t7001: add test case for --dry-run

diff --git a/entry.c b/entry.c
index 65458f07a4453fa29731fe2b9c20848d6b192b20..3c1818f1d45d92d2470ca549f9596e347086bbb6 100644 (file)
--- a/entry.c
+++ b/entry.c
@@ -244,7 +244,8 @@ static int write_entry(struct cache_entry *ce,
        char *new;
        struct strbuf buf = STRBUF_INIT;
        unsigned long size;
-       size_t wrote, newsize = 0;
+       ssize_t wrote;
+       size_t newsize = 0;
        struct stat st;
        const struct submodule *sub;
 
@@ -319,7 +320,7 @@ static int write_entry(struct cache_entry *ce,
                        fstat_done = fstat_output(fd, state, &st);
                close(fd);
                free(new);
-               if (wrote != size)
+               if (wrote < 0)
                        return error("unable to write file %s", path);
                break;
        case S_IFGITLINK: