File BZ-1097383-usr-readonly.patch of Package yum

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File BZ-1097383-usr-readonly.patch of Package yum

commit 507182919894e9bf75b08a75cb22c49d852c8278
Author: James Antill <james@and.org>
Date:   Wed May 21 15:14:55 2014 -0400

Check /usr for writability before running a transaction.

diff --git a/docs/yum.conf.5 b/docs/yum.conf.5
index 4ec7689..c39544d 100644
--- a/docs/yum.conf.5
+++ b/docs/yum.conf.5
@@ -892,6 +892,11 @@ shouldn't be needed as yum should always solve or fail, however it has been
 observed that it can loop forever with very large system upgrades. Setting
 this to `0' (or "<forever>") makes yum try forever. Default is `100'.
 
+.IP
+\fBusr_w_check\fR
+Either `0' or `1'. Set this to `0' to disable the checking for writability on
+/usr in the installroot (when going into the depsolving stage). Default is `1'
+(perform the check).
 
 .SH "[repository] OPTIONS"
 .LP 
diff --git a/yum/config.py b/yum/config.py
index 7bb56d0..f0f4e96 100644
--- a/yum/config.py
+++ b/yum/config.py
@@ -906,6 +906,8 @@ class YumConf(StartupConf):
 
     check_config_file_age = BoolOption(True)
 
+    usr_w_check = BoolOption(True)
+
     _reposlist = []
 
     def dump(self):
diff --git a/yummain.py b/yummain.py
index fa76af8..ee8d632 100755
--- a/yummain.py
+++ b/yummain.py
@@ -209,6 +209,17 @@ def main(args):
             logger.critical(msg)
         if unlock(): return 200
         return 3
+
+    # Mainly for ostree, but might be useful for others.
+    if base.conf.usr_w_check:
+        usrinstpath = base.conf.installroot + "/usr"
+        usrinstpath = usrinstpath.replace('//', '/')
+        if not os.access(usrinstpath, os.W_OK):
+            logger.critical(_('No write access to %s directory') % usrinstpath)
+            logger.critical(_('  Maybe this is an ostree image?'))
+            logger.critical(_('  To disable you can use --setopt=usr_w_check=false'))
+            if unlock(): return 200
+            return 1
             
     # Depsolve stage
     verbose_logger.log(logginglevels.INFO_2, _('Resolving Dependencies'))
commit 6e64b142014dc3c5489aed7966f0948948054fb7
Author: James Antill <james@and.org>
Date:   Wed May 21 18:29:28 2014 -0400

Check for existance, so mock etc. is happy.

diff --git a/yummain.py b/yummain.py
index ee8d632..24bbe6c 100755
--- a/yummain.py
+++ b/yummain.py
@@ -214,7 +214,8 @@ def main(args):
     if base.conf.usr_w_check:
         usrinstpath = base.conf.installroot + "/usr"
         usrinstpath = usrinstpath.replace('//', '/')
-        if not os.access(usrinstpath, os.W_OK):
+        if (os.path.exists(usrinstpath) and
+            not os.access(usrinstpath, os.W_OK)):
             logger.critical(_('No write access to %s directory') % usrinstpath)
             logger.critical(_('  Maybe this is an ostree image?'))
             logger.critical(_('  To disable you can use --setopt=usr_w_check=false'))

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File BZ-1097383-usr-readonly.patch of Package yum

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