summaryrefslogtreecommitdiff
path: root/git/merge.sh
blob: 898a0c0e2075a03fd5a27a863228141ceb821539 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#! /bin/sh

# Assume this script never run via PATH.
#
self=`realpath $0`
. `dirname $self`/modules

wd=`pwd`

if [ "$1" = "" ]; then
  echo "source branch name expected" 1>&2
  exit 1
fi

for i in $modules; do
  echo "merge $i" 1>&2
  cd $i

  br=`git symbolic-ref -q HEAD`
  br=`echo $br | sed -e 's%^refs/heads/%%'`

  # Only allow fast-forward merges into master.
  #
  if [ "$br" = "master" ]; then
    git merge --ff-only $*
  else
    git merge $*
  fi

  if [ $? -ne 0 ]; then
    echo                1>&2
    echo "merge FAILED" 1>&2
    echo                1>&2

    # Merge failures (conflicts) into non-master branches are ok.
    #
    if [ "$br" = "master" ]; then
      exit 1
    fi
  fi

  cd $wd
done