#define DO_NONFLAGS 8
static int filter = ~0;
-static const char *def = NULL;
+static const char *def;
#define NORMAL 0
#define REVERSED 1
static int show_type = NORMAL;
-static int symbolic = 0;
-static int abbrev = 0;
-static int output_sq = 0;
+static int symbolic;
+static int abbrev;
+static int output_sq;
-static int revs_count = 0;
+static int revs_count;
/*
* Some arguments are relevant "revision" arguments,
}
}
-static int show_reference(const char *refname, const unsigned char *sha1)
+static int show_reference(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
{
show_rev(NORMAL, sha1, refname);
return 0;
return 0;
}
-int cmd_rev_parse(int argc, const char **argv, char **envp)
+static int try_difference(const char *arg)
+{
+ char *dotdot;
+ unsigned char sha1[20];
+ unsigned char end[20];
+ const char *next;
+ const char *this;
+ int symmetric;
+
+ if (!(dotdot = strstr(arg, "..")))
+ return 0;
+ next = dotdot + 2;
+ this = arg;
+ symmetric = (*next == '.');
+
+ *dotdot = 0;
+ next += symmetric;
+
+ if (!*next)
+ next = "HEAD";
+ if (dotdot == arg)
+ this = "HEAD";
+ if (!get_sha1(this, sha1) && !get_sha1(next, end)) {
+ show_rev(NORMAL, end, next);
+ show_rev(symmetric ? NORMAL : REVERSED, sha1, this);
+ if (symmetric) {
+ struct commit_list *exclude;
+ struct commit *a, *b;
+ a = lookup_commit_reference(sha1);
+ b = lookup_commit_reference(end);
+ exclude = get_merge_bases(a, b, 1);
+ while (exclude) {
+ struct commit_list *n = exclude->next;
+ show_rev(REVERSED,
+ exclude->item->object.sha1,NULL);
+ free(exclude);
+ exclude = n;
+ }
+ }
+ return 1;
+ }
+ *dotdot = '.';
+ 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];
- const char *prefix = setup_git_directory();
git_config(git_default_config);
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
- char *dotdot;
if (as_is) {
if (show_file(arg) && as_is < 2)
}
continue;
}
- if (!strncmp(arg,"-n",2)) {
+ if (!prefixcmp(arg, "-n")) {
if ((filter & DO_FLAGS) && (filter & DO_REVS))
show(arg);
continue;
continue;
}
if (!strcmp(arg, "--short") ||
- !strncmp(arg, "--short=", 8)) {
+ !prefixcmp(arg, "--short=")) {
filter &= ~(DO_FLAGS|DO_NOREV);
verify = 1;
abbrev = DEFAULT_ABBREV;
continue;
}
if (!strcmp(arg, "--all")) {
- for_each_ref(show_reference);
+ for_each_ref(show_reference, NULL);
continue;
}
if (!strcmp(arg, "--branches")) {
- for_each_branch_ref(show_reference);
+ for_each_branch_ref(show_reference, NULL);
continue;
}
if (!strcmp(arg, "--tags")) {
- for_each_tag_ref(show_reference);
+ for_each_tag_ref(show_reference, NULL);
continue;
}
if (!strcmp(arg, "--remotes")) {
- for_each_remote_ref(show_reference);
+ for_each_remote_ref(show_reference, NULL);
continue;
}
if (!strcmp(arg, "--show-prefix")) {
}
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) {
printf("%s/.git\n", cwd);
continue;
}
- if (!strncmp(arg, "--since=", 8)) {
+ if (!strcmp(arg, "--is-inside-git-dir")) {
+ printf("%s\n", is_inside_git_dir() ? "true"
+ : "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;
}
- if (!strncmp(arg, "--after=", 8)) {
+ if (!prefixcmp(arg, "--after=")) {
show_datestring("--max-age=", arg+8);
continue;
}
- if (!strncmp(arg, "--before=", 9)) {
+ if (!prefixcmp(arg, "--before=")) {
show_datestring("--min-age=", arg+9);
continue;
}
- if (!strncmp(arg, "--until=", 8)) {
+ if (!prefixcmp(arg, "--until=")) {
show_datestring("--min-age=", arg+8);
continue;
}
}
/* Not a flag argument */
- dotdot = strstr(arg, "..");
- if (dotdot) {
- unsigned char end[20];
- const char *next = dotdot + 2;
- const char *this = arg;
- *dotdot = 0;
- if (!*next)
- next = "HEAD";
- if (dotdot == arg)
- this = "HEAD";
- if (!get_sha1(this, sha1) && !get_sha1(next, end)) {
- show_rev(NORMAL, end, next);
- show_rev(REVERSED, sha1, this);
- continue;
- }
- *dotdot = '.';
- }
+ if (try_difference(arg))
+ continue;
if (!get_sha1(arg, sha1)) {
show_rev(NORMAL, sha1, arg);
continue;