#include "refs.h"
#include "wildmatch.h"
#include "pathspec.h"
+#include "utf8.h"
#include "varint.h"
#include "ewah/ewok.h"
return negative ? 0 : positive;
}
+int report_path_error(const char *ps_matched,
+ const struct pathspec *pathspec,
+ const char *prefix)
+{
+ /*
+ * Make sure all pathspec matched; otherwise it is an error.
+ */
+ int num, errors = 0;
+ for (num = 0; num < pathspec->nr; num++) {
+ int other, found_dup;
+
+ if (ps_matched[num])
+ continue;
+ /*
+ * The caller might have fed identical pathspec
+ * twice. Do not barf on such a mistake.
+ * FIXME: parse_pathspec should have eliminated
+ * duplicate pathspec.
+ */
+ for (found_dup = other = 0;
+ !found_dup && other < pathspec->nr;
+ other++) {
+ if (other == num || !ps_matched[other])
+ continue;
+ if (!strcmp(pathspec->items[other].original,
+ pathspec->items[num].original))
+ /*
+ * Ok, we have a match already.
+ */
+ found_dup = 1;
+ }
+ if (found_dup)
+ continue;
+
+ error("pathspec '%s' did not match any file(s) known to git.",
+ pathspec->items[num].original);
+ errors++;
+ }
+ return errors;
+}
+
/*
* Return the length of the "simple" part of a path match limiter.
*/
}
el->filebuf = buf;
+
+ if (skip_utf8_bom(&buf, size))
+ size -= buf - el->filebuf;
+
entry = buf;
+
for (i = 0; i < size; i++) {
if (buf[i] == '\n') {
if (entry != buf + i && entry[0] != '#') {
(!untracked || !untracked->valid ||
/*
* .. and .gitignore does not exist before
- * (i.e. null exclude_sha1 and skip_worktree is
- * not set). Then we can skip loading .gitignore,
- * which would result in ENOENT anyway.
- * skip_worktree is taken care in read_directory()
+ * (i.e. null exclude_sha1). Then we can skip
+ * loading .gitignore, which would result in
+ * ENOENT anyway.
*/
!is_null_sha1(untracked->exclude_sha1))) {
/*
*/
static enum path_treatment treat_directory(struct dir_struct *dir,
struct untracked_cache_dir *untracked,
- const char *dirname, int len, int exclude,
+ const char *dirname, int len, int baselen, int exclude,
const struct path_simplify *simplify)
{
/* The "len-1" is to strip the final '/' */
if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
return exclude ? path_excluded : path_untracked;
- untracked = lookup_untracked(dir->untracked, untracked, dirname, len);
+ untracked = lookup_untracked(dir->untracked, untracked,
+ dirname + baselen, len - baselen);
return read_directory_recursive(dir, dirname, len,
untracked, 1, simplify);
}
static enum path_treatment treat_one_path(struct dir_struct *dir,
struct untracked_cache_dir *untracked,
struct strbuf *path,
+ int baselen,
const struct path_simplify *simplify,
int dtype, struct dirent *de)
{
return path_none;
case DT_DIR:
strbuf_addch(path, '/');
- return treat_directory(dir, untracked, path->buf, path->len, exclude,
- simplify);
+ return treat_directory(dir, untracked, path->buf, path->len,
+ baselen, exclude, simplify);
case DT_REG:
case DT_LNK:
return exclude ? path_excluded : path_untracked;
return path_none;
dtype = DTYPE(de);
- return treat_one_path(dir, untracked, path, simplify, dtype, de);
+ return treat_one_path(dir, untracked, path, baselen, simplify, dtype, de);
}
static void add_untracked(struct untracked_cache_dir *dir, const char *name)
break;
if (simplify_away(sb.buf, sb.len, simplify))
break;
- if (treat_one_path(dir, NULL, &sb, simplify,
+ if (treat_one_path(dir, NULL, &sb, baselen, simplify,
DT_DIR, NULL) == path_none)
break; /* do not recurse into it */
if (len <= baselen) {
return rc;
}
+static const char *get_ident_string(void)
+{
+ static struct strbuf sb = STRBUF_INIT;
+ struct utsname uts;
+
+ if (sb.len)
+ return sb.buf;
+ if (uname(&uts) < 0)
+ die_errno(_("failed to get kernel name and information"));
+ strbuf_addf(&sb, "Location %s, system %s %s %s", get_git_work_tree(),
+ uts.sysname, uts.release, uts.version);
+ return sb.buf;
+}
+
+static int ident_in_untracked(const struct untracked_cache *uc)
+{
+ const char *end = uc->ident.buf + uc->ident.len;
+ const char *p = uc->ident.buf;
+
+ for (p = uc->ident.buf; p < end; p += strlen(p) + 1)
+ if (!strcmp(p, get_ident_string()))
+ return 1;
+ return 0;
+}
+
+void add_untracked_ident(struct untracked_cache *uc)
+{
+ if (ident_in_untracked(uc))
+ return;
+ strbuf_addstr(&uc->ident, get_ident_string());
+ /* this strbuf contains a list of strings, save NUL too */
+ strbuf_addch(&uc->ident, 0);
+}
+
static struct untracked_cache_dir *validate_untracked_cache(struct dir_struct *dir,
int base_len,
const struct pathspec *pathspec)
{
struct untracked_cache_dir *root;
- int i;
- if (!dir->untracked)
+ if (!dir->untracked || getenv("GIT_DISABLE_UNTRACKED_CACHE"))
return NULL;
/*
if (dir->exclude_list_group[EXC_CMDL].nr)
return NULL;
- /*
- * An optimization in prep_exclude() does not play well with
- * CE_SKIP_WORKTREE. It's a rare case anyway, if a single
- * entry has that bit set, disable the whole untracked cache.
- */
- for (i = 0; i < active_nr; i++)
- if (ce_skip_worktree(active_cache[i]))
- return NULL;
+ if (!ident_in_untracked(dir->untracked)) {
+ warning(_("Untracked cache is disabled on this system."));
+ return NULL;
+ }
if (!dir->untracked->root) {
const int len = sizeof(*dir->untracked->root);
dir->untracked->gitignore_invalidated,
dir->untracked->dir_invalidated,
dir->untracked->dir_opened);
+ if (dir->untracked == the_index.untracked &&
+ (dir->untracked->dir_opened ||
+ dir->untracked->gitignore_invalidated ||
+ dir->untracked->dir_invalidated))
+ the_index.cache_changed |= UNTRACKED_CHANGED;
+ if (dir->untracked != the_index.untracked) {
+ free(dir->untracked);
+ dir->untracked = NULL;
+ }
}
return dir->nr;
}
return remove_dir_recurse(path, flag, NULL);
}
+static GIT_PATH_FUNC(git_path_info_exclude, "info/exclude")
+
void setup_standard_excludes(struct dir_struct *dir)
{
const char *path;
- char *xdg_path;
dir->exclude_per_dir = ".gitignore";
- path = git_path("info/exclude");
- if (!excludes_file) {
- home_config_paths(NULL, &xdg_path, "ignore");
- excludes_file = xdg_path;
- }
- if (!access_or_warn(path, R_OK, 0))
- add_excludes_from_file_1(dir, path,
- dir->untracked ? &dir->ss_info_exclude : NULL);
+
+ /* core.excludefile defaulting to $XDG_HOME/git/ignore */
+ if (!excludes_file)
+ excludes_file = xdg_config_home("ignore");
if (excludes_file && !access_or_warn(excludes_file, R_OK, 0))
add_excludes_from_file_1(dir, excludes_file,
dir->untracked ? &dir->ss_excludes_file : NULL);
+
+ /* per repository user preference */
+ path = git_path_info_exclude();
+ if (!access_or_warn(path, R_OK, 0))
+ add_excludes_from_file_1(dir, path,
+ dir->untracked ? &dir->ss_info_exclude : NULL);
}
int remove_path(const char *name)
hashcpy(ouc->excludes_file_sha1, untracked->ss_excludes_file.sha1);
ouc->dir_flags = htonl(untracked->dir_flags);
memcpy(ouc->exclude_per_dir, untracked->exclude_per_dir, len + 1);
+
+ varint_len = encode_varint(untracked->ident.len, varbuf);
+ strbuf_add(out, varbuf, varint_len);
+ strbuf_add(out, untracked->ident.buf, untracked->ident.len);
+
strbuf_add(out, ouc, ouc_size(len));
free(ouc);
ouc = NULL;
struct untracked_cache *uc;
struct read_data rd;
const unsigned char *next = data, *end = (const unsigned char *)data + sz;
- int len;
+ const char *ident;
+ int ident_len, len;
if (sz <= 1 || end[-1] != '\0')
return NULL;
end--;
+ ident_len = decode_varint(&next);
+ if (next + ident_len > end)
+ return NULL;
+ ident = (const char *)next;
+ next += ident_len;
+
ouc = (const struct ondisk_untracked_cache *)next;
if (next + ouc_size(0) > end)
return NULL;
uc = xcalloc(1, sizeof(*uc));
+ strbuf_init(&uc->ident, ident_len);
+ strbuf_add(&uc->ident, ident, ident_len);
load_sha1_stat(&uc->ss_info_exclude, &ouc->info_exclude_stat,
ouc->info_exclude_sha1);
load_sha1_stat(&uc->ss_excludes_file, &ouc->excludes_file_stat,
return uc;
}
+static void invalidate_one_directory(struct untracked_cache *uc,
+ struct untracked_cache_dir *ucd)
+{
+ uc->dir_invalidated++;
+ ucd->valid = 0;
+ ucd->untracked_nr = 0;
+}
+
+/*
+ * Normally when an entry is added or removed from a directory,
+ * invalidating that directory is enough. No need to touch its
+ * ancestors. When a directory is shown as "foo/bar/" in git-status
+ * however, deleting or adding an entry may have cascading effect.
+ *
+ * Say the "foo/bar/file" has become untracked, we need to tell the
+ * untracked_cache_dir of "foo" that "bar/" is not an untracked
+ * directory any more (because "bar" is managed by foo as an untracked
+ * "file").
+ *
+ * Similarly, if "foo/bar/file" moves from untracked to tracked and it
+ * was the last untracked entry in the entire "foo", we should show
+ * "foo/" instead. Which means we have to invalidate past "bar" up to
+ * "foo".
+ *
+ * This function traverses all directories from root to leaf. If there
+ * is a chance of one of the above cases happening, we invalidate back
+ * to root. Otherwise we just invalidate the leaf. There may be a more
+ * sophisticated way than checking for SHOW_OTHER_DIRECTORIES to
+ * detect these cases and avoid unnecessary invalidation, for example,
+ * checking for the untracked entry named "bar/" in "foo", but for now
+ * stick to something safe and simple.
+ */
+static int invalidate_one_component(struct untracked_cache *uc,
+ struct untracked_cache_dir *dir,
+ const char *path, int len)
+{
+ const char *rest = strchr(path, '/');
+
+ if (rest) {
+ int component_len = rest - path;
+ struct untracked_cache_dir *d =
+ lookup_untracked(uc, dir, path, component_len);
+ int ret =
+ invalidate_one_component(uc, d, rest + 1,
+ len - (component_len + 1));
+ if (ret)
+ invalidate_one_directory(uc, dir);
+ return ret;
+ }
+
+ invalidate_one_directory(uc, dir);
+ return uc->dir_flags & DIR_SHOW_OTHER_DIRECTORIES;
+}
+
void untracked_cache_invalidate_path(struct index_state *istate,
const char *path)
{
- const char *sep;
- struct untracked_cache_dir *d;
if (!istate->untracked || !istate->untracked->root)
return;
- sep = strrchr(path, '/');
- if (sep)
- d = lookup_untracked(istate->untracked,
- istate->untracked->root,
- path, sep - path);
- else
- d = istate->untracked->root;
- istate->untracked->dir_invalidated++;
- d->valid = 0;
- d->untracked_nr = 0;
+ invalidate_one_component(istate->untracked, istate->untracked->root,
+ path, strlen(path));
}
void untracked_cache_remove_from_index(struct index_state *istate,