Avoid using non-portable `echo -n` in tests.

diff --git a/pretty.c b/pretty.c
index a29c290009587a12cdc6aec335d508d29481e697..1e799433395afa935b5ac1454c299ae873873893 100644 (file)
--- a/pretty.c
+++ b/pretty.c
@@ -5,6 +5,7 @@
 #include "revision.h"
 #include "string-list.h"
 #include "mailmap.h"
+#include "log-tree.h"
 
 static char *user_format;
 
@@ -233,7 +234,7 @@ static char *get_header(const struct commit *commit, const char *key)
 
 static char *replace_encoding_header(char *buf, const char *encoding)
 {
-       struct strbuf tmp;
+       struct strbuf tmp = STRBUF_INIT;
        size_t start, len;
        char *cp = buf;
 
@@ -249,7 +250,6 @@ static char *replace_encoding_header(char *buf, const char *encoding)
                return buf; /* should not happen but be defensive */
        len = cp + 1 - (buf + start);
 
-       strbuf_init(&tmp, 0);
        strbuf_attach(&tmp, buf, strlen(buf), strlen(buf) + 1);
        if (is_encoding_utf8(encoding)) {
                /* we have re-coded to UTF-8; drop the header */
@@ -481,6 +481,23 @@ static void parse_commit_header(struct format_commit_context *context)
        context->commit_header_parsed = 1;
 }
 
+static void format_decoration(struct strbuf *sb, const struct commit *commit)
+{
+       struct name_decoration *d;
+       const char *prefix = " (";
+
+       load_ref_decorations();
+       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 size_t format_commit_item(struct strbuf *sb, const char *placeholder,
                                void *context)
 {
@@ -573,6 +590,9 @@ static size_t format_commit_item(struct strbuf *sb, const char *placeholder,
                                 ? '<'
                                 : '>');
                return 1;
+       case 'd':
+               format_decoration(sb, commit);
+               return 1;
        }
 
        /* For the rest we have to parse the commit header. */