X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin-read-tree.c;h=8ba436dbace7ec25ec5768a5c6c84f3202f92159;hb=2c039da804ee0542ff41d2f22a444d04a2d37856;hp=8869cedea1f9b07d78520858876cca614283d01b;hpb=c1a788aceecb0a8e95d6442938ade9ca43df033e;p=git.git

diff --git a/builtin-read-tree.c b/builtin-read-tree.c
index 8869cedea..8ba436dba 100644
--- a/builtin-read-tree.c
+++ b/builtin-read-tree.c
@@ -10,9 +10,10 @@
 #include "tree-walk.h"
 #include "cache-tree.h"
 #include "unpack-trees.h"
+#include "dir.h"
 #include "builtin.h"
 
-static struct object_list *trees = NULL;
+static struct object_list *trees;
 
 static int list_tree(unsigned char *sha1)
 {
@@ -53,7 +54,7 @@ static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
 	struct name_entry entry;
 	int cnt;
 
-	memcpy(it->sha1, tree->object.sha1, 20);
+	hashcpy(it->sha1, tree->object.sha1);
 	desc.buf = tree->buffer;
 	desc.size = tree->size;
 	cnt = 0;
@@ -84,11 +85,11 @@ static void prime_cache_tree(void)
 
 }
 
-static const char read_tree_usage[] = "git-read-tree (<sha> | [[-m [--aggressive] | --reset | --prefix=<prefix>] [-u | -i]] <sha1> [<sha2> [<sha3>]])";
+static const char read_tree_usage[] = "git-read-tree (<sha> | [[-m [--aggressive] | --reset | --prefix=<prefix>] [-u | -i]] [--exclude-per-directory=<gitignore>] <sha1> [<sha2> [<sha3>]])";
 
 static struct lock_file lock_file;
 
-int cmd_read_tree(int argc, const char **argv, const char *prefix)
+int cmd_read_tree(int argc, const char **argv, const char *unused_prefix)
 {
 	int i, newfd, stage = 0;
 	unsigned char sha1[20];
@@ -100,9 +101,7 @@ int cmd_read_tree(int argc, const char **argv, const char *prefix)
 	setup_git_directory();
 	git_config(git_default_config);
 
-	newfd = hold_lock_file_for_update(&lock_file, get_index_file());
-	if (newfd < 0)
-		die("unable to create new index file");
+	newfd = hold_lock_file_for_update(&lock_file, get_index_file(), 1);
 
 	git_config(git_default_config);
 
@@ -180,6 +179,23 @@ int cmd_read_tree(int argc, const char **argv, const char *prefix)
 			continue;
 		}
 
+		if (!strncmp(arg, "--exclude-per-directory=", 24)) {
+			struct dir_struct *dir;
+
+			if (opts.dir)
+				die("more than one --exclude-per-directory are given.");
+
+			dir = calloc(1, sizeof(*opts.dir));
+			dir->show_ignored = 1;
+			dir->exclude_per_dir = arg + 24;
+			opts.dir = dir;
+			/* We do not need to nor want to do read-directory
+			 * here; we are merely interested in reusing the
+			 * per directory ignore stack mechanism.
+			 */
+			continue;
+		}
+
 		/* using -u and -i at the same time makes no sense */
 		if (1 < opts.index_only + opts.update)
 			usage(read_tree_usage);
@@ -192,6 +208,8 @@ int cmd_read_tree(int argc, const char **argv, const char *prefix)
 	}
 	if ((opts.update||opts.index_only) && !opts.merge)
 		usage(read_tree_usage);
+	if ((opts.dir && !opts.update))
+		die("--exclude-per-directory is meaningless unless -u");
 
 	if (opts.prefix) {
 		int pfxlen = strlen(opts.prefix);