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Merge branch 'sp/merge' (early part)

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* 'sp/merge' (early part):
  Improve merge performance by avoiding in-index merges.
This commit is contained in:
Junio C Hamano 2007-01-14 12:03:53 -08:00
parent 3681d40b96 c82d7117a1
commit 6de33478af
1 changed files with 23 additions and 17 deletions
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40
git-merge.sh
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@ -301,24 +301,30 @@ f,*)
;;
?,1,*,)
# We are not doing octopus, not fast forward, and have only
# one common. See if it is really trivial.
git var GIT_COMMITTER_IDENT >/dev/null || exit
echo "Trying really trivial in-index merge..."
# one common.
git-update-index --refresh 2>/dev/null
if git-read-tree --trivial -m -u -v $common $head "$1" &&
result_tree=$(git-write-tree)
then
echo "Wonderful."
result_commit=$(
echo "$merge_msg" |
git-commit-tree $result_tree -p HEAD -p "$1"
) || exit
finish "$result_commit" "In-index merge"
dropsave
exit 0
fi
echo "Nope."
case " $use_strategies " in
*' recursive '*|*' recur '*)
: run merge later
;;
*)
# See if it is really trivial.
git var GIT_COMMITTER_IDENT >/dev/null || exit
echo "Trying really trivial in-index merge..."
if git-read-tree --trivial -m -u -v $common $head "$1" &&
result_tree=$(git-write-tree)
then
echo "Wonderful."
result_commit=$(
echo "$merge_msg" |
git-commit-tree $result_tree -p HEAD -p "$1"
) || exit
finish "$result_commit" "In-index merge"
dropsave
exit 0
fi
echo "Nope."
esac
;;
*)
# An octopus. If we can reach all the remote we are up to date.