Andrew's git / gitweb.git /
c1619ff1400f68300d5026a00baf72e27f268ba1
   1#!/bin/sh
   2#
   3# Copyright (c) 2005 Junio C Hamano.
   4#
   5
   6USAGE='<upstream> [<head>]'
   7. git-sh-setup
   8
   9case $# in 1|2) ;; *) usage ;; esac
  10
  11# Make sure we do not have .dotest
  12if mkdir .dotest
  13then
  14        rmdir .dotest
  15else
  16        echo >&2 '
  17It seems that I cannot create a .dotest directory, and I wonder if you
  18are in the middle of patch application or another rebase.  If that is not
  19the case, please rm -fr .dotest and run me again.  I am stopping in case
  20you still have something valuable there.'
  21        exit 1
  22fi
  23
  24# The other head is given.  Make sure it is valid.
  25other=$(git-rev-parse --verify "$1^0") || usage
  26
  27# Make sure we have HEAD that is valid.
  28head=$(git-rev-parse --verify "HEAD^0") || exit
  29
  30# The tree must be really really clean.
  31git-update-index --refresh || exit
  32diff=$(git-diff-index --cached --name-status -r HEAD)
  33case "$different" in
  34?*)     echo "$diff"
  35        exit 1
  36        ;;
  37esac
  38
  39# If the branch to rebase is given, first switch to it.
  40case "$#" in
  412)
  42        head=$(git-rev-parse --verify "$2^") || usage
  43        git-checkout "$2" || usage
  44esac
  45
  46# If the HEAD is a proper descendant of $other, we do not even need
  47# to rebase.  Make sure we do not do needless rebase.  In such a
  48# case, merge-base should be the same as "$other".
  49mb=$(git-merge-base "$other" "$head")
  50if test "$mb" = "$other"
  51then
  52        echo >&2 "Current branch `git-symbolic-ref HEAD` is up to date."
  53        exit 0
  54fi
  55
  56# Rewind the head to "$other"
  57git-reset --hard "$other"
  58git-format-patch -k --stdout --full-index "$other" ORIG_HEAD |
  59git am --binary -3 -k