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-rw-r--r--merge-ll.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/merge-ll.c b/merge-ll.c
index 8fcf2d3710..61e0ae5398 100644
--- a/merge-ll.c
+++ b/merge-ll.c
@@ -185,9 +185,9 @@ static void create_temp(mmfile_t *src, char *path, size_t len)
static enum ll_merge_result ll_ext_merge(const struct ll_merge_driver *fn,
mmbuffer_t *result,
const char *path,
- mmfile_t *orig, const char *orig_name UNUSED,
- mmfile_t *src1, const char *name1 UNUSED,
- mmfile_t *src2, const char *name2 UNUSED,
+ mmfile_t *orig, const char *orig_name,
+ mmfile_t *src1, const char *name1,
+ mmfile_t *src2, const char *name2,
const struct ll_merge_options *opts,
int marker_size)
{
@@ -222,6 +222,12 @@ static enum ll_merge_result ll_ext_merge(const struct ll_merge_driver *fn,
strbuf_addf(&cmd, "%d", marker_size);
else if (skip_prefix(format, "P", &format))
sq_quote_buf(&cmd, path);
+ else if (skip_prefix(format, "S", &format))
+ sq_quote_buf(&cmd, orig_name ? orig_name : "");
+ else if (skip_prefix(format, "X", &format))
+ sq_quote_buf(&cmd, name1 ? name1 : "");
+ else if (skip_prefix(format, "Y", &format))
+ sq_quote_buf(&cmd, name2 ? name2 : "");
else
strbuf_addch(&cmd, '%');
}
@@ -286,7 +292,7 @@ static int read_merge_config(const char *var, const char *value,
* after seeing merge.<name>.var1.
*/
for (fn = ll_user_merge; fn; fn = fn->next)
- if (!strncmp(fn->name, name, namelen) && !fn->name[namelen])
+ if (!xstrncmpz(fn->name, name, namelen))
break;
if (!fn) {
CALLOC_ARRAY(fn, 1);
@@ -301,7 +307,7 @@ static int read_merge_config(const char *var, const char *value,
if (!strcmp("driver", key)) {
if (!value)
- return error("%s: lacks value", var);
+ return config_error_nonbool(var);
/*
* merge.<name>.driver specifies the command line:
*
@@ -315,7 +321,12 @@ static int read_merge_config(const char *var, const char *value,
* %B - temporary file name for the other branches' version.
* %L - conflict marker length
* %P - the original path (safely quoted for the shell)
+ * %S - the revision for the merge base
+ * %X - the revision for our version
+ * %Y - the revision for their version
*
+ * If the file is not named indentically in all versions, then each
+ * revision is joined with the corresponding path, separated by a colon.
* The external merge driver should write the results in the
* file named by %A, and signal that it has done with zero exit
* status.