struct strbuf sb_git = STRBUF_INIT, sb_repo = STRBUF_INIT;
struct strbuf sb = STRBUF_INIT;
const char *name;
- struct stat st;
struct child_process cp = CHILD_PROCESS_INIT;
struct argv_array child_env = ARGV_ARRAY_INIT;
- int counter = 0, len, ret;
+ unsigned int counter = 0;
+ int len, ret;
struct strbuf symref = STRBUF_INIT;
struct commit *commit = NULL;
int is_branch = 0;
+ struct strbuf sb_name = STRBUF_INIT;
validate_worktree_add(path, opts);
die(_("invalid reference: %s"), refname);
name = worktree_basename(path, &len);
- git_path_buf(&sb_repo, "worktrees/%.*s", (int)(path + len - name), name);
+ strbuf_add(&sb, name, path + len - name);
+ sanitize_refname_component(sb.buf, &sb_name);
+ if (!sb_name.len)
+ BUG("How come '%s' becomes empty after sanitization?", sb.buf);
+ strbuf_reset(&sb);
+ name = sb_name.buf;
+ git_path_buf(&sb_repo, "worktrees/%s", name);
len = sb_repo.len;
if (safe_create_leading_directories_const(sb_repo.buf))
die_errno(_("could not create leading directories of '%s'"),
sb_repo.buf);
- while (!stat(sb_repo.buf, &st)) {
+
+ while (mkdir(sb_repo.buf, 0777)) {
counter++;
+ if ((errno != EEXIST) || !counter /* overflow */)
+ die_errno(_("could not create directory of '%s'"),
+ sb_repo.buf);
strbuf_setlen(&sb_repo, len);
strbuf_addf(&sb_repo, "%d", counter);
}
atexit(remove_junk);
sigchain_push_common(remove_junk_on_signal);
- if (mkdir(sb_repo.buf, 0777))
- die_errno(_("could not create directory of '%s'"), sb_repo.buf);
junk_git_dir = xstrdup(sb_repo.buf);
is_junk = 1;
cp.dir = path;
cp.env = env;
cp.argv = NULL;
+ cp.trace2_hook_name = "post-checkout";
argv_array_pushl(&cp.args, absolute_path(hook),
oid_to_hex(&null_oid),
oid_to_hex(&commit->object.oid),
strbuf_release(&symref);
strbuf_release(&sb_repo);
strbuf_release(&sb_git);
+ strbuf_release(&sb_name);
return ret;
}
* not legal. It is legal if it is something reasonable to have under
* ".git/refs/"; We do not like it if:
*
- * - any path component of it begins with ".", or
+ * - it begins with ".", or
* - it has double dots "..", or
* - it has ASCII control characters, or
* - it has ":", "?", "[", "\", "^", "~", SP, or TAB anywhere, or
* - it ends with a "/", or
* - it ends with ".lock", or
* - it contains a "@{" portion
+ *
+ * When sanitized is not NULL, instead of rejecting the input refname
+ * as an error, try to come up with a usable replacement for the input
+ * refname in it.
*/
- static int check_refname_component(const char *refname, int *flags)
+ static int check_refname_component(const char *refname, int *flags,
+ struct strbuf *sanitized)
{
const char *cp;
char last = '\0';
+ size_t component_start = 0; /* garbage - not a reasonable initial value */
+
+ if (sanitized)
+ component_start = sanitized->len;
for (cp = refname; ; cp++) {
int ch = *cp & 255;
unsigned char disp = refname_disposition[ch];
+
+ if (sanitized && disp != 1)
+ strbuf_addch(sanitized, ch);
+
switch (disp) {
case 1:
goto out;
case 2:
- if (last == '.')
- return -1; /* Refname contains "..". */
+ if (last == '.') { /* Refname contains "..". */
+ if (sanitized)
+ /* collapse ".." to single "." */
+ strbuf_setlen(sanitized, sanitized->len - 1);
+ else
+ return -1;
+ }
break;
case 3:
- if (last == '@')
- return -1; /* Refname contains "@{". */
+ if (last == '@') { /* Refname contains "@{". */
+ if (sanitized)
+ sanitized->buf[sanitized->len-1] = '-';
+ else
+ return -1;
+ }
break;
case 4:
- return -1;
+ /* forbidden char */
+ if (sanitized)
+ sanitized->buf[sanitized->len-1] = '-';
+ else
+ return -1;
+ break;
case 5:
- if (!(*flags & REFNAME_REFSPEC_PATTERN))
- return -1; /* refspec can't be a pattern */
+ if (!(*flags & REFNAME_REFSPEC_PATTERN)) {
+ /* refspec can't be a pattern */
+ if (sanitized)
+ sanitized->buf[sanitized->len-1] = '-';
+ else
+ return -1;
+ }
/*
* Unset the pattern flag so that we only accept
out:
if (cp == refname)
return 0; /* Component has zero length. */
- if (refname[0] == '.')
- return -1; /* Component starts with '.'. */
+
+ if (refname[0] == '.') { /* Component starts with '.'. */
+ if (sanitized)
+ sanitized->buf[component_start] = '-';
+ else
+ return -1;
+ }
if (cp - refname >= LOCK_SUFFIX_LEN &&
- !memcmp(cp - LOCK_SUFFIX_LEN, LOCK_SUFFIX, LOCK_SUFFIX_LEN))
- return -1; /* Refname ends with ".lock". */
+ !memcmp(cp - LOCK_SUFFIX_LEN, LOCK_SUFFIX, LOCK_SUFFIX_LEN)) {
+ if (!sanitized)
+ return -1;
+ /* Refname ends with ".lock". */
+ while (strbuf_strip_suffix(sanitized, LOCK_SUFFIX)) {
+ /* try again in case we have .lock.lock */
+ }
+ }
return cp - refname;
}
- int check_refname_format(const char *refname, int flags)
+ static int check_or_sanitize_refname(const char *refname, int flags,
+ struct strbuf *sanitized)
{
int component_len, component_count = 0;
- if (!strcmp(refname, "@"))
+ if (!strcmp(refname, "@")) {
/* Refname is a single character '@'. */
- return -1;
+ if (sanitized)
+ strbuf_addch(sanitized, '-');
+ else
+ return -1;
+ }
while (1) {
+ if (sanitized && sanitized->len)
+ strbuf_complete(sanitized, '/');
+
/* We are at the start of a path component. */
- component_len = check_refname_component(refname, &flags);
- if (component_len <= 0)
+ component_len = check_refname_component(refname, &flags,
+ sanitized);
+ if (sanitized && component_len == 0)
+ ; /* OK, omit empty component */
+ else if (component_len <= 0)
return -1;
component_count++;
refname += component_len + 1;
}
- if (refname[component_len - 1] == '.')
- return -1; /* Refname ends with '.'. */
+ if (refname[component_len - 1] == '.') {
+ /* Refname ends with '.'. */
+ if (sanitized)
+ ; /* omit ending dot */
+ else
+ return -1;
+ }
if (!(flags & REFNAME_ALLOW_ONELEVEL) && component_count < 2)
return -1; /* Refname has only one component. */
return 0;
}
+ int check_refname_format(const char *refname, int flags)
+ {
+ return check_or_sanitize_refname(refname, flags, NULL);
+ }
+
+ void sanitize_refname_component(const char *refname, struct strbuf *out)
+ {
+ if (check_or_sanitize_refname(refname, REFNAME_ALLOW_ONELEVEL, out))
+ BUG("sanitizing refname '%s' check returned error", refname);
+ }
+
int refname_is_safe(const char *refname)
{
const char *rest;
return read_ref_full(refname, RESOLVE_REF_READING, oid, NULL);
}
+static int refs_ref_exists(struct ref_store *refs, const char *refname)
+{
+ return !!refs_resolve_ref_unsafe(refs, refname, RESOLVE_REF_READING, NULL, NULL);
+}
+
int ref_exists(const char *refname)
{
- return !!resolve_ref_unsafe(refname, RESOLVE_REF_READING, NULL, NULL);
+ return refs_ref_exists(get_main_ref_store(the_repository), refname);
}
static int match_ref_pattern(const char *refname,
* later free()ing) if the string passed in is a magic short-hand form
* to name a branch.
*/
-static char *substitute_branch_name(const char **string, int *len)
+static char *substitute_branch_name(struct repository *r,
+ const char **string, int *len)
{
struct strbuf buf = STRBUF_INIT;
- int ret = interpret_branch_name(*string, *len, &buf, 0);
+ int ret = repo_interpret_branch_name(r, *string, *len, &buf, 0);
if (ret == *len) {
size_t size;
return NULL;
}
-int dwim_ref(const char *str, int len, struct object_id *oid, char **ref)
+int repo_dwim_ref(struct repository *r, const char *str, int len,
+ struct object_id *oid, char **ref)
{
- char *last_branch = substitute_branch_name(&str, &len);
- int refs_found = expand_ref(str, len, oid, ref);
+ char *last_branch = substitute_branch_name(r, &str, &len);
+ int refs_found = expand_ref(r, str, len, oid, ref);
free(last_branch);
return refs_found;
}
-int expand_ref(const char *str, int len, struct object_id *oid, char **ref)
+int dwim_ref(const char *str, int len, struct object_id *oid, char **ref)
+{
+ return repo_dwim_ref(the_repository, str, len, oid, ref);
+}
+
+int expand_ref(struct repository *repo, const char *str, int len,
+ struct object_id *oid, char **ref)
{
const char **p, *r;
int refs_found = 0;
this_result = refs_found ? &oid_from_ref : oid;
strbuf_reset(&fullref);
strbuf_addf(&fullref, *p, len, str);
- r = resolve_ref_unsafe(fullref.buf, RESOLVE_REF_READING,
- this_result, &flag);
+ r = refs_resolve_ref_unsafe(get_main_ref_store(repo),
+ fullref.buf, RESOLVE_REF_READING,
+ this_result, &flag);
if (r) {
if (!refs_found++)
*ref = xstrdup(r);
return refs_found;
}
-int dwim_log(const char *str, int len, struct object_id *oid, char **log)
+int repo_dwim_log(struct repository *r, const char *str, int len,
+ struct object_id *oid, char **log)
{
- char *last_branch = substitute_branch_name(&str, &len);
+ struct ref_store *refs = get_main_ref_store(r);
+ char *last_branch = substitute_branch_name(r, &str, &len);
const char **p;
int logs_found = 0;
struct strbuf path = STRBUF_INIT;
strbuf_reset(&path);
strbuf_addf(&path, *p, len, str);
- ref = resolve_ref_unsafe(path.buf, RESOLVE_REF_READING,
- &hash, NULL);
+ ref = refs_resolve_ref_unsafe(refs, path.buf,
+ RESOLVE_REF_READING,
+ &hash, NULL);
if (!ref)
continue;
- if (reflog_exists(path.buf))
+ if (refs_reflog_exists(refs, path.buf))
it = path.buf;
- else if (strcmp(ref, path.buf) && reflog_exists(ref))
+ else if (strcmp(ref, path.buf) &&
+ refs_reflog_exists(refs, ref))
it = ref;
else
continue;
return logs_found;
}
+int dwim_log(const char *str, int len, struct object_id *oid, char **log)
+{
+ return repo_dwim_log(the_repository, str, len, oid, log);
+}
+
static int is_per_worktree_ref(const char *refname)
{
return !strcmp(refname, "HEAD") ||
return 1;
}
-int read_ref_at(const char *refname, unsigned int flags, timestamp_t at_time, int cnt,
+int read_ref_at(struct ref_store *refs, const char *refname,
+ unsigned int flags, timestamp_t at_time, int cnt,
struct object_id *oid, char **msg,
timestamp_t *cutoff_time, int *cutoff_tz, int *cutoff_cnt)
{
cb.cutoff_cnt = cutoff_cnt;
cb.oid = oid;
- for_each_reflog_ent_reverse(refname, read_ref_at_ent, &cb);
+ refs_for_each_reflog_ent_reverse(refs, refname, read_ref_at_ent, &cb);
if (!cb.reccnt) {
if (flags & GET_OID_QUIETLY)
if (cb.found_it)
return 0;
- for_each_reflog_ent(refname, read_ref_at_ent_oldest, &cb);
+ refs_for_each_reflog_ent(refs, refname, read_ref_at_ent_oldest, &cb);
return 1;
}
old_oid, flags, onerr);
}
-char *shorten_unambiguous_ref(const char *refname, int strict)
+char *refs_shorten_unambiguous_ref(struct ref_store *refs,
+ const char *refname, int strict)
{
int i;
static char **scanf_fmts;
strbuf_reset(&resolved_buf);
strbuf_addf(&resolved_buf, rule,
short_name_len, short_name);
- if (ref_exists(resolved_buf.buf))
+ if (refs_ref_exists(refs, resolved_buf.buf))
break;
}
return xstrdup(refname);
}
+char *shorten_unambiguous_ref(const char *refname, int strict)
+{
+ return refs_shorten_unambiguous_ref(get_main_ref_store(the_repository),
+ refname, strict);
+}
+
static struct string_list *hide_refs;
int parse_hide_refs_config(const char *var, const char *value, const char *section)
int is_branch(const char *refname);
-extern int refs_init_db(struct strbuf *err);
+int refs_init_db(struct strbuf *err);
/*
* If refname is a non-symbolic reference that refers to a tag object,
struct argv_array;
void expand_ref_prefix(struct argv_array *prefixes, const char *prefix);
-int expand_ref(const char *str, int len, struct object_id *oid, char **ref);
+int expand_ref(struct repository *r, const char *str, int len, struct object_id *oid, char **ref);
+int repo_dwim_ref(struct repository *r, const char *str, int len, struct object_id *oid, char **ref);
+int repo_dwim_log(struct repository *r, const char *str, int len, struct object_id *oid, char **ref);
int dwim_ref(const char *str, int len, struct object_id *oid, char **ref);
int dwim_log(const char *str, int len, struct object_id *oid, char **ref);
int safe_create_reflog(const char *refname, int force_create, struct strbuf *err);
/** Reads log for the value of ref during at_time. **/
-int read_ref_at(const char *refname, unsigned int flags,
+int read_ref_at(struct ref_store *refs,
+ const char *refname, unsigned int flags,
timestamp_t at_time, int cnt,
struct object_id *oid, char **msg,
timestamp_t *cutoff_time, int *cutoff_tz, int *cutoff_cnt);
*/
int check_refname_format(const char *refname, int flags);
+ /*
+ * Apply the rules from check_refname_format, but mutate the result until it
+ * is acceptable, and place the result in "out".
+ */
+ void sanitize_refname_component(const char *refname, struct strbuf *out);
+
const char *prettify_refname(const char *refname);
+char *refs_shorten_unambiguous_ref(struct ref_store *refs,
+ const char *refname, int strict);
char *shorten_unambiguous_ref(const char *refname, int strict);
/** rename ref, return 0 on success **/