struct encoding *
get_path_encoding(const char *path, struct encoding *default_encoding)
{
const char *check_attr_argv[] = {
"git", "check-attr", "encoding", "--", path, NULL
};
char buf[SIZEOF_STR];
char *encoding;
/* <path>: encoding: <encoding> */
if (!*path || !io_run_buf(check_attr_argv, buf, sizeof(buf))
|| !(encoding = strstr(buf, ENCODING_SEP)))
return default_encoding;
encoding += STRING_SIZE(ENCODING_SEP);
if (!strcmp(encoding, ENCODING_UTF8)
|| !strcmp(encoding, "unspecified")
|| !strcmp(encoding, "set")) {
const char *file_argv[] = {
"file", "-I", "--", path, NULL
};
if (!*path || !io_run_buf(file_argv, buf, sizeof(buf))
|| !(encoding = strstr(buf, CHARSET_SEP)))
return default_encoding;
encoding += STRING_SIZE(CHARSET_SEP);
}
return encoding_open(encoding);
}
static bool
blob_open(struct view *view, enum open_flags flags)
{
static const char *blob_argv[] = {
"git", "cat-file", "blob", "%(blob)", NULL
};
if (!view->env->blob[0] && view->env->file[0]) {
const char *commit = view->env->commit[0] ? view->env->commit : "HEAD";
char blob_spec[SIZEOF_STR];
const char *rev_parse_argv[] = {
"git", "rev-parse", blob_spec, NULL
};
if (!string_format(blob_spec, "%s:%s", commit, view->env->file) ||
!io_run_buf(rev_parse_argv, view->env->blob, sizeof(view->env->blob))) {
report("Failed to resolve blob from file name");
return FALSE;
}
}
if (!view->env->blob[0]) {
report("No file chosen, press %s to open tree view",
get_view_key(view, REQ_VIEW_TREE));
return FALSE;
}
view->encoding = get_path_encoding(view->env->file, default_encoding);
return begin_update(view, NULL, blob_argv, flags);
}
static int
reload_refs(bool force)
{
const char *head_argv[] = {
"git", "symbolic-ref", "HEAD", NULL
};
const char *ls_remote_argv[SIZEOF_ARG] = {
"git", "ls-remote", repo.git_dir, NULL
};
static bool init = FALSE;
struct ref_opt opt = { repo.remote, repo.head, WATCH_NONE };
struct repo_info old_repo = repo;
size_t i;
if (!init) {
if (!argv_from_env(ls_remote_argv, "TIG_LS_REMOTE"))
return ERR;
init = TRUE;
}
if (!*repo.git_dir)
return OK;
if ((force || !*repo.head) && io_run_buf(head_argv, repo.head, sizeof(repo.head)) &&
!prefixcmp(repo.head, "refs/heads/")) {
char *offset = repo.head + STRING_SIZE("refs/heads/");
memmove(repo.head, offset, strlen(offset) + 1);
}
if (strcmp(old_repo.head, repo.head))
opt.changed |= WATCH_HEAD;
refs_head = NULL;
for (i = 0; i < refs_size; i++)
refs[i]->valid = 0;
done_ref_lists();
if (io_run_load(ls_remote_argv, "\t", read_ref, &opt) == ERR)
return ERR;
for (i = 0; i < refs_size; i++)
if (!refs[i]->valid) {
refs[i]->id[0] = 0;
opt.changed |= WATCH_REFS;
}
if (opt.changed)
watch_apply(NULL, opt.changed);
qsort(refs, refs_size, sizeof(*refs), compare_refs);
return OK;
}
static bool
add_describe_ref(char *buf, size_t *bufpos, const char *commit_id, const char *sep)
{
const char *describe_argv[] = { "git", "describe", commit_id, NULL };
char ref[SIZEOF_STR];
if (!io_run_buf(describe_argv, ref, sizeof(ref)) || !*ref)
return TRUE;
/* This is the only fatal call, since it can "corrupt" the buffer. */
if (!string_nformat(buf, SIZEOF_STR, bufpos, "%s%s", sep, ref))
return FALSE;
return TRUE;
}
static int
reload_refs(const char *git_dir, const char *remote_name, char *head, size_t headlen)
{
const char *head_argv[] = {
"git", "symbolic-ref", "HEAD", NULL
};
const char *ls_remote_argv[SIZEOF_ARG] = {
"git", "ls-remote", git_dir, NULL
};
static bool init = FALSE;
struct ref_opt opt = { remote_name, head };
size_t i;
if (!init) {
if (!argv_from_env(ls_remote_argv, "TIG_LS_REMOTE"))
return ERR;
init = TRUE;
}
if (!*git_dir)
return OK;
if (!*head && io_run_buf(head_argv, head, headlen) &&
!prefixcmp(head, "refs/heads/")) {
char *offset = head + STRING_SIZE("refs/heads/");
memmove(head, offset, strlen(offset) + 1);
}
refs_head = NULL;
for (i = 0; i < refs_size; i++)
refs[i]->valid = 0;
done_ref_lists();
if (io_run_load(ls_remote_argv, "\t", read_ref, &opt) == ERR)
return ERR;
for (i = 0; i < refs_size; i++)
if (!refs[i]->valid)
refs[i]->id[0] = 0;
qsort(refs, refs_size, sizeof(*refs), compare_refs);
return OK;
}
bool
open_external_viewer(const char *argv[], const char *dir, bool silent, bool confirm, bool echo, bool refresh, const char *notice)
{
bool ok;
if (echo) {
char buf[SIZEOF_STR] = "";
io_run_buf(argv, buf, sizeof(buf), dir, false);
if (*buf) {
report("%s", buf);
return true;
} else {
report("No output");
return false;
}
} else if (silent || is_script_executing()) {
ok = io_run_bg(argv, dir);
} else {
clear();
refresh();
endwin(); /* restore original tty modes */
ok = io_run_fg(argv, dir);
if (confirm || !ok) {
if (!ok && *notice)
fprintf(stderr, "%s", notice);
fprintf(stderr, "Press Enter to continue");
getc(opt_tty);
fseek(opt_tty, 0, SEEK_END);
}
set_terminal_modes();
}
if (watch_update(WATCH_EVENT_AFTER_COMMAND) && refresh) {
struct view *view;
int i;
foreach_displayed_view (view, i) {
if (watch_dirty(&view->watch))
refresh_view(view);
}
}
redraw_display(true);
return ok;
}