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read-tree: --trivial

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This adds an option --trivial to restrict 3-way 'read-tree -m -u'
to happen only if there is no file-level merging required.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Linus Torvalds 2005-09-29 08:16:12 -07:00 committed by Junio C Hamano
parent 500b97e4bb
commit 23822a355d
1 changed files with 12 additions and 0 deletions
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12
read-tree.c
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@ -13,6 +13,8 @@
static int merge = 0;
static int update = 0;
static int index_only = 0;
static int nontrivial_merge = 0;
static int trivial_merges_only = 0;
static int head_idx = -1;
static int merge_size = 0;
@ -275,6 +277,9 @@ static int unpack_trees(merge_fn_t fn)
if (unpack_trees_rec(posns, len, "", fn, &indpos))
return -1;
if (trivial_merges_only && nontrivial_merge)
die("Merge requires file-level merging");
check_updates(active_cache, active_nr);
return 0;
}
@ -460,6 +465,8 @@ static int threeway_merge(struct cache_entry **stages)
verify_uptodate(index);
}
nontrivial_merge = 1;
/* #2, #3, #4, #6, #7, #9, #11. */
count = 0;
if (!head_match || !remote_match) {
@ -629,6 +636,11 @@ int main(int argc, char **argv)
continue;
}
if (!strcmp(arg, "--trivial")) {
trivial_merges_only = 1;
continue;
}
/* "-m" stands for "merge", meaning we start in stage 1 */
if (!strcmp(arg, "-m")) {
if (stage || merge)