static void check_aliased_update(struct command *cmd, struct string_list *list)
{
struct strbuf buf = STRBUF_INIT;
const char *dst_name;
struct string_list_item *item;
struct command *dst_cmd;
unsigned char sha1[20];
char cmd_oldh[41], cmd_newh[41], dst_oldh[41], dst_newh[41];
int flag;
strbuf_addf(&buf, "%s%s", get_git_namespace(), cmd->ref_name);
dst_name = resolve_ref_unsafe(buf.buf, sha1, 0, &flag);
strbuf_release(&buf);
if (!(flag & REF_ISSYMREF))
return;
dst_name = strip_namespace(dst_name);
if (!dst_name) {
rp_error("refusing update to broken symref '%s'", cmd->ref_name);
cmd->skip_update = 1;
cmd->error_string = "broken symref";
return;
}
if ((item = string_list_lookup(list, dst_name)) == NULL)
return;
cmd->skip_update = 1;
dst_cmd = (struct command *) item->util;
if (!hashcmp(cmd->old_sha1, dst_cmd->old_sha1) &&
!hashcmp(cmd->new_sha1, dst_cmd->new_sha1))
return;
dst_cmd->skip_update = 1;
strcpy(cmd_oldh, find_unique_abbrev(cmd->old_sha1, DEFAULT_ABBREV));
strcpy(cmd_newh, find_unique_abbrev(cmd->new_sha1, DEFAULT_ABBREV));
strcpy(dst_oldh, find_unique_abbrev(dst_cmd->old_sha1, DEFAULT_ABBREV));
strcpy(dst_newh, find_unique_abbrev(dst_cmd->new_sha1, DEFAULT_ABBREV));
rp_error("refusing inconsistent update between symref '%s' (%s..%s) and"
" its target '%s' (%s..%s)",
cmd->ref_name, cmd_oldh, cmd_newh,
dst_cmd->ref_name, dst_oldh, dst_newh);
cmd->error_string = dst_cmd->error_string =
"inconsistent aliased update";
}
static void describe_detached_head(const char *msg, struct commit *commit)
{
struct strbuf sb = STRBUF_INIT;
if (!parse_commit(commit))
pp_commit_easy(CMIT_FMT_ONELINE, commit, &sb);
if (print_sha1_ellipsis()) {
fprintf(stderr, "%s %s... %s\n", msg,
find_unique_abbrev(&commit->object.oid, DEFAULT_ABBREV), sb.buf);
} else {
fprintf(stderr, "%s %s %s\n", msg,
find_unique_abbrev(&commit->object.oid, DEFAULT_ABBREV), sb.buf);
}
strbuf_release(&sb);
}
static void print_commit(char sign, struct commit *commit, int verbose,
int abbrev)
{
if (!verbose) {
printf("%c %s\n", sign,
find_unique_abbrev(commit->object.sha1, abbrev));
} else {
struct strbuf buf = STRBUF_INIT;
pp_commit_easy(CMIT_FMT_ONELINE, commit, &buf);
printf("%c %s %s\n", sign,
find_unique_abbrev(commit->object.sha1, abbrev),
buf.buf);
strbuf_release(&buf);
}
}
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)
{
struct grab_1st_switch_cbdata *cb = cb_data;
const char *target = NULL, *end;
if (!starts_with(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++)
;
if (!memcmp(target, "HEAD", end - target)) {
/* HEAD is relative. Resolve it to the right reflog entry. */
strbuf_addstr(&cb->buf,
find_unique_abbrev(nsha1, DEFAULT_ABBREV));
return 1;
}
strbuf_add(&cb->buf, target, end - target);
return 1;
}
/*
* Turn
* "pick d6a2f0303e897ec257dd0e0a39a5ccb709bc2047 some message"
* into
* "pick d6a2f03 some message"
*
* The function assumes that the line does not contain useless spaces
* before or after the command.
*/
static void abbrev_sha1_in_line(struct strbuf *line)
{
struct strbuf **split;
int i;
if (starts_with(line->buf, "exec ") ||
starts_with(line->buf, "x "))
return;
split = strbuf_split_max(line, ' ', 3);
if (split[0] && split[1]) {
unsigned char sha1[20];
const char *abbrev;
/*
* strbuf_split_max left a space. Trim it and re-add
* it after abbreviation.
*/
strbuf_trim(split[1]);
if (!get_sha1(split[1]->buf, sha1)) {
abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
strbuf_reset(split[1]);
strbuf_addf(split[1], "%s ", abbrev);
strbuf_reset(line);
for (i = 0; split[i]; i++)
strbuf_addf(line, "%s", split[i]->buf);
}
}
for (i = 0; split[i]; i++)
strbuf_release(split[i]);
}
static void show_one_commit(struct commit *commit, int no_name)
{
char pretty[256], *cp;
struct commit_name *name = commit->object.util;
if (commit->object.parsed)
pretty_print_commit(CMIT_FMT_ONELINE, commit->buffer, ~0,
pretty, sizeof(pretty));
else
strcpy(pretty, "(unavailable)");
if (!strncmp(pretty, "[PATCH] ", 8))
cp = pretty + 8;
else
cp = pretty;
if (!no_name) {
if (name && name->head_name) {
printf("[%s", name->head_name);
if (name->generation) {
if (name->generation == 1)
printf("^");
else
printf("~%d", name->generation);
}
printf("] ");
}
else
printf("[%s] ",
find_unique_abbrev(commit->object.sha1, 7));
}
puts(cp);
}
/*
* Extract branch information from rebase/bisect
*/
static void read_and_strip_branch(struct strbuf *sb,
const char **branch,
const char *path)
{
unsigned char sha1[20];
strbuf_reset(sb);
if (strbuf_read_file(sb, git_path("%s", path), 0) <= 0)
return;
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)) {
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 */
;
else /* bisect */
*branch = sb->buf;
}
static void add_merge_info(enum cmit_fmt fmt, struct strbuf *sb,
const struct commit *commit, int abbrev)
{
struct commit_list *parent = commit->parents;
if ((fmt == CMIT_FMT_ONELINE) || (fmt == CMIT_FMT_EMAIL) ||
!parent || !parent->next)
return;
strbuf_addstr(sb, "Merge:");
while (parent) {
struct commit *p = parent->item;
const char *hex = NULL;
const char *dots;
if (abbrev)
hex = find_unique_abbrev(p->object.sha1, abbrev);
if (!hex)
hex = sha1_to_hex(p->object.sha1);
dots = (abbrev && strlen(hex) != 40) ? "..." : "";
parent = parent->next;
strbuf_addf(sb, " %s%s", hex, dots);
}
strbuf_addch(sb, '\n');
}
static void show_children(struct rev_info *opt, struct commit *commit, int abbrev)
{
struct commit_list *p = lookup_decoration(&opt->children, &commit->object);
for ( ; p; p = p->next) {
printf(" %s", find_unique_abbrev(p->item->object.sha1, abbrev));
}
}
/* See grab_values */
static void grab_common_values(struct atom_value *val, int deref, struct object *obj, void *buf, unsigned long sz)
{
int i;
for (i = 0; i < used_atom_cnt; i++) {
const char *name = used_atom[i];
struct atom_value *v = &val[i];
if (!!deref != (*name == '*'))
continue;
if (deref)
name++;
if (!strcmp(name, "objecttype"))
v->s = typename(obj->type);
else if (!strcmp(name, "objectsize")) {
char *s = xmalloc(40);
sprintf(s, "%lu", sz);
v->ul = sz;
v->s = s;
}
else if (!strcmp(name, "objectname")) {
char *s = xmalloc(41);
strcpy(s, sha1_to_hex(obj->sha1));
v->s = s;
}
else if (!strcmp(name, "objectname:short")) {
v->s = xstrdup(find_unique_abbrev(obj->sha1,
DEFAULT_ABBREV));
}
}
static void show_one_commit(struct commit *commit, int no_name)
{
struct strbuf pretty = STRBUF_INIT;
const char *pretty_str = "(unavailable)";
struct commit_name *name = commit->util;
if (commit->object.parsed) {
struct pretty_print_context ctx = {0};
pretty_print_commit(CMIT_FMT_ONELINE, commit, &pretty, &ctx);
pretty_str = pretty.buf;
}
if (!prefixcmp(pretty_str, "[PATCH] "))
pretty_str += 8;
if (!no_name) {
if (name && name->head_name) {
printf("[%s", name->head_name);
if (name->generation) {
if (name->generation == 1)
printf("^");
else
printf("~%d", name->generation);
}
printf("] ");
}
else
printf("[%s] ",
find_unique_abbrev(commit->object.sha1,
DEFAULT_ABBREV));
}
puts(pretty_str);
strbuf_release(&pretty);
}
static int get_message(struct commit *commit, struct commit_message *out)
{
const char *abbrev, *subject;
int abbrev_len, subject_len;
char *q;
if (!git_commit_encoding)
git_commit_encoding = "UTF-8";
out->message = logmsg_reencode(commit, NULL, git_commit_encoding);
abbrev = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV);
abbrev_len = strlen(abbrev);
subject_len = find_commit_subject(out->message, &subject);
out->parent_label = xmalloc(strlen("parent of ") + abbrev_len +
strlen("... ") + subject_len + 1);
q = out->parent_label;
q = mempcpy(q, "parent of ", strlen("parent of "));
out->label = q;
q = mempcpy(q, abbrev, abbrev_len);
q = mempcpy(q, "... ", strlen("... "));
out->subject = q;
q = mempcpy(q, subject, subject_len);
*q = '\0';
return 0;
}
static char *get_oneline(const char *message)
{
char *result;
const char *p = message, *abbrev, *eol;
int abbrev_len, oneline_len;
if (!p)
die ("Could not read commit message of %s",
sha1_to_hex(commit->object.sha1));
while (*p && (*p != '\n' || p[1] != '\n'))
p++;
if (*p) {
p += 2;
for (eol = p + 1; *eol && *eol != '\n'; eol++)
; /* do nothing */
} else
eol = p;
abbrev = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV);
abbrev_len = strlen(abbrev);
oneline_len = eol - p;
result = xmalloc(abbrev_len + 5 + oneline_len);
memcpy(result, abbrev, abbrev_len);
memcpy(result + abbrev_len, "... ", 4);
memcpy(result + abbrev_len + 4, p, oneline_len);
result[abbrev_len + 4 + oneline_len] = '\0';
return result;
}
static void output_commit_title(struct merge_options *o, struct commit *commit)
{
int i;
flush_output(o);
for (i = o->call_depth; i--;)
fputs(" ", stdout);
if (commit->util)
printf("virtual %s\n", (char *)commit->util);
else {
printf("%s ", find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV));
if (parse_commit(commit) != 0)
printf("(bad commit)\n");
else {
const char *s;
int len;
for (s = commit->buffer; *s; s++)
if (*s == '\n' && s[1] == '\n') {
s += 2;
break;
}
for (len = 0; s[len] && '\n' != s[len]; len++)
; /* do nothing */
printf("%.*s\n", len, s);
}
}
}
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);
}
/*
* Extract branch information from rebase/bisect
*/
static char *read_and_strip_branch(const char *path)
{
struct strbuf sb = STRBUF_INIT;
unsigned char sha1[20];
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)
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);
} else if (!strcmp(sb.buf, "detached HEAD")) /* rebase */
goto got_nothing;
else /* bisect */
;
return strbuf_detach(&sb, NULL);
got_nothing:
strbuf_release(&sb);
return NULL;
}
static void show_worktree(struct worktree *wt, int path_maxlen, int abbrev_len)
{
struct strbuf sb = STRBUF_INIT;
int cur_path_len = strlen(wt->path);
int path_adj = cur_path_len - utf8_strwidth(wt->path);
strbuf_addf(&sb, "%-*s ", 1 + path_maxlen + path_adj, wt->path);
if (wt->is_bare)
strbuf_addstr(&sb, "(bare)");
else {
strbuf_addf(&sb, "%-*s ", abbrev_len,
find_unique_abbrev(wt->head_oid.hash, DEFAULT_ABBREV));
if (wt->is_detached)
strbuf_addstr(&sb, "(detached HEAD)");
else if (wt->head_ref) {
char *ref = shorten_unambiguous_ref(wt->head_ref, 0);
strbuf_addf(&sb, "[%s]", ref);
free(ref);
} else
strbuf_addstr(&sb, "(error)");
}
printf("%s\n", sb.buf);
strbuf_release(&sb);
}
static int delete_tag(const char *name, const char *ref,
const unsigned char *sha1)
{
if (delete_ref(ref, sha1, 0))
return 1;
printf(_("Deleted tag '%s' (was %s)\n"), name, find_unique_abbrev(sha1, DEFAULT_ABBREV));
return 0;
}
static void show_parents(struct commit *commit, int abbrev, FILE *file)
{
struct commit_list *p;
for (p = commit->parents; p ; p = p->next) {
struct commit *parent = p->item;
fprintf(file, " %s", find_unique_abbrev(parent->object.oid.hash, abbrev));
}
}
static void show_parents(struct commit *commit, int abbrev)
{
struct commit_list *p;
for (p = commit->parents; p ; p = p->next) {
struct commit *parent = p->item;
printf(" %s", find_unique_abbrev(parent->object.sha1, abbrev));
}
}
static void show_one(const char *refname, const unsigned char *sha1)
{
const char *hex = find_unique_abbrev(sha1, abbrev);
if (hash_only)
printf("%s\n", hex);
else
printf("%s %s\n", hex, refname);
}
static int update_auto_abbrev(int auto_abbrev, struct blame_origin *suspect)
{
const char *uniq = find_unique_abbrev(suspect->commit->object.oid.hash,
auto_abbrev);
int len = strlen(uniq);
if (auto_abbrev < len)
return len;
return auto_abbrev;
}
static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
int abbrev, int current)
{
char c;
int color;
struct commit *commit = item->commit;
if (!matches_merge_filter(commit))
return;
switch (item->kind) {
case REF_LOCAL_BRANCH:
color = COLOR_BRANCH_LOCAL;
break;
case REF_REMOTE_BRANCH:
color = COLOR_BRANCH_REMOTE;
break;
default:
color = COLOR_BRANCH_PLAIN;
break;
}
c = ' ';
if (current) {
c = '*';
color = COLOR_BRANCH_CURRENT;
}
if (verbose) {
struct strbuf subject = STRBUF_INIT, stat = STRBUF_INIT;
const char *sub = " **** invalid ref ****";
commit = item->commit;
if (commit && !parse_commit(commit)) {
pretty_print_commit(CMIT_FMT_ONELINE, commit,
&subject, 0, NULL, NULL, 0, 0);
sub = subject.buf;
}
if (item->kind == REF_LOCAL_BRANCH)
fill_tracking_info(&stat, item->name);
printf("%c %s%-*s%s %s %s%s\n", c, branch_get_color(color),
maxwidth, item->name,
branch_get_color(COLOR_BRANCH_RESET),
find_unique_abbrev(item->commit->object.sha1, abbrev),
stat.buf, sub);
strbuf_release(&stat);
strbuf_release(&subject);
} else {
printf("%c %s%s%s\n", c, branch_get_color(color), item->name,
branch_get_color(COLOR_BRANCH_RESET));
}
}
static void suggest_reattach(struct commit *commit, struct rev_info *revs)
{
struct commit *c, *last = NULL;
struct strbuf sb = STRBUF_INIT;
int lost = 0;
while ((c = get_revision(revs)) != NULL) {
if (lost < ORPHAN_CUTOFF)
describe_one_orphan(&sb, c);
last = c;
lost++;
}
if (ORPHAN_CUTOFF < lost) {
int more = lost - ORPHAN_CUTOFF;
if (more == 1)
describe_one_orphan(&sb, last);
else
strbuf_addf(&sb, _(" ... and %d more.\n"), more);
}
fprintf(stderr,
Q_(
/* The singular version */
"Warning: you are leaving %d commit behind, "
"not connected to\n"
"any of your branches:\n\n"
"%s\n",
/* The plural version */
"Warning: you are leaving %d commits behind, "
"not connected to\n"
"any of your branches:\n\n"
"%s\n",
/* Give ngettext() the count */
lost),
lost,
sb.buf);
strbuf_release(&sb);
if (advice_detached_head)
fprintf(stderr,
Q_(
/* The singular version */
"If you want to keep it by creating a new branch, "
"this may be a good time\nto do so with:\n\n"
" git branch <new-branch-name> %s\n\n",
/* The plural version */
"If you want to keep them by creating a new branch, "
"this may be a good time\nto do so with:\n\n"
" git branch <new-branch-name> %s\n\n",
/* Give ngettext() the count */
lost),
find_unique_abbrev(&commit->object.oid, DEFAULT_ABBREV));
}
static int get_message(const char *raw_message, struct commit_message *out)
{
const char *encoding;
const char *p, *abbrev, *eol;
char *q;
int abbrev_len, oneline_len;
if (!raw_message)
return -1;
encoding = get_encoding(raw_message);
if (!encoding)
encoding = "UTF-8";
if (!git_commit_encoding)
git_commit_encoding = "UTF-8";
out->reencoded_message = NULL;
out->message = raw_message;
if (strcmp(encoding, git_commit_encoding))
out->reencoded_message = reencode_string(raw_message,
git_commit_encoding, encoding);
if (out->reencoded_message)
out->message = out->reencoded_message;
abbrev = find_unique_abbrev(commit->object.sha1, DEFAULT_ABBREV);
abbrev_len = strlen(abbrev);
/* Find beginning and end of commit subject. */
p = out->message;
while (*p && (*p != '\n' || p[1] != '\n'))
p++;
if (*p) {
p += 2;
for (eol = p + 1; *eol && *eol != '\n'; eol++)
; /* do nothing */
} else
eol = p;
oneline_len = eol - p;
out->parent_label = xmalloc(strlen("parent of ") + abbrev_len +
strlen("... ") + oneline_len + 1);
q = out->parent_label;
q = mempcpy(q, "parent of ", strlen("parent of "));
out->label = q;
q = mempcpy(q, abbrev, abbrev_len);
q = mempcpy(q, "... ", strlen("... "));
out->subject = q;
q = mempcpy(q, p, oneline_len);
*q = '\0';
return 0;
}
static int grab_objectname(const char *name, const unsigned char *sha1,
struct atom_value *v)
{
if (!strcmp(name, "objectname")) {
char *s = xmalloc(41);
strcpy(s, sha1_to_hex(sha1));
v->s = s;
return 1;
}
if (!strcmp(name, "objectname:short")) {
v->s = xstrdup(find_unique_abbrev(sha1, DEFAULT_ABBREV));
return 1;
}
return 0;
}
static void measure_widths(struct worktree **wt, int *abbrev, int *maxlen)
{
int i;
for (i = 0; wt[i]; i++) {
int sha1_len;
int path_len = strlen(wt[i]->path);
if (path_len > *maxlen)
*maxlen = path_len;
sha1_len = strlen(find_unique_abbrev(wt[i]->head_oid.hash, *abbrev));
if (sha1_len > *abbrev)
*abbrev = sha1_len;
}
}
static int format_todo(struct strbuf *buf, struct commit_list *todo_list,
struct replay_opts *opts)
{
struct commit_list *cur = NULL;
struct commit_message msg = { NULL, NULL, NULL, NULL, NULL };
const char *sha1_abbrev = NULL;
const char *action_str = opts->action == REVERT ? "revert" : "pick";
for (cur = todo_list; cur; cur = cur->next) {
sha1_abbrev = find_unique_abbrev(cur->item->object.sha1, DEFAULT_ABBREV);
if (get_message(cur->item, &msg))
return error(_("Cannot get commit message for %s"), sha1_abbrev);
strbuf_addf(buf, "%s %s %s\n", action_str, sha1_abbrev, msg.subject);
}
return 0;
}
static int get_message(struct commit *commit, struct commit_message *out)
{
const char *abbrev, *subject;
int subject_len;
out->message = logmsg_reencode(commit, NULL, get_commit_output_encoding());
abbrev = find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV);
subject_len = find_commit_subject(out->message, &subject);
out->subject = xmemdupz(subject, subject_len);
out->label = xstrfmt("%s... %s", abbrev, out->subject);
out->parent_label = xstrfmt("parent of %s", out->label);
return 0;
}
static void emit_blame_entry_hash(struct blame_entry *ent)
{
struct blame_origin *suspect = ent->suspect;
struct object_id *oid = &suspect->commit->object.oid;
unsigned long line = 0;
char *detail = emit_suspect_detail(suspect);
html("<span class='sha1'>");
cgit_commit_link(find_unique_abbrev(oid->hash, DEFAULT_ABBREV), detail,
NULL, ctx.qry.head, oid_to_hex(oid), suspect->path);
html("</span>");
free(detail);
while (line++ < ent->num_lines)
html("\n");
}