/**
* get the main worktree
*/
static struct worktree *get_main_worktree(void)
{
struct worktree *worktree = NULL;
struct strbuf path = STRBUF_INIT;
struct strbuf worktree_path = STRBUF_INIT;
struct strbuf head_ref = STRBUF_INIT;
int is_bare = 0;
int is_detached = 0;
strbuf_add_absolute_path(&worktree_path, get_git_common_dir());
is_bare = !strbuf_strip_suffix(&worktree_path, "/.git");
if (is_bare)
strbuf_strip_suffix(&worktree_path, "/.");
strbuf_addf(&path, "%s/HEAD", get_git_common_dir());
worktree = xcalloc(1, sizeof(*worktree));
worktree->path = strbuf_detach(&worktree_path, NULL);
worktree->is_bare = is_bare;
worktree->is_detached = is_detached;
if (!parse_ref(path.buf, &head_ref, &is_detached))
add_head_info(&head_ref, worktree);
strbuf_release(&path);
strbuf_release(&worktree_path);
strbuf_release(&head_ref);
return worktree;
}
static struct worktree *get_linked_worktree(const char *id)
{
struct worktree *worktree = NULL;
struct strbuf path = STRBUF_INIT;
struct strbuf worktree_path = STRBUF_INIT;
if (!id)
die("Missing linked worktree name");
strbuf_git_common_path(&path, the_repository, "worktrees/%s/gitdir", id);
if (strbuf_read_file(&worktree_path, path.buf, 0) <= 0)
/* invalid gitdir file */
goto done;
strbuf_rtrim(&worktree_path);
if (!strbuf_strip_suffix(&worktree_path, "/.git")) {
strbuf_reset(&worktree_path);
strbuf_add_absolute_path(&worktree_path, ".");
strbuf_strip_suffix(&worktree_path, "/.");
}
strbuf_reset(&path);
strbuf_addf(&path, "%s/worktrees/%s/HEAD", get_git_common_dir(), id);
worktree = xcalloc(1, sizeof(*worktree));
worktree->path = strbuf_detach(&worktree_path, NULL);
worktree->id = xstrdup(id);
add_head_info(worktree);
done:
strbuf_release(&path);
strbuf_release(&worktree_path);
return worktree;
}
static char *shell_prompt(const char *prompt, int echo)
{
const char *read_input[] = {
/* Note: call 'bash' explicitly, as 'read -s' is bash-specific */
"bash", "-c", echo ?
"test \"a$SHELL\" != \"a${SHELL%.exe}\" || exit 127; cat >/dev/tty &&"
" read -r line </dev/tty && echo \"$line\"" :
"test \"a$SHELL\" != \"a${SHELL%.exe}\" || exit 127; cat >/dev/tty &&"
" read -r -s line </dev/tty && echo \"$line\" && echo >/dev/tty",
NULL
};
struct child_process child = CHILD_PROCESS_INIT;
static struct strbuf buffer = STRBUF_INIT;
int prompt_len = strlen(prompt), len = -1, code;
child.argv = read_input;
child.in = -1;
child.out = -1;
child.silent_exec_failure = 1;
if (start_command(&child))
return NULL;
if (write_in_full(child.in, prompt, prompt_len) != prompt_len) {
error("could not write to prompt script");
close(child.in);
goto ret;
}
close(child.in);
strbuf_reset(&buffer);
len = strbuf_read(&buffer, child.out, 1024);
if (len < 0) {
error("could not read from prompt script");
goto ret;
}
strbuf_strip_suffix(&buffer, "\n");
strbuf_strip_suffix(&buffer, "\r");
ret:
close(child.out);
code = finish_command(&child);
if (code) {
if (code != 127)
error("failed to execute prompt script (exit code %d)",
code);
return NULL;
}
return len < 0 ? NULL : buffer.buf;
}
static int refs_from_alternate_cb(struct alternate_object_database *e,
void *data)
{
struct strbuf path = STRBUF_INIT;
size_t base_len;
struct alternate_refs_data *cb = data;
if (!strbuf_realpath(&path, e->path, 0))
goto out;
if (!strbuf_strip_suffix(&path, "/objects"))
goto out;
base_len = path.len;
/* Is this a git repository with refs? */
strbuf_addstr(&path, "/refs");
if (!is_directory(path.buf))
goto out;
strbuf_setlen(&path, base_len);
read_alternate_refs(path.buf, cb->fn, cb->data);
out:
strbuf_release(&path);
return 0;
}
static struct worktree *get_linked_worktree(const char *id)
{
struct worktree *worktree = NULL;
struct strbuf path = STRBUF_INIT;
struct strbuf worktree_path = STRBUF_INIT;
struct strbuf head_ref = STRBUF_INIT;
int is_detached = 0;
if (!id)
die("Missing linked worktree name");
strbuf_git_common_path(&path, "worktrees/%s/gitdir", id);
if (strbuf_read_file(&worktree_path, path.buf, 0) <= 0)
/* invalid gitdir file */
goto done;
strbuf_rtrim(&worktree_path);
if (!strbuf_strip_suffix(&worktree_path, "/.git")) {
strbuf_reset(&worktree_path);
strbuf_add_absolute_path(&worktree_path, ".");
strbuf_strip_suffix(&worktree_path, "/.");
}
strbuf_reset(&path);
strbuf_addf(&path, "%s/worktrees/%s/HEAD", get_git_common_dir(), id);
if (parse_ref(path.buf, &head_ref, &is_detached) < 0)
goto done;
worktree = xmalloc(sizeof(struct worktree));
worktree->path = strbuf_detach(&worktree_path, NULL);
worktree->id = xstrdup(id);
worktree->is_bare = 0;
worktree->head_ref = NULL;
worktree->is_detached = is_detached;
worktree->is_current = 0;
add_head_info(&head_ref, worktree);
worktree->lock_reason = NULL;
worktree->lock_reason_valid = 0;
done:
strbuf_release(&path);
strbuf_release(&worktree_path);
strbuf_release(&head_ref);
return worktree;
}
/**
* get the main worktree
*/
static struct worktree *get_main_worktree(void)
{
struct worktree *worktree = NULL;
struct strbuf path = STRBUF_INIT;
struct strbuf worktree_path = STRBUF_INIT;
struct strbuf head_ref = STRBUF_INIT;
int is_bare = 0;
int is_detached = 0;
strbuf_add_absolute_path(&worktree_path, get_git_common_dir());
is_bare = !strbuf_strip_suffix(&worktree_path, "/.git");
if (is_bare)
strbuf_strip_suffix(&worktree_path, "/.");
strbuf_addf(&path, "%s/HEAD", get_git_common_dir());
if (parse_ref(path.buf, &head_ref, &is_detached) < 0)
goto done;
worktree = xmalloc(sizeof(struct worktree));
worktree->path = strbuf_detach(&worktree_path, NULL);
worktree->id = NULL;
worktree->is_bare = is_bare;
worktree->head_ref = NULL;
worktree->is_detached = is_detached;
worktree->is_current = 0;
add_head_info(&head_ref, worktree);
worktree->lock_reason = NULL;
worktree->lock_reason_valid = 0;
done:
strbuf_release(&path);
strbuf_release(&worktree_path);
strbuf_release(&head_ref);
return worktree;
}
static char *find_linked_symref(const char *symref, const char *branch,
const char *id)
{
struct strbuf sb = STRBUF_INIT;
struct strbuf path = STRBUF_INIT;
struct strbuf gitdir = STRBUF_INIT;
char *existing = NULL;
/*
* $GIT_COMMON_DIR/$symref (e.g. HEAD) is practically outside
* $GIT_DIR so resolve_ref_unsafe() won't work (it uses
* git_path). Parse the ref ourselves.
*/
if (id)
strbuf_addf(&path, "%s/worktrees/%s/%s", get_git_common_dir(), id, symref);
else
strbuf_addf(&path, "%s/%s", get_git_common_dir(), symref);
if (!strbuf_readlink(&sb, path.buf, 0)) {
if (!starts_with(sb.buf, "refs/") ||
check_refname_format(sb.buf, 0))
goto done;
} else if (strbuf_read_file(&sb, path.buf, 0) >= 0 &&
starts_with(sb.buf, "ref:")) {
strbuf_remove(&sb, 0, strlen("ref:"));
strbuf_trim(&sb);
} else
goto done;
if (strcmp(sb.buf, branch))
goto done;
if (id) {
strbuf_reset(&path);
strbuf_addf(&path, "%s/worktrees/%s/gitdir", get_git_common_dir(), id);
if (strbuf_read_file(&gitdir, path.buf, 0) <= 0)
goto done;
strbuf_rtrim(&gitdir);
} else
strbuf_addstr(&gitdir, get_git_common_dir());
strbuf_strip_suffix(&gitdir, ".git");
existing = strbuf_detach(&gitdir, NULL);
done:
strbuf_release(&path);
strbuf_release(&sb);
strbuf_release(&gitdir);
return existing;
}
static void check_embedded_repo(const char *path)
{
struct strbuf name = STRBUF_INIT;
if (!warn_on_embedded_repo)
return;
if (!ends_with(path, "/"))
return;
/* Drop trailing slash for aesthetics */
strbuf_addstr(&name, path);
strbuf_strip_suffix(&name, "/");
warning(_("adding embedded git repository: %s"), name.buf);
if (advice_add_embedded_repo) {
advise(embedded_advice, name.buf, name.buf);
/* there may be multiple entries; advise only once */
advice_add_embedded_repo = 0;
}
strbuf_release(&name);
}
static int check_inbody_header(struct mailinfo *mi, const struct strbuf *line)
{
if (mi->inbody_header_accum.len &&
(line->buf[0] == ' ' || line->buf[0] == '\t')) {
if (mi->use_scissors && is_scissors_line(line->buf)) {
/*
* This is a scissors line; do not consider this line
* as a header continuation line.
*/
flush_inbody_header_accum(mi);
return 0;
}
strbuf_strip_suffix(&mi->inbody_header_accum, "\n");
strbuf_addbuf(&mi->inbody_header_accum, line);
return 1;
}
flush_inbody_header_accum(mi);
if (starts_with(line->buf, ">From") && isspace(line->buf[5]))
return is_format_patch_separator(line->buf + 1, line->len - 1);
if (starts_with(line->buf, "[PATCH]") && isspace(line->buf[7])) {
int i;
for (i = 0; header[i]; i++)
if (!strcmp("Subject", header[i])) {
handle_header(&mi->s_hdr_data[i], line);
return 1;
}
return 0;
}
if (is_inbody_header(mi, line)) {
strbuf_addbuf(&mi->inbody_header_accum, line);
return 1;
}
return 0;
}
