pretty: share code between format_decoration and show_decorations

This also adds color support to format_decorations()

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/log-tree.c b/log-tree.c
index 7cc7d598e712fab531f7c6f938be17c317161f3e..1946e9ce8d88b73f134490760f76e00b63f1be69 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -175,36 +175,52 @@ static void show_children(struct rev_info *opt, struct commit *commit, int abbre
        }
 }
 
-void show_decorations(struct rev_info *opt, struct commit *commit)
+/*
+ * The caller makes sure there is no funny color before
+ * calling. format_decorations makes sure the same after return.
+ */
+void format_decorations(struct strbuf *sb,
+                       const struct commit *commit,
+                       int use_color)
 {
        const char *prefix;
        struct name_decoration *decoration;
        const char *color_commit =
-               diff_get_color_opt(&opt->diffopt, DIFF_COMMIT);
+               diff_get_color(use_color, DIFF_COMMIT);
        const char *color_reset =
-               decorate_get_color_opt(&opt->diffopt, DECORATION_NONE);
+               decorate_get_color(use_color, DECORATION_NONE);
 
-       if (opt->show_source && commit->util)
-               printf("\t%s", (char *) commit->util);
-       if (!opt->show_decorations)
-               return;
        decoration = lookup_decoration(&name_decoration, &commit->object);
        if (!decoration)
                return;
        prefix = " (";
        while (decoration) {
-               printf("%s", prefix);
-               fputs(decorate_get_color_opt(&opt->diffopt, decoration->type),
-                     stdout);
+               strbuf_addstr(sb, color_commit);
+               strbuf_addstr(sb, prefix);
+               strbuf_addstr(sb, decorate_get_color(use_color, decoration->type));
                if (decoration->type == DECORATION_REF_TAG)
-                       fputs("tag: ", stdout);
-               printf("%s", decoration->name);
-               fputs(color_reset, stdout);
-               fputs(color_commit, stdout);
+                       strbuf_addstr(sb, "tag: ");
+               strbuf_addstr(sb, decoration->name);
+               strbuf_addstr(sb, color_reset);
                prefix = ", ";
                decoration = decoration->next;
        }
-       putchar(')');
+       strbuf_addstr(sb, color_commit);
+       strbuf_addch(sb, ')');
+       strbuf_addstr(sb, color_reset);
+}
+
+void show_decorations(struct rev_info *opt, struct commit *commit)
+{
+       struct strbuf sb = STRBUF_INIT;
+
+       if (opt->show_source && commit->util)
+               printf("\t%s", (char *) commit->util);
+       if (!opt->show_decorations)
+               return;
+       format_decorations(&sb, commit, opt->diffopt.use_color);
+       fputs(sb.buf, stdout);
+       strbuf_release(&sb);
 }
 
 static unsigned int digits_in_number(unsigned int number)
@@ -540,8 +556,8 @@ void show_log(struct rev_info *opt)
                        printf(" (from %s)",
                               find_unique_abbrev(parent->object.sha1,
                                                  abbrev_commit));
+               fputs(diff_get_color_opt(&opt->diffopt, DIFF_RESET), stdout);
                show_decorations(opt, commit);
-               printf("%s", diff_get_color_opt(&opt->diffopt, DIFF_RESET));
                if (opt->commit_format == CMIT_FMT_ONELINE) {
                        putchar(' ');
                } else {

diff --git a/log-tree.h b/log-tree.h
index 9140f48216be10085c9a1aea7ef1d210817c3332..d6ecd4dc46b82147c5c7e00dcfa2e9088ab00d7c 100644 (file)
--- a/log-tree.h
+++ b/log-tree.h
@@ -13,6 +13,7 @@ int log_tree_diff_flush(struct rev_info *);
 int log_tree_commit(struct rev_info *, struct commit *);
 int log_tree_opt_parse(struct rev_info *, const char **, int);
 void show_log(struct rev_info *opt);
+void format_decorations(struct strbuf *sb, const struct commit *commit, int use_color);
 void show_decorations(struct rev_info *opt, struct commit *commit);
 void log_write_email_headers(struct rev_info *opt, struct commit *commit,
                             const char **subject_p,

diff --git a/pretty.c b/pretty.c
index e59688bcf5d07b562d11d25fc2d2d70a4388fda7..e0f93bab0d5a02afc7b4657e7a80e1427ceff5ce 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -908,23 +908,6 @@ static void parse_commit_message(struct format_commit_context *c)
        c->commit_message_parsed = 1;
 }
 
-static void format_decoration(struct strbuf *sb, const struct commit *commit)
-{
-       struct name_decoration *d;
-       const char *prefix = " (";
-
-       load_ref_decorations(DECORATE_SHORT_REFS);
-       d = lookup_decoration(&name_decoration, &commit->object);
-       while (d) {
-               strbuf_addstr(sb, prefix);
-               prefix = ", ";
-               strbuf_addstr(sb, d->name);
-               d = d->next;
-       }
-       if (prefix[0] == ',')
-               strbuf_addch(sb, ')');
-}
-
 static void strbuf_wrap(struct strbuf *sb, size_t pos,
                        size_t width, size_t indent1, size_t indent2)
 {
@@ -1103,7 +1086,8 @@ static size_t format_commit_one(struct strbuf *sb, const char *placeholder,
                strbuf_addstr(sb, get_revision_mark(NULL, commit));
                return 1;
        case 'd':
-               format_decoration(sb, commit);
+               load_ref_decorations(DECORATE_SHORT_REFS);
+               format_decorations(sb, commit, 0);
                return 1;
        case 'g':               /* reflog info */
                switch(placeholder[1]) {

diff --git a/t/t4207-log-decoration-colors.sh b/t/t4207-log-decoration-colors.sh
index bbde31b0196ae9c5ba3da33bfdb6f8c4f9c8f4e9..925f577a3c4652bed253787d5f540a415b16fccf 100755 (executable)
--- a/t/t4207-log-decoration-colors.sh
+++ b/t/t4207-log-decoration-colors.sh
@@ -44,15 +44,15 @@ test_expect_success setup '
 '
 
 cat >expected <<EOF
-${c_commit}COMMIT_ID (${c_HEAD}HEAD${c_reset}${c_commit},\
+${c_commit}COMMIT_ID${c_reset}${c_commit} (${c_HEAD}HEAD${c_reset}${c_commit},\
  ${c_tag}tag: v1.0${c_reset}${c_commit},\
  ${c_tag}tag: B${c_reset}${c_commit},\
  ${c_branch}master${c_reset}${c_commit})${c_reset} B
-${c_commit}COMMIT_ID (${c_tag}tag: A1${c_reset}${c_commit},\
+${c_commit}COMMIT_ID${c_reset}${c_commit} (${c_tag}tag: A1${c_reset}${c_commit},\
  ${c_remoteBranch}other/master${c_reset}${c_commit})${c_reset} A1
-${c_commit}COMMIT_ID (${c_stash}refs/stash${c_reset}${c_commit})${c_reset}\
+${c_commit}COMMIT_ID${c_reset}${c_commit} (${c_stash}refs/stash${c_reset}${c_commit})${c_reset}\
  On master: Changes to A.t
-${c_commit}COMMIT_ID (${c_tag}tag: A${c_reset}${c_commit})${c_reset} A
+${c_commit}COMMIT_ID${c_reset}${c_commit} (${c_tag}tag: A${c_reset}${c_commit})${c_reset} A
 EOF
 
 # We want log to show all, but the second parent to refs/stash is irrelevant