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ll-merge: warn about inability to merge binary files only when we can't

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When a path being merged is auto detected to be a binary file, we
warned "Cannot merge binary files" before switching to activate the
binary ll-merge driver.  When we are merging with the -Xours/theirs
option, however, we know what the "clean" merge result is, and the
warning is inappropriate.

In addition, when the path is explicitly marked as a binary file,
this warning was not issued, even though without -Xours/theirs, we
cannot cleanly automerge such a path, which was inconsistent.

Move the warning code from ll_xdl_merge() to ll_binary_merge(), and
issue the message only when we cannot cleanly automerge.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2012-09-12 02:01:52 -07:00
parent 155a4b712e
commit e0e2065f74
1 changed files with 4 additions and 3 deletions
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7
ll-merge.c
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@ -35,7 +35,7 @@ struct ll_merge_driver {
*/
static int ll_binary_merge(const struct ll_merge_driver *drv_unused,
mmbuffer_t *result,
const char *path_unused,
const char *path,
mmfile_t *orig, const char *orig_name,
mmfile_t *src1, const char *name1,
mmfile_t *src2, const char *name2,
@ -53,6 +53,9 @@ static int ll_binary_merge(const struct ll_merge_driver *drv_unused,
} else {
switch (opts->variant) {
default:
warning("Cannot merge binary files: %s (%s vs. %s)\n",
path, name1, name2);
/* fallthru */
case XDL_MERGE_FAVOR_OURS:
stolen = src1;
break;
@ -88,8 +91,6 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
if (buffer_is_binary(orig->ptr, orig->size) ||
buffer_is_binary(src1->ptr, src1->size) ||
buffer_is_binary(src2->ptr, src2->size)) {
warning("Cannot merge binary files: %s (%s vs. %s)\n",
path, name1, name2);
return ll_binary_merge(drv_unused, result,
path,
orig, orig_name,