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Package not found: openSUSE:ALP:Experimental:Slowroll/dolphin
home:dirkmueller:acdc:as_python3_module
git.23697
checkout-dont-follow-symlinks.patch
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File checkout-dont-follow-symlinks.patch of Package git.23697
diff --git a/cache.h b/cache.h index 37c899b53f..a6e566469b 100644 --- a/cache.h +++ b/cache.h @@ -1713,6 +1713,7 @@ int has_symlink_leading_path(const char *name, int len); int threaded_has_symlink_leading_path(struct cache_def *, const char *, int); int check_leading_path(const char *name, int len); int has_dirs_only_path(const char *name, int len, int prefix_len); +void invalidate_lstat_cache(void); void schedule_dir_for_removal(const char *name, int len); void remove_scheduled_dirs(void); diff --git a/compat/mingw.c b/compat/mingw.c index d14065d60e..37b0b02613 100644 --- a/compat/mingw.c +++ b/compat/mingw.c @@ -364,6 +364,8 @@ int mingw_rmdir(const char *pathname) ask_yes_no_if_possible("Deletion of directory '%s' failed. " "Should I try again?", pathname)) ret = _wrmdir(wpathname); + if (!ret) + invalidate_lstat_cache(); return ret; } diff --git a/git-compat-util.h b/git-compat-util.h index aed0b5d4f9..450878a965 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -345,6 +345,11 @@ static inline int noop_core_config(const char *var, const char *value, void *cb) #define platform_core_config noop_core_config #endif +int lstat_cache_aware_rmdir(const char *path); +#if !defined(__MINGW32__) && !defined(_MSC_VER) +#define rmdir lstat_cache_aware_rmdir +#endif + #ifndef has_dos_drive_prefix static inline int git_has_dos_drive_prefix(const char *path) { diff --git a/run-command.c b/run-command.c index f5e1149f9b..b5abc98fed 100644 --- a/run-command.c +++ b/run-command.c @@ -989,6 +989,7 @@ int finish_command(struct child_process *cmd) int ret = wait_or_whine(cmd->pid, cmd->argv[0], 0); trace2_child_exit(cmd, ret); child_process_clear(cmd); + invalidate_lstat_cache(); return ret; } @@ -1289,13 +1290,19 @@ int start_async(struct async *async) int finish_async(struct async *async) { #ifdef NO_PTHREADS - return wait_or_whine(async->pid, "child process", 0); + int ret = wait_or_whine(async->pid, "child process", 0); + + invalidate_lstat_cache(); + + return ret; #else void *ret = (void *)(intptr_t)(-1); if (pthread_join(async->tid, &ret)) error("pthread_join failed"); + invalidate_lstat_cache(); return (int)(intptr_t)ret; + #endif } diff --git a/symlinks.c b/symlinks.c index 69d458a24d..7dbb6b23d9 100644 --- a/symlinks.c +++ b/symlinks.c @@ -267,6 +267,13 @@ int has_dirs_only_path(const char *name, int len, int prefix_len) */ static int threaded_has_dirs_only_path(struct cache_def *cache, const char *name, int len, int prefix_len) { + /* + * Note: this function is used by the checkout machinery, which also + * takes care to properly reset the cache when it performs an operation + * that would leave the cache outdated. If this function starts caching + * anything else besides FL_DIR, remember to also invalidate the cache + * when creating or deleting paths that might be in the cache. + */ return lstat_cache(cache, name, len, FL_DIR|FL_FULLPATH, prefix_len) & FL_DIR; @@ -321,3 +328,20 @@ void remove_scheduled_dirs(void) { do_remove_scheduled_dirs(0); } + +void invalidate_lstat_cache(void) +{ + reset_lstat_cache(&default_cache); +} + +#undef rmdir +int lstat_cache_aware_rmdir(const char *path) +{ + /* Any change in this function must be made also in `mingw_rmdir()` */ + int ret = rmdir(path); + + if (!ret) + invalidate_lstat_cache(); + + return ret; +} diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh index dc664da551..04f2212ae0 100755 --- a/t/t0021-conversion.sh +++ b/t/t0021-conversion.sh @@ -819,4 +819,85 @@ test_expect_success PERL 'invalid file in delayed checkout' ' grep "error: external filter .* signaled that .unfiltered. is now available although it has not been delayed earlier" git-stderr.log ' +for mode in 'case' 'utf-8' +do + case "$mode" in + case) dir='A' symlink='a' mode_prereq='CASE_INSENSITIVE_FS' ;; + utf-8) + dir=$(printf "\141\314\210") symlink=$(printf "\303\244") + mode_prereq='UTF8_NFD_TO_NFC' ;; + esac + + test_expect_success PERL,SYMLINKS,$mode_prereq \ + "delayed checkout with $mode-collision don't write to the wrong place" ' + test_config_global filter.delay.process \ + "\"$TEST_ROOT/rot13-filter.pl\" --always-delay delayed.log clean smudge delay" && + test_config_global filter.delay.required true && + + git init $mode-collision && + ( + cd $mode-collision && + mkdir target-dir && + + empty_oid=$(printf "" | git hash-object -w --stdin) && + symlink_oid=$(printf "%s" "$PWD/target-dir" | git hash-object -w --stdin) && + attr_oid=$(echo "$dir/z filter=delay" | git hash-object -w --stdin) && + + cat >objs <<-EOF && + 100644 blob $empty_oid $dir/x + 100644 blob $empty_oid $dir/y + 100644 blob $empty_oid $dir/z + 120000 blob $symlink_oid $symlink + 100644 blob $attr_oid .gitattributes + EOF + + git update-index --index-info <objs && + git commit -m "test commit" + ) && + + git clone $mode-collision $mode-collision-cloned && + # Make sure z was really delayed + grep "IN: smudge $dir/z .* \\[DELAYED\\]" $mode-collision-cloned/delayed.log && + + # Should not create $dir/z at $symlink/z + test_path_is_missing $mode-collision/target-dir/z + ' +done + +test_expect_success PERL,SYMLINKS,CASE_INSENSITIVE_FS \ +"delayed checkout with submodule collision don't write to the wrong place" ' + git init collision-with-submodule && + ( + cd collision-with-submodule && + git config filter.delay.process "\"$TEST_ROOT/rot13-filter.pl\" --always-delay delayed.log clean smudge delay" && + git config filter.delay.required true && + + # We need Git to treat the submodule "a" and the + # leading dir "A" as different paths in the index. + git config --local core.ignoreCase false && + + empty_oid=$(printf "" | git hash-object -w --stdin) && + attr_oid=$(echo "A/B/y filter=delay" | git hash-object -w --stdin) && + cat >objs <<-EOF && + 100644 blob $empty_oid A/B/x + 100644 blob $empty_oid A/B/y + 100644 blob $attr_oid .gitattributes + EOF + git update-index --index-info <objs && + + git init a && + mkdir target-dir && + symlink_oid=$(printf "%s" "$PWD/target-dir" | git -C a hash-object -w --stdin) && + echo "120000 blob $symlink_oid b" >objs && + git -C a update-index --index-info <objs && + git -C a commit -m sub && + git submodule add ./a && + git commit -m super && + + git checkout --recurse-submodules . && + grep "IN: smudge A/B/y .* \\[DELAYED\\]" delayed.log && + test_path_is_missing target-dir/y + ) +' + test_done diff --git a/t/t0021/rot13-filter.pl b/t/t0021/rot13-filter.pl index 470107248e..007f2d78ea 100644 --- a/t/t0021/rot13-filter.pl +++ b/t/t0021/rot13-filter.pl @@ -2,9 +2,15 @@ # Example implementation for the Git filter protocol version 2 # See Documentation/gitattributes.txt, section "Filter Protocol" # -# The first argument defines a debug log file that the script write to. -# All remaining arguments define a list of supported protocol -# capabilities ("clean", "smudge", etc). +# Usage: rot13-filter.pl [--always-delay] <log path> <capabilities> +# +# Log path defines a debug log file that the script writes to. The +# subsequent arguments define a list of supported protocol capabilities +# ("clean", "smudge", etc). +# +# When --always-delay is given all pathnames with the "can-delay" flag +# that don't appear on the list bellow are delayed with a count of 1 +# (see more below). # # This implementation supports special test cases: # (1) If data with the pathname "clean-write-fail.r" is processed with @@ -53,6 +59,13 @@ sub gitperllib { use Git::Packet; my $MAX_PACKET_CONTENT_SIZE = 65516; + +my $always_delay = 0; +if ( $ARGV[0] eq '--always-delay' ) { + $always_delay = 1; + shift @ARGV; +} + my $log_file = shift @ARGV; my @capabilities = @ARGV; @@ -134,6 +147,8 @@ sub rot13 { if ( $buffer eq "can-delay=1" ) { if ( exists $DELAY{$pathname} and $DELAY{$pathname}{"requested"} == 0 ) { $DELAY{$pathname}{"requested"} = 1; + } elsif ( !exists $DELAY{$pathname} and $always_delay ) { + $DELAY{$pathname} = { "requested" => 1, "count" => 1 }; } } else { die "Unknown message '$buffer'"; diff --git a/t/t2006-checkout-index-basic.sh b/t/t2006-checkout-index-basic.sh index 57cbdfe9bc..19aada33a3 100755 --- a/t/t2006-checkout-index-basic.sh +++ b/t/t2006-checkout-index-basic.sh @@ -21,4 +21,50 @@ test_expect_success 'checkout-index -h in broken repository' ' test_i18ngrep "[Uu]sage" broken/usage ' +for mode in 'case' 'utf-8' +do + case "$mode" in + case) dir='A' symlink='a' mode_prereq='CASE_INSENSITIVE_FS' ;; + utf-8) + dir=$(printf "\141\314\210") symlink=$(printf "\303\244") + mode_prereq='UTF8_NFD_TO_NFC' ;; + esac + + test_expect_success SYMLINKS,$mode_prereq \ + "checkout-index with $mode-collision don't write to the wrong place" ' + git init $mode-collision && + ( + cd $mode-collision && + mkdir target-dir && + + empty_obj_hex=$(git hash-object -w --stdin </dev/null) && + symlink_hex=$(printf "%s" "$PWD/target-dir" | git hash-object -w --stdin) && + + cat >objs <<-EOF && + 100644 blob ${empty_obj_hex} ${dir}/x + 100644 blob ${empty_obj_hex} ${dir}/y + 100644 blob ${empty_obj_hex} ${dir}/z + 120000 blob ${symlink_hex} ${symlink} + EOF + + git update-index --index-info <objs && + + # Note: the order is important here to exercise the + # case where the file at ${dir} has its type changed by + # the time Git tries to check out ${dir}/z. + # + # Also, we use core.precomposeUnicode=false because we + # want Git to treat the UTF-8 paths transparently on + # Mac OS, matching what is in the index. + # + git -c core.precomposeUnicode=false checkout-index -f \ + ${dir}/x ${dir}/y ${symlink} ${dir}/z && + + # Should not create ${dir}/z at ${symlink}/z + test_path_is_missing target-dir/z + + ) + ' +done + test_done diff --git a/unpack-trees.c b/unpack-trees.c index 1ecdab3304..207616c679 100644 --- a/unpack-trees.c +++ b/unpack-trees.c @@ -383,6 +383,9 @@ static int check_updates(struct unpack_trees_options *o) progress = get_progress(o); + /* Start with clean cache to avoid using any possibly outdated info. */ + invalidate_lstat_cache(); + git_attr_set_direction(GIT_ATTR_CHECKOUT); if (should_update_submodules())
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