git commit: Reformat output somewhat

diff --git a/builtin-log.c b/builtin-log.c
index 9979e37f3823734c66f0b98eebf485a078e576bb..1d3c5cbf580f3989d9605ed68f80beb050e19d39 100644 (file)
--- a/builtin-log.c
+++ b/builtin-log.c
@@ -217,6 +217,11 @@ static int cmd_log_walk(struct rev_info *rev)
        if (rev->early_output)
                finish_early_output(rev);
 
+       /*
+        * For --check and --exit-code, the exit code is based on CHECK_FAILED
+        * and HAS_CHANGES being accumulated in rev->diffopt, so be careful to
+        * retain that state information if replacing rev->diffopt in this loop
+        */
        while ((commit = get_revision(rev)) != NULL) {
                log_tree_commit(rev, commit);
                if (!rev->reflog_info) {
@@ -227,19 +232,19 @@ static int cmd_log_walk(struct rev_info *rev)
                free_commit_list(commit->parents);
                commit->parents = NULL;
        }
-       return 0;
+       if (rev->diffopt.output_format & DIFF_FORMAT_CHECKDIFF &&
+           DIFF_OPT_TST(&rev->diffopt, CHECK_FAILED)) {
+               return 02;
+       }
+       return diff_result_code(&rev->diffopt, 0);
 }
 
 static int git_log_config(const char *var, const char *value, void *cb)
 {
        if (!strcmp(var, "format.pretty"))
                return git_config_string(&fmt_pretty, var, value);
-       if (!strcmp(var, "format.subjectprefix")) {
-               if (!value)
-                       config_error_nonbool(var);
-               fmt_patch_subject_prefix = xstrdup(value);
-               return 0;
-       }
+       if (!strcmp(var, "format.subjectprefix"))
+               return git_config_string(&fmt_patch_subject_prefix, var, value);
        if (!strcmp(var, "log.date"))
                return git_config_string(&default_date_mode, var, value);
        if (!strcmp(var, "log.showroot")) {
@@ -317,7 +322,7 @@ static int show_object(const unsigned char *sha1, int show_tag_object,
 
 static int show_tree_object(const unsigned char *sha1,
                const char *base, int baselen,
-               const char *pathname, unsigned mode, int stage)
+               const char *pathname, unsigned mode, int stage, void *context)
 {
        printf("%s%s\n", pathname, S_ISDIR(mode) ? "/" : "");
        return 0;
@@ -370,7 +375,7 @@ int cmd_show(int argc, const char **argv, const char *prefix)
                                        name,
                                        diff_get_color_opt(&rev.diffopt, DIFF_RESET));
                        read_tree_recursive((struct tree *)o, "", 0, 0, NULL,
-                                       show_tree_object);
+                                       show_tree_object, NULL);
                        break;
                case OBJ_COMMIT:
                        rev.pending.nr = rev.pending.alloc = 0;
@@ -465,7 +470,7 @@ static int extra_cc_alloc;
 static void add_header(const char *value)
 {
        int len = strlen(value);
-       while (value[len - 1] == '\n')
+       while (len && value[len - 1] == '\n')
                len--;
        if (!strncasecmp(value, "to: ", 4)) {
                ALLOC_GROW(extra_to, extra_to_nr + 1, extra_to_alloc);
@@ -489,12 +494,8 @@ static int git_format_config(const char *var, const char *value, void *cb)
                add_header(value);
                return 0;
        }
-       if (!strcmp(var, "format.suffix")) {
-               if (!value)
-                       return config_error_nonbool(var);
-               fmt_patch_suffix = xstrdup(value);
-               return 0;
-       }
+       if (!strcmp(var, "format.suffix"))
+               return git_config_string(&fmt_patch_suffix, var, value);
        if (!strcmp(var, "format.cc")) {
                if (!value)
                        return config_error_nonbool(var);
@@ -931,7 +932,8 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
        if (argc > 1)
                die ("unrecognized argument: %s", argv[1]);
 
-       if (!rev.diffopt.output_format)
+       if (!rev.diffopt.output_format
+               || rev.diffopt.output_format == DIFF_FORMAT_PATCH)
                rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT | DIFF_FORMAT_SUMMARY | DIFF_FORMAT_PATCH;
 
        if (!DIFF_OPT_TST(&rev.diffopt, TEXT) && !no_binary_diff)
@@ -1090,7 +1092,7 @@ static int add_pending_commit(const char *arg, struct rev_info *revs, int flags)
 }
 
 static const char cherry_usage[] =
-"git-cherry [-v] <upstream> [<head>] [<limit>]";
+"git cherry [-v] <upstream> [<head>] [<limit>]";
 int cmd_cherry(int argc, const char **argv, const char *prefix)
 {
        struct rev_info revs;