Andrew's git - gitweb.git/blob

   1#!/bin/sh
   2#
   3# Copyright (c) 2005 Junio C Hamano.
   4#
   5
   6USAGE='<upstream> [<head>]'
   7. git-sh-setup
   8
   9case $# in 1|2) ;; *) usage ;; esac
  10
  11# Make sure we do not have .dotest
  12if mkdir .dotest
  13then
  14        rmdir .dotest
  15else
  16        echo >&2 '
  17It seems that I cannot create a .dotest directory, and I wonder if you
  18are in the middle of patch application or another rebase.  If that is not
  19the case, please rm -fr .dotest and run me again.  I am stopping in case
  20you still have something valuable there.'
  21        exit 1
  22fi
  23
  24# The tree must be really really clean.
  25git-update-index --refresh || exit
  26diff=$(git-diff-index --cached --name-status -r HEAD)
  27case "$diff" in
  28?*)     echo "$diff"
  29        exit 1
  30        ;;
  31esac
  32
  33# The other head is given.  Make sure it is valid.
  34other=$(git-rev-parse --verify "$1^0") || usage
  35
  36# Make sure the branch to rebase is valid.
  37head=$(git-rev-parse --verify "${2-HEAD}^0") || exit
  38
  39# If a hook exists, give it a chance to interrupt
  40if test -x "$GIT_DIR/hooks/pre-rebase"
  41then
  42        "$GIT_DIR/hooks/pre-rebase" ${1+"$@"} || {
  43                echo >&2 "The pre-rebase hook refused to rebase."
  44                exit 1
  45        }
  46fi
  47
  48# If the branch to rebase is given, first switch to it.
  49case "$#" in
  502)
  51        git-checkout "$2" || usage
  52esac
  53
  54mb=$(git-merge-base "$other" "$head")
  55
  56# Check if we are already based on $other.
  57if test "$mb" = "$other"
  58then
  59        echo >&2 "Current branch `git-symbolic-ref HEAD` is up to date."
  60        exit 0
  61fi
  62
  63# Rewind the head to "$other"
  64git-reset --hard "$other"
  65
  66# If the $other is a proper descendant of the tip of the branch, then
  67# we just fast forwarded.
  68if test "$mb" = "$head"
  69then
  70        echo >&2 "Fast-forwarded $head to $other."
  71        exit 0
  72fi
  73
  74git-format-patch -k --stdout --full-index "$other" ORIG_HEAD |
  75git am --binary -3 -k