summaryrefslogtreecommitdiff
path: root/wt-status.c
diff options
context:
space:
mode:
Diffstat (limited to 'wt-status.c')
-rw-r--r--wt-status.c206
1 files changed, 144 insertions, 62 deletions
diff --git a/wt-status.c b/wt-status.c
index 54f4391..cea8e55 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -971,7 +971,7 @@ static void show_bisect_in_progress(struct wt_status *s,
{
if (state->branch)
status_printf_ln(s, color,
- _("You are currently bisecting branch '%s'."),
+ _("You are currently bisecting, started from branch '%s'."),
state->branch);
else
status_printf_ln(s, color,
@@ -985,96 +985,164 @@ static void show_bisect_in_progress(struct wt_status *s,
/*
* Extract branch information from rebase/bisect
*/
-static void read_and_strip_branch(struct strbuf *sb,
- const char **branch,
- const char *path)
+static char *read_and_strip_branch(const char *path)
{
+ struct strbuf sb = STRBUF_INIT;
unsigned char sha1[20];
- strbuf_reset(sb);
- if (strbuf_read_file(sb, git_path("%s", path), 0) <= 0)
- return;
+ if (strbuf_read_file(&sb, git_path("%s", path), 0) <= 0)
+ goto got_nothing;
- while (sb->len && sb->buf[sb->len - 1] == '\n')
- strbuf_setlen(sb, sb->len - 1);
- if (!sb->len)
- return;
- if (!prefixcmp(sb->buf, "refs/heads/"))
- *branch = sb->buf + strlen("refs/heads/");
- else if (!prefixcmp(sb->buf, "refs/"))
- *branch = sb->buf;
- else if (!get_sha1_hex(sb->buf, sha1)) {
+ while (&sb.len && sb.buf[sb.len - 1] == '\n')
+ strbuf_setlen(&sb, sb.len - 1);
+ if (!sb.len)
+ goto got_nothing;
+ if (!prefixcmp(sb.buf, "refs/heads/"))
+ strbuf_remove(&sb,0, strlen("refs/heads/"));
+ else if (!prefixcmp(sb.buf, "refs/"))
+ ;
+ else if (!get_sha1_hex(sb.buf, sha1)) {
const char *abbrev;
abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
- strbuf_reset(sb);
- strbuf_addstr(sb, abbrev);
- *branch = sb->buf;
- } else if (!strcmp(sb->buf, "detached HEAD")) /* rebase */
- ;
+ strbuf_reset(&sb);
+ strbuf_addstr(&sb, abbrev);
+ } else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
+ goto got_nothing;
else /* bisect */
- *branch = sb->buf;
+ ;
+ return strbuf_detach(&sb, NULL);
+
+got_nothing:
+ strbuf_release(&sb);
+ return NULL;
}
-static void wt_status_print_state(struct wt_status *s)
+struct grab_1st_switch_cbdata {
+ int found;
+ struct strbuf buf;
+ unsigned char nsha1[20];
+};
+
+static int grab_1st_switch(unsigned char *osha1, unsigned char *nsha1,
+ const char *email, unsigned long timestamp, int tz,
+ const char *message, void *cb_data)
{
- const char *state_color = color(WT_STATUS_HEADER, s);
- struct strbuf branch = STRBUF_INIT;
- struct strbuf onto = STRBUF_INIT;
- struct wt_status_state state;
- struct stat st;
+ struct grab_1st_switch_cbdata *cb = cb_data;
+ const char *target = NULL, *end;
- memset(&state, 0, sizeof(state));
+ if (prefixcmp(message, "checkout: moving from "))
+ return 0;
+ message += strlen("checkout: moving from ");
+ target = strstr(message, " to ");
+ if (!target)
+ return 0;
+ target += strlen(" to ");
+ strbuf_reset(&cb->buf);
+ hashcpy(cb->nsha1, nsha1);
+ for (end = target; *end && *end != '\n'; end++)
+ ;
+ strbuf_add(&cb->buf, target, end - target);
+ cb->found = 1;
+ return 1;
+}
+
+static void wt_status_get_detached_from(struct wt_status_state *state)
+{
+ struct grab_1st_switch_cbdata cb;
+ struct commit *commit;
+ unsigned char sha1[20];
+ char *ref = NULL;
+
+ strbuf_init(&cb.buf, 0);
+ if (for_each_reflog_ent_reverse("HEAD", grab_1st_switch, &cb) <= 0) {
+ strbuf_release(&cb.buf);
+ return;
+ }
+
+ if (dwim_ref(cb.buf.buf, cb.buf.len, sha1, &ref) == 1 &&
+ /* sha1 is a commit? match without further lookup */
+ (!hashcmp(cb.nsha1, sha1) ||
+ /* perhaps sha1 is a tag, try to dereference to a commit */
+ ((commit = lookup_commit_reference_gently(sha1, 1)) != NULL &&
+ !hashcmp(cb.nsha1, commit->object.sha1)))) {
+ int ofs;
+ if (!prefixcmp(ref, "refs/tags/"))
+ ofs = strlen("refs/tags/");
+ else if (!prefixcmp(ref, "refs/remotes/"))
+ ofs = strlen("refs/remotes/");
+ else
+ ofs = 0;
+ state->detached_from = xstrdup(ref + ofs);
+ } else
+ state->detached_from =
+ xstrdup(find_unique_abbrev(cb.nsha1, DEFAULT_ABBREV));
+ hashcpy(state->detached_sha1, cb.nsha1);
+
+ free(ref);
+ strbuf_release(&cb.buf);
+}
+
+void wt_status_get_state(struct wt_status_state *state,
+ int get_detached_from)
+{
+ struct stat st;
if (!stat(git_path("MERGE_HEAD"), &st)) {
- state.merge_in_progress = 1;
+ state->merge_in_progress = 1;
} else if (!stat(git_path("rebase-apply"), &st)) {
if (!stat(git_path("rebase-apply/applying"), &st)) {
- state.am_in_progress = 1;
+ state->am_in_progress = 1;
if (!stat(git_path("rebase-apply/patch"), &st) && !st.st_size)
- state.am_empty_patch = 1;
+ state->am_empty_patch = 1;
} else {
- state.rebase_in_progress = 1;
- read_and_strip_branch(&branch, &state.branch,
- "rebase-apply/head-name");
- read_and_strip_branch(&onto, &state.onto,
- "rebase-apply/onto");
+ state->rebase_in_progress = 1;
+ state->branch = read_and_strip_branch("rebase-apply/head-name");
+ state->onto = read_and_strip_branch("rebase-apply/onto");
}
} else if (!stat(git_path("rebase-merge"), &st)) {
if (!stat(git_path("rebase-merge/interactive"), &st))
- state.rebase_interactive_in_progress = 1;
+ state->rebase_interactive_in_progress = 1;
else
- state.rebase_in_progress = 1;
- read_and_strip_branch(&branch, &state.branch,
- "rebase-merge/head-name");
- read_and_strip_branch(&onto, &state.onto,
- "rebase-merge/onto");
+ state->rebase_in_progress = 1;
+ state->branch = read_and_strip_branch("rebase-merge/head-name");
+ state->onto = read_and_strip_branch("rebase-merge/onto");
} else if (!stat(git_path("CHERRY_PICK_HEAD"), &st)) {
- state.cherry_pick_in_progress = 1;
+ state->cherry_pick_in_progress = 1;
}
if (!stat(git_path("BISECT_LOG"), &st)) {
- state.bisect_in_progress = 1;
- read_and_strip_branch(&branch, &state.branch,
- "BISECT_START");
+ state->bisect_in_progress = 1;
+ state->branch = read_and_strip_branch("BISECT_START");
}
- if (state.merge_in_progress)
- show_merge_in_progress(s, &state, state_color);
- else if (state.am_in_progress)
- show_am_in_progress(s, &state, state_color);
- else if (state.rebase_in_progress || state.rebase_interactive_in_progress)
- show_rebase_in_progress(s, &state, state_color);
- else if (state.cherry_pick_in_progress)
- show_cherry_pick_in_progress(s, &state, state_color);
- if (state.bisect_in_progress)
- show_bisect_in_progress(s, &state, state_color);
- strbuf_release(&branch);
- strbuf_release(&onto);
+ if (get_detached_from)
+ wt_status_get_detached_from(state);
+}
+
+static void wt_status_print_state(struct wt_status *s,
+ struct wt_status_state *state)
+{
+ const char *state_color = color(WT_STATUS_HEADER, s);
+ if (state->merge_in_progress)
+ show_merge_in_progress(s, state, state_color);
+ else if (state->am_in_progress)
+ show_am_in_progress(s, state, state_color);
+ else if (state->rebase_in_progress || state->rebase_interactive_in_progress)
+ show_rebase_in_progress(s, state, state_color);
+ else if (state->cherry_pick_in_progress)
+ show_cherry_pick_in_progress(s, state, state_color);
+ if (state->bisect_in_progress)
+ show_bisect_in_progress(s, state, state_color);
}
void wt_status_print(struct wt_status *s)
{
const char *branch_color = color(WT_STATUS_ONBRANCH, s);
const char *branch_status_color = color(WT_STATUS_HEADER, s);
+ struct wt_status_state state;
+
+ memset(&state, 0, sizeof(state));
+ wt_status_get_state(&state,
+ s->branch && !strcmp(s->branch, "HEAD"));
if (s->branch) {
const char *on_what = _("On branch ");
@@ -1082,9 +1150,19 @@ void wt_status_print(struct wt_status *s)
if (!prefixcmp(branch_name, "refs/heads/"))
branch_name += 11;
else if (!strcmp(branch_name, "HEAD")) {
- branch_name = "";
branch_status_color = color(WT_STATUS_NOBRANCH, s);
- on_what = _("Not currently on any branch.");
+ if (state.detached_from) {
+ unsigned char sha1[20];
+ branch_name = state.detached_from;
+ if (!get_sha1("HEAD", sha1) &&
+ !hashcmp(sha1, state.detached_sha1))
+ on_what = _("HEAD detached at ");
+ else
+ on_what = _("HEAD detached from ");
+ } else {
+ branch_name = "";
+ on_what = _("Not currently on any branch.");
+ }
}
status_printf(s, color(WT_STATUS_HEADER, s), "");
status_printf_more(s, branch_status_color, "%s", on_what);
@@ -1093,7 +1171,11 @@ void wt_status_print(struct wt_status *s)
wt_status_print_tracking(s);
}
- wt_status_print_state(s);
+ wt_status_print_state(s, &state);
+ free(state.branch);
+ free(state.onto);
+ free(state.detached_from);
+
if (s->is_initial) {
status_printf_ln(s, color(WT_STATUS_HEADER, s), "");
status_printf_ln(s, color(WT_STATUS_HEADER, s), _("Initial commit"));