diff options
Diffstat (limited to 'git-request-pull.sh')
| -rwxr-xr-x | git-request-pull.sh | 143 |
1 files changed, 77 insertions, 66 deletions
diff --git a/git-request-pull.sh b/git-request-pull.sh index d566015975..d5500fde46 100755 --- a/git-request-pull.sh +++ b/git-request-pull.sh @@ -9,6 +9,7 @@ LONG_USAGE='Summarizes the changes between two commits to the standard output, and includes the given URL in the generated summary.' SUBDIRECTORY_OK='Yes' OPTIONS_KEEPDASHDASH= +OPTIONS_STUCKLONG= OPTIONS_SPEC='git request-pull [options] start url [end] -- p show patch text as well @@ -35,68 +36,94 @@ do shift done -base=$1 url=$2 head=${3-HEAD} status=0 branch_name= +base=$1 url=$2 status=0 -headref=$(git symbolic-ref -q "$head") -if git show-ref -q --verify "$headref" +test -n "$base" && test -n "$url" || usage + +baserev=$(git rev-parse --verify --quiet "$base"^0) +if test -z "$baserev" then - branch_name=${headref#refs/heads/} - if test "z$branch_name" = "z$headref" || - ! git config "branch.$branch_name.description" >/dev/null - then - branch_name= - fi + die "fatal: Not a valid revision: $base" fi -tag_name=$(git describe --exact "$head^0" 2>/dev/null) - -test -n "$base" && test -n "$url" || usage -baserev=$(git rev-parse --verify "$base"^0) && -headrev=$(git rev-parse --verify "$head"^0) || exit +# +# $3 must be a symbolic ref, a unique ref, or +# a SHA object expression. It can also be of +# the format 'local-name:remote-name'. +# +local=${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 "$head"^0) +test -z "$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.$branch_name.description" >/dev/null +then + branch_name= +fi merge_base=$(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 + +# Special case: turn "for_linus" to "tags/for_linus" when it is correct +if test "$ref" = "refs/tags/$pretty_remote" +then + pretty_remote=tags/$pretty_remote +fi url=$(git ls-remote --get-url "$url") @@ -106,7 +133,7 @@ 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: @@ -114,39 +141,23 @@ 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 |