Merge branch 'mg/log-decorate-HEAD'

Output from "git log --decorate" mentions HEAD when it points at a
tip of an branch differently from a detached HEAD.

This is a potentially backward-incompatible change.

* mg/log-decorate-HEAD:
  log: decorate HEAD with branch name
This commit is contained in:
Junio C Hamano 2015-03-20 13:51:24 -07:00
Родитель 5f456b3c26 51ff0f27bc
Коммит 46d403f13e
3 изменённых файлов: 72 добавлений и 13 удалений

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@ -172,6 +172,43 @@ 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 (!skip_prefix(branch_name, "refs/heads/", &branch_name))
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;
}
/*
* The caller makes sure there is no funny color before calling.
* format_decorations_extended makes sure the same after return.
@ -184,6 +221,7 @@ 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 =
@ -192,16 +230,37 @@ 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, color_reset);
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: ");
strbuf_addstr(sb, decoration->name);
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));
strbuf_addstr(sb, current_and_HEAD->name);
}
strbuf_addstr(sb, color_reset);
prefix = separator;
}
decoration = decoration->next;
}
strbuf_addstr(sb, color_commit);

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@ -5,7 +5,7 @@ Date: Mon Jun 26 00:06:00 2006 +0000
Rearranged lines in dir/sub
commit 59d314ad6f356dd08601a4cd5e530381da3e3c64 (HEAD, master)
commit 59d314ad6f356dd08601a4cd5e530381da3e3c64 (HEAD -> master)
Merge: 9a6d494 c7a2ab9
Author: A U Thor <author@example.com>
Date: Mon Jun 26 00:04:00 2006 +0000

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@ -44,10 +44,10 @@ test_expect_success setup '
'
cat >expected <<EOF
${c_commit}COMMIT_ID${c_reset}${c_commit} (${c_reset}${c_HEAD}HEAD${c_reset}${c_commit},\
${c_commit}COMMIT_ID${c_reset}${c_commit} (${c_reset}${c_HEAD}HEAD${c_reset}${c_commit} ->\
${c_reset}${c_branch}master${c_reset}${c_commit},\
${c_reset}${c_tag}tag: v1.0${c_reset}${c_commit},\
${c_reset}${c_tag}tag: B${c_reset}${c_commit},\
${c_reset}${c_branch}master${c_reset}${c_commit})${c_reset} B
${c_reset}${c_tag}tag: B${c_reset}${c_commit})${c_reset} B
${c_commit}COMMIT_ID${c_reset}${c_commit} (${c_reset}${c_tag}tag: A1${c_reset}${c_commit},\
${c_reset}${c_remoteBranch}other/master${c_reset}${c_commit})${c_reset} A1
${c_commit}COMMIT_ID${c_reset}${c_commit} (${c_reset}${c_stash}refs/stash${c_reset}${c_commit})${c_reset}\