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-rw-r--r--dir.c296
1 files changed, 176 insertions, 120 deletions
diff --git a/dir.c b/dir.c
index 0ea235f3d6..4541f9e146 100644
--- a/dir.c
+++ b/dir.c
@@ -16,11 +16,6 @@
#include "varint.h"
#include "ewah/ewok.h"
-struct path_simplify {
- int len;
- const char *path;
-};
-
/*
* Tells read_directory_recursive how a file or directory should be treated.
* Values are ordered by significance, e.g. if a directory contains both
@@ -50,7 +45,7 @@ struct cached_dir {
static enum path_treatment read_directory_recursive(struct dir_struct *dir,
const char *path, int len, struct untracked_cache_dir *untracked,
- int check_only, const struct path_simplify *simplify);
+ int check_only, const struct pathspec *pathspec);
static int get_dtype(struct dirent *de, const char *path, int len);
int fspathcmp(const char *a, const char *b)
@@ -179,17 +174,20 @@ char *common_prefix(const struct pathspec *pathspec)
int fill_directory(struct dir_struct *dir, const struct pathspec *pathspec)
{
- size_t len;
+ const char *prefix;
+ size_t prefix_len;
/*
* Calculate common prefix for the pathspec, and
* use that to optimize the directory walk
*/
- len = common_prefix_len(pathspec);
+ prefix_len = common_prefix_len(pathspec);
+ prefix = prefix_len ? pathspec->items[0].match : "";
/* Read the directory and prune it */
- read_directory(dir, pathspec->nr ? pathspec->_raw[0] : "", len, pathspec);
- return len;
+ read_directory(dir, prefix, prefix_len, pathspec);
+
+ return prefix_len;
}
int within_depth(const char *name, int namelen,
@@ -207,8 +205,9 @@ int within_depth(const char *name, int namelen,
return 1;
}
-#define DO_MATCH_EXCLUDE 1
-#define DO_MATCH_DIRECTORY 2
+#define DO_MATCH_EXCLUDE (1<<0)
+#define DO_MATCH_DIRECTORY (1<<1)
+#define DO_MATCH_SUBMODULE (1<<2)
/*
* Does 'match' match the given name?
@@ -283,6 +282,32 @@ static int match_pathspec_item(const struct pathspec_item *item, int prefix,
item->nowildcard_len - prefix))
return MATCHED_FNMATCH;
+ /* Perform checks to see if "name" is a super set of the pathspec */
+ if (flags & DO_MATCH_SUBMODULE) {
+ /* name is a literal prefix of the pathspec */
+ if ((namelen < matchlen) &&
+ (match[namelen] == '/') &&
+ !ps_strncmp(item, match, name, namelen))
+ return MATCHED_RECURSIVELY;
+
+ /* name" doesn't match up to the first wild character */
+ if (item->nowildcard_len < item->len &&
+ ps_strncmp(item, match, name,
+ item->nowildcard_len - prefix))
+ return 0;
+
+ /*
+ * Here is where we would perform a wildmatch to check if
+ * "name" can be matched as a directory (or a prefix) against
+ * the pathspec. Since wildmatch doesn't have this capability
+ * at the present we have to punt and say that it is a match,
+ * potentially returning a false positive
+ * The submodules themselves will be able to perform more
+ * accurate matching to determine if the pathspec matches.
+ */
+ return MATCHED_RECURSIVELY;
+ }
+
return 0;
}
@@ -386,6 +411,21 @@ int match_pathspec(const struct pathspec *ps,
return negative ? 0 : positive;
}
+/**
+ * Check if a submodule is a superset of the pathspec
+ */
+int submodule_path_match(const struct pathspec *ps,
+ const char *submodule_name,
+ char *seen)
+{
+ int matched = do_match_pathspec(ps, submodule_name,
+ strlen(submodule_name),
+ 0, seen,
+ DO_MATCH_DIRECTORY |
+ DO_MATCH_SUBMODULE);
+ return matched;
+}
+
int report_path_error(const char *ps_matched,
const struct pathspec *pathspec,
const char *prefix)
@@ -525,7 +565,7 @@ static void *read_skip_worktree_file_from_index(const char *path, size_t *size,
return NULL;
if (!ce_skip_worktree(active_cache[pos]))
return NULL;
- data = read_sha1_file(active_cache[pos]->sha1, &type, &sz);
+ data = read_sha1_file(active_cache[pos]->oid.hash, &type, &sz);
if (!data || type != OBJ_BLOB) {
free(data);
return NULL;
@@ -533,7 +573,7 @@ static void *read_skip_worktree_file_from_index(const char *path, size_t *size,
*size = xsize_t(sz);
if (sha1_stat) {
memset(&sha1_stat->stat, 0, sizeof(sha1_stat->stat));
- hashcpy(sha1_stat->sha1, active_cache[pos]->sha1);
+ hashcpy(sha1_stat->sha1, active_cache[pos]->oid.hash);
}
return data;
}
@@ -713,7 +753,8 @@ static int add_excludes(const char *fname, const char *base, int baselen,
!ce_stage(active_cache[pos]) &&
ce_uptodate(active_cache[pos]) &&
!would_convert_to_git(fname))
- hashcpy(sha1_stat->sha1, active_cache[pos]->sha1);
+ hashcpy(sha1_stat->sha1,
+ active_cache[pos]->oid.hash);
else
hash_sha1_file(buf, size, "blob", sha1_stat->sha1);
fill_stat_data(&sha1_stat->stat, &st);
@@ -1269,7 +1310,7 @@ static enum exist_status directory_exists_in_index(const char *dirname, int len)
static enum path_treatment treat_directory(struct dir_struct *dir,
struct untracked_cache_dir *untracked,
const char *dirname, int len, int baselen, int exclude,
- const struct path_simplify *simplify)
+ const struct pathspec *pathspec)
{
/* The "len-1" is to strip the final '/' */
switch (directory_exists_in_index(dirname, len-1)) {
@@ -1298,7 +1339,7 @@ static enum path_treatment treat_directory(struct dir_struct *dir,
untracked = lookup_untracked(dir->untracked, untracked,
dirname + baselen, len - baselen);
return read_directory_recursive(dir, dirname, len,
- untracked, 1, simplify);
+ untracked, 1, pathspec);
}
/*
@@ -1306,24 +1347,33 @@ static enum path_treatment treat_directory(struct dir_struct *dir,
* reading - if the path cannot possibly be in the pathspec,
* return true, and we'll skip it early.
*/
-static int simplify_away(const char *path, int pathlen, const struct path_simplify *simplify)
+static int simplify_away(const char *path, int pathlen,
+ const struct pathspec *pathspec)
{
- if (simplify) {
- for (;;) {
- const char *match = simplify->path;
- int len = simplify->len;
+ int i;
- if (!match)
- break;
- if (len > pathlen)
- len = pathlen;
- if (!memcmp(path, match, len))
- return 0;
- simplify++;
- }
- return 1;
+ if (!pathspec || !pathspec->nr)
+ return 0;
+
+ GUARD_PATHSPEC(pathspec,
+ PATHSPEC_FROMTOP |
+ PATHSPEC_MAXDEPTH |
+ PATHSPEC_LITERAL |
+ PATHSPEC_GLOB |
+ PATHSPEC_ICASE |
+ PATHSPEC_EXCLUDE);
+
+ for (i = 0; i < pathspec->nr; i++) {
+ const struct pathspec_item *item = &pathspec->items[i];
+ int len = item->nowildcard_len;
+
+ if (len > pathlen)
+ len = pathlen;
+ if (!ps_strncmp(item, item->match, path, len))
+ return 0;
}
- return 0;
+
+ return 1;
}
/*
@@ -1337,19 +1387,33 @@ static int simplify_away(const char *path, int pathlen, const struct path_simpli
* 2. the path is a directory prefix of some element in the
* pathspec
*/
-static int exclude_matches_pathspec(const char *path, int len,
- const struct path_simplify *simplify)
-{
- if (simplify) {
- for (; simplify->path; simplify++) {
- if (len == simplify->len
- && !memcmp(path, simplify->path, len))
- return 1;
- if (len < simplify->len
- && simplify->path[len] == '/'
- && !memcmp(path, simplify->path, len))
- return 1;
- }
+static int exclude_matches_pathspec(const char *path, int pathlen,
+ const struct pathspec *pathspec)
+{
+ int i;
+
+ if (!pathspec || !pathspec->nr)
+ return 0;
+
+ GUARD_PATHSPEC(pathspec,
+ PATHSPEC_FROMTOP |
+ PATHSPEC_MAXDEPTH |
+ PATHSPEC_LITERAL |
+ PATHSPEC_GLOB |
+ PATHSPEC_ICASE |
+ PATHSPEC_EXCLUDE);
+
+ for (i = 0; i < pathspec->nr; i++) {
+ const struct pathspec_item *item = &pathspec->items[i];
+ int len = item->nowildcard_len;
+
+ if (len == pathlen &&
+ !ps_strncmp(item, item->match, path, pathlen))
+ return 1;
+ if (len > pathlen &&
+ item->match[pathlen] == '/' &&
+ !ps_strncmp(item, item->match, path, pathlen))
+ return 1;
}
return 0;
}
@@ -1417,7 +1481,7 @@ 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,
+ const struct pathspec *pathspec,
int dtype, struct dirent *de)
{
int exclude;
@@ -1469,7 +1533,7 @@ static enum path_treatment treat_one_path(struct dir_struct *dir,
case DT_DIR:
strbuf_addch(path, '/');
return treat_directory(dir, untracked, path->buf, path->len,
- baselen, exclude, simplify);
+ baselen, exclude, pathspec);
case DT_REG:
case DT_LNK:
return exclude ? path_excluded : path_untracked;
@@ -1481,7 +1545,7 @@ static enum path_treatment treat_path_fast(struct dir_struct *dir,
struct cached_dir *cdir,
struct strbuf *path,
int baselen,
- const struct path_simplify *simplify)
+ const struct pathspec *pathspec)
{
strbuf_setlen(path, baselen);
if (!cdir->ucd) {
@@ -1498,7 +1562,7 @@ static enum path_treatment treat_path_fast(struct dir_struct *dir,
* with check_only set.
*/
return read_directory_recursive(dir, path->buf, path->len,
- cdir->ucd, 1, simplify);
+ cdir->ucd, 1, pathspec);
/*
* We get path_recurse in the first run when
* directory_exists_in_index() returns index_nonexistent. We
@@ -1513,23 +1577,23 @@ static enum path_treatment treat_path(struct dir_struct *dir,
struct cached_dir *cdir,
struct strbuf *path,
int baselen,
- const struct path_simplify *simplify)
+ const struct pathspec *pathspec)
{
int dtype;
struct dirent *de = cdir->de;
if (!de)
return treat_path_fast(dir, untracked, cdir, path,
- baselen, simplify);
+ baselen, pathspec);
if (is_dot_or_dotdot(de->d_name) || !strcmp(de->d_name, ".git"))
return path_none;
strbuf_setlen(path, baselen);
strbuf_addstr(path, de->d_name);
- if (simplify_away(path->buf, path->len, simplify))
+ if (simplify_away(path->buf, path->len, pathspec))
return path_none;
dtype = DTYPE(de);
- return treat_one_path(dir, untracked, path, baselen, simplify, dtype, de);
+ return treat_one_path(dir, untracked, path, baselen, pathspec, dtype, de);
}
static void add_untracked(struct untracked_cache_dir *dir, const char *name)
@@ -1660,7 +1724,7 @@ static void close_cached_dir(struct cached_dir *cdir)
static enum path_treatment read_directory_recursive(struct dir_struct *dir,
const char *base, int baselen,
struct untracked_cache_dir *untracked, int check_only,
- const struct path_simplify *simplify)
+ const struct pathspec *pathspec)
{
struct cached_dir cdir;
enum path_treatment state, subdir_state, dir_state = path_none;
@@ -1676,7 +1740,8 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir,
while (!read_cached_dir(&cdir)) {
/* check how the file or directory should be treated */
- state = treat_path(dir, untracked, &cdir, &path, baselen, simplify);
+ state = treat_path(dir, untracked, &cdir, &path,
+ baselen, pathspec);
if (state > dir_state)
dir_state = state;
@@ -1688,8 +1753,9 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir,
path.buf + baselen,
path.len - baselen);
subdir_state =
- read_directory_recursive(dir, path.buf, path.len,
- ud, check_only, simplify);
+ read_directory_recursive(dir, path.buf,
+ path.len, ud,
+ check_only, pathspec);
if (subdir_state > dir_state)
dir_state = subdir_state;
}
@@ -1713,7 +1779,7 @@ static enum path_treatment read_directory_recursive(struct dir_struct *dir,
else if ((dir->flags & DIR_SHOW_IGNORED_TOO) ||
((dir->flags & DIR_COLLECT_IGNORED) &&
exclude_matches_pathspec(path.buf, path.len,
- simplify)))
+ pathspec)))
dir_add_ignored(dir, path.buf, path.len);
break;
@@ -1744,36 +1810,9 @@ static int cmp_name(const void *p1, const void *p2)
return name_compare(e1->name, e1->len, e2->name, e2->len);
}
-static struct path_simplify *create_simplify(const char **pathspec)
-{
- int nr, alloc = 0;
- struct path_simplify *simplify = NULL;
-
- if (!pathspec)
- return NULL;
-
- for (nr = 0 ; ; nr++) {
- const char *match;
- ALLOC_GROW(simplify, nr + 1, alloc);
- match = *pathspec++;
- if (!match)
- break;
- simplify[nr].path = match;
- simplify[nr].len = simple_length(match);
- }
- simplify[nr].path = NULL;
- simplify[nr].len = 0;
- return simplify;
-}
-
-static void free_simplify(struct path_simplify *simplify)
-{
- free(simplify);
-}
-
static int treat_leading_path(struct dir_struct *dir,
const char *path, int len,
- const struct path_simplify *simplify)
+ const struct pathspec *pathspec)
{
struct strbuf sb = STRBUF_INIT;
int baselen, rc = 0;
@@ -1797,9 +1836,9 @@ static int treat_leading_path(struct dir_struct *dir,
strbuf_add(&sb, path, baselen);
if (!is_directory(sb.buf))
break;
- if (simplify_away(sb.buf, sb.len, simplify))
+ if (simplify_away(sb.buf, sb.len, pathspec))
break;
- if (treat_one_path(dir, NULL, &sb, baselen, simplify,
+ if (treat_one_path(dir, NULL, &sb, baselen, pathspec,
DT_DIR, NULL) == path_none)
break; /* do not recurse into it */
if (len <= baselen) {
@@ -1967,33 +2006,14 @@ static struct untracked_cache_dir *validate_untracked_cache(struct dir_struct *d
return root;
}
-int read_directory(struct dir_struct *dir, const char *path, int len, const struct pathspec *pathspec)
+int read_directory(struct dir_struct *dir, const char *path,
+ int len, const struct pathspec *pathspec)
{
- struct path_simplify *simplify;
struct untracked_cache_dir *untracked;
- /*
- * Check out create_simplify()
- */
- if (pathspec)
- GUARD_PATHSPEC(pathspec,
- PATHSPEC_FROMTOP |
- PATHSPEC_MAXDEPTH |
- PATHSPEC_LITERAL |
- PATHSPEC_GLOB |
- PATHSPEC_ICASE |
- PATHSPEC_EXCLUDE);
-
if (has_symlink_leading_path(path, len))
return dir->nr;
- /*
- * exclude patterns are treated like positive ones in
- * create_simplify. Usually exclude patterns should be a
- * subset of positive ones, which has no impacts on
- * create_simplify().
- */
- simplify = create_simplify(pathspec ? pathspec->_raw : NULL);
untracked = validate_untracked_cache(dir, len, pathspec);
if (!untracked)
/*
@@ -2001,11 +2021,10 @@ int read_directory(struct dir_struct *dir, const char *path, int len, const stru
* e.g. prep_exclude()
*/
dir->untracked = NULL;
- if (!len || treat_leading_path(dir, path, len, simplify))
- read_directory_recursive(dir, path, len, untracked, 0, simplify);
- free_simplify(simplify);
- qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
- qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name);
+ if (!len || treat_leading_path(dir, path, len, pathspec))
+ read_directory_recursive(dir, path, len, untracked, 0, pathspec);
+ QSORT(dir->entries, dir->nr, cmp_name);
+ QSORT(dir->ignored, dir->ignored_nr, cmp_name);
if (dir->untracked) {
static struct trace_key trace_untracked_stats = TRACE_KEY_INIT(UNTRACKED_STATS);
trace_printf_key(&trace_untracked_stats,
@@ -2194,8 +2213,6 @@ static GIT_PATH_FUNC(git_path_info_exclude, "info/exclude")
void setup_standard_excludes(struct dir_struct *dir)
{
- const char *path;
-
dir->exclude_per_dir = ".gitignore";
/* core.excludefile defaulting to $XDG_HOME/git/ignore */
@@ -2206,10 +2223,12 @@ void setup_standard_excludes(struct dir_struct *dir)
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);
+ if (startup_info->have_repository) {
+ const char *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)
@@ -2705,3 +2724,40 @@ void untracked_cache_add_to_index(struct index_state *istate,
{
untracked_cache_invalidate_path(istate, path);
}
+
+/* Update gitfile and core.worktree setting to connect work tree and git dir */
+void connect_work_tree_and_git_dir(const char *work_tree_, const char *git_dir_)
+{
+ struct strbuf file_name = STRBUF_INIT;
+ struct strbuf rel_path = STRBUF_INIT;
+ char *git_dir = real_pathdup(git_dir_);
+ char *work_tree = real_pathdup(work_tree_);
+
+ /* Update gitfile */
+ strbuf_addf(&file_name, "%s/.git", work_tree);
+ write_file(file_name.buf, "gitdir: %s",
+ relative_path(git_dir, work_tree, &rel_path));
+
+ /* Update core.worktree setting */
+ strbuf_reset(&file_name);
+ strbuf_addf(&file_name, "%s/config", git_dir);
+ git_config_set_in_file(file_name.buf, "core.worktree",
+ relative_path(work_tree, git_dir, &rel_path));
+
+ strbuf_release(&file_name);
+ strbuf_release(&rel_path);
+ free(work_tree);
+ free(git_dir);
+}
+
+/*
+ * Migrate the git directory of the given path from old_git_dir to new_git_dir.
+ */
+void relocate_gitdir(const char *path, const char *old_git_dir, const char *new_git_dir)
+{
+ if (rename(old_git_dir, new_git_dir) < 0)
+ die_errno(_("could not migrate git directory from '%s' to '%s'"),
+ old_git_dir, new_git_dir);
+
+ connect_work_tree_and_git_dir(path, new_git_dir);
+}