| #!/bin/sh |
| |
| test_description='basic git gc tests |
| ' |
| |
| . ./test-lib.sh |
| |
| test_expect_success 'setup' ' |
| # do not let the amount of physical memory affects gc |
| # behavior, make sure we always pack everything to one pack by |
| # default |
| git config gc.bigPackThreshold 2g |
| ' |
| |
| test_expect_success 'gc empty repository' ' |
| git gc |
| ' |
| |
| test_expect_success 'gc does not leave behind pid file' ' |
| git gc && |
| test_path_is_missing .git/gc.pid |
| ' |
| |
| test_expect_success 'gc --gobbledegook' ' |
| test_expect_code 129 git gc --nonsense 2>err && |
| test_i18ngrep "[Uu]sage: git gc" err |
| ' |
| |
| test_expect_success 'gc -h with invalid configuration' ' |
| mkdir broken && |
| ( |
| cd broken && |
| git init && |
| echo "[gc] pruneexpire = CORRUPT" >>.git/config && |
| test_expect_code 129 git gc -h >usage 2>&1 |
| ) && |
| test_i18ngrep "[Uu]sage" broken/usage |
| ' |
| |
| test_expect_success 'gc is not aborted due to a stale symref' ' |
| git init remote && |
| ( |
| cd remote && |
| test_commit initial && |
| git clone . ../client && |
| git branch -m develop && |
| cd ../client && |
| git fetch --prune && |
| git gc |
| ) |
| ' |
| |
| test_expect_success 'gc --keep-largest-pack' ' |
| test_create_repo keep-pack && |
| ( |
| cd keep-pack && |
| test_commit one && |
| test_commit two && |
| test_commit three && |
| git gc && |
| ( cd .git/objects/pack && ls *.pack ) >pack-list && |
| test_line_count = 1 pack-list && |
| BASE_PACK=.git/objects/pack/pack-*.pack && |
| test_commit four && |
| git repack -d && |
| test_commit five && |
| git repack -d && |
| ( cd .git/objects/pack && ls *.pack ) >pack-list && |
| test_line_count = 3 pack-list && |
| git gc --keep-largest-pack && |
| ( cd .git/objects/pack && ls *.pack ) >pack-list && |
| test_line_count = 2 pack-list && |
| test_path_is_file $BASE_PACK && |
| git fsck |
| ) |
| ' |
| |
| test_expect_success 'auto gc with too many loose objects does not attempt to create bitmaps' ' |
| test_config gc.auto 3 && |
| test_config gc.autodetach false && |
| test_config pack.writebitmaps true && |
| # We need to create two object whose sha1s start with 17 |
| # since this is what git gc counts. As it happens, these |
| # two blobs will do so. |
| test_commit 263 && |
| test_commit 410 && |
| # Our first gc will create a pack; our second will create a second pack |
| git gc --auto && |
| ls .git/objects/pack | sort >existing_packs && |
| test_commit 523 && |
| test_commit 790 && |
| |
| git gc --auto 2>err && |
| test_i18ngrep ! "^warning:" err && |
| ls .git/objects/pack/ | sort >post_packs && |
| comm -1 -3 existing_packs post_packs >new && |
| comm -2 -3 existing_packs post_packs >del && |
| test_line_count = 0 del && # No packs are deleted |
| test_line_count = 2 new # There is one new pack and its .idx |
| ' |
| |
| run_and_wait_for_auto_gc () { |
| # We read stdout from gc for the side effect of waiting until the |
| # background gc process exits, closing its fd 9. Furthermore, the |
| # variable assignment from a command substitution preserves the |
| # exit status of the main gc process. |
| # Note: this fd trickery doesn't work on Windows, but there is no |
| # need to, because on Win the auto gc always runs in the foreground. |
| doesnt_matter=$(git gc --auto 9>&1) |
| } |
| |
| test_expect_success 'background auto gc does not run if gc.log is present and recent but does if it is old' ' |
| test_commit foo && |
| test_commit bar && |
| git repack && |
| test_config gc.autopacklimit 1 && |
| test_config gc.autodetach true && |
| echo fleem >.git/gc.log && |
| test_must_fail git gc --auto 2>err && |
| test_i18ngrep "^error:" err && |
| test_config gc.logexpiry 5.days && |
| test-tool chmtime =-345600 .git/gc.log && |
| test_must_fail git gc --auto && |
| test_config gc.logexpiry 2.days && |
| run_and_wait_for_auto_gc && |
| ls .git/objects/pack/pack-*.pack >packs && |
| test_line_count = 1 packs |
| ' |
| |
| test_expect_success 'background auto gc respects lock for all operations' ' |
| # make sure we run a background auto-gc |
| test_commit make-pack && |
| git repack && |
| test_config gc.autopacklimit 1 && |
| test_config gc.autodetach true && |
| |
| # create a ref whose loose presence we can use to detect a pack-refs run |
| git update-ref refs/heads/should-be-loose HEAD && |
| test_path_is_file .git/refs/heads/should-be-loose && |
| |
| # now fake a concurrent gc that holds the lock; we can use our |
| # shell pid so that it looks valid. |
| hostname=$(hostname || echo unknown) && |
| printf "$$ %s" "$hostname" >.git/gc.pid && |
| |
| # our gc should exit zero without doing anything |
| run_and_wait_for_auto_gc && |
| test_path_is_file .git/refs/heads/should-be-loose |
| ' |
| |
| # DO NOT leave a detached auto gc process running near the end of the |
| # test script: it can run long enough in the background to racily |
| # interfere with the cleanup in 'test_done'. |
| |
| test_done |