git-gerrit-push

   1 #!/usr/bin/env bash
   2 #=============================================================================
   3 # Copyright 2010-2015 Kitware, Inc.
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16 #=============================================================================
  17
  18 USAGE="[<remote>] [--no-topic] [--dry-run] [--]"
  19 OPTIONS_SPEC=
  20 SUBDIRECTORY_OK=Yes
  21 . "$(git --exec-path)/git-sh-setup"
  22
  23 #-----------------------------------------------------------------------------
  24
  25 remote=''
  26 refspecs=''
  27 no_topic=''
  28 dry_run=''
  29
  30 # Parse the command line options.
  31 while test $# != 0; do
  32         case "$1" in
  33                 --no-topic) no_topic=1 ;;
  34                 --dry-run)  dry_run=--dry-run ;;
  35                 --) shift; break ;;
  36                 -*) usage ;;
  37                 *) test -z "$remote" || usage ; remote="$1" ;;
  38         esac
  39         shift
  40 done
  41 test $# = 0 || usage
  42
  43 # Default remote.
  44 test -n "$remote" || remote="gerrit"
  45
  46 if test -z "$no_topic"; then
  47         # Identify and validate the topic branch name.
  48         head="$(git symbolic-ref HEAD)" && topic="${head#refs/heads/}" || topic=''
  49         if test -z "$topic" -o "$topic" = "master"; then
  50                 die 'Please name your topic:
  51                 git checkout -b descriptive-name'
  52         fi
  53         # The topic branch will be pushed by name.
  54         refspecs="HEAD:refs/for/master/$topic $refspecs"
  55 fi
  56
  57 # Fetch the current upstream master branch head.
  58 # This helps computation of a minimal pack to push.
  59 echo "Fetching $remote master"
  60 fetch_out=$(git fetch "$remote" master 2>&1) || die "$fetch_out"
  61
  62 # Exit early if we have nothing to push.
  63 if test -z "$refspecs"; then
  64         echo 'Nothing to push!'
  65         exit 0
  66 fi
  67
  68 # Push.  Save output and exit code.
  69 echo "Pushing to $remote"
  70 push_stdout=$(git push --porcelain $dry_run "$remote" $refspecs); push_exit=$?
  71 echo "$push_stdout"
  72
  73 # Reproduce the push exit code.
  74 exit $push_exit