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status: print branch info with --porcelain=v2 --branch

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Expand porcelain v2 output to include branch and tracking
branch information. This includes the commit id, the branch,
the upstream branch, and the ahead and behind counts.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff Hostetler 2016-08-11 10:45:59 -04:00 committed by Junio C Hamano
parent 24959bad5d
commit d9fc746cd7
3 changed files with 96 additions and 0 deletions
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5
builtin/commit.c
View File

@ -510,6 +510,8 @@ static int run_status(FILE *fp, const char *index_file, const char *prefix, int
s->fp = fp;
s->nowarn = nowarn;
s->is_initial = get_sha1(s->reference, sha1) ? 1 : 0;
if (!s->is_initial)
hashcpy(s->sha1_commit, sha1);
s->status_format = status_format;
s->ignore_submodule_arg = ignore_submodule_arg;
@ -1378,6 +1380,9 @@ int cmd_status(int argc, const char **argv, const char *prefix)
fd = hold_locked_index(&index_lock, 0);
s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0;
if (!s.is_initial)
hashcpy(s.sha1_commit, sha1);
s.ignore_submodule_arg = ignore_submodule_arg;
s.status_format = status_format;
s.verbose = verbose;

90
wt-status.c
View File

@ -1812,6 +1812,92 @@ static void wt_porcelain_print(struct wt_status *s)
wt_shortstatus_print(s);
}
/*
* Print branch information for porcelain v2 output. These lines
* are printed when the '--branch' parameter is given.
*
* # branch.oid <commit><eol>
* # branch.head <head><eol>
* [# branch.upstream <upstream><eol>
* [# branch.ab +<ahead> -<behind><eol>]]
*
* <commit> ::= the current commit hash or the the literal
* "(initial)" to indicate an initialized repo
* with no commits.
*
* <head> ::= <branch_name> the current branch name or
* "(detached)" literal when detached head or
* "(unknown)" when something is wrong.
*
* <upstream> ::= the upstream branch name, when set.
*
* <ahead> ::= integer ahead value, when upstream set
* and the commit is present (not gone).
*
* <behind> ::= integer behind value, when upstream set
* and commit is present.
*
*
* The end-of-line is defined by the -z flag.
*
* <eol> ::= NUL when -z,
* LF when NOT -z.
*
*/
static void wt_porcelain_v2_print_tracking(struct wt_status *s)
{
struct branch *branch;
const char *base;
const char *branch_name;
struct wt_status_state state;
int ab_info, nr_ahead, nr_behind;
char eol = s->null_termination ? '\0' : '\n';
memset(&state, 0, sizeof(state));
wt_status_get_state(&state, s->branch && !strcmp(s->branch, "HEAD"));
fprintf(s->fp, "# branch.oid %s%c",
(s->is_initial ? "(initial)" : sha1_to_hex(s->sha1_commit)),
eol);
if (!s->branch)
fprintf(s->fp, "# branch.head %s%c", "(unknown)", eol);
else {
if (!strcmp(s->branch, "HEAD")) {
fprintf(s->fp, "# branch.head %s%c", "(detached)", eol);
if (state.rebase_in_progress || state.rebase_interactive_in_progress)
branch_name = state.onto;
else if (state.detached_from)
branch_name = state.detached_from;
else
branch_name = "";
} else {
branch_name = NULL;
skip_prefix(s->branch, "refs/heads/", &branch_name);
fprintf(s->fp, "# branch.head %s%c", branch_name, eol);
}
/* Lookup stats on the upstream tracking branch, if set. */
branch = branch_get(branch_name);
base = NULL;
ab_info = (stat_tracking_info(branch, &nr_ahead, &nr_behind, &base) == 0);
if (base) {
base = shorten_unambiguous_ref(base, 0);
fprintf(s->fp, "# branch.upstream %s%c", base, eol);
free((char *)base);
if (ab_info)
fprintf(s->fp, "# branch.ab +%d -%d%c", nr_ahead, nr_behind, eol);
}
}
free(state.branch);
free(state.onto);
free(state.detached_from);
}
/*
* Convert various submodule status values into a
* fixed-length string of characters in the buffer provided.
@ -2058,6 +2144,7 @@ static void wt_porcelain_v2_print_other(
/*
* Print porcelain V2 status.
*
* [<v2_branch>]
* [<v2_changed_items>]*
* [<v2_unmerged_items>]*
* [<v2_untracked_items>]*
@ -2070,6 +2157,9 @@ static void wt_porcelain_v2_print(struct wt_status *s)
struct string_list_item *it;
int i;
if (s->show_branch)
wt_porcelain_v2_print_tracking(s);
for (i = 0; i < s->change.nr; i++) {
it = &(s->change.items[i]);
d = it->util;

1
wt-status.h
View File

@ -80,6 +80,7 @@ struct wt_status {
int hints;
enum wt_status_format status_format;
unsigned char sha1_commit[GIT_SHA1_RAWSZ]; /* when not Initial */
/* These are computed during processing of the individual sections */
int commitable;