X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=checkout-cache.c;h=5cd473ca1ca8cf5ced71be70e6ed76a484575b08;hb=706bc531a19f268bb03dda7551929dee20172548;hp=b1c086a7ce3ba7eb4ddfaa33d89ea39a57ad422e;hpb=33db5f4d9027a10e477ccf054b2c1ab94f74c85a;p=git.git

diff --git a/checkout-cache.c b/checkout-cache.c
index b1c086a7c..5cd473ca1 100644
--- a/checkout-cache.c
+++ b/checkout-cache.c
@@ -36,48 +36,83 @@
 
 static int force = 0, quiet = 0;
 
+static void create_directories(const char *path)
+{
+	int len = strlen(path);
+	char *buf = malloc(len + 1);
+	const char *slash = path;
+
+	while ((slash = strchr(slash+1, '/')) != NULL) {
+		len = slash - path;
+		memcpy(buf, path, len);
+		buf[len] = 0;
+		mkdir(buf, 0755);
+	}
+}
+
+static int create_file(const char *path, unsigned int mode)
+{
+	int fd;
+
+	mode = (mode & 0100) ? 0777 : 0666;
+	fd = open(path, O_WRONLY | O_TRUNC | O_CREAT, mode);
+	if (fd < 0) {
+		if (errno == ENOENT) {
+			create_directories(path);
+			fd = open(path, O_WRONLY | O_TRUNC | O_CREAT, mode);
+		}
+	}
+	return fd;
+}
+
 static int write_entry(struct cache_entry *ce)
 {
 	int fd;
 	void *new;
 	unsigned long size;
 	long wrote;
+	char type[20];
 
-	new = read_sha1_file(ce->sha1, "blob", &size);
-	if (!new) {
-		fprintf(stderr, "checkout-cache: unable to read sha1 file of %s (%s)",
+	new = read_sha1_file(ce->sha1, type, &size);
+	if (!new || strcmp(type, "blob")) {
+		return error("checkout-cache: unable to read sha1 file of %s (%s)",
 			ce->name, sha1_to_hex(ce->sha1));
-		return -1;
 	}
-	fd = open(ce->name, O_WRONLY | O_CREAT | O_TRUNC, 0600);
+	fd = create_file(ce->name, ntohl(ce->ce_mode));
 	if (fd < 0) {
-		fprintf(stderr, "checkout-cache: unable to create %s (%s)",
-			ce->name, strerror(errno));
 		free(new);
-		return -1;
+		return error("checkout-cache: unable to create %s (%s)",
+			ce->name, strerror(errno));
 	}
 	wrote = write(fd, new, size);
 	close(fd);
 	free(new);
-	if (wrote == size)
-		return 0;
-	fprintf(stderr, "checkout-cache: unable to write %s", ce->name);
-	return -1;
+	if (wrote != size)
+		return error("checkout-cache: unable to write %s", ce->name);
+	return 0;
 }
 
 static int checkout_entry(struct cache_entry *ce)
 {
-	if (!force) {
-		struct stat st;
+	struct stat st;
 
-		if (!stat(ce->name, &st)) {
-			unsigned changed = cache_match_stat(ce, &st);
-			if (!changed)
-				return 0;
+	if (!stat(ce->name, &st)) {
+		unsigned changed = cache_match_stat(ce, &st);
+		if (!changed)
+			return 0;
+		if (!force) {
 			if (!quiet)
-				fprintf(stderr, "checkout-cache: %s already exists", ce->name);
-			return -1;
+				fprintf(stderr, "checkout-cache: %s already exists\n", ce->name);
+			return 0;
 		}
+
+		/*
+		 * We unlink the old file, to get the new one with the
+		 * right permissions (including umask, which is nasty
+		 * to emulate by hand - much easier to let the system
+		 * just do the right thing)
+		 */
+		unlink(ce->name);
 	}
 	return write_entry(ce);
 }
@@ -86,8 +121,15 @@ static int checkout_file(const char *name)
 {
 	int pos = cache_name_pos(name, strlen(name));
 	if (pos < 0) {
-		if (!quiet)
-			fprintf(stderr, "checkout-cache: %s is not in the cache", name);
+		if (!quiet) {
+			pos = -pos - 1;
+			fprintf(stderr,
+				"checkout-cache: %s is %s.\n",
+				name,
+				(pos < active_nr &&
+				 !strcmp(active_cache[pos]->name, name)) ?
+				"unmerged" : "not in the cache");
+		}
 		return -1;
 	}
 	return checkout_entry(active_cache[pos]);
@@ -99,6 +141,8 @@ static int checkout_all(void)
 
 	for (i = 0; i < active_nr ; i++) {
 		struct cache_entry *ce = active_cache[i];
+		if (ce_stage(ce))
+			continue;
 		if (checkout_entry(ce) < 0)
 			return -1;
 	}
@@ -110,8 +154,7 @@ int main(int argc, char **argv)
 	int i, force_filename = 0;
 
 	if (read_cache() < 0) {
-		fprintf(stderr, "Invalid cache");
-		exit(1);
+		die("invalid cache");
 	}
 
 	for (i = 1; i < argc; i++) {