git/t/t3800-mktag.sh
Ævar Arnfjörð Bjarmason 2f61b3eef3 mktag tests: test fast-export
Pass the bad tags we've created in the mktag tests through
fast-export, it will die on the bad object or ref, let's make sure
that happens.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-06-28 09:30:41 -07:00

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#!/bin/sh
#
#
test_description='git mktag: tag object verify test'
. ./test-lib.sh
###########################################################
# check the tag.sig file, expecting verify_tag() to fail,
# and checking that the error message matches the pattern
# given in the expect.pat file.
check_verify_failure () {
subject=$1 &&
message=$2 &&
shift 2 &&
no_strict= &&
fsck_obj_ok= &&
no_strict= &&
while test $# != 0
do
case "$1" in
--no-strict)
no_strict=yes
;;
--fsck-obj-ok)
fsck_obj_ok=yes
;;
esac &&
shift
done &&
test_expect_success "fail with [--[no-]strict]: $subject" '
test_must_fail git mktag <tag.sig 2>err &&
if test -z "$no_strict"
then
test_must_fail git mktag <tag.sig 2>err2 &&
test_cmp err err2
else
git mktag --no-strict <tag.sig
fi
'
test_expect_success "setup: $subject" '
tag_ref=refs/tags/bad_tag &&
# Reset any leftover state from the last $subject
rm -rf bad-tag &&
git init --bare bad-tag &&
bad_tag=$(git -C bad-tag hash-object -t tag -w --stdin --literally <tag.sig)
'
test_expect_success "hash-object & fsck unreachable: $subject" '
if test -n "$fsck_obj_ok"
then
git -C bad-tag fsck
else
test_must_fail git -C bad-tag fsck
fi
'
test_expect_success "update-ref & fsck reachable: $subject" '
# Make sure the earlier test created it for us
git rev-parse "$bad_tag" &&
# The update-ref of the bad content will fail, do it
# anyway to see if it segfaults
test_might_fail git -C bad-tag update-ref "$tag_ref" "$bad_tag" &&
# Manually create the broken, we cannot do it with
# update-ref
echo "$bad_tag" >"bad-tag/$tag_ref" &&
# Unlike fsck-ing unreachable content above, this
# will always fail.
test_must_fail git -C bad-tag fsck
'
test_expect_success "for-each-ref: $subject" '
# Make sure the earlier test created it for us
git rev-parse "$bad_tag" &&
echo "$bad_tag" >"bad-tag/$tag_ref" &&
printf "%s tag\t%s\n" "$bad_tag" "$tag_ref" >expected &&
git -C bad-tag for-each-ref "$tag_ref" >actual &&
test_cmp expected actual &&
test_must_fail git -C bad-tag for-each-ref --format="%(*objectname)"
'
test_expect_success "fast-export & fast-import: $subject" '
# Make sure the earlier test created it for us
git rev-parse "$bad_tag" &&
test_must_fail git -C bad-tag fast-export --all &&
test_must_fail git -C bad-tag fast-export "$bad_tag"
'
}
test_expect_mktag_success() {
test_expect_success "$1" '
git hash-object -t tag -w --stdin <tag.sig >expected &&
git fsck --strict &&
git mktag <tag.sig >hash &&
test_cmp expected hash &&
test_when_finished "git update-ref -d refs/tags/mytag $(cat hash)" &&
git update-ref refs/tags/mytag $(cat hash) $(test_oid zero) &&
git fsck --strict
'
}
###########################################################
# first create a commit, so we have a valid object/type
# for the tag.
test_expect_success 'setup' '
test_commit A &&
test_commit B &&
head=$(git rev-parse --verify HEAD) &&
head_parent=$(git rev-parse --verify HEAD~) &&
tree=$(git rev-parse HEAD^{tree}) &&
blob=$(git rev-parse --verify HEAD:B.t)
'
test_expect_success 'basic usage' '
cat >tag.sig <<-EOF &&
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> 1206478233 -0500
EOF
git mktag <tag.sig &&
git mktag --end-of-options <tag.sig &&
test_expect_code 129 git mktag --unknown-option
'
############################################################
# 1. length check
cat >tag.sig <<EOF
too short for a tag
EOF
check_verify_failure 'Tag object length check' \
'^error:.* missingObject:' 'strict'
############################################################
# 2. object line label check
cat >tag.sig <<EOF
xxxxxx $head
type tag
tag mytag
tagger . <> 0 +0000
EOF
check_verify_failure '"object" line label check' '^error:.* missingObject:'
############################################################
# 3. object line hash check
cat >tag.sig <<EOF
object $(echo $head | tr 0-9a-f z)
type tag
tag mytag
tagger . <> 0 +0000
EOF
check_verify_failure '"object" line check' '^error:.* badObjectSha1:'
############################################################
# 4. type line label check
cat >tag.sig <<EOF
object $head
xxxx tag
tag mytag
tagger . <> 0 +0000
EOF
check_verify_failure '"type" line label check' '^error:.* missingTypeEntry:'
############################################################
# 5. type line eol check
echo "object $head" >tag.sig
printf "type tagsssssssssssssssssssssssssssssss" >>tag.sig
check_verify_failure '"type" line eol check' '^error:.* unterminatedHeader:'
############################################################
# 6. tag line label check #1
cat >tag.sig <<EOF
object $head
type tag
xxx mytag
tagger . <> 0 +0000
EOF
check_verify_failure '"tag" line label check #1' \
'^error:.* missingTagEntry:'
############################################################
# 7. tag line label check #2
cat >tag.sig <<EOF
object $head
type taggggggggggggggggggggggggggggggg
tag
EOF
check_verify_failure '"tag" line label check #2' \
'^error:.* badType:'
############################################################
# 8. type line type-name length check
cat >tag.sig <<EOF
object $head
type taggggggggggggggggggggggggggggggg
tag mytag
EOF
check_verify_failure '"type" line type-name length check' \
'^error:.* badType:'
############################################################
# 9. verify object (hash/type) check
cat >tag.sig <<EOF
object $(test_oid deadbeef)
type tag
tag mytag
tagger . <> 0 +0000
EOF
check_verify_failure 'verify object (hash/type) check -- correct type, nonexisting object' \
'^fatal: could not read tagged object' \
--fsck-obj-ok
cat >tag.sig <<EOF
object $head
type tagggg
tag mytag
tagger . <> 0 +0000
EOF
check_verify_failure 'verify object (hash/type) check -- made-up type, valid object' \
'^error:.* badType:'
cat >tag.sig <<EOF
object $(test_oid deadbeef)
type tagggg
tag mytag
tagger . <> 0 +0000
EOF
check_verify_failure 'verify object (hash/type) check -- made-up type, nonexisting object' \
'^error:.* badType:'
cat >tag.sig <<EOF
object $head
type tree
tag mytag
tagger . <> 0 +0000
EOF
check_verify_failure 'verify object (hash/type) check -- mismatched type, valid object' \
'^fatal: object.*tagged as.*tree.*but is.*commit' \
--fsck-obj-ok
############################################################
# 9.5. verify object (hash/type) check -- replacement
test_expect_success 'setup replacement of commit -> commit and tree -> blob' '
git replace $head_parent $head &&
git replace -f $tree $blob
'
cat >tag.sig <<EOF
object $head_parent
type commit
tag mytag
tagger . <> 0 +0000
EOF
test_expect_mktag_success 'tag to a commit replaced by another commit'
cat >tag.sig <<EOF
object $tree
type tree
tag mytag
tagger . <> 0 +0000
EOF
check_verify_failure 'verify object (hash/type) check -- mismatched type, valid object' \
'^fatal: object.*tagged as.*tree.*but is.*blob' \
--fsck-obj-ok
############################################################
# 10. verify tag-name check
cat >tag.sig <<EOF
object $head
type commit
tag my tag
tagger . <> 0 +0000
EOF
check_verify_failure 'verify tag-name check' \
'^error:.* badTagName:' \
--no-strict \
--fsck-obj-ok
############################################################
# 11. tagger line label check #1
cat >tag.sig <<EOF
object $head
type commit
tag mytag
This is filler
EOF
check_verify_failure '"tagger" line label check #1' \
'^error:.* missingTaggerEntry:' \
--no-strict \
--fsck-obj-ok
############################################################
# 12. tagger line label check #2
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger
This is filler
EOF
check_verify_failure '"tagger" line label check #2' \
'^error:.* missingTaggerEntry:' \
--no-strict \
--fsck-obj-ok
############################################################
# 13. allow missing tag author name like fsck
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger <> 0 +0000
This is filler
EOF
test_expect_mktag_success 'allow missing tag author name'
############################################################
# 14. disallow missing tag author name
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <
> 0 +0000
EOF
check_verify_failure 'disallow malformed tagger' \
'^error:.* badEmail:' \
--no-strict \
--fsck-obj-ok
############################################################
# 15. allow empty tag email
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <> 0 +0000
EOF
test_expect_mktag_success 'allow empty tag email'
############################################################
# 16. allow spaces in tag email like fsck
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tag ger@example.com> 0 +0000
EOF
test_expect_mktag_success 'allow spaces in tag email like fsck'
############################################################
# 17. disallow missing tag timestamp
tr '_' ' ' >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com>__
EOF
check_verify_failure 'disallow missing tag timestamp' \
'^error:.* badDate:'
############################################################
# 18. detect invalid tag timestamp1
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> Tue Mar 25 15:47:44 2008
EOF
check_verify_failure 'detect invalid tag timestamp1' \
'^error:.* badDate:'
############################################################
# 19. detect invalid tag timestamp2
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> 2008-03-31T12:20:15-0500
EOF
check_verify_failure 'detect invalid tag timestamp2' \
'^error:.* badDate:'
############################################################
# 20. detect invalid tag timezone1
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> 1206478233 GMT
EOF
check_verify_failure 'detect invalid tag timezone1' \
'^error:.* badTimezone:'
############################################################
# 21. detect invalid tag timezone2
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> 1206478233 + 30
EOF
check_verify_failure 'detect invalid tag timezone2' \
'^error:.* badTimezone:'
############################################################
# 22. allow invalid tag timezone3 (the maximum is -1200/+1400)
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> 1206478233 -1430
EOF
test_expect_mktag_success 'allow invalid tag timezone'
############################################################
# 23. detect invalid header entry
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> 1206478233 -0500
this line should not be here
EOF
check_verify_failure 'detect invalid header entry' \
'^error:.* extraHeaderEntry:' \
--no-strict \
--fsck-obj-ok
test_expect_success 'invalid header entry config & fsck' '
test_must_fail git mktag <tag.sig &&
git mktag --no-strict <tag.sig &&
test_must_fail git -c fsck.extraHeaderEntry=error mktag <tag.sig &&
test_must_fail git -c fsck.extraHeaderEntry=error mktag --no-strict <tag.sig &&
test_must_fail git -c fsck.extraHeaderEntry=warn mktag <tag.sig &&
git -c fsck.extraHeaderEntry=warn mktag --no-strict <tag.sig &&
git -c fsck.extraHeaderEntry=ignore mktag <tag.sig &&
git -c fsck.extraHeaderEntry=ignore mktag --no-strict <tag.sig &&
git fsck &&
git -c fsck.extraHeaderEntry=warn fsck 2>err &&
grep "warning .*extraHeaderEntry:" err &&
test_must_fail git -c fsck.extraHeaderEntry=error 2>err fsck &&
grep "error .* extraHeaderEntry:" err
'
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> 1206478233 -0500
this line comes after an extra newline
EOF
test_expect_mktag_success 'allow extra newlines at start of body'
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> 1206478233 -0500
EOF
test_expect_mktag_success 'allow a blank line before an empty body (1)'
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> 1206478233 -0500
EOF
test_expect_mktag_success 'allow no blank line before an empty body (2)'
############################################################
# 24. create valid tag
cat >tag.sig <<EOF
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> 1206478233 -0500
EOF
test_expect_mktag_success 'create valid tag object'
test_done