#
# $3 must be a symbolic ref, a unique ref, or
-# a SHA object expression
+# a SHA object expression. It can also be of
+# the format 'local-name:remote-name'.
#
-head=$(git symbolic-ref -q "${3-HEAD}")
-head=${head:-$(git show-ref "${3-HEAD}" | cut -d' ' -f2)}
-head=${head:-$(git rev-parse --quiet --verify "$3")}
+local=${3%:*}
+local=${local:-HEAD}
+remote=${3#*:}
+head=$(git symbolic-ref -q "$local")
+head=${head:-$(git show-ref --heads --tags "$local" | cut -d' ' -f2)}
+head=${head:-$(git rev-parse --quiet --verify "$local")}
# None of the above? Bad.
-test -z "$head" && die "fatal: Not a valid revision: $3"
+test -z "$head" && die "fatal: Not a valid revision: $local"
# This also verifies that the resulting head is unique:
# "git show-ref" could have shown multiple matching refs..
headrev=$(git rev-parse --verify --quiet "$head"^0)
-test -z "$headrev" && die "fatal: Ambiguous revision: $3"
+test -z "$headrev" && die "fatal: Ambiguous revision: $local"
# Was it a branch with a description?
branch_name=${head#refs/heads/}
branch_name=
fi
-prettyhead=${head#refs/}
-prettyhead=${prettyhead#heads/}
-
merge_base=$(git merge-base $baserev $headrev) ||
die "fatal: No commits in common between $base and $head"
#
# Otherwise find a random ref that matches $headrev.
find_matching_ref='
- my ($exact,$found);
+ my ($head,$headrev) = (@ARGV);
+ my ($found);
+
while (<STDIN>) {
+ chomp;
my ($sha1, $ref, $deref) = /^(\S+)\s+([^^]+)(\S*)$/;
- next unless ($sha1 eq $ARGV[1]);
- if ($ref eq $ARGV[0]) {
- $exact = $ref;
+ my ($pattern);
+ next unless ($sha1 eq $headrev);
+
+ $pattern="/$head\$";
+ if ($ref eq $head) {
+ $found = $ref;
+ }
+ if ($ref =~ /$pattern/) {
+ $found = $ref;
}
- if ($sha1 eq $ARGV[0]) {
+ if ($sha1 eq $head) {
$found = $sha1;
}
}
- if ($exact) {
- print "$exact\n";
- } elsif ($found) {
+ if ($found) {
print "$found\n";
}
'
-ref=$(git ls-remote "$url" | @@PERL@@ -e "$find_matching_ref" "$head" "$headrev")
+ref=$(git ls-remote "$url" | @@PERL@@ -e "$find_matching_ref" "${remote:-HEAD}" "$headrev")
if test -z "$ref"
then
- echo "warn: No match for $prettyhead found at $url" >&2
- echo "warn: Are you sure you pushed '$prettyhead' there?" >&2
+ echo "warn: No match for commit $headrev found at $url" >&2
+ echo "warn: Are you sure you pushed '${remote:-HEAD}' there?" >&2
status=1
fi
are available in the git repository at:
' $merge_base &&
-echo " $url $prettyhead" &&
+echo " $url $remote" &&
git show -s --format='
for you to fetch changes up to %H: