Andrew's git - gitweb.git/blob - git-request-pull.sh

   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 branch_name=
  39
  40headref=$(git symbolic-ref -q "$head")
  41if git show-ref -q --verify "$headref"
  42then
  43        branch_name=${headref#refs/heads/}
  44        if test "z$branch_name" = "z$headref" ||
  45                ! git config "branch.$branch_name.description" >/dev/null
  46        then
  47                branch_name=
  48        fi
  49fi
  50
  51test -n "$base" && test -n "$url" || usage
  52baserev=$(git rev-parse --verify "$base"^0) &&
  53headrev=$(git rev-parse --verify "$head"^0) || exit
  54
  55merge_base=$(git merge-base $baserev $headrev) ||
  56die "fatal: No commits in common between $base and $head"
  57
  58find_matching_branch="/^$headrev        "'refs\/heads\//{
  59        s/^.*   refs\/heads\///
  60        p
  61        q
  62}'
  63branch=$(git ls-remote "$url" | sed -n -e "$find_matching_branch")
  64url=$(git ls-remote --get-url "$url")
  65
  66git show -s --format='The following changes since commit %H:
  67
  68  %s (%ci)
  69
  70are available in the git repository at:
  71' $baserev &&
  72echo "  $url${branch+ $branch}" &&
  73git show -s --format='
  74for you to fetch changes up to %H:
  75
  76  %s (%ci)
  77
  78----------------------------------------------------------------' $headrev &&
  79
  80if test -n "$branch_name"
  81then
  82        echo "(from the branch description for $branch local branch)"
  83        echo
  84        git config "branch.$branch_name.description"
  85        echo "----------------------------------------------------------------"
  86fi &&
  87git shortlog ^$baserev $headrev &&
  88git diff -M --stat --summary $patch $merge_base..$headrev || status=1
  89
  90if test -z "$branch"
  91then
  92        echo "warn: No branch of $url is at:" >&2
  93        git show -s --format='warn:   %h: %s' $headrev >&2
  94        echo "warn: Are you sure you pushed '$head' there?" >&2
  95        status=1
  96fi
  97exit $status