Aggressive three-way merge: fix D/F case

diff --git a/rerere.c b/rerere.c
index 3518207c178904b91ce28f8d3bf2ba0ee560d0e7..29f95f657d04300e375d007e9d01832b89311602 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -12,15 +12,15 @@ static int rerere_autoupdate;
 
 static char *merge_rr_path;
 
-static const char *rr_path(const char *name, const char *file)
+const char *rerere_path(const char *hex, const char *file)
 {
-       return git_path("rr-cache/%s/%s", name, file);
+       return git_path("rr-cache/%s/%s", hex, file);
 }
 
-static int has_resolution(const char *name)
+int has_rerere_resolution(const char *hex)
 {
        struct stat st;
-       return !stat(rr_path(name, "postimage"), &st);
+       return !stat(rerere_path(hex, "postimage"), &st);
 }
 
 static void read_rr(struct string_list *rr)
@@ -61,7 +61,7 @@ static int write_rr(struct string_list *rr, int out_fd)
                path = rr->items[i].string;
                length = strlen(path) + 1;
                if (write_in_full(out_fd, rr->items[i].util, 40) != 40 ||
-                   write_in_full(out_fd, "\t", 1) != 1 ||
+                   write_str_in_full(out_fd, "\t") != 1 ||
                    write_in_full(out_fd, path, length) != length)
                        die("unable to write rerere record");
        }
@@ -173,7 +173,7 @@ static int handle_file(const char *path,
                git_SHA1_Final(sha1, &ctx);
        if (hunk != RR_CONTEXT) {
                if (output)
-                       unlink(output);
+                       unlink_or_warn(output);
                return error("Could not parse conflict hunks in %s", path);
        }
        if (wrerror)
@@ -208,12 +208,12 @@ static int merge(const char *name, const char *path)
        mmbuffer_t result = {NULL, 0};
        xpparam_t xpp = {XDF_NEED_MINIMAL};
 
-       if (handle_file(path, NULL, rr_path(name, "thisimage")) < 0)
+       if (handle_file(path, NULL, rerere_path(name, "thisimage")) < 0)
                return 1;
 
-       if (read_mmfile(&cur, rr_path(name, "thisimage")) ||
-                       read_mmfile(&base, rr_path(name, "preimage")) ||
-                       read_mmfile(&other, rr_path(name, "postimage")))
+       if (read_mmfile(&cur, rerere_path(name, "thisimage")) ||
+                       read_mmfile(&base, rerere_path(name, "preimage")) ||
+                       read_mmfile(&other, rerere_path(name, "postimage")))
                return 1;
        ret = xdl_merge(&base, &cur, "", &other, "",
                        &xpp, XDL_MERGE_ZEALOUS, &result);
@@ -291,7 +291,7 @@ static int do_plain_rerere(struct string_list *rr, int fd)
                        string_list_insert(path, rr)->util = hex;
                        if (mkdir(git_path("rr-cache/%s", hex), 0755))
                                continue;
-                       handle_file(path, NULL, rr_path(hex, "preimage"));
+                       handle_file(path, NULL, rerere_path(hex, "preimage"));
                        fprintf(stderr, "Recorded preimage for '%s'\n", path);
                }
        }
@@ -307,7 +307,7 @@ static int do_plain_rerere(struct string_list *rr, int fd)
                const char *path = rr->items[i].string;
                const char *name = (const char *)rr->items[i].util;
 
-               if (has_resolution(name)) {
+               if (has_rerere_resolution(name)) {
                        if (!merge(name, path)) {
                                if (rerere_autoupdate)
                                        string_list_insert(path, &update);
@@ -326,7 +326,7 @@ static int do_plain_rerere(struct string_list *rr, int fd)
                        continue;
 
                fprintf(stderr, "Recorded resolution for '%s'.\n", path);
-               copy_file(rr_path(name, "postimage"), path, 0666);
+               copy_file(rerere_path(name, "postimage"), path, 0666);
        mark_resolved:
                rr->items[i].util = NULL;
        }