USAGE="[--quiet] add [-b branch] [-f|--force] [--reference <repository>] [--] <repository> [<path>]
or: $dashless [--quiet] status [--cached] [--recursive] [--] [<path>...]
or: $dashless [--quiet] init [--] [<path>...]
- or: $dashless [--quiet] update [--init] [-N|--no-fetch] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...]
+ or: $dashless [--quiet] update [--init] [-N|--no-fetch] [-
f|--force] [--rebase] [--reference <repository>] [--merge] [--recursive] [--] [<path>...]
or: $dashless [--quiet] summary [--cached|--files] [--summary-limit <n>] [commit] [--] [<path>...]
or: $dashless [--quiet] foreach [--recursive] <command>
or: $dashless [--quiet] sync [--] [<path>...]"
-N|--no-fetch)
nofetch=1
;;
+ -f|--force)
+ force=$1
+ ;;
-r|--rebase)
update="rebase"
;;
if test "$subsha1" != "$sha1"
then
- force=
- if test -z "$subsha1"
+ subforce=$force
+ # If we don't already have a -f flag and the submodule has never been checked out
+ if test -z "$subsha1" -a -z "$force"
then
- force="-f"
+ subforce="-f"
fi
if test -z "$nofetch"
# Run fetch only if $sha1 isn't present or it
# is not reachable from a ref.
(clear_local_git_env; cd "$path" &&
- ((rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
+ ( (rev=$(git rev-list -n 1 $sha1 --not --all 2>/dev/null) &&
test -z "$rev") || git-fetch)) ||
die "Unable to fetch in submodule path '$path'"
fi
msg="merged in"
;;
*)
- command="git checkout $force -q"
+ command="git checkout $subforce -q"
action="checkout"
msg="checked out"
;;
name = xstrdup(buf);
if (fgetc(in) != '\t')
die("corrupt MERGE_RR");
- for (i = 0; i < sizeof(buf) && (buf[i] = fgetc(in)); i++)
- ; /* do nothing */
+ for (i = 0; i < sizeof(buf); i++) {
+ int c = fgetc(in);
+ if (c < 0)
+ die("corrupt MERGE_RR");
+ buf[i] = c;
+ if (c == 0)
+ break;
+ }
if (i == sizeof(buf))
die("filename too long");
string_list_insert(rr, buf)->util = name;
}
return write_rr(&merge_rr, fd);
}
+
+static time_t rerere_created_at(const char *name)
+{
+ struct stat st;
+ return stat(rerere_path(name, "preimage"), &st) ? (time_t) 0 : st.st_mtime;
+}
+
+static time_t rerere_last_used_at(const char *name)
+{
+ struct stat st;
+ return stat(rerere_path(name, "postimage"), &st) ? (time_t) 0 : st.st_mtime;
+}
+
+static void unlink_rr_item(const char *name)
+{
+ unlink(rerere_path(name, "thisimage"));
+ unlink(rerere_path(name, "preimage"));
+ unlink(rerere_path(name, "postimage"));
+ rmdir(git_path("rr-cache/%s", name));
+}
+
+struct rerere_gc_config_cb {
+ int cutoff_noresolve;
+ int cutoff_resolve;
+};
+
+static int git_rerere_gc_config(const char *var, const char *value, void *cb)
+{
+ struct rerere_gc_config_cb *cf = cb;
+
+ if (!strcmp(var, "gc.rerereresolved"))
+ cf->cutoff_resolve = git_config_int(var, value);
+ else if (!strcmp(var, "gc.rerereunresolved"))
+ cf->cutoff_noresolve = git_config_int(var, value);
+ else
+ return git_default_config(var, value, cb);
+ return 0;
+}
+
+void rerere_gc(struct string_list *rr)
+{
+ struct string_list to_remove = STRING_LIST_INIT_DUP;
+ DIR *dir;
+ struct dirent *e;
+ int i, cutoff;
+ time_t now = time(NULL), then;
+ struct rerere_gc_config_cb cf = { 15, 60 };
+
+ git_config(git_rerere_gc_config, &cf);
+ dir = opendir(git_path("rr-cache"));
+ if (!dir)
+ die_errno("unable to open rr-cache directory");
+ while ((e = readdir(dir))) {
+ if (is_dot_or_dotdot(e->d_name))
+ continue;
+
+ then = rerere_last_used_at(e->d_name);
+ if (then) {
+ cutoff = cf.cutoff_resolve;
+ } else {
+ then = rerere_created_at(e->d_name);
+ if (!then)
+ continue;
+ cutoff = cf.cutoff_noresolve;
+ }
+ if (then < now - cutoff * 86400)
+ string_list_append(&to_remove, e->d_name);
+ }
+ closedir(dir);
+ for (i = 0; i < to_remove.nr; i++)
+ unlink_rr_item(to_remove.items[i].string);
+ string_list_clear(&to_remove, 0);
+}
+
+void rerere_clear(struct string_list *merge_rr)
+{
+ int i;
+
+ for (i = 0; i < merge_rr->nr; i++) {
+ const char *name = (const char *)merge_rr->items[i].util;
+ if (!has_rerere_resolution(name))
+ unlink_rr_item(name);
+ }
+ unlink_or_warn(git_path("MERGE_RR"));
+}
{
unsigned char sha1[20];
unsigned mode;
- /* try a detailed diagnostic ... */
- get_sha1_with_mode_1(arg, sha1, &mode, 0, prefix);
+
+ /*
+ * Saying "'(icase)foo' does not exist in the index" when the
+ * user gave us ":(icase)foo" is just stupid. A magic pathspec
+ * begins with a colon and is followed by a non-alnum; do not
+ * let get_sha1_with_mode_1(only_to_die=1) to even trigger.
+ */
+ if (!(arg[0] == ':' && !isalnum(arg[1])))
+ /* try a detailed diagnostic ... */
+ get_sha1_with_mode_1(arg, sha1, &mode, 1, prefix);
+
/* ... or fall back the most general message. */
die("ambiguous argument '%s': unknown revision or path not in the working tree.\n"
"Use '--' to separate paths from revisions", arg);
"Use '--' to separate filenames from revisions", arg);
}
+/*
+ * Magic pathspec
+ *
+ * NEEDSWORK: These need to be moved to dir.h or even to a new
+ * pathspec.h when we restructure get_pathspec() users to use the
+ * "struct pathspec" interface.
+ *
+ * Possible future magic semantics include stuff like:
+ *
+ * { PATHSPEC_NOGLOB, '!', "noglob" },
+ * { PATHSPEC_ICASE, '\0', "icase" },
+ * { PATHSPEC_RECURSIVE, '*', "recursive" },
+ * { PATHSPEC_REGEXP, '\0', "regexp" },
+ *
+ */
+#define PATHSPEC_FROMTOP (1<<0)
+
+static struct pathspec_magic {
+ unsigned bit;
+ char mnemonic; /* this cannot be ':'! */
+ const char *name;
+} pathspec_magic[] = {
+ { PATHSPEC_FROMTOP, '/', "top" },
+};
+
+/*
+ * Take an element of a pathspec and check for magic signatures.
+ * Append the result to the prefix.
+ *
+ * For now, we only parse the syntax and throw out anything other than
+ * "top" magic.
+ *
+ * NEEDSWORK: This needs to be rewritten when we start migrating
+ * get_pathspec() users to use the "struct pathspec" interface. For
+ * example, a pathspec element may be marked as case-insensitive, but
+ * the prefix part must always match literally, and a single stupid
+ * string cannot express such a case.
+ */
+static const char *prefix_pathspec(const char *prefix, int prefixlen, const char *elt)
+{
+ unsigned magic = 0;
+ const char *copyfrom = elt;
+ int i;
+
+ if (elt[0] != ':') {
+ ; /* nothing to do */
+ } else if (elt[1] == '(') {
+ /* longhand */
+ const char *nextat;
+ for (copyfrom = elt + 2;
+ *copyfrom && *copyfrom != ')';
+ copyfrom = nextat) {
+ size_t len = strcspn(copyfrom, ",)");
+ if (copyfrom[len] == ')')
+ nextat = copyfrom + len;
+ else
+ nextat = copyfrom + len + 1;
+ if (!len)
+ continue;
+ for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++)
+ if (strlen(pathspec_magic[i].name) == len &&
+ !strncmp(pathspec_magic[i].name, copyfrom, len)) {
+ magic |= pathspec_magic[i].bit;
+ break;
+ }
+ if (ARRAY_SIZE(pathspec_magic) <= i)
+ die("Invalid pathspec magic '%.*s' in '%s'",
+ (int) len, copyfrom, elt);
+ }
+ if (*copyfrom == ')')
+ copyfrom++;
+ } else {
+ /* shorthand */
+ for (copyfrom = elt + 1;
+ *copyfrom && *copyfrom != ':';
+ copyfrom++) {
+ char ch = *copyfrom;
+
+ if (!is_pathspec_magic(ch))
+ break;
+ for (i = 0; i < ARRAY_SIZE(pathspec_magic); i++)
+ if (pathspec_magic[i].mnemonic == ch) {
+ magic |= pathspec_magic[i].bit;
+ break;
+ }
+ if (ARRAY_SIZE(pathspec_magic) <= i)
+ die("Unimplemented pathspec magic '%c' in '%s'",
+ ch, elt);
+ }
+ if (*copyfrom == ':')
+ copyfrom++;
+ }
+
+ if (magic & PATHSPEC_FROMTOP)
+ return xstrdup(copyfrom);
+ else
+ return prefix_path(prefix, prefixlen, copyfrom);
+}
+
const char **get_pathspec(const char *prefix, const char **pathspec)
{
const char *entry = *pathspec;
dst = pathspec;
prefixlen = prefix ? strlen(prefix) : 0;
while (*src) {
- const char *p = prefix_path(prefix, prefixlen, *src);
- *(dst++) = p;
+ *(dst++) = prefix_pathspec(prefix, prefixlen, *src);
src++;
}
*dst = NULL;
const char *slash;
struct stat st;
int fd;
- size_t len;
+ ssize_t len;
if (stat(path, &st))
return NULL;
const char *work_tree_env = getenv(GIT_WORK_TREE_ENVIRONMENT);
const char *worktree;
char *gitfile;
+ int offset;
if (PATH_MAX - 40 < strlen(gitdirenv))
die("'$%s' too big", GIT_DIR_ENVIRONMENT);
return NULL;
}
- if (!prefixcmp(cwd, worktree) &&
- cwd[strlen(worktree)] == '/') { /* cwd inside worktree */
+ offset = dir_inside_of(cwd, worktree);
+ if (offset >= 0) { /* cwd inside worktree? */
set_git_dir(real_path(gitdirenv));
if (chdir(worktree))
die_errno("Could not chdir to '%s'", worktree);
cwd[len++] = '/';
cwd[len] = '\0';
free(gitfile);
- return cwd + strlen(worktree) + 1;
+ return cwd + offset;
}
/* cwd outside worktree */