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authorJustin Frankel <justin@cockos.com>2010-08-26 00:50:45 -0500
committerJunio C Hamano <gitster@pobox.com>2010-08-26 09:20:03 -0700
commit58a1ece478c6038a7eb0b6e494d563bd5e6d5978 (patch)
treeea845e2862c6e9a713455c6108a85677b9d4e0ed /merge-recursive.c
parent712516bcacacd45b4825ec649f15c3573f6fb42a (diff)
downloadgit-58a1ece478c6038a7eb0b6e494d563bd5e6d5978.tar.gz
merge-recursive --patience
Teach the merge-recursive strategy a --patience option to use the "patience diff" algorithm, which tends to improve results when cherry-picking a patch that reorders functions at the same time as refactoring them. To support this, struct merge_options and ll_merge_options gain an xdl_opts member, so programs can use arbitrary xdiff flags (think "XDF_IGNORE_WHITESPACE") in a git-aware merge. git merge and git rebase can be passed the -Xpatience option to use this. [jn: split from --ignore-space patch; with documentation] Signed-off-by: Justin Frankel <justin@cockos.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'merge-recursive.c')
-rw-r--r--merge-recursive.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/merge-recursive.c b/merge-recursive.c
index 0e9a29d329..3e67f8145f 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -613,6 +613,7 @@ static int merge_3way(struct merge_options *o,
int merge_status;
ll_opts.renormalize = o->renormalize;
+ ll_opts.xdl_opts = o->xdl_opts;
if (o->call_depth) {
ll_opts.virtual_ancestor = 1;
@@ -1512,6 +1513,8 @@ int parse_merge_opt(struct merge_options *o, const char *s)
o->subtree_shift = "";
else if (!prefixcmp(s, "subtree="))
o->subtree_shift = s + strlen("subtree=");
+ else if (!strcmp(s, "patience"))
+ o->xdl_opts |= XDF_PATIENCE_DIFF;
else if (!strcmp(s, "renormalize"))
o->renormalize = 1;
else if (!strcmp(s, "no-renormalize"))