Merge branch 'jk/pretty-empty-format'

"git log --pretty/format=" with an empty format string did not mean
the more obvious "No output whatsoever" but "Use default format",
which was counterintuitive.

* jk/pretty-empty-format:
pretty: make empty userformats truly empty
pretty: treat "--format=" as an empty userformat
revision: drop useless string offset when parsing "--pretty"

diff --git a/combine-diff.c b/combine-diff.c
index 60cb4f81f9788efeff21d05d48f2183e94765385..91edce58e15b82428fcc5f3b006e23bf5380d38c 100644 (file)
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -1407,7 +1407,8 @@ void diff_tree_combined(const unsigned char *sha1,
                show_log(rev);
 
                if (rev->verbose_header && opt->output_format &&
-                   opt->output_format != DIFF_FORMAT_NO_OUTPUT)
+                   opt->output_format != DIFF_FORMAT_NO_OUTPUT &&
+                   !commit_format_is_empty(rev->commit_format))
                        printf("%s%c", diff_line_prefix(opt),
                               opt->line_termination);
        }

diff --git a/commit.h b/commit.h
index a8cbf52f15ff01778ba61a5a888263d424b2d8d2..aa8c3ca50af42375caf954e309d76731b4a9295e 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -159,6 +159,7 @@ extern void get_commit_format(const char *arg, struct rev_info *);
 extern const char *format_subject(struct strbuf *sb, const char *msg,
                                  const char *line_separator);
 extern void userformat_find_requirements(const char *fmt, struct userformat_want *w);
+extern int commit_format_is_empty(enum cmit_fmt);
 extern void format_commit_message(const struct commit *commit,
                                  const char *format, struct strbuf *sb,
                                  const struct pretty_print_context *context);

diff --git a/log-tree.c b/log-tree.c
index 0c53dc11abf5aa10c83b35f07452f3c00a2998d4..95e9b1da259ef33a1c5bc7f7d07e853ebc5dbcec 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -649,7 +649,7 @@ void show_log(struct rev_info *opt)
                graph_show_commit_msg(opt->graph, &msgbuf);
        else
                fwrite(msgbuf.buf, sizeof(char), msgbuf.len, stdout);
-       if (opt->use_terminator) {
+       if (opt->use_terminator && !commit_format_is_empty(opt->commit_format)) {
                if (!opt->missing_newline)
                        graph_show_padding(opt->graph);
                putchar(opt->diffopt.line_termination);
@@ -676,7 +676,8 @@ int log_tree_diff_flush(struct rev_info *opt)
                show_log(opt);
                if ((opt->diffopt.output_format & ~DIFF_FORMAT_NO_OUTPUT) &&
                    opt->verbose_header &&
-                   opt->commit_format != CMIT_FMT_ONELINE) {
+                   opt->commit_format != CMIT_FMT_ONELINE &&
+                   !commit_format_is_empty(opt->commit_format)) {
                        /*
                         * When showing a verbose header (i.e. log message),
                         * and not in --pretty=oneline format, we would want

diff --git a/pretty.c b/pretty.c
index 3a1da6fd329efe1723bdb906a907ce4160c4633a..31fc76b2fde8297298a7d9ffd38ea7f00eede2fa 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -24,6 +24,11 @@ static size_t commit_formats_len;
 static size_t commit_formats_alloc;
 static struct cmt_fmt_map *find_commit_format(const char *sought);
 
+int commit_format_is_empty(enum cmit_fmt fmt)
+{
+       return fmt == CMIT_FMT_USERFORMAT && !*user_format;
+}
+
 static void save_user_format(struct rev_info *rev, const char *cp, int is_tformat)
 {
        free(user_format);
@@ -146,7 +151,7 @@ void get_commit_format(const char *arg, struct rev_info *rev)
        struct cmt_fmt_map *commit_format;
 
        rev->use_terminator = 0;
-       if (!arg || !*arg) {
+       if (!arg) {
                rev->commit_format = CMIT_FMT_DEFAULT;
                return;
        }
@@ -155,7 +160,7 @@ void get_commit_format(const char *arg, struct rev_info *rev)
                return;
        }
 
-       if (strchr(arg, '%')) {
+       if (!*arg || strchr(arg, '%')) {
                save_user_format(rev, arg, 1);
                return;
        }

diff --git a/revision.c b/revision.c
index 2571ada6bf66ce6e945c539be4b0123e5b9648a9..615535c98453336323a437530132f27824b51ac2 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -1825,7 +1825,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
        } else if (!strcmp(arg, "--pretty")) {
                revs->verbose_header = 1;
                revs->pretty_given = 1;
-               get_commit_format(arg+8, revs);
+               get_commit_format(NULL, revs);
        } else if (starts_with(arg, "--pretty=") || starts_with(arg, "--format=")) {
                /*
                 * Detached form ("--pretty X" as opposed to "--pretty=X")