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|
#!/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 $LOCK ) &
} &&
git -c core.packedrefstimeout=3000 pack-refs --all --prune
'
test_expect_success SYMLINKS 'pack symlinked packed-refs' '
# First make sure that symlinking works when reading:
git update-ref refs/heads/lossy refs/heads/main &&
git for-each-ref >all-refs-before &&
mv .git/packed-refs .git/my-deviant-packed-refs &&
ln -s my-deviant-packed-refs .git/packed-refs &&
git for-each-ref >all-refs-linked &&
test_cmp all-refs-before all-refs-linked &&
git pack-refs --all --prune &&
git for-each-ref >all-refs-packed &&
test_cmp all-refs-before all-refs-packed &&
test -h .git/packed-refs &&
test "$(readlink .git/packed-refs)" = "my-deviant-packed-refs"
'
test_done
|
