Adjust quoting styles for some environment variables in the documentation.

diff --git a/checkout-cache.c b/checkout-cache.c
index a1ef9448c35fa76ea036faae1a789f0cb654198d..64ce92147fdf200798be2578ddb051f9115a7ba5 100644 (file)
--- a/checkout-cache.c
+++ b/checkout-cache.c
@@ -48,6 +48,7 @@ static void create_directories(const char *path)
                buf[len] = 0;
                mkdir(buf, 0755);
        }
+       free(buf);
 }
 
 static int create_file(const char *path, unsigned int mode)
@@ -72,23 +73,42 @@ static int write_entry(struct cache_entry *ce, const char *path)
        unsigned long size;
        long wrote;
        char type[20];
+       char target[1024];
 
        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)",
                        path, sha1_to_hex(ce->sha1));
        }
-       fd = create_file(path, ntohl(ce->ce_mode));
-       if (fd < 0) {
+       switch (ntohl(ce->ce_mode) & S_IFMT) {
+       case S_IFREG:
+               fd = create_file(path, ntohl(ce->ce_mode));
+               if (fd < 0) {
+                       free(new);
+                       return error("checkout-cache: unable to create file %s (%s)",
+                               path, strerror(errno));
+               }
+               wrote = write(fd, new, size);
+               close(fd);
+               free(new);
+               if (wrote != size)
+                       return error("checkout-cache: unable to write file %s", path);
+               break;
+       case S_IFLNK:
+               memcpy(target, new, size);
+               target[size] = '\0';
+               create_directories(path);
+               if (symlink(target, path)) {
+                       free(new);
+                       return error("checkout-cache: unable to create symlink %s (%s)",
+                               path, strerror(errno));
+               }
+               free(new);
+               break;
+       default:
                free(new);
-               return error("checkout-cache: unable to create %s (%s)",
-                       path, strerror(errno));
+               return error("checkout-cache: unknown file mode for %s", path);
        }
-       wrote = write(fd, new, size);
-       close(fd);
-       free(new);
-       if (wrote != size)
-               return error("checkout-cache: unable to write %s", path);
        return 0;
 }
 
@@ -101,7 +121,7 @@ static int checkout_entry(struct cache_entry *ce, const char *base_dir)
        memcpy(path, base_dir, len);
        strcpy(path + len, ce->name);
 
-       if (!stat(path, &st)) {
+       if (!lstat(path, &st)) {
                unsigned changed = cache_match_stat(ce, &st);
                if (!changed)
                        return 0;