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205 lines
6.2 KiB
205 lines
6.2 KiB
#!/bin/sh |
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test_description='basic git gc tests |
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' |
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. ./test-lib.sh |
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. "$TEST_DIRECTORY"/lib-terminal.sh |
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test_expect_success 'setup' ' |
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# do not let the amount of physical memory affects gc |
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# behavior, make sure we always pack everything to one pack by |
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# default |
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git config gc.bigPackThreshold 2g |
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' |
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test_expect_success 'gc empty repository' ' |
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git gc |
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' |
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test_expect_success 'gc does not leave behind pid file' ' |
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git gc && |
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test_path_is_missing .git/gc.pid |
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' |
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test_expect_success 'gc --gobbledegook' ' |
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test_expect_code 129 git gc --nonsense 2>err && |
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test_i18ngrep "[Uu]sage: git gc" err |
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' |
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test_expect_success 'gc -h with invalid configuration' ' |
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mkdir broken && |
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( |
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cd broken && |
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git init && |
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echo "[gc] pruneexpire = CORRUPT" >>.git/config && |
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test_expect_code 129 git gc -h >usage 2>&1 |
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) && |
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test_i18ngrep "[Uu]sage" broken/usage |
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' |
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test_expect_success 'gc is not aborted due to a stale symref' ' |
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git init remote && |
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( |
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cd remote && |
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test_commit initial && |
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git clone . ../client && |
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git branch -m develop && |
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cd ../client && |
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git fetch --prune && |
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git gc |
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) |
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' |
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test_expect_success 'gc --keep-largest-pack' ' |
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test_create_repo keep-pack && |
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( |
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cd keep-pack && |
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test_commit one && |
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test_commit two && |
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test_commit three && |
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git gc && |
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( cd .git/objects/pack && ls *.pack ) >pack-list && |
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test_line_count = 1 pack-list && |
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BASE_PACK=.git/objects/pack/pack-*.pack && |
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test_commit four && |
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git repack -d && |
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test_commit five && |
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git repack -d && |
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( cd .git/objects/pack && ls *.pack ) >pack-list && |
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test_line_count = 3 pack-list && |
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git gc --keep-largest-pack && |
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( cd .git/objects/pack && ls *.pack ) >pack-list && |
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test_line_count = 2 pack-list && |
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awk "/^P /{print \$2}" <.git/objects/info/packs >pack-info && |
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test_line_count = 2 pack-info && |
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test_path_is_file $BASE_PACK && |
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git fsck |
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) |
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' |
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test_expect_success 'auto gc with too many loose objects does not attempt to create bitmaps' ' |
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test_config gc.auto 3 && |
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test_config gc.autodetach false && |
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test_config pack.writebitmaps true && |
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# We need to create two object whose sha1s start with 17 |
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# since this is what git gc counts. As it happens, these |
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# two blobs will do so. |
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test_commit 263 && |
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test_commit 410 && |
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# Our first gc will create a pack; our second will create a second pack |
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git gc --auto && |
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ls .git/objects/pack | sort >existing_packs && |
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test_commit 523 && |
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test_commit 790 && |
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git gc --auto 2>err && |
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test_i18ngrep ! "^warning:" err && |
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ls .git/objects/pack/ | sort >post_packs && |
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comm -1 -3 existing_packs post_packs >new && |
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comm -2 -3 existing_packs post_packs >del && |
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test_line_count = 0 del && # No packs are deleted |
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test_line_count = 2 new # There is one new pack and its .idx |
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' |
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test_expect_success 'gc --no-quiet' ' |
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GIT_PROGRESS_DELAY=0 git -c gc.writeCommitGraph=true gc --no-quiet >stdout 2>stderr && |
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test_must_be_empty stdout && |
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test_i18ngrep "Computing commit graph generation numbers" stderr |
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' |
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test_expect_success TTY 'with TTY: gc --no-quiet' ' |
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test_terminal env GIT_PROGRESS_DELAY=0 \ |
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git -c gc.writeCommitGraph=true gc --no-quiet >stdout 2>stderr && |
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test_must_be_empty stdout && |
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test_i18ngrep "Enumerating objects" stderr && |
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test_i18ngrep "Computing commit graph generation numbers" stderr |
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' |
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test_expect_success 'gc --quiet' ' |
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git -c gc.writeCommitGraph=true gc --quiet >stdout 2>stderr && |
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test_must_be_empty stdout && |
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test_must_be_empty stderr |
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' |
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test_expect_success 'gc.reflogExpire{Unreachable,}=never skips "expire" via "gc"' ' |
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test_config gc.reflogExpire never && |
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test_config gc.reflogExpireUnreachable never && |
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GIT_TRACE=$(pwd)/trace.out git gc && |
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# Check that git-pack-refs is run as a sanity check (done via |
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# gc_before_repack()) but that git-expire is not. |
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grep -E "^trace: (built-in|exec|run_command): git pack-refs --" trace.out && |
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! grep -E "^trace: (built-in|exec|run_command): git reflog expire --" trace.out |
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' |
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test_expect_success 'one of gc.reflogExpire{Unreachable,}=never does not skip "expire" via "gc"' ' |
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>trace.out && |
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test_config gc.reflogExpire never && |
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GIT_TRACE=$(pwd)/trace.out git gc && |
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grep -E "^trace: (built-in|exec|run_command): git reflog expire --" trace.out |
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' |
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run_and_wait_for_auto_gc () { |
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# We read stdout from gc for the side effect of waiting until the |
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# background gc process exits, closing its fd 9. Furthermore, the |
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# variable assignment from a command substitution preserves the |
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# exit status of the main gc process. |
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# Note: this fd trickery doesn't work on Windows, but there is no |
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# need to, because on Win the auto gc always runs in the foreground. |
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doesnt_matter=$(git gc --auto 9>&1) |
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} |
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test_expect_success 'background auto gc does not run if gc.log is present and recent but does if it is old' ' |
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test_commit foo && |
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test_commit bar && |
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git repack && |
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test_config gc.autopacklimit 1 && |
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test_config gc.autodetach true && |
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echo fleem >.git/gc.log && |
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git gc --auto 2>err && |
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test_i18ngrep "^warning:" err && |
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test_config gc.logexpiry 5.days && |
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test-tool chmtime =-345600 .git/gc.log && |
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git gc --auto && |
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test_config gc.logexpiry 2.days && |
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run_and_wait_for_auto_gc && |
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ls .git/objects/pack/pack-*.pack >packs && |
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test_line_count = 1 packs |
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' |
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test_expect_success 'background auto gc respects lock for all operations' ' |
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# make sure we run a background auto-gc |
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test_commit make-pack && |
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git repack && |
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test_config gc.autopacklimit 1 && |
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test_config gc.autodetach true && |
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# create a ref whose loose presence we can use to detect a pack-refs run |
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git update-ref refs/heads/should-be-loose HEAD && |
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test_path_is_file .git/refs/heads/should-be-loose && |
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# now fake a concurrent gc that holds the lock; we can use our |
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# shell pid so that it looks valid. |
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hostname=$(hostname || echo unknown) && |
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shell_pid=$$ && |
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if test_have_prereq MINGW && test -f /proc/$shell_pid/winpid |
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then |
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# In Git for Windows, Bash (actually, the MSYS2 runtime) has a |
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# different idea of PIDs than git.exe (actually Windows). Use |
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# the Windows PID in this case. |
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shell_pid=$(cat /proc/$shell_pid/winpid) |
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fi && |
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printf "%d %s" "$shell_pid" "$hostname" >.git/gc.pid && |
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# our gc should exit zero without doing anything |
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run_and_wait_for_auto_gc && |
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test_path_is_file .git/refs/heads/should-be-loose |
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' |
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# DO NOT leave a detached auto gc process running near the end of the |
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# test script: it can run long enough in the background to racily |
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# interfere with the cleanup in 'test_done'. |
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test_done
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