diff options
Diffstat (limited to 'third_party/git/t/t1404-update-ref-errors.sh')
| -rwxr-xr-x | third_party/git/t/t1404-update-ref-errors.sh | 637 |
1 files changed, 0 insertions, 637 deletions
diff --git a/third_party/git/t/t1404-update-ref-errors.sh b/third_party/git/t/t1404-update-ref-errors.sh deleted file mode 100755 index 970c5c36b9..0000000000 --- a/third_party/git/t/t1404-update-ref-errors.sh +++ /dev/null @@ -1,637 +0,0 @@ -#!/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" $create >input && - test_must_fail git update-ref --stdin <input 2>output.err && - test_i18ngrep -F "$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 $D" - fi >commands && - test_must_fail git update-ref --stdin <commands 2>output.err && - test_i18ncmp expected-err output.err && - printf "%s\n" "$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 much longer - # than it takes for us to do the check then delete it: - git -c core.packedrefstimeout=30000 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: " err && - test_cmp unchanged actual -' - -test_expect_success 'delete fails cleanly if packed-refs.new write fails' ' - # Setup and expectations are similar to the test above. - prefix=refs/failed-packed-refs && - git update-ref $prefix/foo $C && - git pack-refs --all && - git update-ref $prefix/foo $D && - git for-each-ref $prefix >unchanged && - # This should not happen in practice, but it is an easy way to get a - # reliable error (we open with create_tempfile(), which uses O_EXCL). - : >.git/packed-refs.new && - test_when_finished "rm -f .git/packed-refs.new" && - test_must_fail git update-ref -d $prefix/foo && - git for-each-ref $prefix >actual && - test_cmp unchanged actual -' - -test_done |