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Diffstat (limited to 't/t3210-pack-refs.sh')
| -rwxr-xr-x | t/t3210-pack-refs.sh | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/t/t3210-pack-refs.sh b/t/t3210-pack-refs.sh new file mode 100755 index 0000000..577f32d --- /dev/null +++ b/t/t3210-pack-refs.sh @@ -0,0 +1,259 @@ +#!/bin/sh +# +# Copyright (c) 2005 Amos Waterland +# Copyright (c) 2006 Christian Couder +# + +test_description='git pack-refs should not change the branch semantic + +This test runs git pack-refs and git show-ref and checks that the branch +semantic is still the same. +' +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh + +test_expect_success 'enable reflogs' ' + git config core.logallrefupdates true +' + +test_expect_success \ + 'prepare a trivial repository' \ + 'echo Hello > A && + git update-index --add A && + git commit -m "Initial commit." && + HEAD=$(git rev-parse --verify HEAD)' + +SHA1= + +test_expect_success \ + 'see if git show-ref works as expected' \ + 'git branch a && + SHA1=$(cat .git/refs/heads/a) && + echo "$SHA1 refs/heads/a" >expect && + git show-ref a >result && + test_cmp expect result' + +test_expect_success \ + 'see if a branch still exists when packed' \ + 'git branch b && + git pack-refs --all && + rm -f .git/refs/heads/b && + echo "$SHA1 refs/heads/b" >expect && + git show-ref b >result && + test_cmp expect result' + +test_expect_success 'git branch c/d should barf if branch c exists' ' + git branch c && + git pack-refs --all && + rm -f .git/refs/heads/c && + test_must_fail git branch c/d +' + +test_expect_success \ + 'see if a branch still exists after git pack-refs --prune' \ + 'git branch e && + git pack-refs --all --prune && + echo "$SHA1 refs/heads/e" >expect && + git show-ref e >result && + test_cmp expect result' + +test_expect_success 'see if git pack-refs --prune remove ref files' ' + git branch f && + git pack-refs --all --prune && + ! test -f .git/refs/heads/f +' + +test_expect_success 'see if git pack-refs --prune removes empty dirs' ' + git branch r/s/t && + git pack-refs --all --prune && + ! test -e .git/refs/heads/r +' + +test_expect_success \ + 'git branch g should work when git branch g/h has been deleted' \ + 'git branch g/h && + git pack-refs --all --prune && + git branch -d g/h && + git branch g && + git pack-refs --all && + git branch -d g' + +test_expect_success 'git branch i/j/k should barf if branch i exists' ' + git branch i && + git pack-refs --all --prune && + test_must_fail git branch i/j/k +' + +test_expect_success \ + 'test git branch k after branch k/l/m and k/lm have been deleted' \ + 'git branch k/l && + git branch k/lm && + git branch -d k/l && + git branch k/l/m && + git branch -d k/l/m && + git branch -d k/lm && + git branch k' + +test_expect_success \ + 'test git branch n after some branch deletion and pruning' \ + 'git branch n/o && + git branch n/op && + git branch -d n/o && + git branch n/o/p && + git branch -d n/op && + git pack-refs --all --prune && + git branch -d n/o/p && + git branch n' + +test_expect_success \ + 'see if up-to-date packed refs are preserved' \ + 'git branch q && + git pack-refs --all --prune && + git update-ref refs/heads/q refs/heads/q && + ! test -f .git/refs/heads/q' + +test_expect_success 'pack, prune and repack' ' + git tag foo && + git pack-refs --all --prune && + git show-ref >all-of-them && + git pack-refs && + git show-ref >again && + test_cmp all-of-them again +' + +test_expect_success 'explicit pack-refs with dangling packed reference' ' + git commit --allow-empty -m "soon to be garbage-collected" && + git pack-refs --all && + git reset --hard HEAD^ && + git reflog expire --expire=all --all && + git prune --expire=all && + git pack-refs --all 2>result && + test_must_be_empty result +' + +test_expect_success 'delete ref with dangling packed version' ' + git checkout -b lamb && + git commit --allow-empty -m "future garbage" && + git pack-refs --all && + git reset --hard HEAD^ && + git checkout main && + git reflog expire --expire=all --all && + git prune --expire=all && + git branch -d lamb 2>result && + test_must_be_empty result +' + +test_expect_success 'delete ref while another dangling packed ref' ' + git branch lamb && + git commit --allow-empty -m "future garbage" && + git pack-refs --all && + git reset --hard HEAD^ && + git reflog expire --expire=all --all && + git prune --expire=all && + git branch -d lamb 2>result && + test_must_be_empty result +' + +test_expect_success 'pack ref directly below refs/' ' + git update-ref refs/top HEAD && + git pack-refs --all --prune && + grep refs/top .git/packed-refs && + test_path_is_missing .git/refs/top +' + +test_expect_success 'do not pack ref in refs/bisect' ' + git update-ref refs/bisect/local HEAD && + git pack-refs --all --prune && + ! grep refs/bisect/local .git/packed-refs >/dev/null && + test_path_is_file .git/refs/bisect/local +' + +test_expect_success 'disable reflogs' ' + git config core.logallrefupdates false && + rm -rf .git/logs +' + +test_expect_success 'create packed foo/bar/baz branch' ' + git branch foo/bar/baz && + git pack-refs --all --prune && + test_path_is_missing .git/refs/heads/foo/bar/baz && + test_must_fail git reflog exists refs/heads/foo/bar/baz +' + +test_expect_success 'notice d/f conflict with existing directory' ' + test_must_fail git branch foo && + test_must_fail git branch foo/bar +' + +test_expect_success 'existing directory reports concrete ref' ' + test_must_fail git branch foo 2>stderr && + test_i18ngrep refs/heads/foo/bar/baz stderr +' + +test_expect_success 'notice d/f conflict with existing ref' ' + test_must_fail git branch foo/bar/baz/extra && + test_must_fail git branch foo/bar/baz/lots/of/extra/components +' + +test_expect_success 'reject packed-refs with unterminated line' ' + cp .git/packed-refs .git/packed-refs.bak && + test_when_finished "mv .git/packed-refs.bak .git/packed-refs" && + printf "%s" "$HEAD refs/zzzzz" >>.git/packed-refs && + echo "fatal: unterminated line in .git/packed-refs: $HEAD refs/zzzzz" >expected_err && + test_must_fail git for-each-ref >out 2>err && + test_cmp expected_err err +' + +test_expect_success 'reject packed-refs containing junk' ' + cp .git/packed-refs .git/packed-refs.bak && + test_when_finished "mv .git/packed-refs.bak .git/packed-refs" && + printf "%s\n" "bogus content" >>.git/packed-refs && + echo "fatal: unexpected line in .git/packed-refs: bogus content" >expected_err && + test_must_fail git for-each-ref >out 2>err && + test_cmp expected_err err +' + +test_expect_success 'reject packed-refs with a short SHA-1' ' + cp .git/packed-refs .git/packed-refs.bak && + test_when_finished "mv .git/packed-refs.bak .git/packed-refs" && + printf "%.7s %s\n" $HEAD refs/zzzzz >>.git/packed-refs && + printf "fatal: unexpected line in .git/packed-refs: %.7s %s\n" $HEAD refs/zzzzz >expected_err && + test_must_fail git for-each-ref >out 2>err && + test_cmp expected_err err +' + +test_expect_success 'timeout if packed-refs.lock exists' ' + LOCK=.git/packed-refs.lock && + >"$LOCK" && + test_when_finished "rm -f $LOCK" && + test_must_fail git pack-refs --all --prune +' + +test_expect_success 'retry acquiring packed-refs.lock' ' + LOCK=.git/packed-refs.lock && + >"$LOCK" && + test_when_finished "wait && rm -f $LOCK" && + { + ( sleep 1 && rm -f $LOCK ) & + } && + git -c core.packedrefstimeout=3000 pack-refs --all --prune +' + +test_expect_success SYMLINKS 'pack symlinked packed-refs' ' + # First make sure that symlinking works when reading: + git update-ref refs/heads/lossy refs/heads/main && + git for-each-ref >all-refs-before && + mv .git/packed-refs .git/my-deviant-packed-refs && + ln -s my-deviant-packed-refs .git/packed-refs && + git for-each-ref >all-refs-linked && + test_cmp all-refs-before all-refs-linked && + git pack-refs --all --prune && + git for-each-ref >all-refs-packed && + test_cmp all-refs-before all-refs-packed && + test -h .git/packed-refs && + test "$(test_readlink .git/packed-refs)" = "my-deviant-packed-refs" +' + +test_done |