pre-commit hook: complain about conflict markers.

[git.git] / config.c

diff --git a/config.c b/config.c
index 992e988..7ea8a73 100644 (file)
--- a/config.c
+++ b/config.c
@@ -222,11 +222,21 @@ int git_default_config(const char *var, const char *value)
                return 0;
        }
 
+       if (!strcmp(var, "core.ignorestat")) {
+               assume_unchanged = git_config_bool(var, value);
+               return 0;
+       }
+
        if (!strcmp(var, "core.symrefsonly")) {
                only_use_symrefs = git_config_bool(var, value);
                return 0;
        }
 
+       if (!strcmp(var, "core.warnambiguousrefs")) {
+               warn_ambiguous_refs = git_config_bool(var, value);
+               return 0;
+       }
+
        if (!strcmp(var, "user.name")) {
                strncpy(git_default_name, value, sizeof(git_default_name));
                return 0;
@@ -409,8 +419,8 @@ int git_config_set_multivar(const char* key, const char* value,
        const char* value_regex, int multi_replace)
 {
        int i;
-       struct stat st;
-       int fd;
+       int fd, in_fd;
+       int ret;
        char* config_filename = strdup(git_path("config"));
        char* lock_file = strdup(git_path("config.lock"));
        const char* last_dot = strrchr(key, '.');
@@ -420,9 +430,10 @@ int git_config_set_multivar(const char* key, const char* value,
         * key name separated by a dot, we have to know where the dot is.
         */
 
-       if (last_dot == NULL) { 
+       if (last_dot == NULL) {
                fprintf(stderr, "key does not contain a section: %s\n", key);
-               return 2;
+               ret = 2;
+               goto out_free;
        }
        store.baselen = last_dot - key;
 
@@ -438,7 +449,8 @@ int git_config_set_multivar(const char* key, const char* value,
                                 (i == store.baselen+1 && !isalpha(key[i])))) {
                        fprintf(stderr, "invalid key: %s\n", key);
                        free(store.key);
-                       return 1;
+                       ret = 1;
+                       goto out_free;
                } else
                        store.key[i] = tolower(key[i]);
        store.key[i] = 0;
@@ -451,27 +463,38 @@ int git_config_set_multivar(const char* key, const char* value,
        if (fd < 0) {
                fprintf(stderr, "could not lock config file\n");
                free(store.key);
-               return -1;
+               ret = -1;
+               goto out_free;
        }
 
        /*
         * If .git/config does not exist yet, write a minimal version.
         */
-       if (stat(config_filename, &st)) {
+       in_fd = open(config_filename, O_RDONLY);
+       if ( in_fd < 0 ) {
                free(store.key);
 
+               if ( ENOENT != errno ) {
+                       error("opening %s: %s", config_filename,
+                             strerror(errno));
+                       close(fd);
+                       unlink(lock_file);
+                       ret = 3; /* same as "invalid config file" */
+                       goto out_free;
+               }
                /* if nothing to unset, error out */
                if (value == NULL) {
                        close(fd);
                        unlink(lock_file);
-                       return 5;
+                       ret = 5;
+                       goto out_free;
                }
 
                store.key = (char*)key;
                store_write_section(fd, key);
                store_write_pair(fd, key, value);
        } else{
-               int in_fd;
+               struct stat st;
                char* contents;
                int i, copy_begin, copy_end, new_line = 0;
 
@@ -490,7 +513,8 @@ int git_config_set_multivar(const char* key, const char* value,
                                fprintf(stderr, "Invalid pattern: %s\n",
                                        value_regex);
                                free(store.value_regex);
-                               return 6;
+                               ret = 6;
+                               goto out_free;
                        }
                }
 
@@ -511,7 +535,8 @@ int git_config_set_multivar(const char* key, const char* value,
                                regfree(store.value_regex);
                                free(store.value_regex);
                        }
-                       return 3;
+                       ret = 3;
+                       goto out_free;
                }
 
                free(store.key);
@@ -525,10 +550,11 @@ int git_config_set_multivar(const char* key, const char* value,
                                (store.seen > 1 && multi_replace == 0)) {
                        close(fd);
                        unlink(lock_file);
-                       return 5;
+                       ret = 5;
+                       goto out_free;
                }
 
-               in_fd = open(config_filename, O_RDONLY, 0666);
+               fstat(in_fd, &st);
                contents = mmap(NULL, st.st_size, PROT_READ,
                        MAP_PRIVATE, in_fd, 0);
                close(in_fd);
@@ -576,10 +602,18 @@ int git_config_set_multivar(const char* key, const char* value,
 
        if (rename(lock_file, config_filename) < 0) {
                fprintf(stderr, "Could not rename the lock file?\n");
-               return 4;
+               ret = 4;
+               goto out_free;
        }
 
-       return 0;
+       ret = 0;
+
+out_free:
+       if (config_filename)
+               free(config_filename);
+       if (lock_file)
+               free(lock_file);
+       return ret;
 }