diff options
| -rwxr-xr-x | git-request-pull.sh | 43 | ||||
| -rwxr-xr-x | t/t5150-request-pull.sh | 35 |
2 files changed, 63 insertions, 15 deletions
diff --git a/git-request-pull.sh b/git-request-pull.sh index 0d128be7fd..2d0e44656c 100755 --- a/git-request-pull.sh +++ b/git-request-pull.sh @@ -65,6 +65,8 @@ test -z "$head" && die "fatal: Not a valid revision: $local" headrev=$(git rev-parse --verify --quiet "$head"^0) test -z "$headrev" && die "fatal: Ambiguous revision: $local" +local_sha1=$(git rev-parse --verify --quiet "$head") + # Was it a branch with a description? branch_name=${head#refs/heads/} if test "z$branch_name" = "z$headref" || @@ -77,42 +79,53 @@ merge_base=$(git merge-base $baserev $headrev) || die "fatal: No commits in common between $base and $head" # $head is the refname from the command line. -# If a ref with the same name as $head exists at the remote -# and their values match, use that. -# -# Otherwise find a random ref that matches $headrev. +# Find a ref with the same name as $head that exists at the remote +# and points to the same commit as the local object. find_matching_ref=' my ($head,$headrev) = (@ARGV); my $pattern = qr{/\Q$head\E$}; - my ($found); + my ($remote_sha1, $found); while (<STDIN>) { chomp; my ($sha1, $ref, $deref) = /^(\S+)\s+([^^]+)(\S*)$/; - next unless ($sha1 eq $headrev); - if ($ref eq $head) { - $found = $ref; - } - if ($ref =~ $pattern) { - $found = $ref; - } if ($sha1 eq $head) { - $found = $sha1; + $found = $remote_sha1 = $sha1; + break; + } + + if ($ref eq $head || $ref =~ $pattern) { + if ($deref eq "") { + # Remember the matching object on the remote side + $remote_sha1 = $sha1; + } + if ($sha1 eq $headrev) { + $found = $ref; + break; + } } } if ($found) { - print "$found\n"; + $remote_sha1 = $headrev if ! defined $remote_sha1; + print "$remote_sha1 $found\n"; } ' -ref=$(git ls-remote "$url" | @@PERL@@ -e "$find_matching_ref" "${remote:-HEAD}" "$headrev") +set fnord $(git ls-remote "$url" | @@PERL@@ -e "$find_matching_ref" "${remote:-HEAD}" "$headrev") +remote_sha1=$2 +ref=$3 if test -z "$ref" then echo "warn: No match for commit $headrev found at $url" >&2 echo "warn: Are you sure you pushed '${remote:-HEAD}' there?" >&2 status=1 +elif test "$local_sha1" != "$remote_sha1" +then + echo "warn: $head found at $url but points to a different object" >&2 + echo "warn: Are you sure you pushed '${remote:-HEAD}' there?" >&2 + status=1 fi # Special case: turn "for_linus" to "tags/for_linus" when it is correct diff --git a/t/t5150-request-pull.sh b/t/t5150-request-pull.sh index c1a821a549..852dcd913f 100755 --- a/t/t5150-request-pull.sh +++ b/t/t5150-request-pull.sh @@ -264,4 +264,39 @@ test_expect_success 'request-pull quotes regex metacharacters properly' ' ' +test_expect_success 'pull request with mismatched object' ' + + rm -fr downstream.git && + git init --bare downstream.git && + ( + cd local && + git checkout initial && + git merge --ff-only master && + git push origin HEAD:refs/tags/full && + test_must_fail git request-pull initial "$downstream_url" tags/full \ + 2>../err + ) && + grep "points to a different object" err && + grep "Are you sure you pushed" err + +' + +test_expect_success 'pull request with stale object' ' + + rm -fr downstream.git && + git init --bare downstream.git && + ( + cd local && + git checkout initial && + git merge --ff-only master && + git push origin refs/tags/full && + git tag -f -m"Thirty-one days" full && + test_must_fail git request-pull initial "$downstream_url" tags/full \ + 2>../err + ) && + grep "points to a different object" err && + grep "Are you sure you pushed" err + +' + test_done |