mirror of
https://github.com/git/git.git
synced 2024-11-14 21:23:03 +01:00
f08aa01767
MSG, PARENT, and CNT are never used, just assigned to. Signed-off-by: Stephen Boyd <bebarino@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
104 lines
2 KiB
Bash
Executable file
104 lines
2 KiB
Bash
Executable file
#!/bin/sh
|
|
#
|
|
# Copyright (c) 2005 Junio C Hamano
|
|
#
|
|
# Resolve two or more trees.
|
|
#
|
|
|
|
LF='
|
|
'
|
|
|
|
die () {
|
|
echo >&2 "$*"
|
|
exit 1
|
|
}
|
|
|
|
# The first parameters up to -- are merge bases; the rest are heads.
|
|
bases= head= remotes= sep_seen=
|
|
for arg
|
|
do
|
|
case ",$sep_seen,$head,$arg," in
|
|
*,--,)
|
|
sep_seen=yes
|
|
;;
|
|
,yes,,*)
|
|
head=$arg
|
|
;;
|
|
,yes,*)
|
|
remotes="$remotes$arg "
|
|
;;
|
|
*)
|
|
bases="$bases$arg "
|
|
;;
|
|
esac
|
|
done
|
|
|
|
# Reject if this is not an Octopus -- resolve should be used instead.
|
|
case "$remotes" in
|
|
?*' '?*)
|
|
;;
|
|
*)
|
|
exit 2 ;;
|
|
esac
|
|
|
|
# MRC is the current "merge reference commit"
|
|
# MRT is the current "merge result tree"
|
|
|
|
MRC=$(git rev-parse --verify -q $head)
|
|
MRT=$(git write-tree)
|
|
NON_FF_MERGE=0
|
|
OCTOPUS_FAILURE=0
|
|
for SHA1 in $remotes
|
|
do
|
|
case "$OCTOPUS_FAILURE" in
|
|
1)
|
|
# We allow only last one to have a hand-resolvable
|
|
# conflicts. Last round failed and we still had
|
|
# a head to merge.
|
|
echo "Automated merge did not work."
|
|
echo "Should not be doing an Octopus."
|
|
exit 2
|
|
esac
|
|
|
|
eval pretty_name=\${GITHEAD_$SHA1:-$SHA1}
|
|
common=$(git merge-base --all $SHA1 $MRC) ||
|
|
die "Unable to find common commit with $pretty_name"
|
|
|
|
case "$LF$common$LF" in
|
|
*"$LF$SHA1$LF"*)
|
|
echo "Already up-to-date with $pretty_name"
|
|
continue
|
|
;;
|
|
esac
|
|
|
|
if test "$common,$NON_FF_MERGE" = "$MRC,0"
|
|
then
|
|
# The first head being merged was a fast-forward.
|
|
# Advance MRC to the head being merged, and use that
|
|
# tree as the intermediate result of the merge.
|
|
# We still need to count this as part of the parent set.
|
|
|
|
echo "Fast-forwarding to: $pretty_name"
|
|
git read-tree -u -m $head $SHA1 || exit
|
|
MRC=$SHA1 MRT=$(git write-tree)
|
|
continue
|
|
fi
|
|
|
|
NON_FF_MERGE=1
|
|
|
|
echo "Trying simple merge with $pretty_name"
|
|
git read-tree -u -m --aggressive $common $MRT $SHA1 || exit 2
|
|
next=$(git write-tree 2>/dev/null)
|
|
if test $? -ne 0
|
|
then
|
|
echo "Simple merge did not work, trying automatic merge."
|
|
git-merge-index -o git-merge-one-file -a ||
|
|
OCTOPUS_FAILURE=1
|
|
next=$(git write-tree 2>/dev/null)
|
|
fi
|
|
|
|
MRC="$MRC $SHA1"
|
|
MRT=$next
|
|
done
|
|
|
|
exit "$OCTOPUS_FAILURE"
|