Merge branch 'jk/grep-no-index-fix'

diff --git a/config.c b/config.c
index 2f1aef742ef5c526d6dc1083c490717b1f782d30..c6b874a7bf763851b425d526f704966aaad129b2 100644 (file)
--- a/config.c
+++ b/config.c
@@ -826,7 +826,12 @@ static int git_default_core_config(const char *var, const char *value)
        }
 
        if (!strcmp(var, "core.logallrefupdates")) {
-               log_all_ref_updates = git_config_bool(var, value);
+               if (value && !strcasecmp(value, "always"))
+                       log_all_ref_updates = LOG_REFS_ALWAYS;
+               else if (git_config_bool(var, value))
+                       log_all_ref_updates = LOG_REFS_NORMAL;
+               else
+                       log_all_ref_updates = LOG_REFS_NONE;
                return 0;
        }
 
@@ -836,10 +841,16 @@ static int git_default_core_config(const char *var, const char *value)
        }
 
        if (!strcmp(var, "core.abbrev")) {
-               int abbrev = git_config_int(var, value);
-               if (abbrev < minimum_abbrev || abbrev > 40)
-                       return -1;
-               default_abbrev = abbrev;
+               if (!value)
+                       return config_error_nonbool(var);
+               if (!strcasecmp(value, "auto"))
+                       default_abbrev = -1;
+               else {
+                       int abbrev = git_config_int(var, value);
+                       if (abbrev < minimum_abbrev || abbrev > 40)
+                               return error("abbrev length out of range: %d", abbrev);
+                       default_abbrev = abbrev;
+               }
                return 0;
        }
 
@@ -1230,10 +1241,10 @@ int git_config_from_mem(config_fn_t fn, const enum config_origin_type origin_typ
        return do_config_from(&top, fn, data);
 }
 
-static int git_config_from_blob_sha1(config_fn_t fn,
-                                    const char *name,
-                                    const unsigned char *sha1,
-                                    void *data)
+int git_config_from_blob_sha1(config_fn_t fn,
+                             const char *name,
+                             const unsigned char *sha1,
+                             void *data)
 {
        enum object_type type;
        char *buf;
@@ -2210,7 +2221,12 @@ int git_config_set_multivar_in_file_gently(const char *config_filename,
                        goto out_free;
                }
 
-               fstat(in_fd, &st);
+               if (fstat(in_fd, &st) == -1) {
+                       error_errno(_("fstat on %s failed"), config_filename);
+                       ret = CONFIG_INVALID_FILE;
+                       goto out_free;
+               }
+
                contents_sz = xsize_t(st.st_size);
                contents = xmmap_gently(NULL, contents_sz, PROT_READ,
                                        MAP_PRIVATE, in_fd, 0);
@@ -2412,7 +2428,7 @@ int git_config_rename_section_in_file(const char *config_filename,
 
        if (new_name && !section_name_is_ok(new_name)) {
                ret = error("invalid section name: %s", new_name);
-               goto out;
+               goto out_no_rollback;
        }
 
        if (!config_filename)
@@ -2427,10 +2443,13 @@ int git_config_rename_section_in_file(const char *config_filename,
 
        if (!(config_file = fopen(config_filename, "rb"))) {
                /* no config file means nothing to rename, no error */
-               goto unlock_and_out;
+               goto commit_and_out;
        }
 
-       fstat(fileno(config_file), &st);
+       if (fstat(fileno(config_file), &st) == -1) {
+               ret = error_errno(_("fstat on %s failed"), config_filename);
+               goto out;
+       }
 
        if (chmod(get_lock_file_path(lock), st.st_mode & 07777) < 0) {
                ret = error_errno("chmod on %s failed",
@@ -2486,11 +2505,13 @@ int git_config_rename_section_in_file(const char *config_filename,
                }
        }
        fclose(config_file);
-unlock_and_out:
+commit_and_out:
        if (commit_lock_file(lock) < 0)
                ret = error_errno("could not write config file %s",
                                  config_filename);
 out:
+       rollback_lock_file(lock);
+out_no_rollback:
        free(filename_buf);
        return ret;
 }