Docs: send-email: Create logical groupings for man text

diff --git a/rerere.c b/rerere.c
index 323e493dafee46c0d3f95e3c4cd9c4c9b463bbef..8447caeebc3c030398cd00d25f1fb61bc952e150 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -75,7 +75,10 @@ static int handle_file(const char *path,
 {
        SHA_CTX ctx;
        char buf[1024];
-       int hunk = 0, hunk_no = 0;
+       int hunk_no = 0;
+       enum {
+               RR_CONTEXT = 0, RR_SIDE_1, RR_SIDE_2, RR_ORIGINAL,
+       } hunk = RR_CONTEXT;
        struct strbuf one, two;
        FILE *f = fopen(path, "r");
        FILE *out = NULL;
@@ -98,20 +101,24 @@ static int handle_file(const char *path,
        strbuf_init(&two,  0);
        while (fgets(buf, sizeof(buf), f)) {
                if (!prefixcmp(buf, "<<<<<<< ")) {
-                       if (hunk)
+                       if (hunk != RR_CONTEXT)
                                goto bad;
-                       hunk = 1;
+                       hunk = RR_SIDE_1;
+               } else if (!prefixcmp(buf, "|||||||") && isspace(buf[7])) {
+                       if (hunk != RR_SIDE_1)
+                               goto bad;
+                       hunk = RR_ORIGINAL;
                } else if (!prefixcmp(buf, "=======") && isspace(buf[7])) {
-                       if (hunk != 1)
+                       if (hunk != RR_SIDE_1 && hunk != RR_ORIGINAL)
                                goto bad;
-                       hunk = 2;
+                       hunk = RR_SIDE_2;
                } else if (!prefixcmp(buf, ">>>>>>> ")) {
-                       if (hunk != 2)
+                       if (hunk != RR_SIDE_2)
                                goto bad;
                        if (strbuf_cmp(&one, &two) > 0)
                                strbuf_swap(&one, &two);
                        hunk_no++;
-                       hunk = 0;
+                       hunk = RR_CONTEXT;
                        if (out) {
                                fputs("<<<<<<<\n", out);
                                fwrite(one.buf, one.len, 1, out);
@@ -127,9 +134,11 @@ static int handle_file(const char *path,
                        }
                        strbuf_reset(&one);
                        strbuf_reset(&two);
-               } else if (hunk == 1)
+               } else if (hunk == RR_SIDE_1)
                        strbuf_addstr(&one, buf);
-               else if (hunk == 2)
+               else if (hunk == RR_ORIGINAL)
+                       ; /* discard */
+               else if (hunk == RR_SIDE_2)
                        strbuf_addstr(&two, buf);
                else if (out)
                        fputs(buf, out);
@@ -146,7 +155,7 @@ static int handle_file(const char *path,
                fclose(out);
        if (sha1)
                SHA1_Final(sha1, &ctx);
-       if (hunk) {
+       if (hunk != RR_CONTEXT) {
                if (output)
                        unlink(output);
                return error("Could not parse conflict hunks in %s", path);
@@ -319,7 +328,6 @@ static int git_rerere_config(const char *var, const char *value, void *cb)
 
 static int is_rerere_enabled(void)
 {
-       struct stat st;
        const char *rr_cache;
        int rr_cache_exists;
 
@@ -327,7 +335,7 @@ static int is_rerere_enabled(void)
                return 0;
 
        rr_cache = git_path("rr-cache");
-       rr_cache_exists = !stat(rr_cache, &st) && S_ISDIR(st.st_mode);
+       rr_cache_exists = is_directory(rr_cache);
        if (rerere_enabled < 0)
                return rr_cache_exists;