1#!/bin/sh
2# Copyright 2005, Ryan Anderson <ryan@michonline.com>
3#
4# This file is licensed under the GPL v2, or a later version
5# at the discretion of Linus Torvalds.
67
USAGE='<start> <url> [<end>]'
8LONG_USAGE='Summarizes the changes between two commits to the standard output,
9and includes the given URL in the generated summary.'
10SUBDIRECTORY_OK='Yes'
11OPTIONS_KEEPDASHDASH=
12OPTIONS_SPEC='git request-pull [options] start url [end]
13--
14p show patch text as well
15'
1617
. git-sh-setup
1819
GIT_PAGER=
20export GIT_PAGER
2122
patch=
23while case "$#" in 0) break ;; esac
24do
25case "$1" in
26-p)
27patch=-p ;;
28--)
29shift; break ;;
30-*)
31usage ;;
32*)
33break ;;
34esac
35shift
36done
3738
base=$1 url=$2 head=${3-HEAD}
3940
test -n "$base" && test -n "$url" || usage
41baserev=$(git rev-parse --verify "$base"^0) &&
42headrev=$(git rev-parse --verify "$head"^0) || exit
4344
merge_base=$(git merge-base $baserev $headrev) ||
45die "fatal: No commits in common between $base and $head"
4647
find_matching_branch="/^$headrev "'refs\/heads\//{
48s/^.* refs\/heads\///
49p
50q
51}'
52branch=$(git ls-remote "$url" | sed -n -e "$find_matching_branch")
53url=$(git ls-remote --get-url "$url")
54if test -z "$branch"
55then
56echo "warn: No branch of $url is at:" >&2
57git log --max-count=1 --pretty='tformat:warn: %h: %s' $headrev >&2
58echo "warn: Are you sure you pushed $head there?" >&2
59echo >&2
60echo >&2
61branch=..BRANCH.NOT.VERIFIED..
62status=1
63fi
6465
git show -s --format='The following changes since commit %H:
6667
%s (%ci)
6869
are available in the git repository at:' $baserev &&
70echo " $url $branch" &&
71echo &&
7273
git shortlog ^$baserev $headrev &&
74git diff -M --stat --summary $patch $merge_base..$headrev || exit
75exit $status