grep: refactor grep_objects loop into its own function

diff --git a/rerere.c b/rerere.c
index 5f332cb25c240d9a26ec48bd3daa36ae1ced9d7c..f221bed1e97a0f1b41d1845edac270a109e3a4dd 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -5,6 +5,7 @@
 #include "dir.h"
 #include "resolve-undo.h"
 #include "ll-merge.h"
+#include "attr.h"
 
 /* if rerere_enabled == -1, fall back to detection of .git/rr-cache */
 static int rerere_enabled = -1;
@@ -221,7 +222,7 @@ static int handle_file(const char *path, unsigned char *sha1, const char *output
 {
        int hunk_no = 0;
        struct rerere_io_file io;
-       int marker_size = 7;
+       int marker_size = ll_merge_marker_size(path);
 
        memset(&io, 0, sizeof(io));
        io.io.getline = rerere_file_getline;
@@ -288,7 +289,7 @@ static int handle_cache(const char *path, unsigned char *sha1, const char *outpu
        struct cache_entry *ce;
        int pos, len, i, hunk_no;
        struct rerere_io_mem io;
-       int marker_size = 7;
+       int marker_size = ll_merge_marker_size(path);
 
        /*
         * Reproduce the conflicted merge in-core
@@ -318,13 +319,13 @@ static int handle_cache(const char *path, unsigned char *sha1, const char *outpu
                if (!mmfile[i].ptr && !mmfile[i].size)
                        mmfile[i].ptr = xstrdup("");
        }
-       ll_merge(&result, path, &mmfile[0],
+       ll_merge(&result, path, &mmfile[0], NULL,
                 &mmfile[1], "ours",
                 &mmfile[2], "theirs", 0);
        for (i = 0; i < 3; i++)
                free(mmfile[i].ptr);
 
-       memset(&io, 0, sizeof(&io));
+       memset(&io, 0, sizeof(io));
        io.io.getline = rerere_mem_getline;
        if (output)
                io.io.output = fopen(output, "w");
@@ -363,7 +364,7 @@ static int find_conflict(struct string_list *conflict)
 static int merge(const char *name, const char *path)
 {
        int ret;
-       mmfile_t cur, base, other;
+       mmfile_t cur = {NULL, 0}, base = {NULL, 0}, other = {NULL, 0};
        mmbuffer_t result = {NULL, 0};
 
        if (handle_file(path, NULL, rerere_path(name, "thisimage")) < 0)
@@ -371,9 +372,11 @@ static int merge(const char *name, const char *path)
 
        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 = ll_merge(&result, path, &base, &cur, "", &other, "", 0);
+                       read_mmfile(&other, rerere_path(name, "postimage"))) {
+               ret = 1;
+               goto out;
+       }
+       ret = ll_merge(&result, path, &base, NULL, &cur, "", &other, "", 0);
        if (!ret) {
                FILE *f = fopen(path, "w");
                if (!f)
@@ -386,6 +389,7 @@ static int merge(const char *name, const char *path)
                                     strerror(errno));
        }
 
+out:
        free(cur.ptr);
        free(base.ptr);
        free(other.ptr);
@@ -524,7 +528,7 @@ static int is_rerere_enabled(void)
        return 1;
 }
 
-int setup_rerere(struct string_list *merge_rr)
+int setup_rerere(struct string_list *merge_rr, int flags)
 {
        int fd;
 
@@ -532,6 +536,8 @@ int setup_rerere(struct string_list *merge_rr)
        if (!is_rerere_enabled())
                return -1;
 
+       if (flags & (RERERE_AUTOUPDATE|RERERE_NOAUTOUPDATE))
+               rerere_autoupdate = !!(flags & RERERE_AUTOUPDATE);
        merge_rr_path = git_pathdup("MERGE_RR");
        fd = hold_lock_file_for_update(&write_lock, merge_rr_path,
                                       LOCK_DIE_ON_ERROR);
@@ -539,12 +545,12 @@ int setup_rerere(struct string_list *merge_rr)
        return fd;
 }
 
-int rerere(void)
+int rerere(int flags)
 {
        struct string_list merge_rr = { NULL, 0, 0, 1 };
        int fd;
 
-       fd = setup_rerere(&merge_rr);
+       fd = setup_rerere(&merge_rr, flags);
        if (fd < 0)
                return 0;
        return do_plain_rerere(&merge_rr, fd);
@@ -585,7 +591,7 @@ int rerere_forget(const char **pathspec)
        if (read_cache() < 0)
                return error("Could not read index");
 
-       fd = setup_rerere(&merge_rr);
+       fd = setup_rerere(&merge_rr, RERERE_NOAUTOUPDATE);
 
        unmerge_cache(pathspec);
        find_conflict(&conflict);