Andrew's git - gitweb.git/blob

   1#!/bin/sh
   2#
   3# Copyright (c) 2005 Junio C Hamano
   4#
   5# Fetch one or more remote refs and merge it/them into the current HEAD.
   6
   7. git-sh-setup || die "Not a git archive"
   8
   9orig_head=$(cat "$GIT_DIR/HEAD") || die "Pulling into a black hole?"
  10git-fetch --update-head-ok "$@" || exit 1
  11
  12curr_head=$(cat "$GIT_DIR/HEAD")
  13if test "$curr_head" != "$orig_head"
  14then
  15        # The fetch involved updating the current branch.
  16
  17        # The working tree and the index file is still based on the
  18        # $orig_head commit, but we are merging into $curr_head.
  19        # First update the working tree to match $curr_head.
  20
  21        echo >&2 "Warning: fetch updated the current branch head."
  22        echo >&2 "Warning: fast forwarding your working tree."
  23        git-read-tree -u -m "$orig_head" "$curr_head" ||
  24                die "You need to first update your working tree."
  25fi
  26
  27merge_head=$(sed -e 's/ .*//' "$GIT_DIR"/FETCH_HEAD | tr '\012' ' ')
  28merge_name=$(
  29    perl -e 'print join("; ", map { chomp; s/^[0-9a-f]* //; $_ } <>)' \
  30    "$GIT_DIR"/FETCH_HEAD
  31)
  32
  33case "$merge_head" in
  34'')
  35        echo >&2 "No changes."
  36        exit 0
  37        ;;
  38*' '?*)
  39        echo >&2 "Pulling more than one heads; making an Octopus."
  40        exec git-octopus
  41        ;;
  42esac
  43
  44git-resolve \
  45        "$(cat "$GIT_DIR"/HEAD)" \
  46        $merge_head "Merge $merge_name"