Staging
v0.5.1
v0.5.1
https://github.com/git/git
Revision 1ed91937e5cd59fdbdfa5f15f6fac132d2b21ce0 authored by Junio C Hamano on 15 December 2005, 01:30:03 UTC, committed by Junio C Hamano on 15 December 2005, 01:30:03 UTC
Oh, I hate to do this but I ended up merging big usage string cleanups from Fredrik, git-am enhancements that made a lot of sense for non mbox users from HPA, and rebase changes (done independently by me and Lukas) among other things, so git is still in perpetual state of 1.0rc. 1.0 will probably be next Wednesday, but who knows. Signed-off-by: Junio C Hamano <junkio@cox.net>
Tip revision: 1ed91937e5cd59fdbdfa5f15f6fac132d2b21ce0 authored by Junio C Hamano on 15 December 2005, 01:30:03 UTC
GIT 0.99.9n aka 1.0rc6
GIT 0.99.9n aka 1.0rc6
Tip revision: 1ed9193
git-merge-octopus.sh
#!/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=$head MSG= PARENT="-p $head"
MRT=$(git-write-tree)
CNT=1 ;# counting our head
NON_FF_MERGE=0
for SHA1 in $remotes
do
common=$(git-merge-base --all $MRC $SHA1) ||
die "Unable to find common commit with $SHA1"
case "$common" in
?*"$LF"?*)
die "Not trivially mergeable."
;;
$SHA1)
echo "Already up-to-date with $SHA1"
continue
;;
esac
CNT=`expr $CNT + 1`
PARENT="$PARENT -p $SHA1"
if test "$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: $SHA1"
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 $SHA1"
git-read-tree -u -m $common $MRT $SHA1 || exit 2
next=$(git-write-tree 2>/dev/null)
if test $? -ne 0
then
echo "Simple merge did not work, trying automatic merge."
git-merge-index -o git-merge-one-file -a ||
exit 2 ; # Automatic merge failed; should not be doing Octopus
next=$(git-write-tree 2>/dev/null)
fi
# We have merged the other branch successfully. Ideally
# we could implement OR'ed heads in merge-base, and keep
# a list of commits we have merged so far in MRC to feed
# them to merge-base, but we approximate it by keep using
# the current MRC. We used to update it to $common, which
# was incorrectly doing AND'ed merge-base here, which was
# unneeded.
MRT=$next
done
exit 0
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