1 files changed, 126 insertions, 87 deletions

diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index 9751010780..b12d0bb612 100644
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -54,17 +54,17 @@ static const char *tag_modified = "";
 static const char *tag_skip_worktree = "";
 static const char *tag_resolve_undo = "";
 
-static void write_eolinfo(const struct cache_entry *ce, const char *path)
+static void write_eolinfo(const struct index_state *istate,
+			  const struct cache_entry *ce, const char *path)
 {
-	if (!show_eol)
-		return;
-	else {
+	if (show_eol) {
 		struct stat st;
 		const char *i_txt = "";
 		const char *w_txt = "";
 		const char *a_txt = get_convert_attr_ascii(path);
 		if (ce && S_ISREG(ce->ce_mode))
-			i_txt = get_cached_convert_stats_ascii(ce->name);
+			i_txt = get_cached_convert_stats_ascii(istate,
+							       ce->name);
 		if (!lstat(path, &st) && S_ISREG(st.st_mode))
 			w_txt = get_wt_convert_stats_ascii(path);
 		printf("i/%-5s w/%-5s attr/%-17s\t", i_txt, w_txt, a_txt);
@@ -94,34 +94,73 @@ static void write_name(const char *name)
 	strbuf_release(&full_name);
 }
 
+static const char *get_tag(const struct cache_entry *ce, const char *tag)
+{
+	static char alttag[4];
+
+	if (tag && *tag && show_valid_bit && (ce->ce_flags & CE_VALID)) {
+		memcpy(alttag, tag, 3);
+
+		if (isalpha(tag[0])) {
+			alttag[0] = tolower(tag[0]);
+		} else if (tag[0] == '?') {
+			alttag[0] = '!';
+		} else {
+			alttag[0] = 'v';
+			alttag[1] = tag[0];
+			alttag[2] = ' ';
+			alttag[3] = 0;
+		}
+
+		tag = alttag;
+	}
+
+	return tag;
+}
+
+static void print_debug(const struct cache_entry *ce)
+{
+	if (debug_mode) {
+		const struct stat_data *sd = &ce->ce_stat_data;
+
+		printf("  ctime: %d:%d\n", sd->sd_ctime.sec, sd->sd_ctime.nsec);
+		printf("  mtime: %d:%d\n", sd->sd_mtime.sec, sd->sd_mtime.nsec);
+		printf("  dev: %d\tino: %d\n", sd->sd_dev, sd->sd_ino);
+		printf("  uid: %d\tgid: %d\n", sd->sd_uid, sd->sd_gid);
+		printf("  size: %d\tflags: %x\n", sd->sd_size, ce->ce_flags);
+	}
+}
+
 static void show_dir_entry(const char *tag, struct dir_entry *ent)
 {
 	int len = max_prefix_len;
 
-	if (len >= ent->len)
+	if (len > ent->len)
 		die("git ls-files: internal error - directory entry not superset of prefix");
 
 	if (!dir_path_match(ent, &pathspec, len, ps_matched))
 		return;
 
 	fputs(tag, stdout);
-	write_eolinfo(NULL, ent->name);
+	write_eolinfo(NULL, NULL, ent->name);
 	write_name(ent->name);
 }
 
-static void show_other_files(struct dir_struct *dir)
+static void show_other_files(const struct index_state *istate,
+			     const struct dir_struct *dir)
 {
 	int i;
 
 	for (i = 0; i < dir->nr; i++) {
 		struct dir_entry *ent = dir->entries[i];
-		if (!cache_name_is_other(ent->name, ent->len))
+		if (!index_name_is_other(istate, ent->name, ent->len))
 			continue;
 		show_dir_entry(tag_other, ent);
 	}
 }
 
-static void show_killed_files(struct dir_struct *dir)
+static void show_killed_files(const struct index_state *istate,
+			      const struct dir_struct *dir)
 {
 	int i;
 	for (i = 0; i < dir->nr; i++) {
@@ -135,29 +174,29 @@ static void show_killed_files(struct dir_struct *dir)
 				/* If ent->name is prefix of an entry in the
 				 * cache, it will be killed.
 				 */
-				pos = cache_name_pos(ent->name, ent->len);
+				pos = index_name_pos(istate, ent->name, ent->len);
 				if (0 <= pos)
 					die("BUG: killed-file %.*s not found",
 						ent->len, ent->name);
 				pos = -pos - 1;
-				while (pos < active_nr &&
-				       ce_stage(active_cache[pos]))
+				while (pos < istate->cache_nr &&
+				       ce_stage(istate->cache[pos]))
 					pos++; /* skip unmerged */
-				if (active_nr <= pos)
+				if (istate->cache_nr <= pos)
 					break;
 				/* pos points at a name immediately after
 				 * ent->name in the cache.  Does it expect
 				 * ent->name to be a directory?
 				 */
-				len = ce_namelen(active_cache[pos]);
+				len = ce_namelen(istate->cache[pos]);
 				if ((ent->len < len) &&
-				    !strncmp(active_cache[pos]->name,
+				    !strncmp(istate->cache[pos]->name,
 					     ent->name, ent->len) &&
-				    active_cache[pos]->name[ent->len] == '/')
+				    istate->cache[pos]->name[ent->len] == '/')
 					killed = 1;
 				break;
 			}
-			if (0 <= cache_name_pos(ent->name, sp - ent->name)) {
+			if (0 <= index_name_pos(istate, ent->name, sp - ent->name)) {
 				/* If any of the leading directories in
 				 * ent->name is registered in the cache,
 				 * ent->name will be killed.
@@ -231,7 +270,8 @@ static void show_gitlink(const struct cache_entry *ce)
 		exit(status);
 }
 
-static void show_ce_entry(const char *tag, const struct cache_entry *ce)
+static void show_ce_entry(const struct index_state *istate,
+			  const char *tag, const struct cache_entry *ce)
 {
 	struct strbuf name = STRBUF_INIT;
 	int len = max_prefix_len;
@@ -239,7 +279,7 @@ static void show_ce_entry(const char *tag, const struct cache_entry *ce)
 		strbuf_addstr(&name, super_prefix);
 	strbuf_addstr(&name, ce->name);
 
-	if (len >= ce_namelen(ce))
+	if (len > ce_namelen(ce))
 		die("git ls-files: internal error - cache entry not superset of prefix");
 
 	if (recurse_submodules && S_ISGITLINK(ce->ce_mode) &&
@@ -249,22 +289,7 @@ static void show_ce_entry(const char *tag, const struct cache_entry *ce)
 				  len, ps_matched,
 				  S_ISDIR(ce->ce_mode) ||
 				  S_ISGITLINK(ce->ce_mode))) {
-		if (tag && *tag && show_valid_bit &&
-		    (ce->ce_flags & CE_VALID)) {
-			static char alttag[4];
-			memcpy(alttag, tag, 3);
-			if (isalpha(tag[0]))
-				alttag[0] = tolower(tag[0]);
-			else if (tag[0] == '?')
-				alttag[0] = '!';
-			else {
-				alttag[0] = 'v';
-				alttag[1] = tag[0];
-				alttag[2] = ' ';
-				alttag[3] = 0;
-			}
-			tag = alttag;
-		}
+		tag = get_tag(ce, tag);
 
 		if (!show_stage) {
 			fputs(tag, stdout);
@@ -275,30 +300,22 @@ static void show_ce_entry(const char *tag, const struct cache_entry *ce)
 			       find_unique_abbrev(ce->oid.hash, abbrev),
 			       ce_stage(ce));
 		}
-		write_eolinfo(ce, ce->name);
+		write_eolinfo(istate, ce, ce->name);
 		write_name(ce->name);
-		if (debug_mode) {
-			const struct stat_data *sd = &ce->ce_stat_data;
-
-			printf("  ctime: %d:%d\n", sd->sd_ctime.sec, sd->sd_ctime.nsec);
-			printf("  mtime: %d:%d\n", sd->sd_mtime.sec, sd->sd_mtime.nsec);
-			printf("  dev: %d\tino: %d\n", sd->sd_dev, sd->sd_ino);
-			printf("  uid: %d\tgid: %d\n", sd->sd_uid, sd->sd_gid);
-			printf("  size: %d\tflags: %x\n", sd->sd_size, ce->ce_flags);
-		}
+		print_debug(ce);
 	}
 
 	strbuf_release(&name);
 }
 
-static void show_ru_info(void)
+static void show_ru_info(const struct index_state *istate)
 {
 	struct string_list_item *item;
 
-	if (!the_index.resolve_undo)
+	if (!istate->resolve_undo)
 		return;
 
-	for_each_string_list_item(item, the_index.resolve_undo) {
+	for_each_string_list_item(item, istate->resolve_undo) {
 		const char *path = item->string;
 		struct resolve_undo_info *ui = item->util;
 		int i, len;
@@ -320,13 +337,14 @@ static void show_ru_info(void)
 	}
 }
 
-static int ce_excluded(struct dir_struct *dir, const struct cache_entry *ce)
+static int ce_excluded(struct dir_struct *dir, struct index_state *istate,
+		       const struct cache_entry *ce)
 {
 	int dtype = ce_to_dtype(ce);
-	return is_excluded(dir, ce->name, &dtype);
+	return is_excluded(dir, istate, ce->name, &dtype);
 }
 
-static void show_files(struct dir_struct *dir)
+static void show_files(struct index_state *istate, struct dir_struct *dir)
 {
 	int i;
 
@@ -334,33 +352,33 @@ static void show_files(struct dir_struct *dir)
 	if (show_others || show_killed) {
 		if (!show_others)
 			dir->flags |= DIR_COLLECT_KILLED_ONLY;
-		fill_directory(dir, &pathspec);
+		fill_directory(dir, istate, &pathspec);
 		if (show_others)
-			show_other_files(dir);
+			show_other_files(istate, dir);
 		if (show_killed)
-			show_killed_files(dir);
+			show_killed_files(istate, dir);
 	}
 	if (show_cached || show_stage) {
-		for (i = 0; i < active_nr; i++) {
-			const struct cache_entry *ce = active_cache[i];
+		for (i = 0; i < istate->cache_nr; i++) {
+			const struct cache_entry *ce = istate->cache[i];
 			if ((dir->flags & DIR_SHOW_IGNORED) &&
-			    !ce_excluded(dir, ce))
+			    !ce_excluded(dir, istate, ce))
 				continue;
 			if (show_unmerged && !ce_stage(ce))
 				continue;
 			if (ce->ce_flags & CE_UPDATE)
 				continue;
-			show_ce_entry(ce_stage(ce) ? tag_unmerged :
+			show_ce_entry(istate, ce_stage(ce) ? tag_unmerged :
 				(ce_skip_worktree(ce) ? tag_skip_worktree : tag_cached), ce);
 		}
 	}
 	if (show_deleted || show_modified) {
-		for (i = 0; i < active_nr; i++) {
-			const struct cache_entry *ce = active_cache[i];
+		for (i = 0; i < istate->cache_nr; i++) {
+			const struct cache_entry *ce = istate->cache[i];
 			struct stat st;
 			int err;
 			if ((dir->flags & DIR_SHOW_IGNORED) &&
-			    !ce_excluded(dir, ce))
+			    !ce_excluded(dir, istate, ce))
 				continue;
 			if (ce->ce_flags & CE_UPDATE)
 				continue;
@@ -368,9 +386,9 @@ static void show_files(struct dir_struct *dir)
 				continue;
 			err = lstat(ce->name, &st);
 			if (show_deleted && err)
-				show_ce_entry(tag_removed, ce);
-			if (show_modified && ce_modified(ce, &st, 0))
-				show_ce_entry(tag_modified, ce);
+				show_ce_entry(istate, tag_removed, ce);
+			if (show_modified && ie_modified(istate, ce, &st, 0))
+				show_ce_entry(istate, tag_modified, ce);
 		}
 	}
 }
@@ -378,30 +396,50 @@ static void show_files(struct dir_struct *dir)
 /*
  * Prune the index to only contain stuff starting with "prefix"
  */
-static void prune_cache(const char *prefix, size_t prefixlen)
+static void prune_index(struct index_state *istate,
+			const char *prefix, size_t prefixlen)
 {
 	int pos;
 	unsigned int first, last;
 
 	if (!prefix)
 		return;
-	pos = cache_name_pos(prefix, prefixlen);
+	pos = index_name_pos(istate, prefix, prefixlen);
 	if (pos < 0)
 		pos = -pos-1;
 	first = pos;
-	last = active_nr;
+	last = istate->cache_nr;
 	while (last > first) {
 		int next = (last + first) >> 1;
-		const struct cache_entry *ce = active_cache[next];
+		const struct cache_entry *ce = istate->cache[next];
 		if (!strncmp(ce->name, prefix, prefixlen)) {
 			first = next+1;
 			continue;
 		}
 		last = next;
 	}
-	memmove(active_cache, active_cache + pos,
+	memmove(istate->cache, istate->cache + pos,
 		(last - pos) * sizeof(struct cache_entry *));
-	active_nr = last - pos;
+	istate->cache_nr = last - pos;
+}
+
+static int get_common_prefix_len(const char *common_prefix)
+{
+	int common_prefix_len;
+
+	if (!common_prefix)
+		return 0;
+
+	common_prefix_len = strlen(common_prefix);
+
+	/*
+	 * If the prefix has a trailing slash, strip it so that submodules wont
+	 * be pruned from the index.
+	 */
+	if (common_prefix[common_prefix_len - 1] == '/')
+		common_prefix_len--;
+
+	return common_prefix_len;
 }
 
 /*
@@ -412,23 +450,24 @@ static void prune_cache(const char *prefix, size_t prefixlen)
  * that were given from the command line.  We are not
  * going to write this index out.
  */
-void overlay_tree_on_cache(const char *tree_name, const char *prefix)
+void overlay_tree_on_index(struct index_state *istate,
+			   const char *tree_name, const char *prefix)
 {
 	struct tree *tree;
-	unsigned char sha1[20];
+	struct object_id oid;
 	struct pathspec pathspec;
 	struct cache_entry *last_stage0 = NULL;
 	int i;
 
-	if (get_sha1(tree_name, sha1))
+	if (get_oid(tree_name, &oid))
 		die("tree-ish %s not found.", tree_name);
-	tree = parse_tree_indirect(sha1);
+	tree = parse_tree_indirect(&oid);
 	if (!tree)
 		die("bad tree-ish %s", tree_name);
 
 	/* Hoist the unmerged entries up to stage #3 to make room */
-	for (i = 0; i < active_nr; i++) {
-		struct cache_entry *ce = active_cache[i];
+	for (i = 0; i < istate->cache_nr; i++) {
+		struct cache_entry *ce = istate->cache[i];
 		if (!ce_stage(ce))
 			continue;
 		ce->ce_flags |= CE_STAGEMASK;
@@ -441,11 +480,11 @@ void overlay_tree_on_cache(const char *tree_name, const char *prefix)
 			       PATHSPEC_PREFER_CWD, prefix, matchbuf);
 	} else
 		memset(&pathspec, 0, sizeof(pathspec));
-	if (read_tree(tree, 1, &pathspec))
+	if (read_tree(tree, 1, &pathspec, istate))
 		die("unable to read tree entries %s", tree_name);
 
-	for (i = 0; i < active_nr; i++) {
-		struct cache_entry *ce = active_cache[i];
+	for (i = 0; i < istate->cache_nr; i++) {
+		struct cache_entry *ce = istate->cache[i];
 		switch (ce_stage(ce)) {
 		case 0:
 			last_stage0 = ce;
@@ -625,8 +664,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
 		    "--error-unmatch");
 
 	parse_pathspec(&pathspec, 0,
-		       PATHSPEC_PREFER_CWD |
-		       PATHSPEC_STRIP_SUBMODULE_SLASH_CHEAP,
+		       PATHSPEC_PREFER_CWD,
 		       prefix, argv);
 
 	/*
@@ -638,7 +676,9 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
 		max_prefix = NULL;
 	else
 		max_prefix = common_prefix(&pathspec);
-	max_prefix_len = max_prefix ? strlen(max_prefix) : 0;
+	max_prefix_len = get_common_prefix_len(max_prefix);
+
+	prune_index(&the_index, max_prefix, max_prefix_len);
 
 	/* Treat unmatching pathspec elements as errors */
 	if (pathspec.nr && error_unmatch)
@@ -652,7 +692,6 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
 	      show_killed || show_modified || show_resolve_undo))
 		show_cached = 1;
 
-	prune_cache(max_prefix, max_prefix_len);
 	if (with_tree) {
 		/*
 		 * Basic sanity check; show-stages and show-unmerged
@@ -660,11 +699,11 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
 		 */
 		if (show_stage || show_unmerged)
 			die("ls-files --with-tree is incompatible with -s or -u");
-		overlay_tree_on_cache(with_tree, max_prefix);
+		overlay_tree_on_index(&the_index, with_tree, max_prefix);
 	}
-	show_files(&dir);
+	show_files(&the_index, &dir);
 	if (show_resolve_undo)
-		show_ru_info();
+		show_ru_info(&the_index);
 
 	if (ps_matched) {
 		int bad;