Merge branch 'js/rerere'

* js/rerere:
  Make git-rerere a builtin
  Add a test for git-rerere
  move read_mmfile() into xdiff-interface

Makefile

@@ -171,7 +171,6 @@ SCRIPT_SH = \
 
 SCRIPT_PERL = \
 	git-archimport.perl git-cvsimport.perl git-relink.perl \
-	git-rerere.perl \
 	git-cvsserver.perl \
 	git-svnimport.perl git-cvsexportcommit.perl \
 	git-send-email.perl git-svn.perl
@@ -288,6 +287,7 @@ BUILTIN_OBJS = \
 	builtin-push.o \
 	builtin-read-tree.o \
 	builtin-repo-config.o \
+	builtin-rerere.o \
 	builtin-rev-list.o \
 	builtin-rev-parse.o \
 	builtin-rm.o \

builtin-merge-file.c

@@ -1,26 +1,10 @@
 #include "cache.h"
 #include "xdiff/xdiff.h"
+#include "xdiff-interface.h"
 
 static const char merge_file_usage[] =
 "git merge-file [-p | --stdout] [-q | --quiet] [-L name1 [-L orig [-L name2]]] file1 orig_file file2";
 
-static int read_file(mmfile_t *ptr, const char *filename)
-{
-	struct stat st;
-	FILE *f;
-
-	if (stat(filename, &st))
-		return error("Could not stat %s", filename);
-	if ((f = fopen(filename, "rb")) == NULL)
-		return error("Could not open %s", filename);
-	ptr->ptr = xmalloc(st.st_size);
-	if (fread(ptr->ptr, st.st_size, 1, f) != 1)
-		return error("Could not read %s", filename);
-	fclose(f);
-	ptr->size = st.st_size;
-	return 0;
-}
-
 int cmd_merge_file(int argc, char **argv, char **envp)
 {
 	char *names[3];
@@ -53,7 +37,7 @@ int cmd_merge_file(int argc, char **argv, char **envp)
 		names[i] = argv[i + 1];
 
 	for (i = 0; i < 3; i++)
-		if (read_file(mmfs + i, argv[i + 1]))
+		if (read_mmfile(mmfs + i, argv[i + 1]))
 			return -1;
 
 	ret = xdl_merge(mmfs + 1, mmfs + 0, names[0], mmfs + 2, names[2],