@ -36,20 +36,7 @@ do
@@ -36,20 +36,7 @@ do
shift
done
base=$1 url=$2 head=${3-HEAD} status=0 branch_name=
headref=$(git symbolic-ref -q "$head")
if git show-ref -q --verify "$headref"
then
branch_name=${headref#refs/heads/}
if test "z$branch_name" = "z$headref" ||
! git config "branch.$branch_name.description" >/dev/null
then
branch_name=
fi
fi
tag_name=$(git describe --exact "$head^0" 2>/dev/null)
base=$1 url=$2 status=0
test -n "$base" && test -n "$url" || usage
@ -59,55 +46,78 @@ then
@@ -59,55 +46,78 @@ then
die "fatal: Not a valid revision: $base"
fi
#
# $3 must be a symbolic ref, a unique ref, or
# a SHA object expression. It can also be of
# the format 'local-name:remote-name'.
#
local=${3%:*}
local=${local:-HEAD}
remote=${3#*:}
pretty_remote=${remote#refs/}
pretty_remote=${pretty_remote#heads/}
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: $local"
# This also verifies that the resulting head is unique:
# "git show-ref" could have shown multiple matching refs..
headrev=$(git rev-parse --verify --quiet "$head"^0)
if test -z "$headrev"
test -z "$headrev" && die "fatal: Ambiguous revision: $local"
# Was it a branch with a description?
branch_name=${head#refs/heads/}
if test "z$branch_name" = "z$headref" ||
! git config "branch.$branch_name.description" >/dev/null
then
die "fatal: Not a valid revision: $head"
branch_name=
fi
merge_base=$(git merge-base $baserev $headrev) ||
die "fatal: No commits in common between $base and $head"
# $head is the token given from the command line, and $tag_name, if
# exists, is the tag we are going to show the commit information for.
# If that tag exists at the remote and it points at the commit, use it.
# Otherwise, if a branch with the same name as $head exists at the remote
# and their values match, use that instead.
# $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_matching_ref='
sub abbr {
my $ref = shift;
if ($ref =~ s|^refs/heads/|| || $ref =~ s|^refs/tags/|tags/|) {
return $ref;
} else {
return $ref;
}
}
my ($head,$headrev) = (@ARGV);
my ($found);
my ($tagged, $branch, $found);
while (<STDIN>) {
my ($sha1, $ref, $deref) = /^(\S+)\s+(\S+?)(\^\{\})?$/;
next unless ($sha1 eq $ARGV[1]);
$found = abbr($ref);
if ($deref && $ref eq "tags/$ARGV[2]") {
$tagged = $found;
last;
chomp;
my ($sha1, $ref, $deref) = /^(\S+)\s+([^^]+)(\S*)$/;
my ($pattern);
next unless ($sha1 eq $headrev);
$pattern="/$head\$";
if ($ref eq $head) {
$found = $ref;
}
if ($ref =~ /$pattern/) {
$found = $ref;
}
if ($ref =~ m|/\Q$ARGV[0]\E$|) {
$exact = $found;
if ($sha1 eq $head) {
$found = $sha1;
}
}
if ($tagged) {
print "$tagged\n";
} elsif ($exact) {
print "$exact\n";
} elsif ($found) {
if ($found) {
print "$found\n";
}
'
ref=$(git ls-remote "$url" | @@PERL@@ -e "$find_matching_ref" "$head" "$headrev" "$tag_name")
ref=$(git ls-remote "$url" | @@PERL@@ -e "$find_matching_ref" "${remote:-HEAD}" "$headrev")
if test -z "$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
fi
url=$(git ls-remote --get-url "$url")
@ -117,7 +127,7 @@ git show -s --format='The following changes since commit %H:
@@ -117,7 +127,7 @@ git show -s --format='The following changes since commit %H:
are available in the git repository at:
' $merge_base &&
echo " $url${ref+ $ref}" &&
echo " $url $pretty_remote" &&
git show -s --format='
for you to fetch changes up to %H:
@ -125,39 +135,23 @@ for you to fetch changes up to %H:
@@ -125,39 +135,23 @@ for you to fetch changes up to %H:
----------------------------------------------------------------' $headrev &&
if test -n "$branch_name"
if test $(git cat-file -t "$head") = tag
then
echo "(from the branch description for $branch_name local branch)"
echo
git config "branch.$branch_name.description"
fi &&
if test -n "$tag_name"
then
if test -z "$ref" || test "$ref" != "tags/$tag_name"
then
echo >&2 "warn: You locally have $tag_name but it does not (yet)"
echo >&2 "warn: appear to be at $url"
echo >&2 "warn: Do you want to push it there, perhaps?"
fi
git cat-file tag "$tag_name" |
git cat-file tag "$head" |
sed -n -e '1,/^$/d' -e '/^-----BEGIN PGP /q' -e p
echo
echo "----------------------------------------------------------------"
fi &&
if test -n "$branch_name" || test -n "$tag_name"
if test -n "$branch_name"
then
echo "(from the branch description for $branch_name local branch)"
echo
git config "branch.$branch_name.description"
echo "----------------------------------------------------------------"
fi &&
git shortlog ^$baserev $headrev &&
git diff -M --stat --summary $patch $merge_base..$headrev || status=1
if test -z "$ref"
then
echo "warn: No branch of $url is at:" >&2
git show -s --format='warn: %h: %s' $headrev >&2
echo "warn: Are you sure you pushed '$head' there?" >&2
status=1
fi
exit $status
Junio C Hamano
11 years ago