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03267e8656
The read_cache() in prepare_to_commit() would end up clobbering the pointer we had for a previously populated "the_index.cache_tree" in the very common case of "git commit" stressed by e.g. the tests being changed here. We'd populate "the_index.cache_tree" by calling "update_main_cache_tree" in prepare_index(), but would not end up with a "fully prepared" index. What constitutes an existing index is clearly overly fuzzy, here we'll check "active_nr" (aka "the_index.cache_nr"), but our "the_index.cache_tree" might have been malloc()'d already. Thus the code added in11c8a74a64(commit: write cache-tree data when writing index anyway, 2011-12-06) would end up allocating the "cache_tree", and would interact here with code added in7168624c35(Do not generate full commit log message if it is not going to be used, 2007-11-28). The result was a very common memory leak. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Taylor Blau <me@ttaylorr.com>
157 lines
3.2 KiB
Bash
Executable file
157 lines
3.2 KiB
Bash
Executable file
#!/bin/sh
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test_description='patching from inconvenient places'
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TEST_PASSES_SANITIZE_LEAK=true
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. ./test-lib.sh
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test_expect_success 'setup' '
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cat >patch <<-\EOF &&
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diff file.orig file
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--- a/file.orig
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+++ b/file
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@@ -1 +1,2 @@
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1
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+2
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EOF
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patch="$(pwd)/patch" &&
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echo 1 >preimage &&
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printf "%s\n" 1 2 >postimage &&
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echo 3 >other &&
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test_tick &&
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git commit --allow-empty -m basis
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'
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test_expect_success 'setup: subdir' '
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reset_subdir() {
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git reset &&
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mkdir -p sub/dir/b &&
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mkdir -p objects &&
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cp "$1" file &&
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cp "$1" objects/file &&
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cp "$1" sub/dir/file &&
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cp "$1" sub/dir/b/file &&
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git add file sub/dir/file sub/dir/b/file objects/file &&
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cp "$2" file &&
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cp "$2" sub/dir/file &&
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cp "$2" sub/dir/b/file &&
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cp "$2" objects/file &&
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test_might_fail git update-index --refresh -q
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}
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'
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test_expect_success 'apply from subdir of toplevel' '
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cp postimage expected &&
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reset_subdir other preimage &&
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(
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cd sub/dir &&
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git apply "$patch"
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) &&
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test_cmp expected sub/dir/file
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'
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test_expect_success 'apply --cached from subdir of toplevel' '
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cp postimage expected &&
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cp other expected.working &&
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reset_subdir preimage other &&
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(
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cd sub/dir &&
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git apply --cached "$patch"
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) &&
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git show :sub/dir/file >actual &&
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test_cmp expected actual &&
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test_cmp expected.working sub/dir/file
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'
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test_expect_success 'apply --index from subdir of toplevel' '
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cp postimage expected &&
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reset_subdir preimage other &&
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(
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cd sub/dir &&
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test_must_fail git apply --index "$patch"
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) &&
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reset_subdir other preimage &&
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(
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cd sub/dir &&
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test_must_fail git apply --index "$patch"
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) &&
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reset_subdir preimage preimage &&
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(
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cd sub/dir &&
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git apply --index "$patch"
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) &&
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git show :sub/dir/file >actual &&
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test_cmp expected actual &&
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test_cmp expected sub/dir/file
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'
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test_expect_success 'apply half-broken patch from subdir of toplevel' '
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(
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cd sub/dir &&
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test_must_fail git apply <<-EOF
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--- sub/dir/file
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+++ sub/dir/file
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@@ -1,0 +1,0 @@
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--- file_in_root
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+++ file_in_root
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@@ -1,0 +1,0 @@
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EOF
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)
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'
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test_expect_success 'apply from .git dir' '
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cp postimage expected &&
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cp preimage .git/file &&
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cp preimage .git/objects/file &&
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(
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cd .git &&
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git apply "$patch"
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) &&
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test_cmp expected .git/file
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'
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test_expect_success 'apply from subdir of .git dir' '
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cp postimage expected &&
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cp preimage .git/file &&
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cp preimage .git/objects/file &&
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(
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cd .git/objects &&
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git apply "$patch"
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) &&
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test_cmp expected .git/objects/file
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'
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test_expect_success 'apply --cached from .git dir' '
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cp postimage expected &&
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cp other expected.working &&
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cp other .git/file &&
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reset_subdir preimage other &&
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(
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cd .git &&
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git apply --cached "$patch"
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) &&
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git show :file >actual &&
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test_cmp expected actual &&
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test_cmp expected.working file &&
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test_cmp expected.working .git/file
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'
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test_expect_success 'apply --cached from subdir of .git dir' '
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cp postimage expected &&
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cp preimage expected.subdir &&
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cp other .git/file &&
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cp other .git/objects/file &&
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reset_subdir preimage other &&
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(
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cd .git/objects &&
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git apply --cached "$patch"
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) &&
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git show :file >actual &&
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git show :objects/file >actual.subdir &&
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test_cmp expected actual &&
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test_cmp expected.subdir actual.subdir
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'
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test_done
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