File image-janitor-0.2.0.obscpio of Package image-janitor
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- name: Run tests
run: cargo test --verbose
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07070100000004000081A400000000000000000000000168E7A1E500000265000000000000000000000000000000000000001E00000000image-janitor-0.2.0/AGENTS.md# Rules for AGENTS
## Dev environment tips
- When working on a feature, first implement the changes, check it builds and passes existing tests, create a git commit, then create a testcase and do a separate git commit as fixup
- Never try to do git push
## Testing instructions
- From the package root you can just call `cargo test`. The commit should pass all tests before you commit anything
- Fix any test or type errors until the whole suite is green.
- Add or update tests for the code you change, even if nobody asked.
## Commit instruction
- Always run `cargo clippy` and `cargo test` before committing.
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1e7ac75179f18232fe9c285163565a57ef8d3c89254a30685b57d83a38d326c2"
[[package]]
name = "windows_x86_64_gnu"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
[[package]]
name = "windows_x86_64_gnu"
version = "0.53.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c3842cdd74a865a8066ab39c8a7a473c0778a3f29370b5fd6b4b9aa7df4a499"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.53.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0ffa179e2d07eee8ad8f57493436566c7cc30ac536a3379fdf008f47f6bb7ae1"
[[package]]
name = "windows_x86_64_msvc"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
[[package]]
name = "windows_x86_64_msvc"
version = "0.53.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d6bbff5f0aada427a1e5a6da5f1f98158182f26556f345ac9e04d36d0ebed650"
[[package]]
name = "wit-bindgen"
version = "0.46.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
07070100000006000081A400000000000000000000000168E7A1E50000013A000000000000000000000000000000000000001F00000000image-janitor-0.2.0/Cargo.toml[package]
name = "image-janitor"
version = "0.2.0"
edition = "2021"
[dependencies]
anyhow = "1.0"
clap = { version = "4.4", features = ["derive"] }
env_logger = "0.10"
lazy_static = "1.4"
log = "0.4"
regex = "1"
thiserror = "1.0"
walkdir = "2"
glob = "0.3"
path-clean = "1.0.1"
[dev-dependencies]
tempfile = "3"
07070100000007000081A400000000000000000000000168E7A1E5000046AC000000000000000000000000000000000000001C00000000image-janitor-0.2.0/LICENSE GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
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Finally, any free program is threatened constantly by software
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patent must be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and
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GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
under the terms of this General Public License. The "Program", below,
refers to any such program or work, and a "work based on the Program"
means either the Program or any derivative work under copyright law:
that is to say, a work containing the Program or a portion of it,
either verbatim or with modifications and/or translated into another
language. (Hereinafter, translation is included without limitation in
the term "modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
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running the Program is not restricted, and the output from the Program
is covered only if its contents constitute a work based on the
Program (independent of having been made by running the Program).
Whether that is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's
source code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an appropriate
copyright notice and disclaimer of warranty; keep intact all the
notices that refer to this License and to the absence of any warranty;
and give any other recipients of the Program a copy of this License
along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion
of it, thus forming a work based on the Program, and copy and
distribute such modifications or work under the terms of Section 1
above, provided that you also meet all of these conditions:
a) You must cause the modified files to carry prominent notices
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whole or in part contains or is derived from the Program or any
part thereof, to be licensed as a whole at no charge to all third
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c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License. (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works. But when you
distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest
your rights to work written entirely by you; rather, the intent is to
exercise the right to control the distribution of derivative or
collective works based on the Program.
In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
a storage or distribution medium does not bring the other work under
the scope of this License.
3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
1 and 2 above on a medium customarily used for software interchange; or,
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years, to give any third party, for a charge no more than your
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customarily used for software interchange; or,
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.
07070100000008000081A400000000000000000000000168E7A1E500000B27000000000000000000000000000000000000001E00000000image-janitor-0.2.0/README.md# Image Janitor
Image Janitor is a command-line tool for cleaning up unused kernel drivers and firmware from a Linux system. It helps to reduce the size of a Linux image by removing unnecessary files.
## Features
* **Driver Cleanup**: Removes unused kernel drivers.
* **Firmware Cleanup**: Removes unused firmware files.
* **Configuration**: Uses configuration files to determine which files to keep and which to delete.
* **Dependency Resolution**: Resolves dependencies between kernel modules to avoid breaking the system.
## Usage
### Driver Cleanup
To clean up unused kernel drivers, run the following command:
```bash
image-janitor driver-cleanup
```
By default, the command will perform a dry run and only show the files that would be deleted. To actually delete the files, use the `--delete` flag:
```bash
image-janitor driver-cleanup --delete
```
You can also specify the directory containing the kernel modules and the configuration files to use:
```bash
image-janitor driver-cleanup --module-dir /path/to/modules --config-files /path/to/config1,/path/to/config2
```
### Firmware Cleanup
To clean up unused firmware, run the following command:
```bash
image-janitor fw-cleanup
```
By default, the command will perform a dry run and only show the files that would be deleted. To actually delete the files, use the `--delete` flag:
```bash
image-janitor fw-cleanup --delete
```
You can also specify the directory containing the kernel modules and the firmware files:
```bash
image-janitor fw-cleanup --module-dir /path/to/modules --firmware-dir /path/to/firmware
```
## Building from Source
To build the project from source, you will need to have Rust installed. You can then clone the repository and build the project using Cargo:
```bash
git clone https://github.com/fcrozat/image-janitor.git
cd image-janitor
cargo build --release
```
The executable will be located in the `target/release` directory.
## Configuration
The configuration files use a simple format. Each line contains a regular expression that is matched against the path of a file. If the path matches a regular expression, the file is kept. If the path does not match any regular expression, the file is deleted.
You can also specify which files to delete by prefixing the regular expression with a `-`. For example, to delete all files in the `drivers/net` directory, you would add the following line to your configuration file:
```
-drivers/net/.*
```
The configuration files also support architecture-specific sections. For example, to specify that a driver should only be kept on x86_64 systems, you would add the following lines to your configuration file:
```
<x86_64>
drivers/net/ethernet/intel/.*
</x86_64>
```
Configuration files used for [Agama](https://agama-project.github.io/) installer are available in the `data` subdirectory.
07070100000009000041ED00000000000000000000000268E7A1E500000000000000000000000000000000000000000000001900000000image-janitor-0.2.0/data0707010000000A000081A400000000000000000000000168E7A1E500001F36000000000000000000000000000000000000002500000000image-janitor-0.2.0/data/module.list# modules that _might_ be useful during installation
#
# Lines starting with '-' specify modules to drop.
# The lines below are actually perl regexps, so be careful.
#
# If a module is specified both to be added and dropped, it is dropped.
#
# Arch-dependend blocks start with <ARCH> and end with </ARCH> (on separate lines).
#
kernel/drivers/base/
kernel/drivers/block/
-kernel/drivers/block/paride
kernel/drivers/cdrom/cdrom.ko
kernel/drivers/cdrom/viocd.ko
kernel/drivers/i2o/
kernel/drivers/ide/
kernel/drivers/ata/
#-kernel/drivers/ata/pata_
kernel/drivers/firewire/
kernel/drivers/input/
-kernel/drivers/input/joystick
-kernel/drivers/input/gameport
kernel/drivers/iseries/
kernel/drivers/md/
kernel/drivers/mmc/
kernel/drivers/net/
-kernel/drivers/net/aironet
-kernel/drivers/net/appletalk/
-kernel/drivers/net/arcnet/
-kernel/drivers/net/hamradio/
-kernel/drivers/net/irda/
-kernel/drivers/net/ppp/
-kernel/drivers/net/wan/
-kernel/drivers/net/ppp_async.ko
kernel/drivers/net/rionet.ko
kernel/drivers/dca/
kernel/drivers/parport/
-kernel/drivers/parport/parport_serial.ko
kernel/drivers/pnp/
kernel/drivers/scsi/
-kernel/drivers/scsi/ses.ko
kernel/drivers/usb/common/
kernel/drivers/usb/storage/
kernel/drivers/usb/host/
kernel/drivers/usb/core/
kernel/drivers/usb/net/
kernel/drivers/usb/serial/
kernel/drivers/usb/input/usbhid.ko
kernel/drivers/hid/
-kernel/drivers/hid/hid-prodikeys.ko
kernel/drivers/char/nvram.ko
kernel/drivers/char/agp/
kernel/drivers/message/fusion/
kernel/drivers/message/i2o/
kernel/drivers/ps3/
kernel/drivers/mtd/devices/ps3vram.ko
kernel/drivers/mtd/mtd.ko
kernel/drivers/mtd/mtd_blkdevs.ko
kernel/drivers/mtd/mtdblock.ko
kernel/drivers/misc/ioc4.ko
kernel/drivers/ssb/
kernel/drivers/leds/led-class.ko
kernel/drivers/mmc/core/
kernel/fs/9p/
kernel/fs/autofs4/
kernel/fs/binfmt_misc.ko
kernel/fs/btrfs/
kernel/fs/cifs/
kernel/fs/configfs/
kernel/fs/cramfs/
kernel/fs/dmapi/
kernel/fs/efivarfs/
kernel/fs/exfat/
kernel/fs/exofs/libore.ko
kernel/fs/exportfs/
kernel/fs/ext2/
kernel/fs/ext3/
kernel/fs/ext4/
kernel/fs/fat/
kernel/fs/fscache/
kernel/fs/fuse/
kernel/fs/hfs/
kernel/fs/hfsplus/
kernel/fs/hpfs/
kernel/fs/isofs/
kernel/fs/jbd/
kernel/fs/jbd2/
kernel/fs/jfs/
kernel/fs/lockd/
kernel/fs/mbcache.ko
kernel/fs/ncpfs/
kernel/fs/nfs/
kernel/fs/nfs_common/
kernel/fs/nfsd/
kernel/fs/nls/
kernel/fs/ntfs/
kernel/fs/overlayfs/
kernel/fs/smb/
kernel/fs/smbfs/
kernel/fs/squashfs/
kernel/fs/udf/
kernel/fs/vboxsf/
kernel/fs/vfat/
kernel/fs/xfs/
kernel/net/9p/
kernel/net/sunrpc/sunrpc.ko
kernel/net/sunrpc/auth_gss/auth_rpcgss.ko
kernel/net/packet/
kernel/net/rfkill/rfkill.ko
kernel/net/iucv/
kernel/net/ipv6/ipv6.ko
kernel/net/ipv4/gre.ko
kernel/net/ieee80211/
kernel/net/mac80211/mac80211.ko
kernel/net/mac80211/rc80211_simple.ko
kernel/net/wireless/
kernel/net/wimax/
kernel/net/ceph/
kernel/net/802/tr.ko
kernel/net/802/fddi.ko
kernel/net/phonet/phonet.ko
kernel/net/ieee802154/ieee802154.ko
kernel/net/mac802154/
kernel/net/dsa/dsa_core.ko
kernel/net/ipv4/ip_tunnel.ko
kernel/net/dns_resolver/dns_resolver.ko
kernel/net/ipv4/inet_lro.ko
kernel/net/8021q/
kernel/net/802/garp.ko
kernel/net/802/stp.ko
kernel/net/802/mrp.ko
kernel/net/llc/
kernel/net/qrtr
kernel/drivers/power/power_supply.ko
kernel/drivers/firmware/
kernel/drivers/acpi/
kernel/drivers/char/ipmi/
kernel/drivers/video/backlight/
kernel/drivers/mfd/
kernel/drivers/cpufreq/
kernel/arch/x86/kernel/
kernel/drivers/platform/
kernel/drivers/pci/hotplug/pci_hotplug.ko
kernel/sound/soundcore.ko
kernel/sound/core/snd.ko
kernel/drivers/hwmon/hwmon.ko
kernel/drivers/thermal/thermal_sys.ko
# kernel pcmcia
# see data/initrd/initrd_base.list
/pcmcia/
-kernel/drivers/char/pcmcia/synclink_cs.ko
-/sound/pcmcia/
kernel/lib/
kernel/arch/ia64/sn/kernel
kernel/drivers/sn
extra/megaide.ko
kernel/arch/s390/
kernel/drivers/s390/
kernel/crypto/
kernel/arch/[^/]*/crypto/
kernel/drivers/crypto/geode-aes.ko
kernel/drivers/video/vga16fb.ko
kernel/drivers/video/vgastate.ko
kernel/drivers/video/output.ko
kernel/drivers/video/fb_sys_fops.ko
kernel/drivers/video/sysimgblt.ko
kernel/drivers/video/sysfillrect.ko
kernel/drivers/video/syscopyarea.ko
kernel/drivers/video/fbdev/core/
kernel/arch/i386/kernel/msr.ko
kernel/drivers/xen/blkfront/
kernel/drivers/xen/netfront/
kernel/drivers/xen/core/
kernel/drivers/xen/xen-scsiback.ko
kernel/drivers/video/fbdev/xen-fbfront.ko
kernel/drivers/bcma/
kernel/drivers/rtc/
kernel/drivers/mfd/wm8350.ko
kernel/drivers/misc/eeprom/eeprom_93cx6.ko
kernel/drivers/mfd/mc13783-core.ko
kernel/drivers/mfd/mc13xxx-core.ko
kernel/drivers/mfd/mfd-core.ko
kernel/drivers/mfd/sm501.ko
kernel/arch/powerpc/sysdev/bestcomm/bestcomm-fec.ko
kernel/drivers/virtio/
kernel/drivers/usb/wusbcore/
kernel/drivers/uwb/
kernel/drivers/misc/tifm_core.ko
kernel/drivers/usb/misc/ftdi-elan.ko
kernel/drivers/mfd/pcf50633-core.ko
kernel/drivers/connector/
kernel/drivers/uio/uio.ko
kernel/drivers/uio/uio_hv_generic.ko
kernel/drivers/misc/cb710/
kernel/drivers/mfd/ab3100-core.ko
kernel/drivers/gpu/drm/
# kernel/drivers/gpu/drm/drm.ko
kernel/drivers/video/sis/
kernel/drivers/video/fbdev/hyperv_fb.ko
kernel/drivers/misc/lis3lv02d/lis3lv02d.ko
kernel/drivers/misc/cs5535-mfgpt.ko
kernel/drivers/gpio/
kernel/drivers/ptp/
kernel/drivers/pps/pps_core.ko
kernel/drivers/usb/class/cdc-wdm.ko
kernel/drivers/hv/
kernel/drivers/staging/hv/
kernel/drivers/staging/rtl.*
kernel/drivers/usb/misc/ezusb.ko
kernel/drivers/media/rc/rc-core.ko
kernel/sound/ac97_bus.ko
kernel/drivers/target/target_core_mod.ko
kernel/drivers/leds/led-class.ko
kernel/drivers/rapidio/rapidio.ko
kernel/drivers/ntb/ntb.ko
kernel/drivers/target/iscsi/iscsi_target_mod.ko
kernel/drivers/infiniband/
kernel/drivers/vhost/vringh.ko
kernel/drivers/of/
kernel/drivers/tty/serial/jsm/
kernel/drivers/i2c/
kernel/drivers/nvme/
kernel/drivers/nvdimm/
kernel/drivers/usb/dwc2/
kernel/drivers/usb/dwc3/
kernel/drivers/usb/core/ledtrig-usbport.ko
kernel/drivers/phy/
kernel/drivers/regulator/
kernel/drivers/pci/host/
kernel/drivers/pci/controller/
kernel/drivers/mailbox/
kernel/drivers/pinctrl/
kernel/drivers/watchdog/
kernel/drivers/usb/typec/
kernel/drivers/usb/chipidea/
kernel/drivers/usb/phy/
kernel/drivers/usb/isp1760/
kernel/drivers/dma/bcm2835-dma.ko
kernel/drivers/dma/tegra20-apb-dma.ko
kernel/drivers/virt/vboxguest/
# RPi4
kernel/drivers/reset/reset-raspberrypi.ko
kernel/drivers/clk/bcm/clk-raspberrypi.ko
kernel/drivers/cpufreq/raspberrypi-cpufreq.ko
kernel/drivers/cpufreq/cpufreq-dt.ko
kernel/drivers/mmc/host/sdhci-iproc.ko
kernel/drivers/gpio/gpio-raspberrypi-exp.ko
kernel/drivers/net/mdio/mdio-bcm-unimac.ko
kernel/drivers/reset/reset-rzg2l-usbphy-ctrl.ko
# Lenovo X13s (aarch64)
kernel/drivers/clk/qcom/clk-rpmh.ko
kernel/drivers/clk/qcom/dispcc-sc8280xp.ko
kernel/drivers/clk/qcom/gcc-sc8280xp.ko
kernel/drivers/clk/qcom/gpucc-sc8280xp.ko
kernel/drivers/hwspinlock/qcom_hwspinlock.ko
kernel/drivers/interconnect/qcom/qnoc-sc8280xp.ko
kernel/drivers/leds/rgb/leds-qcom-lpg.ko
kernel/drivers/nvmem/nvmem_qcom-spmi-sdam.ko
kernel/drivers/remoteproc/qcom_q6v5.ko
kernel/drivers/remoteproc/qcom_q6v5_pas.ko
kernel/drivers/soc/qcom/pmic_glink.ko
kernel/drivers/soc/qcom/pmic_glink_altmode.ko
kernel/drivers/soc/qcom/smp2p.ko
kernel/drivers/spmi/spmi-pmic-arb.ko
kernel/drivers/spmi/spmi-mtk-pmif.ko
# Qcom rb3gen2
kernel/drivers/interconnect/qcom/qnoc-sc7280.ko
kernel/drivers/ufs/host/ufs-qcom.ko
kernel/drivers/soc/mediatek/mtk-pmic-wrap.ko
kernel/drivers/power/supply/mt6360_charger.ko
kernel/drivers/nvmem/nvmem_mtk-efuse.ko
kernel/drivers/clk/
kernel/drivers/spi/
kernel/drivers/dma/pl330.ko
# kmps
updates/
# ofed-kmp
-updates/drivers/infiniband/
-updates/net/rds/
-updates/net/sunrpc/
-updates/fs/lockd/
-updates/fs/nfs*
<ppc64le>
# for the source of this module list, see bsc#1213879 comment 35
-kernel/drivers/net/wireless/
-kernel/net/ieee80211/
-kernel/net/mac80211/
-kernel/net/wireless/
-kernel/net/wimax/
-kernel/drivers/gpu/
-kernel/drivers/video/
</ppc64le>
0707010000000B000081A400000000000000000000000168E7A1E5000001AE000000000000000000000000000000000000002B00000000image-janitor-0.2.0/data/module.list.extra# This is an extension of the module.list file specially for Agama. It is loaded
# in addition to the module.list file to allow extra overrides or hot fixes
# without touching the original file. The original file should not be touched to
# allow easy updates from the installation-images repository.
# keep the nvmem drivers (https://bugzilla.suse.com/show_bug.cgi?id=1243350)
kernel/drivers/nvmem
kernel/drivers/dma/fsl-edma.ko
0707010000000C000041ED00000000000000000000000268E7A1E500000000000000000000000000000000000000000000001800000000image-janitor-0.2.0/src0707010000000D000081A400000000000000000000000168E7A1E50000034E000000000000000000000000000000000000002300000000image-janitor-0.2.0/src/command.rsuse crate::error::JanitorError;
use std::process::Command;
pub trait CommandRunner {
fn run(&self, command: &str, args: &[&str]) -> Result<String, JanitorError>;
}
pub struct SystemCommandRunner;
impl CommandRunner for SystemCommandRunner {
fn run(&self, command: &str, args: &[&str]) -> Result<String, JanitorError> {
let output = Command::new(command)
.args(args)
.output()
.map_err(|e| JanitorError::Command(format!("Failed to execute '{}': {}", command, e)))?;
if !output.status.success() {
return Err(JanitorError::Command(format!(
"'{}' command failed: {}",
command,
String::from_utf8_lossy(&output.stderr)
)));
}
Ok(String::from_utf8(output.stdout).unwrap().trim().to_string())
}
}
0707010000000E000081A400000000000000000000000168E7A1E500001368000000000000000000000000000000000000002200000000image-janitor-0.2.0/src/config.rsuse crate::command::CommandRunner;
use crate::error::JanitorError;
use log::{debug, info};
use regex::Regex;
use std::fs;
/// Reads the configuration files and returns two lists of regexes: one for keeping and one for deleting.
pub fn read_config(
paths: &[&str],
runner: &dyn CommandRunner,
) -> Result<(Vec<Regex>, Vec<Regex>), JanitorError> {
let mut lines = Vec::<String>::new();
for path in paths {
info!("Reading config file: {}", path);
let content = fs::read_to_string(path)
.map_err(|e| JanitorError::ConfigRead(path.to_string(), e))?;
lines.extend(content.lines().map(String::from));
}
let lines = lines
.into_iter()
.filter(|l| !l.is_empty() && !l.starts_with('#'))
.collect();
let arch = get_arch(runner)?;
debug!("Current architecture: {}", arch);
let filtered_lines = arch_filter(lines, &arch);
let (delete_lines, keep_lines): (Vec<_>, Vec<_>) = filtered_lines
.into_iter()
.partition(|l| l.starts_with('-'));
let to_keep = keep_lines
.into_iter()
.map(|l| Regex::new(&l).map_err(JanitorError::Regex))
.collect::<Result<Vec<_>, _>>()?;
let to_delete = delete_lines
.into_iter()
.map(|l| Regex::new(l.strip_prefix('-').unwrap()).map_err(JanitorError::Regex))
.collect::<Result<Vec<_>, _>>()?;
Ok((to_keep, to_delete))
}
fn get_arch(runner: &dyn CommandRunner) -> Result<String, JanitorError> {
runner.run("arch", &[])
}
fn arch_filter(lines: Vec<String>, arch: &str) -> Vec<String> {
let mut filtered = Vec::new();
let mut skipping = false;
let mut arch_tag: Option<String> = None;
let start_tag_re = Regex::new(r"^\s*<(\w+)\s*>\s*$").unwrap();
let end_tag_re = Regex::new(r"^\s*</\w+\s*>\s*$").unwrap();
for line in lines {
if let Some(captures) = start_tag_re.captures(&line) {
let tag = captures.get(1).unwrap().as_str().to_string();
skipping = tag != arch;
arch_tag = Some(tag);
continue;
}
if end_tag_re.is_match(&line) {
skipping = false;
arch_tag = None;
continue;
}
if skipping {
debug!(
"Ignoring {} specific line: {}",
arch_tag.as_deref().unwrap_or(""),
line
);
} else {
filtered.push(line);
}
}
filtered
}
#[cfg(test)]
mod tests {
use super::*;
use crate::command::CommandRunner;
use crate::error::JanitorError;
use std::collections::HashMap;
struct MockCommandRunner {
commands: HashMap<String, String>,
}
impl CommandRunner for MockCommandRunner {
fn run(&self, command: &str, _args: &[&str]) -> Result<String, JanitorError> {
self.commands
.get(command)
.cloned()
.ok_or_else(|| JanitorError::Command(format!("Command not found: {}", command)))
}
}
#[test]
fn test_arch_filter() {
let lines = vec![
"<x86_64>".to_string(),
"intel_driver".to_string(),
"</x86_64>".to_string(),
"<aarch64>".to_string(),
"arm_driver".to_string(),
"</aarch64>".to_string(),
"<ppc64le>".to_string(),
"power_driver".to_string(),
"</ppc64le>".to_string(),
"<s390x>".to_string(),
"ibm_driver".to_string(),
"</s390x>".to_string(),
"common_driver".to_string(),
];
let x86_64_lines = arch_filter(lines.clone(), "x86_64");
assert_eq!(x86_64_lines, vec!["intel_driver", "common_driver"]);
let aarch64_lines = arch_filter(lines.clone(), "aarch64");
assert_eq!(aarch64_lines, vec!["arm_driver", "common_driver"]);
let ppc64le_lines = arch_filter(lines.clone(), "ppc64le");
assert_eq!(ppc64le_lines, vec!["power_driver", "common_driver"]);
let s390x_lines = arch_filter(lines.clone(), "s390x");
assert_eq!(s390x_lines, vec!["ibm_driver", "common_driver"]);
}
#[test]
fn test_read_config_with_arch() {
let mut commands = HashMap::new();
commands.insert("arch".to_string(), "x86_64".to_string());
let runner = MockCommandRunner { commands };
let temp_dir = tempfile::tempdir().unwrap();
let config_path = temp_dir.path().join("test.conf");
fs::write(
&config_path,
"<x86_64>\n-delete_me\n</x86_64>\n<aarch64>\n-not_me\n</aarch64>\nkeep_me",
)
.unwrap();
let (to_keep, to_delete) =
read_config(&[config_path.to_str().unwrap()], &runner).unwrap();
assert_eq!(to_keep.len(), 1);
assert_eq!(to_delete.len(), 1);
assert!(to_keep[0].is_match("keep_me"));
assert!(to_delete[0].is_match("delete_me"));
}
}
0707010000000F000081A400000000000000000000000168E7A1E50000196D000000000000000000000000000000000000002200000000image-janitor-0.2.0/src/driver.rsuse crate::command::CommandRunner;
use crate::config;
use crate::error::JanitorError;
use crate::util;
use log::{debug, info, warn};
use std::collections::{HashMap, HashSet};
use std::fs;
use std::path::{Path, PathBuf};
use walkdir::WalkDir;
#[derive(Debug, Clone, PartialEq, Eq, Hash)]
struct Driver {
name: String,
path: PathBuf,
deps: Vec<String>,
}
impl Driver {
fn from_file(path: &Path, runner: &dyn CommandRunner) -> Result<Self, JanitorError> {
let deps_str = match runner.run("/usr/sbin/modinfo", &["-F", "depends", path.to_str().unwrap()]) {
Ok(s) => s,
Err(e) => {
warn!("modinfo for {} failed: {}", path.display(), e);
String::new()
}
};
let deps = deps_str
.trim()
.split(',')
.filter(|s| !s.is_empty())
.map(String::from)
.collect();
let name = path
.file_name()
.unwrap()
.to_str()
.unwrap()
.split('.')
.next()
.unwrap()
.to_string();
Ok(Driver { name, path: path.to_path_buf(), deps })
}
}
pub fn cleanup_drivers(
config_paths: &[&str],
module_dir: &Path,
delete: bool,
runner: &dyn CommandRunner,
) -> Result<(), JanitorError> {
let (to_keep_re, to_delete_re) = config::read_config(config_paths, runner)?;
let kernel_dir = util::find_kernel_dir(module_dir)?;
info!("Scanning kernel modules in {}", kernel_dir.display());
let mut driver_map = HashMap::new();
for entry in WalkDir::new(&kernel_dir) {
let entry = entry?;
let path = entry.path();
if path.is_file()
&& (
path.extension().is_some_and(|e| e == "ko") ||
path.to_str().is_some_and(|s| s.ends_with(".ko.xz")) ||
path.to_str().is_some_and(|s| s.ends_with(".ko.zst"))
)
{
let driver = Driver::from_file(path, runner)?;
driver_map.insert(driver.name.clone(), driver);
}
}
let mut to_keep: HashSet<Driver> = HashSet::new();
for driver in driver_map.values() {
let kernel_path = driver.path.strip_prefix(&kernel_dir).unwrap().to_str()
.ok_or_else(|| JanitorError::InvalidPath(driver.path.clone()))?;
if to_delete_re.iter().any(|r| r.is_match(kernel_path)) {
debug!("Marked for deletion by config: {}", driver.path.display());
} else if to_keep_re.iter().any(|r| r.is_match(kernel_path)) {
debug!("Marked for keeping by config: {}", driver.path.display());
to_keep.insert(driver.clone());
}
}
info!("Checking driver dependencies...");
let mut worklist: Vec<Driver> = to_keep.iter().cloned().collect();
while let Some(driver) = worklist.pop() {
for dep_name in &driver.deps {
if let Some(dep_driver) = driver_map.get(dep_name) {
// If the dependency was not already in to_keep, add it and
// put it on the worklist to process its dependencies.
if to_keep.insert(dep_driver.clone()) {
info!("Keep dependant driver {}", dep_driver.path.display());
worklist.push(dep_driver.clone());
}
}
}
}
let to_delete: Vec<_> = driver_map.values()
.filter(|d| !to_keep.contains(d))
.collect();
info!("Found {} drivers to delete", to_delete.len());
debug!("Drivers to delete: {:?}", to_delete.iter().map(|d| &d.path).collect::<Vec<_>>());
if delete {
for driver in to_delete {
info!("Deleting {}", driver.path.display());
fs::remove_file(&driver.path)?;
}
}
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
use crate::command::CommandRunner;
use std::collections::HashMap;
use tempfile::tempdir;
struct MockCommandRunner {
responses: HashMap<String, String>,
}
impl CommandRunner for MockCommandRunner {
fn run(&self, command: &str, args: &[&str]) -> Result<String, JanitorError> {
let key = if args.is_empty() {
command.to_string()
} else {
format!("{} {}", command, args.join(" "))
};
self.responses.get(&key).cloned().ok_or(JanitorError::Command(format!("Not mocked: {}", key)))
}
}
#[test]
fn test_cleanup_drivers() {
let temp_dir = tempdir().unwrap();
let module_dir = temp_dir.path();
let kernel_dir = module_dir.join("6.1.0-test");
fs::create_dir_all(&kernel_dir).unwrap();
let mod_a_path = kernel_dir.join("a.ko");
let mod_b_path = kernel_dir.join("b.ko");
let mod_c_path = kernel_dir.join("c.ko");
let mod_d_path = kernel_dir.join("d.ko");
fs::write(&mod_a_path, "").unwrap();
fs::write(&mod_b_path, "").unwrap();
fs::write(&mod_c_path, "").unwrap();
fs::write(&mod_d_path, "").unwrap();
let config_path = temp_dir.path().join("test.conf");
fs::write(&config_path, "a.ko").unwrap();
let mut responses = HashMap::new();
responses.insert(
format!("/usr/sbin/modinfo -F depends {}", mod_a_path.display()),
"b".to_string(),
);
responses.insert(
format!("/usr/sbin/modinfo -F depends {}", mod_b_path.display()),
"c".to_string(),
);
responses.insert(
format!("/usr/sbin/modinfo -F depends {}", mod_c_path.display()),
"".to_string(),
);
responses.insert(
format!("/usr/sbin/modinfo -F depends {}", mod_d_path.display()),
"".to_string(),
);
responses.insert("arch".to_string(), "x86_64".to_string());
let runner = MockCommandRunner { responses };
// Test dry run
cleanup_drivers(&[config_path.to_str().unwrap()], module_dir, false, &runner).unwrap();
assert!(mod_a_path.exists());
assert!(mod_b_path.exists());
assert!(mod_c_path.exists());
assert!(mod_d_path.exists());
// Test delete
cleanup_drivers(&[config_path.to_str().unwrap()], module_dir, true, &runner).unwrap();
assert!(mod_a_path.exists());
assert!(mod_b_path.exists());
assert!(mod_c_path.exists());
assert!(!mod_d_path.exists());
}
}
07070100000010000081A400000000000000000000000168E7A1E500000265000000000000000000000000000000000000002100000000image-janitor-0.2.0/src/error.rsuse std::path::PathBuf;
use thiserror::Error;
#[derive(Error, Debug)]
pub enum JanitorError {
#[error("I/O error")]
Io(#[from] std::io::Error),
#[error("Regex error")]
Regex(#[from] regex::Error),
#[error("Walkdir error")]
Walkdir(#[from] walkdir::Error),
#[error("Command failed: {0}")]
Command(String),
#[error("No kernel modules directory found in {0}")]
NoKernelDir(PathBuf),
#[error("Path does not have a string representation: {0}")]
InvalidPath(PathBuf),
#[error("Could not read config file '{0}': {1}")]
ConfigRead(String, std::io::Error),
}
07070100000011000081A400000000000000000000000168E7A1E500004CD0000000000000000000000000000000000000002400000000image-janitor-0.2.0/src/firmware.rsuse crate::command::CommandRunner;
use crate::error::JanitorError;
use crate::util;
use log::{debug, info};
use path_clean::PathClean;
use std::collections::HashSet;
use std::fs;
use std::path::{Path, PathBuf};
use walkdir::WalkDir;
fn find_kernel_modules(kernel_dir: &Path) -> Result<Vec<PathBuf>, JanitorError> {
let mut modules = Vec::new();
for entry in WalkDir::new(kernel_dir) {
let entry = entry?;
let path = entry.path();
if path.is_file()
&& (path.extension().is_some_and(|e| e == "ko")
|| path.to_str().is_some_and(|s| s.ends_with(".ko.xz"))
|| path.to_str().is_some_and(|s| s.ends_with(".ko.zst")))
{
modules.push(path.to_path_buf());
}
}
Ok(modules)
}
fn get_firmware_deps_for_module(
module_path: &Path,
runner: &dyn CommandRunner,
) -> Result<Vec<String>, JanitorError> {
let firmware_list = runner.run(
"/usr/sbin/modinfo",
&["-F", "firmware", module_path.to_str().unwrap()],
)?;
Ok(firmware_list.lines().map(String::from).collect())
}
fn find_firmware_files_from_name(
fw_name: &str,
fw_dir: &Path,
) -> Result<Vec<PathBuf>, JanitorError> {
let pattern = fw_dir.join(fw_name).to_string_lossy().to_string();
if !fw_name.contains('*') {
let paths_to_check = vec![
PathBuf::from(&pattern),
PathBuf::from(format!("{}.xz", pattern)),
PathBuf::from(format!("{}.zst", pattern)),
];
Ok(paths_to_check
.into_iter()
.filter(|p| p.exists())
.collect())
} else {
let mut results = HashSet::new();
for ext in ["", ".xz", ".zst"] {
let pattern_with_ext = format!("{}{}", pattern, ext);
results.extend(
glob::glob(&pattern_with_ext)
.expect("Failed to read glob pattern")
.filter_map(Result::ok),
);
}
Ok(results.into_iter().collect())
}
}
fn get_required_firmware(
kernel_dir: &Path,
fw_dir: &Path,
runner: &dyn CommandRunner,
) -> Result<HashSet<PathBuf>, JanitorError> {
let mut required = HashSet::new();
let kernel_modules = find_kernel_modules(kernel_dir)?;
for module_path in kernel_modules {
let firmware_names = get_firmware_deps_for_module(&module_path, runner)?;
for fw_name in firmware_names {
let firmware_files = find_firmware_files_from_name(&fw_name, fw_dir)?;
for fw_file in firmware_files {
let symlinks = resolve_symlinks(&fw_file, fw_dir)?;
required.extend(symlinks);
}
}
}
Ok(required)
}
fn resolve_symlinks(path: &Path, base_dir: &Path) -> Result<Vec<PathBuf>, JanitorError> {
let mut paths_to_keep = vec![path.to_path_buf()];
let mut current_path = path.to_path_buf();
// Limit the number of symlink hops to avoid infinite loops.
for _ in 0..10 {
if !fs::symlink_metadata(¤t_path)?.file_type().is_symlink() {
// Not a symlink, so we're at the end of the chain.
break;
}
let target = fs::read_link(¤t_path)?;
// The target of a symlink can be a relative path. We need to resolve it
// relative to the directory containing the symlink.
let parent_dir = current_path.parent().unwrap_or_else(|| Path::new(""));
current_path = parent_dir.join(target).clean();
// If the resolved path is not within the base directory, we stop.
if !current_path.starts_with(base_dir) {
debug!(
"Symlink target {} is outside the firmware directory.",
current_path.display()
);
return Ok(paths_to_keep);
}
// If the path doesn't exist, it's a broken link.
if !current_path.exists() {
debug!("Broken symlink found: {}", current_path.display());
return Ok(paths_to_keep);
}
debug!(
"Adding symlink target {} -> {}",
path.display(),
current_path.display()
);
paths_to_keep.push(current_path.clone());
}
Ok(paths_to_keep)
}
fn remove_unused_files(
fw_dir: &Path,
required_fw: &HashSet<PathBuf>,
delete: bool,
) -> Result<u64, JanitorError> {
info!("Scanning for unused firmware files...");
let mut unused_size = 0;
for entry in WalkDir::new(fw_dir).into_iter().filter_map(Result::ok) {
let path = entry.path();
if path.is_file() {
let relative_path = path.strip_prefix(fw_dir).unwrap().to_path_buf();
if !required_fw.contains(&relative_path) {
unused_size += fs::metadata(path)?.len();
if delete {
info!("Deleting unused firmware {}", path.display());
fs::remove_file(path)?;
} else {
debug!("Found unused firmware {}", path.display());
}
}
}
}
Ok(unused_size)
}
fn remove_dangling_symlinks(fw_dir: &Path) -> Result<(), JanitorError> {
info!("Removing dangling symlinks...");
for entry in WalkDir::new(fw_dir).into_iter().filter_map(Result::ok) {
let path = entry.path();
if path.is_symlink() {
// fs::metadata follows symlinks, so it will return an error for a dangling one.
if fs::metadata(path).is_err() {
info!("Deleting dangling symlink {}", path.display());
fs::remove_file(path)?;
}
}
}
Ok(())
}
fn remove_empty_directories(fw_dir: &Path) -> Result<(), JanitorError> {
info!("Removing empty directories...");
// We need to walk from the deepest directories up to ensure parent directories become empty.
let mut dirs_to_check: Vec<PathBuf> = WalkDir::new(fw_dir)
.into_iter()
.filter_map(Result::ok)
.filter(|e| e.path().is_dir())
.map(|e| e.path().to_path_buf())
.collect();
// Sort by depth, deepest first.
dirs_to_check.sort_by_key(|p| std::cmp::Reverse(p.components().count()));
for dir_path in dirs_to_check {
// Only remove if it's empty and not the root firmware directory itself.
if dir_path != fw_dir && fs::read_dir(&dir_path)?.next().is_none() {
info!("Deleting empty directory {}", dir_path.display());
fs::remove_dir(dir_path)?;
}
}
Ok(())
}
pub fn cleanup_firmware(
module_dir: &Path,
fw_dir: &Path,
delete: bool,
runner: &dyn CommandRunner,
) -> Result<(), JanitorError> {
let kernel_dir = util::find_kernel_dir(module_dir)?;
info!("Scanning kernel modules in {}", kernel_dir.display());
let required_fw_abs = get_required_firmware(&kernel_dir, fw_dir, runner)?;
let required_fw: HashSet<_> = required_fw_abs.into_iter()
.map(|p| p.strip_prefix(fw_dir).unwrap().to_path_buf())
.collect();
let unused_size = remove_unused_files(fw_dir, &required_fw, delete)?;
if delete {
remove_dangling_symlinks(fw_dir)?;
remove_empty_directories(fw_dir)?;
}
info!("Potential savings: {} ({} MiB)", unused_size, unused_size >> 20);
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
use crate::command::CommandRunner;
use std::collections::HashMap;
use std::os::unix::fs::symlink;
use tempfile::tempdir;
struct MockCommandRunner {
responses: HashMap<String, String>,
}
impl CommandRunner for MockCommandRunner {
fn run(&self, command: &str, args: &[&str]) -> Result<String, JanitorError> {
let key = if args.is_empty() {
command.to_string()
} else {
format!("{} {}", command, args.join(" "))
};
self.responses.get(&key).cloned().ok_or(JanitorError::Command(format!("Not mocked: {}", key)))
}
}
#[test]
fn test_get_required_firmware() {
let temp_dir = tempdir().unwrap();
let kernel_dir = temp_dir.path().join("lib/modules/6.1.0-test");
fs::create_dir_all(&kernel_dir).unwrap();
let fw_dir = temp_dir.path().join("lib/firmware");
fs::create_dir_all(&fw_dir).unwrap();
let mod1_path = kernel_dir.join("mod1.ko");
fs::write(&mod1_path, "").unwrap();
let fw1_path = fw_dir.join("fw1.bin");
fs::write(&fw1_path, "").unwrap();
let mut responses = HashMap::new();
responses.insert(
format!("/usr/sbin/modinfo -F firmware {}", mod1_path.display()),
"fw1.bin".to_string(),
);
let runner = MockCommandRunner { responses };
let required_fw = get_required_firmware(&kernel_dir, &fw_dir, &runner).unwrap();
assert_eq!(required_fw.len(), 1);
assert!(required_fw.contains(&fw1_path));
}
#[test]
fn test_get_required_firmware_with_wildcard() {
let temp_dir = tempdir().unwrap();
let kernel_dir = temp_dir.path().join("lib/modules/6.1.0-test");
fs::create_dir_all(&kernel_dir).unwrap();
let fw_dir = temp_dir.path().join("lib/firmware");
fs::create_dir_all(&fw_dir).unwrap();
let mod1_path = kernel_dir.join("mod1.ko");
fs::write(&mod1_path, "").unwrap();
let fw_file1 = fw_dir.join("brcm/brcmfmac43430-sdio.bin");
let fw_file2 = fw_dir.join("brcm/brcmfmac43430-sdio.txt");
fs::create_dir_all(fw_dir.join("brcm")).unwrap();
fs::write(&fw_file1, "").unwrap();
fs::write(&fw_file2, "").unwrap();
let mut responses = HashMap::new();
responses.insert(
format!("/usr/sbin/modinfo -F firmware {}", mod1_path.display()),
"brcm/brcmfmac*-sdio.bin".to_string(),
);
let runner = MockCommandRunner { responses };
let required_fw = get_required_firmware(&kernel_dir, &fw_dir, &runner).unwrap();
assert_eq!(required_fw.len(), 1);
assert!(required_fw.contains(&fw_file1));
assert!(!required_fw.contains(&fw_file2));
}
#[test]
fn test_resolve_symlinks_single_file() {
let temp_dir = tempdir().unwrap();
let file_path = temp_dir.path().join("file.bin");
fs::write(&file_path, "data").unwrap();
let resolved = resolve_symlinks(&file_path, temp_dir.path()).unwrap();
assert_eq!(resolved, vec![file_path]);
}
#[test]
fn test_resolve_symlinks_linear_chain() {
let temp_dir = tempdir().unwrap();
let base_dir = temp_dir.path();
let file_path = base_dir.join("file.bin");
let link1_path = base_dir.join("link1");
let link2_path = base_dir.join("link2");
let link3_path = base_dir.join("link3");
fs::write(&file_path, "data").unwrap();
symlink(&file_path, &link1_path).unwrap();
symlink(&link1_path, &link2_path).unwrap();
symlink(&link2_path, &link3_path).unwrap();
let resolved = resolve_symlinks(&link3_path, base_dir).unwrap();
// The new implementation returns the starting link and all intermediate links/targets.
assert_eq!(resolved.len(), 4);
assert!(resolved.contains(&file_path));
assert!(resolved.contains(&link1_path));
assert!(resolved.contains(&link2_path));
assert!(resolved.contains(&link3_path));
}
#[test]
fn test_resolve_symlinks_broken_link() {
let temp_dir = tempdir().unwrap();
let base_dir = temp_dir.path();
let link_path = base_dir.join("link");
symlink("non_existent_file", &link_path).unwrap();
let resolved = resolve_symlinks(&link_path, base_dir).unwrap();
// fs::canonicalize fails on broken links, so only the original path is returned.
assert_eq!(resolved, vec![link_path]);
}
#[test]
fn test_resolve_symlinks_cycle() {
let temp_dir = tempdir().unwrap();
let base_dir = temp_dir.path();
let link1_path = base_dir.join("link1");
let link2_path = base_dir.join("link2");
symlink(&link2_path, &link1_path).unwrap();
symlink(&link1_path, &link2_path).unwrap();
let resolved = resolve_symlinks(&link1_path, base_dir).unwrap();
// fs::canonicalize fails on link cycles, so only the original path is returned.
assert_eq!(resolved.len(), 1);
assert!(resolved.contains(&link1_path));
}
#[test]
fn test_remove_unused_files() {
let temp_dir = tempdir().unwrap();
let fw_dir = temp_dir.path();
let required_file_path = PathBuf::from("required.bin");
let unused_file_path = PathBuf::from("unused.bin");
fs::write(fw_dir.join(&required_file_path), "required_data").unwrap();
fs::write(fw_dir.join(&unused_file_path), "unused_data").unwrap();
let mut required_fw = HashSet::new();
required_fw.insert(required_file_path.clone());
// Test without deleting
let unused_size = remove_unused_files(fw_dir, &required_fw, false).unwrap();
assert_eq!(unused_size, 11); // "unused_data".len()
assert!(fw_dir.join(&unused_file_path).exists());
assert!(fw_dir.join(&required_file_path).exists());
// Test with deleting
let unused_size_del = remove_unused_files(fw_dir, &required_fw, true).unwrap();
assert_eq!(unused_size_del, 11);
assert!(!fw_dir.join(&unused_file_path).exists());
assert!(fw_dir.join(&required_file_path).exists());
}
#[test]
fn test_remove_dangling_symlinks() {
let temp_dir = tempdir().unwrap();
let fw_dir = temp_dir.path();
let target_file = fw_dir.join("target.bin");
let valid_symlink = fw_dir.join("valid_link");
let dangling_symlink = fw_dir.join("dangling_link");
fs::write(&target_file, "data").unwrap();
symlink(&target_file, &valid_symlink).unwrap();
symlink("non_existent_file", &dangling_symlink).unwrap();
assert!(dangling_symlink.is_symlink());
remove_dangling_symlinks(fw_dir).unwrap();
assert!(valid_symlink.exists());
assert!(!dangling_symlink.exists());
assert!(!dangling_symlink.is_symlink()); // Should be completely gone
}
#[test]
fn test_remove_empty_directories() {
let temp_dir = tempdir().unwrap();
let fw_dir = temp_dir.path();
// Create a structure of directories
let dir_a = fw_dir.join("a");
let dir_b = dir_a.join("b"); // Will be empty
let dir_c = dir_a.join("c");
let dir_d = fw_dir.join("d"); // Will be empty
fs::create_dir_all(&dir_b).unwrap();
fs::create_dir_all(&dir_c).unwrap();
fs::create_dir_all(&dir_d).unwrap();
// Add a file to make dir_c non-empty
fs::write(dir_c.join("file.txt"), "data").unwrap();
assert!(dir_b.exists());
assert!(dir_d.exists());
remove_empty_directories(fw_dir).unwrap();
// Assert empty directories are removed
assert!(!dir_b.exists());
assert!(!dir_d.exists());
// Assert non-empty directories (and the root) remain
assert!(dir_a.exists());
assert!(dir_c.exists());
assert!(fw_dir.exists());
// Run again to ensure it handles the case where 'a' is now empty
fs::remove_dir_all(&dir_c).unwrap();
remove_empty_directories(fw_dir).unwrap();
assert!(!dir_a.exists());
}
#[test]
fn test_find_kernel_modules() {
let temp_dir = tempdir().unwrap();
let kernel_dir = temp_dir.path();
let mod1 = kernel_dir.join("module1.ko");
let mod2 = kernel_dir.join("module2.ko.xz");
let mod3 = kernel_dir.join("module3.ko.zst");
let not_a_mod = kernel_dir.join("not_a_module.txt");
let nested_dir = kernel_dir.join("nested");
fs::create_dir(&nested_dir).unwrap();
let nested_mod = nested_dir.join("nested.ko");
fs::write(&mod1, "").unwrap();
fs::write(&mod2, "").unwrap();
fs::write(&mod3, "").unwrap();
fs::write(¬_a_mod, "").unwrap();
fs::write(&nested_mod, "").unwrap();
let mut found = find_kernel_modules(kernel_dir).unwrap();
found.sort();
let mut expected = vec![mod1, mod2, mod3, nested_mod];
expected.sort();
assert_eq!(found, expected);
}
#[test]
fn test_find_firmware_files_from_name() {
let temp_dir = tempdir().unwrap();
let fw_dir = temp_dir.path();
let fw1 = fw_dir.join("iwlwifi-1.bin");
let fw2_xz = fw_dir.join("iwlwifi-2.bin.xz");
let fw3_zst = fw_dir.join("iwlwifi-3.bin.zst");
let other_file = fw_dir.join("other.txt");
fs::write(&fw1, "").unwrap();
fs::write(&fw2_xz, "").unwrap();
fs::write(&fw3_zst, "").unwrap();
fs::write(&other_file, "").unwrap();
// Test exact name matching with compressed variants
let mut found1 = find_firmware_files_from_name("iwlwifi-1.bin", fw_dir).unwrap();
found1.sort();
assert_eq!(found1, vec![fw1.clone()]);
let mut found2 = find_firmware_files_from_name("iwlwifi-2.bin", fw_dir).unwrap();
found2.sort();
assert_eq!(found2, vec![fw2_xz.clone()]);
// Test glob matching
let mut found_glob = find_firmware_files_from_name("iwlwifi-*", fw_dir).unwrap();
found_glob.sort();
let mut expected_glob = vec![fw1.clone(), fw2_xz.clone(), fw3_zst.clone()];
expected_glob.sort();
assert_eq!(found_glob, expected_glob);
}
#[test]
fn test_get_required_firmware_with_wildcard_and_compression() {
let temp_dir = tempdir().unwrap();
let kernel_dir = temp_dir.path().join("lib/modules/6.1.0-test");
fs::create_dir_all(&kernel_dir).unwrap();
let fw_dir = temp_dir.path().join("lib/firmware");
fs::create_dir_all(&fw_dir).unwrap();
let mod1_path = kernel_dir.join("mod1.ko");
fs::write(&mod1_path, "").unwrap();
let fw_file1 = fw_dir.join("brcm/brcmfmac43430-sdio.bin.xz");
let fw_file2 = fw_dir.join("brcm/brcmfmac43430-sdio.txt");
fs::create_dir_all(fw_dir.join("brcm")).unwrap();
fs::write(&fw_file1, "").unwrap();
fs::write(&fw_file2, "").unwrap();
let mut responses = HashMap::new();
responses.insert(
format!("/usr/sbin/modinfo -F firmware {}", mod1_path.display()),
"brcm/brcmfmac*-sdio.bin".to_string(),
);
let runner = MockCommandRunner { responses };
let required_fw = get_required_firmware(&kernel_dir, &fw_dir, &runner).unwrap();
assert_eq!(required_fw.len(), 1);
assert!(required_fw.contains(&fw_file1));
assert!(!required_fw.contains(&fw_file2));
}
#[test]
fn test_resolve_symlinks_relative() {
let temp_dir = tempdir().unwrap();
let base_dir = temp_dir.path();
let file_path = base_dir.join("file.bin");
let dir1 = base_dir.join("dir1");
let dir2 = dir1.join("dir2");
let link_path = dir2.join("link");
fs::create_dir_all(&dir2).unwrap();
fs::write(&file_path, "data").unwrap();
symlink("../../file.bin", &link_path).unwrap();
let resolved = resolve_symlinks(&link_path, base_dir).unwrap();
assert_eq!(resolved.len(), 2);
assert!(resolved.contains(&file_path));
assert!(resolved.contains(&link_path));
}
}
07070100000012000081A400000000000000000000000168E7A1E500000060000000000000000000000000000000000000001F00000000image-janitor-0.2.0/src/lib.rspub mod config;
pub mod driver;
pub mod error;
pub mod firmware;
pub mod util;
pub mod command;
07070100000013000081A400000000000000000000000168E7A1E500000997000000000000000000000000000000000000002000000000image-janitor-0.2.0/src/main.rsuse anyhow::Result;
use clap::Parser;
use env_logger::Env;
use image_janitor::{command::SystemCommandRunner, driver, firmware};
use log::info;
use std::path::PathBuf;
#[derive(Parser)]
#[command(author, version, about, long_about = None)]
struct Cli {
#[command(subcommand)]
command: Commands,
/// Enable verbose logging.
#[arg(short, long, default_value_t = false)]
verbose: bool,
}
#[derive(clap::Subcommand)]
enum Commands {
/// Cleans up unused kernel drivers.
DriverCleanup {
/// Really delete the files.
#[arg(long)]
delete: bool,
/// Directory with kernel modules.
#[arg(long, default_value = "/lib/modules")]
module_dir: PathBuf,
/// Paths to module list configuration files.
#[arg(long, default_value = "module.list,module.list.extra")]
config_files: String,
},
/// Cleans up unused firmware.
FwCleanup {
/// Really delete the files.
#[arg(long)]
delete: bool,
/// Directory with kernel modules.
#[arg(long, default_value = "/lib/modules")]
module_dir: PathBuf,
/// Directory with firmware files.
#[arg(long, default_value = "/lib/firmware")]
firmware_dir: PathBuf,
},
}
fn main() -> Result<()> {
let cli = Cli::parse();
let log_level = if cli.verbose { "debug" } else { "info" };
env_logger::Builder::from_env(Env::default().default_filter_or(log_level)).init();
let runner = SystemCommandRunner;
match &cli.command {
Commands::DriverCleanup {
delete,
module_dir,
config_files,
} => {
info!(
"Driver cleanup running. Delete: {}, Module Dir: {}",
delete,
module_dir.display()
);
let config_paths: Vec<&str> = config_files.split(',').collect();
driver::cleanup_drivers(&config_paths, module_dir, *delete, &runner)?;
}
Commands::FwCleanup {
delete,
module_dir,
firmware_dir,
} => {
info!(
"Firmware cleanup running. Delete: {}, Module Dir: {}, Firmware Dir: {}",
delete,
module_dir.display(),
firmware_dir.display()
);
firmware::cleanup_firmware(module_dir, firmware_dir, *delete, &runner)?;
}
}
Ok(())
}07070100000014000081A400000000000000000000000168E7A1E5000008FE000000000000000000000000000000000000002000000000image-janitor-0.2.0/src/util.rsuse crate::error::JanitorError;
use std::fs;
use std::path::{Path, PathBuf};
pub fn find_kernel_dir(module_dir: &Path) -> Result<PathBuf, JanitorError> {
if !module_dir.exists() {
return Err(JanitorError::NoKernelDir(module_dir.to_path_buf()));
}
let mut entries = fs::read_dir(module_dir)?
.filter_map(Result::ok)
.map(|e| e.path())
.filter(|p| p.is_dir())
.collect::<Vec<_>>();
// Sort to get a deterministic order (e.g., latest version).
entries.sort();
// In the Live ISO there should be just one kernel installed, but if there are more,
// we take the last one, which is likely the newest version.
entries
.pop()
.ok_or_else(|| JanitorError::NoKernelDir(module_dir.to_path_buf()))
}
#[cfg(test)]
mod tests {
use super::*;
use crate::error::JanitorError;
use std::fs;
#[test]
fn test_find_kernel_dir_success() {
let temp_dir = tempfile::tempdir().unwrap();
let modules_dir = temp_dir.path();
let kernel_dir_name = "6.1.0-test";
let kernel_dir = modules_dir.join(kernel_dir_name);
fs::create_dir(&kernel_dir).unwrap();
let found_dir = find_kernel_dir(modules_dir).unwrap();
assert_eq!(found_dir, kernel_dir);
}
#[test]
fn test_find_kernel_dir_no_subdirectories() {
let temp_dir = tempfile::tempdir().unwrap();
let modules_dir = temp_dir.path();
let result = find_kernel_dir(modules_dir);
assert!(matches!(result, Err(JanitorError::NoKernelDir(_))));
}
#[test]
fn test_find_kernel_dir_non_existent_path() {
let temp_dir = tempfile::tempdir().unwrap();
let modules_dir = temp_dir.path().join("non_existent");
let result = find_kernel_dir(&modules_dir);
assert!(matches!(result, Err(JanitorError::NoKernelDir(_))));
}
#[test]
fn test_find_kernel_dir_prefers_last_entry() {
let temp_dir = tempfile::tempdir().unwrap();
let modules_dir = temp_dir.path();
fs::create_dir(modules_dir.join("6.0.0-test")).unwrap();
fs::create_dir(modules_dir.join("6.1.0-test")).unwrap(); // This should be picked due to sorting
assert!(find_kernel_dir(modules_dir).unwrap().ends_with("6.1.0-test"));
}
}07070100000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000B00000000TRAILER!!!173 blocks
