Add %m to '--pretty=format:'

When used with '--boundary A...B', this shows the -/</> marker
you would get with --left-right option to 'git-log' family.
When symmetric diff is not used, everybody is shown to be on the
"right" branch.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt
index 2fe6c319675926afe1609ad7c221dceb42c82310..d7ffc21ddf1e1241d8c485920e6ce56fe38c3f35 100644 (file)
--- a/Documentation/pretty-formats.txt
+++ b/Documentation/pretty-formats.txt
@@ -117,6 +117,7 @@ The placeholders are:
 - '%Cgreen': switch color to green
 - '%Cblue': switch color to blue
 - '%Creset': reset color
+- '%m': left, right or boundary mark
 - '%n': newline
 
 

diff --git a/commit.c b/commit.c
index 754d1b8a0b8282fd3d1d6bd8f6ccb21b407504a5..952095faa70dd8f5166f106a83382e50e131897a 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -4,6 +4,8 @@
 #include "pkt-line.h"
 #include "utf8.h"
 #include "interpolate.h"
+#include "diff.h"
+#include "revision.h"
 
 int save_commit_buffer = 1;
 
@@ -808,7 +810,8 @@ static long format_commit_message(const struct commit *commit,
                { "%Cgreen" },  /* green */
                { "%Cblue" },   /* blue */
                { "%Creset" },  /* reset color */
-               { "%n" }        /* newline */
+               { "%n" },       /* newline */
+               { "%m" },       /* left/right/bottom */
        };
        enum interp_index {
                IHASH = 0, IHASH_ABBREV,
@@ -824,14 +827,15 @@ static long format_commit_message(const struct commit *commit,
                ISUBJECT,
                IBODY,
                IRED, IGREEN, IBLUE, IRESET_COLOR,
-               INEWLINE
+               INEWLINE,
+               ILEFT_RIGHT,
        };
        struct commit_list *p;
        char parents[1024];
        int i;
        enum { HEADER, SUBJECT, BODY } state;
 
-       if (INEWLINE + 1 != ARRAY_SIZE(table))
+       if (ILEFT_RIGHT + 1 != ARRAY_SIZE(table))
                die("invalid interp table!");
 
        /* these are independent of the commit */
@@ -852,6 +856,12 @@ static long format_commit_message(const struct commit *commit,
        interp_set_entry(table, ITREE_ABBREV,
                        find_unique_abbrev(commit->tree->object.sha1,
                                DEFAULT_ABBREV));
+       interp_set_entry(table, ILEFT_RIGHT,
+                        (commit->object.flags & BOUNDARY)
+                        ? "-"
+                        : (commit->object.flags & SYMMETRIC_LEFT)
+                        ? "<"
+                        : ">");
 
        parents[1] = 0;
        for (i = 0, p = commit->parents;