Andrew's git / gitweb.git /
438e7eb957dc3d206c4d1868415a4fd4802988b5
   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.
   6
   7USAGE='<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'
  16
  17. git-sh-setup
  18
  19GIT_PAGER=
  20export GIT_PAGER
  21
  22patch=
  23while   case "$#" in 0) break ;; esac
  24do
  25        case "$1" in
  26        -p)
  27                patch=-p ;;
  28        --)
  29                shift; break ;;
  30        -*)
  31                usage ;;
  32        *)
  33                break ;;
  34        esac
  35        shift
  36done
  37
  38base=$1 url=$2 head=${3-HEAD} status=0
  39
  40test -n "$base" && test -n "$url" || usage
  41baserev=$(git rev-parse --verify "$base"^0) &&
  42headrev=$(git rev-parse --verify "$head"^0) || exit
  43
  44merge_base=$(git merge-base $baserev $headrev) ||
  45die "fatal: No commits in common between $base and $head"
  46
  47find_matching_branch="/^$headrev        "'refs\/heads\//{
  48        s/^.*   refs\/heads\///
  49        p
  50        q
  51}'
  52branch=$(git ls-remote "$url" | sed -n -e "$find_matching_branch")
  53url=$(git ls-remote --get-url "$url")
  54
  55git show -s --format='The following changes since commit %H:
  56
  57  %s (%ci)
  58
  59are available in the git repository at:
  60' $baserev &&
  61echo "  $url${branch+ $branch}" &&
  62git show -s --format='
  63for you to fetch changes up to %H:
  64
  65  %s (%ci)
  66
  67----------------------------------------------------------------' $headrev &&
  68
  69git shortlog ^$baserev $headrev &&
  70git diff -M --stat --summary $patch $merge_base..$headrev || status=1
  71
  72if test -z "$branch"
  73then
  74        echo "warn: No branch of $url is at:" >&2
  75        git show -s --format='warn:   %h: %s' $headrev >&2
  76        echo "warn: Are you sure you pushed '$head' there?" >&2
  77        status=1
  78fi
  79exit $status