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diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index 37addb25fafbedba9bad6e99746ee65bacdee7d3..20d1789e0161ed3d2d18cec94b1915f518a5d662 100644 (file)
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
#include "refs.h"
#include "quote.h"
#include "builtin.h"
+#include "parse-options.h"
#define DO_REVS 1
#define DO_NOREV 2
return 0;
}
+static int parseopt_dump(const struct option *o, const char *arg, int unset)
+{
+ struct strbuf *parsed = o->value;
+ if (unset)
+ strbuf_addf(parsed, " --no-%s", o->long_name);
+ else if (o->short_name)
+ strbuf_addf(parsed, " -%c", o->short_name);
+ else
+ strbuf_addf(parsed, " --%s", o->long_name);
+ if (arg) {
+ strbuf_addch(parsed, ' ');
+ sq_quote_buf(parsed, arg);
+ }
+ return 0;
+}
+
+static const char *skipspaces(const char *s)
+{
+ while (isspace(*s))
+ s++;
+ return s;
+}
+
+static int cmd_parseopt(int argc, const char **argv, const char *prefix)
+{
+ static int keep_dashdash = 0;
+ static char const * const parseopt_usage[] = {
+ "git-rev-parse --parseopt [options] -- [<args>...]",
+ NULL
+ };
+ static struct option parseopt_opts[] = {
+ OPT_BOOLEAN(0, "keep-dashdash", &keep_dashdash,
+ "keep the `--` passed as an arg"),
+ OPT_END(),
+ };
+
+ struct strbuf sb, parsed;
+ const char **usage = NULL;
+ struct option *opts = NULL;
+ int onb = 0, osz = 0, unb = 0, usz = 0;
+
+ strbuf_init(&parsed, 0);
+ strbuf_addstr(&parsed, "set --");
+ argc = parse_options(argc, argv, parseopt_opts, parseopt_usage,
+ PARSE_OPT_KEEP_DASHDASH);
+ if (argc < 1 || strcmp(argv[0], "--"))
+ usage_with_options(parseopt_usage, parseopt_opts);
+
+ strbuf_init(&sb, 0);
+ /* get the usage up to the first line with a -- on it */
+ for (;;) {
+ if (strbuf_getline(&sb, stdin, '\n') == EOF)
+ die("premature end of input");
+ ALLOC_GROW(usage, unb + 1, usz);
+ if (!strcmp("--", sb.buf)) {
+ if (unb < 1)
+ die("no usage string given before the `--' separator");
+ usage[unb] = NULL;
+ break;
+ }
+ usage[unb++] = strbuf_detach(&sb, NULL);
+ }
+
+ /* parse: (<short>|<short>,<long>|<long>)[=?]? SP+ <help> */
+ while (strbuf_getline(&sb, stdin, '\n') != EOF) {
+ const char *s;
+ struct option *o;
+
+ if (!sb.len)
+ continue;
+
+ ALLOC_GROW(opts, onb + 1, osz);
+ memset(opts + onb, 0, sizeof(opts[onb]));
+
+ o = &opts[onb++];
+ s = strchr(sb.buf, ' ');
+ if (!s || *sb.buf == ' ') {
+ o->type = OPTION_GROUP;
+ o->help = xstrdup(skipspaces(s));
+ continue;
+ }
+
+ o->type = OPTION_CALLBACK;
+ o->help = xstrdup(skipspaces(s));
+ o->value = &parsed;
+ o->callback = &parseopt_dump;
+ switch (s[-1]) {
+ case '=':
+ s--;
+ break;
+ case '?':
+ o->flags = PARSE_OPT_OPTARG;
+ s--;
+ break;
+ default:
+ o->flags = PARSE_OPT_NOARG;
+ break;
+ }
+
+ if (s - sb.buf == 1) /* short option only */
+ o->short_name = *sb.buf;
+ else if (sb.buf[1] != ',') /* long option only */
+ o->long_name = xmemdupz(sb.buf, s - sb.buf);
+ else {
+ o->short_name = *sb.buf;
+ o->long_name = xmemdupz(sb.buf + 2, s - sb.buf - 2);
+ }
+ }
+ strbuf_release(&sb);
+
+ /* put an OPT_END() */
+ ALLOC_GROW(opts, onb + 1, osz);
+ memset(opts + onb, 0, sizeof(opts[onb]));
+ argc = parse_options(argc, argv, opts, usage,
+ keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0);
+
+ strbuf_addf(&parsed, " --");
+ sq_quote_argv(&parsed, argv, 0);
+ puts(parsed.buf);
+ return 0;
+}
+
int cmd_rev_parse(int argc, const char **argv, const char *prefix)
{
int i, as_is = 0, verify = 0;
unsigned char sha1[20];
- git_config(git_default_config);
+ if (argc > 1 && !strcmp("--parseopt", argv[1]))
+ return cmd_parseopt(argc - 1, argv + 1, prefix);
+ prefix = setup_git_directory();
+ git_config(git_default_config);
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
}
if (!strcmp(arg, "--show-cdup")) {
const char *pfx = prefix;
+ if (!is_inside_work_tree()) {
+ const char *work_tree =
+ get_git_work_tree();
+ if (work_tree)
+ printf("%s\n", work_tree);
+ continue;
+ }
while (pfx) {
pfx = strchr(pfx, '/');
if (pfx) {
: "false");
continue;
}
+ if (!strcmp(arg, "--is-inside-work-tree")) {
+ printf("%s\n", is_inside_work_tree() ? "true"
+ : "false");
+ continue;
+ }
+ if (!strcmp(arg, "--is-bare-repository")) {
+ printf("%s\n", is_bare_repository() ? "true"
+ : "false");
+ continue;
+ }
if (!prefixcmp(arg, "--since=")) {
show_datestring("--max-age=", arg+8);
continue;