| #!/bin/sh | |
| test_description='Test git update-ref error handling' | |
| . ./test-lib.sh | |
| # Create some references, perhaps run pack-refs --all, then try to | |
| # create some more references. Ensure that the second creation fails | |
| # with the correct error message. | |
| # Usage: test_update_rejected <before> <pack> <create> <error> | |
| # <before> is a ws-separated list of refs to create before the test | |
| # <pack> (true or false) tells whether to pack the refs before the test | |
| # <create> is a list of variables to attempt creating | |
| # <error> is a string to look for in the stderr of update-ref. | |
| # All references are created in the namespace specified by the current | |
| # value of $prefix. | |
| test_update_rejected () { | |
| before="$1" && | |
| pack="$2" && | |
| create="$3" && | |
| error="$4" && | |
| printf "create $prefix/%s $C\n" $before | | |
| git update-ref --stdin && | |
| git for-each-ref $prefix >unchanged && | |
| if $pack | |
| then | |
| git pack-refs --all | |
| fi && | |
| printf "create $prefix/%s $C\n" $create >input && | |
| test_must_fail git update-ref --stdin <input 2>output.err && | |
| grep -F "$error" output.err && | |
| git for-each-ref $prefix >actual && | |
| test_cmp unchanged actual | |
| } | |
| Q="'" | |
| # Test adding and deleting D/F-conflicting references in a single | |
| # transaction. | |
| df_test() { | |
| prefix="$1" | |
| pack=: symadd=false symdel=false add_del=false addref= delref= | |
| shift | |
| while test $# -gt 0 | |
| do | |
| case "$1" in | |
| --pack) | |
| pack="git pack-refs --all" | |
| shift | |
| ;; | |
| --sym-add) | |
| # Perform the add via a symbolic reference | |
| symadd=true | |
| shift | |
| ;; | |
| --sym-del) | |
| # Perform the del via a symbolic reference | |
| symdel=true | |
| shift | |
| ;; | |
| --del-add) | |
| # Delete first reference then add second | |
| add_del=false | |
| delref="$prefix/r/$2" | |
| addref="$prefix/r/$3" | |
| shift 3 | |
| ;; | |
| --add-del) | |
| # Add first reference then delete second | |
| add_del=true | |
| addref="$prefix/r/$2" | |
| delref="$prefix/r/$3" | |
| shift 3 | |
| ;; | |
| *) | |
| echo 1>&2 "Extra args to df_test: $*" | |
| return 1 | |
| ;; | |
| esac | |
| done | |
| git update-ref "$delref" $C && | |
| if $symadd | |
| then | |
| addname="$prefix/s/symadd" && | |
| git symbolic-ref "$addname" "$addref" | |
| else | |
| addname="$addref" | |
| fi && | |
| if $symdel | |
| then | |
| delname="$prefix/s/symdel" && | |
| git symbolic-ref "$delname" "$delref" | |
| else | |
| delname="$delref" | |
| fi && | |
| cat >expected-err <<-EOF && | |
| fatal: cannot lock ref $Q$addname$Q: $Q$delref$Q exists; cannot create $Q$addref$Q | |
| EOF | |
| $pack && | |
| if $add_del | |
| then | |
| printf "%s\n" "create $addname $D" "delete $delname" | |
| else | |
| printf "%s\n" "delete $delname" "create $addname $D" | |
| fi >commands && | |
| test_must_fail git update-ref --stdin <commands 2>output.err && | |
| test_cmp expected-err output.err && | |
| printf "%s\n" "$C $delref" >expected-refs && | |
| git for-each-ref --format="%(objectname) %(refname)" $prefix/r >actual-refs && | |
| test_cmp expected-refs actual-refs | |
| } | |
| test_expect_success 'setup' ' | |
| git commit --allow-empty -m Initial && | |
| C=$(git rev-parse HEAD) && | |
| git commit --allow-empty -m Second && | |
| D=$(git rev-parse HEAD) && | |
| git commit --allow-empty -m Third && | |
| E=$(git rev-parse HEAD) | |
| ' | |
| test_expect_success 'existing loose ref is a simple prefix of new' ' | |
| prefix=refs/1l && | |
| test_update_rejected "a c e" false "b c/x d" \ | |
| "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x$Q" | |
| ' | |
| test_expect_success 'existing packed ref is a simple prefix of new' ' | |
| prefix=refs/1p && | |
| test_update_rejected "a c e" true "b c/x d" \ | |
| "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x$Q" | |
| ' | |
| test_expect_success 'existing loose ref is a deeper prefix of new' ' | |
| prefix=refs/2l && | |
| test_update_rejected "a c e" false "b c/x/y d" \ | |
| "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x/y$Q" | |
| ' | |
| test_expect_success 'existing packed ref is a deeper prefix of new' ' | |
| prefix=refs/2p && | |
| test_update_rejected "a c e" true "b c/x/y d" \ | |
| "$Q$prefix/c$Q exists; cannot create $Q$prefix/c/x/y$Q" | |
| ' | |
| test_expect_success 'new ref is a simple prefix of existing loose' ' | |
| prefix=refs/3l && | |
| test_update_rejected "a c/x e" false "b c d" \ | |
| "$Q$prefix/c/x$Q exists; cannot create $Q$prefix/c$Q" | |
| ' | |
| test_expect_success 'new ref is a simple prefix of existing packed' ' | |
| prefix=refs/3p && | |
| test_update_rejected "a c/x e" true "b c d" \ | |
| "$Q$prefix/c/x$Q exists; cannot create $Q$prefix/c$Q" | |
| ' | |
| test_expect_success 'new ref is a deeper prefix of existing loose' ' | |
| prefix=refs/4l && | |
| test_update_rejected "a c/x/y e" false "b c d" \ | |
| "$Q$prefix/c/x/y$Q exists; cannot create $Q$prefix/c$Q" | |
| ' | |
| test_expect_success 'new ref is a deeper prefix of existing packed' ' | |
| prefix=refs/4p && | |
| test_update_rejected "a c/x/y e" true "b c d" \ | |
| "$Q$prefix/c/x/y$Q exists; cannot create $Q$prefix/c$Q" | |
| ' | |
| test_expect_success 'one new ref is a simple prefix of another' ' | |
| prefix=refs/5 && | |
| test_update_rejected "a e" false "b c c/x d" \ | |
| "cannot process $Q$prefix/c$Q and $Q$prefix/c/x$Q at the same time" | |
| ' | |
| test_expect_success 'empty directory should not fool rev-parse' ' | |
| prefix=refs/e-rev-parse && | |
| git update-ref $prefix/foo $C && | |
| git pack-refs --all && | |
| mkdir -p .git/$prefix/foo/bar/baz && | |
| echo "$C" >expected && | |
| git rev-parse $prefix/foo >actual && | |
| test_cmp expected actual | |
| ' | |
| test_expect_success 'empty directory should not fool for-each-ref' ' | |
| prefix=refs/e-for-each-ref && | |
| git update-ref $prefix/foo $C && | |
| git for-each-ref $prefix >expected && | |
| git pack-refs --all && | |
| mkdir -p .git/$prefix/foo/bar/baz && | |
| git for-each-ref $prefix >actual && | |
| test_cmp expected actual | |
| ' | |
| test_expect_success 'empty directory should not fool create' ' | |
| prefix=refs/e-create && | |
| mkdir -p .git/$prefix/foo/bar/baz && | |
| printf "create %s $C\n" $prefix/foo | | |
| git update-ref --stdin | |
| ' | |
| test_expect_success 'empty directory should not fool verify' ' | |
| prefix=refs/e-verify && | |
| git update-ref $prefix/foo $C && | |
| git pack-refs --all && | |
| mkdir -p .git/$prefix/foo/bar/baz && | |
| printf "verify %s $C\n" $prefix/foo | | |
| git update-ref --stdin | |
| ' | |
| test_expect_success 'empty directory should not fool 1-arg update' ' | |
| prefix=refs/e-update-1 && | |
| git update-ref $prefix/foo $C && | |
| git pack-refs --all && | |
| mkdir -p .git/$prefix/foo/bar/baz && | |
| printf "update %s $D\n" $prefix/foo | | |
| git update-ref --stdin | |
| ' | |
| test_expect_success 'empty directory should not fool 2-arg update' ' | |
| prefix=refs/e-update-2 && | |
| git update-ref $prefix/foo $C && | |
| git pack-refs --all && | |
| mkdir -p .git/$prefix/foo/bar/baz && | |
| printf "update %s $D $C\n" $prefix/foo | | |
| git update-ref --stdin | |
| ' | |
| test_expect_success 'empty directory should not fool 0-arg delete' ' | |
| prefix=refs/e-delete-0 && | |
| git update-ref $prefix/foo $C && | |
| git pack-refs --all && | |
| mkdir -p .git/$prefix/foo/bar/baz && | |
| printf "delete %s\n" $prefix/foo | | |
| git update-ref --stdin | |
| ' | |
| test_expect_success 'empty directory should not fool 1-arg delete' ' | |
| prefix=refs/e-delete-1 && | |
| git update-ref $prefix/foo $C && | |
| git pack-refs --all && | |
| mkdir -p .git/$prefix/foo/bar/baz && | |
| printf "delete %s $C\n" $prefix/foo | | |
| git update-ref --stdin | |
| ' | |
| test_expect_success 'D/F conflict prevents add long + delete short' ' | |
| df_test refs/df-al-ds --add-del foo/bar foo | |
| ' | |
| test_expect_success 'D/F conflict prevents add short + delete long' ' | |
| df_test refs/df-as-dl --add-del foo foo/bar | |
| ' | |
| test_expect_success 'D/F conflict prevents delete long + add short' ' | |
| df_test refs/df-dl-as --del-add foo/bar foo | |
| ' | |
| test_expect_success 'D/F conflict prevents delete short + add long' ' | |
| df_test refs/df-ds-al --del-add foo foo/bar | |
| ' | |
| test_expect_success 'D/F conflict prevents add long + delete short packed' ' | |
| df_test refs/df-al-dsp --pack --add-del foo/bar foo | |
| ' | |
| test_expect_success 'D/F conflict prevents add short + delete long packed' ' | |
| df_test refs/df-as-dlp --pack --add-del foo foo/bar | |
| ' | |
| test_expect_success 'D/F conflict prevents delete long packed + add short' ' | |
| df_test refs/df-dlp-as --pack --del-add foo/bar foo | |
| ' | |
| test_expect_success 'D/F conflict prevents delete short packed + add long' ' | |
| df_test refs/df-dsp-al --pack --del-add foo foo/bar | |
| ' | |
| # Try some combinations involving symbolic refs... | |
| test_expect_success 'D/F conflict prevents indirect add long + delete short' ' | |
| df_test refs/df-ial-ds --sym-add --add-del foo/bar foo | |
| ' | |
| test_expect_success 'D/F conflict prevents indirect add long + indirect delete short' ' | |
| df_test refs/df-ial-ids --sym-add --sym-del --add-del foo/bar foo | |
| ' | |
| test_expect_success 'D/F conflict prevents indirect add short + indirect delete long' ' | |
| df_test refs/df-ias-idl --sym-add --sym-del --add-del foo foo/bar | |
| ' | |
| test_expect_success 'D/F conflict prevents indirect delete long + indirect add short' ' | |
| df_test refs/df-idl-ias --sym-add --sym-del --del-add foo/bar foo | |
| ' | |
| test_expect_success 'D/F conflict prevents indirect add long + delete short packed' ' | |
| df_test refs/df-ial-dsp --sym-add --pack --add-del foo/bar foo | |
| ' | |
| test_expect_success 'D/F conflict prevents indirect add long + indirect delete short packed' ' | |
| df_test refs/df-ial-idsp --sym-add --sym-del --pack --add-del foo/bar foo | |
| ' | |
| test_expect_success 'D/F conflict prevents add long + indirect delete short packed' ' | |
| df_test refs/df-al-idsp --sym-del --pack --add-del foo/bar foo | |
| ' | |
| test_expect_success 'D/F conflict prevents indirect delete long packed + indirect add short' ' | |
| df_test refs/df-idlp-ias --sym-add --sym-del --pack --del-add foo/bar foo | |
| ' | |
| # Test various errors when reading the old values of references... | |
| test_expect_success 'missing old value blocks update' ' | |
| prefix=refs/missing-update && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/foo$Q: unable to resolve reference $Q$prefix/foo$Q | |
| EOF | |
| printf "%s\n" "update $prefix/foo $E $D" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'incorrect old value blocks update' ' | |
| prefix=refs/incorrect-update && | |
| git update-ref $prefix/foo $C && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/foo$Q: is at $C but expected $D | |
| EOF | |
| printf "%s\n" "update $prefix/foo $E $D" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'existing old value blocks create' ' | |
| prefix=refs/existing-create && | |
| git update-ref $prefix/foo $C && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/foo$Q: reference already exists | |
| EOF | |
| printf "%s\n" "create $prefix/foo $E" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'incorrect old value blocks delete' ' | |
| prefix=refs/incorrect-delete && | |
| git update-ref $prefix/foo $C && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/foo$Q: is at $C but expected $D | |
| EOF | |
| printf "%s\n" "delete $prefix/foo $D" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'missing old value blocks indirect update' ' | |
| prefix=refs/missing-indirect-update && | |
| git symbolic-ref $prefix/symref $prefix/foo && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: unable to resolve reference $Q$prefix/foo$Q | |
| EOF | |
| printf "%s\n" "update $prefix/symref $E $D" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'incorrect old value blocks indirect update' ' | |
| prefix=refs/incorrect-indirect-update && | |
| git symbolic-ref $prefix/symref $prefix/foo && | |
| git update-ref $prefix/foo $C && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: is at $C but expected $D | |
| EOF | |
| printf "%s\n" "update $prefix/symref $E $D" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'existing old value blocks indirect create' ' | |
| prefix=refs/existing-indirect-create && | |
| git symbolic-ref $prefix/symref $prefix/foo && | |
| git update-ref $prefix/foo $C && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: reference already exists | |
| EOF | |
| printf "%s\n" "create $prefix/symref $E" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'incorrect old value blocks indirect delete' ' | |
| prefix=refs/incorrect-indirect-delete && | |
| git symbolic-ref $prefix/symref $prefix/foo && | |
| git update-ref $prefix/foo $C && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: is at $C but expected $D | |
| EOF | |
| printf "%s\n" "delete $prefix/symref $D" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'missing old value blocks indirect no-deref update' ' | |
| prefix=refs/missing-noderef-update && | |
| git symbolic-ref $prefix/symref $prefix/foo && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: reference is missing but expected $D | |
| EOF | |
| printf "%s\n" "option no-deref" "update $prefix/symref $E $D" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'incorrect old value blocks indirect no-deref update' ' | |
| prefix=refs/incorrect-noderef-update && | |
| git symbolic-ref $prefix/symref $prefix/foo && | |
| git update-ref $prefix/foo $C && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: is at $C but expected $D | |
| EOF | |
| printf "%s\n" "option no-deref" "update $prefix/symref $E $D" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'existing old value blocks indirect no-deref create' ' | |
| prefix=refs/existing-noderef-create && | |
| git symbolic-ref $prefix/symref $prefix/foo && | |
| git update-ref $prefix/foo $C && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: reference already exists | |
| EOF | |
| printf "%s\n" "option no-deref" "create $prefix/symref $E" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'incorrect old value blocks indirect no-deref delete' ' | |
| prefix=refs/incorrect-noderef-delete && | |
| git symbolic-ref $prefix/symref $prefix/foo && | |
| git update-ref $prefix/foo $C && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: is at $C but expected $D | |
| EOF | |
| printf "%s\n" "option no-deref" "delete $prefix/symref $D" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'non-empty directory blocks create' ' | |
| prefix=refs/ne-create && | |
| mkdir -p .git/$prefix/foo/bar && | |
| : >.git/$prefix/foo/bar/baz.lock && | |
| test_when_finished "rm -f .git/$prefix/foo/bar/baz.lock" && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/foo$Q: there is a non-empty directory $Q.git/$prefix/foo$Q blocking reference $Q$prefix/foo$Q | |
| EOF | |
| printf "%s\n" "update $prefix/foo $C" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/foo$Q: unable to resolve reference $Q$prefix/foo$Q | |
| EOF | |
| printf "%s\n" "update $prefix/foo $D $C" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'broken reference blocks create' ' | |
| prefix=refs/broken-create && | |
| mkdir -p .git/$prefix && | |
| echo "gobbledigook" >.git/$prefix/foo && | |
| test_when_finished "rm -f .git/$prefix/foo" && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/foo$Q: unable to resolve reference $Q$prefix/foo$Q: reference broken | |
| EOF | |
| printf "%s\n" "update $prefix/foo $C" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/foo$Q: unable to resolve reference $Q$prefix/foo$Q: reference broken | |
| EOF | |
| printf "%s\n" "update $prefix/foo $D $C" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'non-empty directory blocks indirect create' ' | |
| prefix=refs/ne-indirect-create && | |
| git symbolic-ref $prefix/symref $prefix/foo && | |
| mkdir -p .git/$prefix/foo/bar && | |
| : >.git/$prefix/foo/bar/baz.lock && | |
| test_when_finished "rm -f .git/$prefix/foo/bar/baz.lock" && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: there is a non-empty directory $Q.git/$prefix/foo$Q blocking reference $Q$prefix/foo$Q | |
| EOF | |
| printf "%s\n" "update $prefix/symref $C" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: unable to resolve reference $Q$prefix/foo$Q | |
| EOF | |
| printf "%s\n" "update $prefix/symref $D $C" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'broken reference blocks indirect create' ' | |
| prefix=refs/broken-indirect-create && | |
| git symbolic-ref $prefix/symref $prefix/foo && | |
| echo "gobbledigook" >.git/$prefix/foo && | |
| test_when_finished "rm -f .git/$prefix/foo" && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: unable to resolve reference $Q$prefix/foo$Q: reference broken | |
| EOF | |
| printf "%s\n" "update $prefix/symref $C" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err && | |
| cat >expected <<-EOF && | |
| fatal: cannot lock ref $Q$prefix/symref$Q: unable to resolve reference $Q$prefix/foo$Q: reference broken | |
| EOF | |
| printf "%s\n" "update $prefix/symref $D $C" | | |
| test_must_fail git update-ref --stdin 2>output.err && | |
| test_cmp expected output.err | |
| ' | |
| test_expect_success 'no bogus intermediate values during delete' ' | |
| prefix=refs/slow-transaction && | |
| # Set up a reference with differing loose and packed versions: | |
| git update-ref $prefix/foo $C && | |
| git pack-refs --all && | |
| git update-ref $prefix/foo $D && | |
| git for-each-ref $prefix >unchanged && | |
| # Now try to update the reference, but hold the `packed-refs` lock | |
| # for a while to see what happens while the process is blocked: | |
| : >.git/packed-refs.lock && | |
| test_when_finished "rm -f .git/packed-refs.lock" && | |
| { | |
| # Note: the following command is intentionally run in the | |
| # background. We increase the timeout so that `update-ref` | |
| # attempts to acquire the `packed-refs` lock for longer than | |
| # it takes for us to do the check then delete it: | |
| git -c core.packedrefstimeout=3000 update-ref -d $prefix/foo & | |
| } && | |
| pid2=$! && | |
| # Give update-ref plenty of time to get to the point where it tries | |
| # to lock packed-refs: | |
| sleep 1 && | |
| # Make sure that update-ref did not complete despite the lock: | |
| kill -0 $pid2 && | |
| # Verify that the reference still has its old value: | |
| sha1=$(git rev-parse --verify --quiet $prefix/foo || echo undefined) && | |
| case "$sha1" in | |
| $D) | |
| # This is what we hope for; it means that nothing | |
| # user-visible has changed yet. | |
| : ;; | |
| undefined) | |
| # This is not correct; it means the deletion has happened | |
| # already even though update-ref should not have been | |
| # able to acquire the lock yet. | |
| echo "$prefix/foo deleted prematurely" && | |
| break | |
| ;; | |
| $C) | |
| # This value should never be seen. Probably the loose | |
| # reference has been deleted but the packed reference | |
| # is still there: | |
| echo "$prefix/foo incorrectly observed to be C" && | |
| break | |
| ;; | |
| *) | |
| # WTF? | |
| echo "unexpected value observed for $prefix/foo: $sha1" && | |
| break | |
| ;; | |
| esac >out && | |
| rm -f .git/packed-refs.lock && | |
| wait $pid2 && | |
| test_must_be_empty out && | |
| test_must_fail git rev-parse --verify --quiet $prefix/foo | |
| ' | |
| test_expect_success 'delete fails cleanly if packed-refs file is locked' ' | |
| prefix=refs/locked-packed-refs && | |
| # Set up a reference with differing loose and packed versions: | |
| git update-ref $prefix/foo $C && | |
| git pack-refs --all && | |
| git update-ref $prefix/foo $D && | |
| git for-each-ref $prefix >unchanged && | |
| # Now try to delete it while the `packed-refs` lock is held: | |
| : >.git/packed-refs.lock && | |
| test_when_finished "rm -f .git/packed-refs.lock" && | |
| test_must_fail git update-ref -d $prefix/foo >out 2>err && | |
| git for-each-ref $prefix >actual && | |
| test_i18ngrep "Unable to create $Q.*packed-refs.lock$Q: File exists" err && | |
| test_cmp unchanged actual | |
| ' | |
| test_done |