1 files changed, 22 insertions, 17 deletions

diff --git a/ll-merge.c b/ll-merge.c
index e339b8cfac..9723f3a5dc 100644
--- a/ll-merge.c
+++ b/ll-merge.c
@@ -8,7 +8,6 @@
 #include "attr.h"
 #include "xdiff-interface.h"
 #include "run-command.h"
-#include "interpolate.h"
 #include "ll-merge.h"
 
 struct ll_merge_driver;
@@ -63,6 +62,7 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
 			int virtual_ancestor)
 {
 	xpparam_t xpp;
+	int style = 0;
 
 	if (buffer_is_binary(orig->ptr, orig->size) ||
 	    buffer_is_binary(src1->ptr, src1->size) ||
@@ -77,10 +77,12 @@ static int ll_xdl_merge(const struct ll_merge_driver *drv_unused,
 	}
 
 	memset(&xpp, 0, sizeof(xpp));
+	if (git_xmerge_style >= 0)
+		style = git_xmerge_style;
 	return xdl_merge(orig,
 			 src1, name1,
 			 src2, name2,
-			 &xpp, XDL_MERGE_ZEALOUS,
+			 &xpp, XDL_MERGE_ZEALOUS | style,
 			 result);
 }
 
@@ -95,10 +97,15 @@ static int ll_union_merge(const struct ll_merge_driver *drv_unused,
 	char *src, *dst;
 	long size;
 	const int marker_size = 7;
-
-	int status = ll_xdl_merge(drv_unused, result, path_unused,
-				  orig, src1, NULL, src2, NULL,
-				  virtual_ancestor);
+	int status, saved_style;
+
+	/* We have to force the RCS "merge" style */
+	saved_style = git_xmerge_style;
+	git_xmerge_style = 0;
+	status = ll_xdl_merge(drv_unused, result, path_unused,
+			      orig, src1, NULL, src2, NULL,
+			      virtual_ancestor);
+	git_xmerge_style = saved_style;
 	if (status <= 0)
 		return status;
 	size = result->size;
@@ -161,11 +168,12 @@ static int ll_ext_merge(const struct ll_merge_driver *fn,
 			int virtual_ancestor)
 {
 	char temp[3][50];
-	char cmdbuf[2048];
-	struct interp table[] = {
-		{ "%O" },
-		{ "%A" },
-		{ "%B" },
+	struct strbuf cmd = STRBUF_INIT;
+	struct strbuf_expand_dict_entry dict[] = {
+		{ "O", temp[0] },
+		{ "A", temp[1] },
+		{ "B", temp[2] },
+		{ NULL }
 	};
 	struct child_process child;
 	const char *args[20];
@@ -181,17 +189,13 @@ static int ll_ext_merge(const struct ll_merge_driver *fn,
 	create_temp(src1, temp[1]);
 	create_temp(src2, temp[2]);
 
-	interp_set_entry(table, 0, temp[0]);
-	interp_set_entry(table, 1, temp[1]);
-	interp_set_entry(table, 2, temp[2]);
-
-	interpolate(cmdbuf, sizeof(cmdbuf), fn->cmdline, table, 3);
+	strbuf_expand(&cmd, fn->cmdline, strbuf_expand_dict_cb, &dict);
 
 	memset(&child, 0, sizeof(child));
 	child.argv = args;
 	args[0] = "sh";
 	args[1] = "-c";
-	args[2] = cmdbuf;
+	args[2] = cmd.buf;
 	args[3] = NULL;
 
 	status = run_command(&child);
@@ -216,6 +220,7 @@ static int ll_ext_merge(const struct ll_merge_driver *fn,
  bad:
 	for (i = 0; i < 3; i++)
 		unlink(temp[i]);
+	strbuf_release(&cmd);
 	return status;
 }