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-rw-r--r--Documentation/pretty-formats.txt2
-rw-r--r--pretty.c17
-rwxr-xr-xt/t4205-log-pretty-formats.sh26
3 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt
index 3bcee2ddb..47b286b33 100644
--- a/Documentation/pretty-formats.txt
+++ b/Documentation/pretty-formats.txt
@@ -199,6 +199,8 @@ endif::git-rev-list[]
than given and there are spaces on its left, use those spaces
- '%><(<N>)', '%><|(<N>)': similar to '% <(<N>)', '%<|(<N>)'
respectively, but padding both sides (i.e. the text is centered)
+-%(trailers): display the trailers of the body as interpreted by
+ linkgit:git-interpret-trailers[1]
NOTE: Some placeholders may depend on other options given to the
revision traversal engine. For example, the `%g*` reflog options will
diff --git a/pretty.c b/pretty.c
index 37b2c3b1f..5e683830d 100644
--- a/pretty.c
+++ b/pretty.c
@@ -10,6 +10,7 @@
#include "color.h"
#include "reflog-walk.h"
#include "gpg-interface.h"
+#include "trailer.h"
static char *user_format;
static struct cmt_fmt_map {
@@ -889,6 +890,16 @@ const char *format_subject(struct strbuf *sb, const char *msg,
return msg;
}
+static void format_trailers(struct strbuf *sb, const char *msg)
+{
+ struct trailer_info info;
+
+ trailer_info_get(&info, msg);
+ strbuf_add(sb, info.trailer_start,
+ info.trailer_end - info.trailer_start);
+ trailer_info_release(&info);
+}
+
static void parse_commit_message(struct format_commit_context *c)
{
const char *msg = c->message + c->message_off;
@@ -1292,6 +1303,12 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */
strbuf_addstr(sb, msg + c->body_off);
return 1;
}
+
+ if (starts_with(placeholder, "(trailers)")) {
+ format_trailers(sb, msg + c->subject_off);
+ return strlen("(trailers)");
+ }
+
return 0; /* unknown placeholder */
}
diff --git a/t/t4205-log-pretty-formats.sh b/t/t4205-log-pretty-formats.sh
index f5435fd25..21eb8c858 100755
--- a/t/t4205-log-pretty-formats.sh
+++ b/t/t4205-log-pretty-formats.sh
@@ -535,4 +535,30 @@ test_expect_success 'clean log decoration' '
test_cmp expected actual1
'
+cat >trailers <<EOF
+Signed-off-by: A U Thor <author@example.com>
+Acked-by: A U Thor <author@example.com>
+[ v2 updated patch description ]
+Signed-off-by: A U Thor <author@example.com>
+EOF
+
+test_expect_success 'pretty format %(trailers) shows trailers' '
+ echo "Some contents" >trailerfile &&
+ git add trailerfile &&
+ git commit -F - <<-EOF &&
+ trailers: this commit message has trailers
+
+ This commit is a test commit with trailers at the end. We parse this
+ message and display the trailers using %bT
+
+ $(cat trailers)
+ EOF
+ git log --no-walk --pretty="%(trailers)" >actual &&
+ cat >expect <<-EOF &&
+ $(cat trailers)
+
+ EOF
+ test_cmp expect actual
+'
+
test_done