mirror of
https://github.com/git/git.git
synced 2024-12-11 10:54:21 +08:00
7d3c82a761
Comments in both these strategies refer to the wrong number of remotes Signed-off-by: Tom Clarke <tom@u2i.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
81 lines
1.4 KiB
Bash
Executable File
81 lines
1.4 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# Copyright (c) 2005 Linus Torvalds
|
|
#
|
|
# Resolve two trees, 'stupid merge'.
|
|
|
|
# The first parameters up to -- are merge bases; the rest are heads.
|
|
bases= head= remotes= sep_seen=
|
|
for arg
|
|
do
|
|
case ",$sep_seen,$head,$arg," in
|
|
*,--,)
|
|
sep_seen=yes
|
|
;;
|
|
,yes,,*)
|
|
head=$arg
|
|
;;
|
|
,yes,*)
|
|
remotes="$remotes$arg "
|
|
;;
|
|
*)
|
|
bases="$bases$arg "
|
|
;;
|
|
esac
|
|
done
|
|
|
|
# Give up if we are given two or more remotes -- not handling octopus.
|
|
case "$remotes" in
|
|
?*' '?*)
|
|
exit 2 ;;
|
|
esac
|
|
|
|
# Find an optimum merge base if there are more than one candidates.
|
|
case "$bases" in
|
|
?*' '?*)
|
|
echo "Trying to find the optimum merge base."
|
|
G=.tmp-index$$
|
|
best=
|
|
best_cnt=-1
|
|
for c in $bases
|
|
do
|
|
rm -f $G
|
|
GIT_INDEX_FILE=$G git read-tree -m $c $head $remotes \
|
|
2>/dev/null || continue
|
|
# Count the paths that are unmerged.
|
|
cnt=`GIT_INDEX_FILE=$G git ls-files --unmerged | wc -l`
|
|
if test $best_cnt -le 0 -o $cnt -le $best_cnt
|
|
then
|
|
best=$c
|
|
best_cnt=$cnt
|
|
if test "$best_cnt" -eq 0
|
|
then
|
|
# Cannot do any better than all trivial merge.
|
|
break
|
|
fi
|
|
fi
|
|
done
|
|
rm -f $G
|
|
common="$best"
|
|
;;
|
|
*)
|
|
common="$bases"
|
|
;;
|
|
esac
|
|
|
|
git update-index --refresh 2>/dev/null
|
|
git read-tree -u -m $common $head $remotes || exit 2
|
|
echo "Trying simple merge."
|
|
if result_tree=$(git write-tree 2>/dev/null)
|
|
then
|
|
exit 0
|
|
else
|
|
echo "Simple merge failed, trying Automatic merge."
|
|
if git-merge-index -o git-merge-one-file -a
|
|
then
|
|
exit 0
|
|
else
|
|
exit 1
|
|
fi
|
|
fi
|