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Diffstat (limited to 'log-tree.c')
-rw-r--r--log-tree.c103
1 files changed, 87 insertions, 16 deletions
diff --git a/log-tree.c b/log-tree.c
index 7f0890e4ac..8dba7be92e 100644
--- a/log-tree.c
+++ b/log-tree.c
@@ -13,6 +13,8 @@
#include "line-log.h"
static struct decoration name_decoration = { "object names" };
+static int decoration_loaded;
+static int decoration_flags;
static char decoration_colors[][COLOR_MAXLEN] = {
GIT_COLOR_RESET,
@@ -92,6 +94,8 @@ static int add_ref_decoration(const char *refname, const unsigned char *sha1, in
struct object *obj;
enum decoration_type type = DECORATION_NONE;
+ assert(cb_data == NULL);
+
if (starts_with(refname, "refs/replace/")) {
unsigned char original_sha1[20];
if (!check_replace_refs)
@@ -121,8 +125,6 @@ static int add_ref_decoration(const char *refname, const unsigned char *sha1, in
else if (!strcmp(refname, "HEAD"))
type = DECORATION_REF_HEAD;
- if (!cb_data || *(int *)cb_data == DECORATE_SHORT_REFS)
- refname = prettify_refname(refname);
add_name_decoration(type, refname, obj);
while (obj->type == OBJ_TAG) {
obj = ((struct tag *)obj)->tagged;
@@ -137,7 +139,7 @@ static int add_ref_decoration(const char *refname, const unsigned char *sha1, in
static int add_graft_decoration(const struct commit_graft *graft, void *cb_data)
{
- struct commit *commit = lookup_commit(graft->sha1);
+ struct commit *commit = lookup_commit(graft->oid.hash);
if (!commit)
return 0;
add_name_decoration(DECORATION_GRAFTED, "grafted", &commit->object);
@@ -146,11 +148,11 @@ static int add_graft_decoration(const struct commit_graft *graft, void *cb_data)
void load_ref_decorations(int flags)
{
- static int loaded;
- if (!loaded) {
- loaded = 1;
- for_each_ref(add_ref_decoration, &flags);
- head_ref(add_ref_decoration, &flags);
+ if (!decoration_loaded) {
+ decoration_loaded = 1;
+ decoration_flags = flags;
+ for_each_ref(add_ref_decoration, NULL);
+ head_ref(add_ref_decoration, NULL);
for_each_commit_graft(add_graft_decoration, NULL);
}
}
@@ -173,6 +175,52 @@ static void show_children(struct rev_info *opt, struct commit *commit, int abbre
}
/*
+ * Do we have HEAD in the output, and also the branch it points at?
+ * If so, find that decoration entry for that current branch.
+ */
+static const struct name_decoration *current_pointed_by_HEAD(const struct name_decoration *decoration)
+{
+ const struct name_decoration *list, *head = NULL;
+ const char *branch_name = NULL;
+ unsigned char unused[20];
+ int rru_flags;
+
+ /* First find HEAD */
+ for (list = decoration; list; list = list->next)
+ if (list->type == DECORATION_REF_HEAD) {
+ head = list;
+ break;
+ }
+ if (!head)
+ return NULL;
+
+ /* Now resolve and find the matching current branch */
+ branch_name = resolve_ref_unsafe("HEAD", 0, unused, &rru_flags);
+ if (!(rru_flags & REF_ISSYMREF))
+ return NULL;
+
+ if (!starts_with(branch_name, "refs/"))
+ return NULL;
+
+ /* OK, do we have that ref in the list? */
+ for (list = decoration; list; list = list->next)
+ if ((list->type == DECORATION_REF_LOCAL) &&
+ !strcmp(branch_name, list->name)) {
+ return list;
+ }
+
+ return NULL;
+}
+
+static void show_name(struct strbuf *sb, const struct name_decoration *decoration)
+{
+ if (decoration_flags == DECORATE_SHORT_REFS)
+ strbuf_addstr(sb, prettify_refname(decoration->name));
+ else
+ strbuf_addstr(sb, decoration->name);
+}
+
+/*
* The caller makes sure there is no funny color before calling.
* format_decorations_extended makes sure the same after return.
*/
@@ -184,6 +232,7 @@ void format_decorations_extended(struct strbuf *sb,
const char *suffix)
{
const struct name_decoration *decoration;
+ const struct name_decoration *current_and_HEAD;
const char *color_commit =
diff_get_color(use_color, DIFF_COMMIT);
const char *color_reset =
@@ -192,15 +241,37 @@ void format_decorations_extended(struct strbuf *sb,
decoration = get_name_decoration(&commit->object);
if (!decoration)
return;
+
+ current_and_HEAD = current_pointed_by_HEAD(decoration);
while (decoration) {
- 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)
- strbuf_addstr(sb, "tag: ");
- strbuf_addstr(sb, decoration->name);
- strbuf_addstr(sb, color_reset);
- prefix = separator;
+ /*
+ * When both current and HEAD are there, only
+ * show HEAD->current where HEAD would have
+ * appeared, skipping the entry for current.
+ */
+ if (decoration != current_and_HEAD) {
+ strbuf_addstr(sb, color_commit);
+ strbuf_addstr(sb, prefix);
+ strbuf_addstr(sb, color_reset);
+ strbuf_addstr(sb, decorate_get_color(use_color, decoration->type));
+ if (decoration->type == DECORATION_REF_TAG)
+ strbuf_addstr(sb, "tag: ");
+
+ show_name(sb, decoration);
+
+ if (current_and_HEAD &&
+ decoration->type == DECORATION_REF_HEAD) {
+ strbuf_addstr(sb, color_reset);
+ strbuf_addstr(sb, color_commit);
+ strbuf_addstr(sb, " -> ");
+ strbuf_addstr(sb, color_reset);
+ strbuf_addstr(sb, decorate_get_color(use_color, current_and_HEAD->type));
+ show_name(sb, current_and_HEAD);
+ }
+ strbuf_addstr(sb, color_reset);
+
+ prefix = separator;
+ }
decoration = decoration->next;
}
strbuf_addstr(sb, color_commit);