1 files changed, 56 insertions, 0 deletions
diff --git a/cat-file.c b/cat-file.c
new file mode 100644
index 0000000000..d775a1545b
--- /dev/null
+++ b/cat-file.c
@@ -0,0 +1,56 @@
+/*
+ * GIT - The information manager from hell
+ *
+ * Copyright (C) Linus Torvalds, 2005
+ */
+#include "cache.h"
+
+int main(int argc, char **argv)
+{
+	unsigned char sha1[20];
+	char type[20];
+	void *buf;
+	unsigned long size;
+
+	setup_git_directory();
+	if (argc != 3 || get_sha1(argv[2], sha1))
+		usage("git-cat-file [-t | -s | <type>] <sha1>");
+
+	if (!strcmp("-t", argv[1]) || !strcmp("-s", argv[1])) {
+		if (!sha1_object_info(sha1, type,
+				      argv[1][1] == 's' ? &size : NULL)) {
+			switch (argv[1][1]) {
+			case 't':
+				printf("%s\n", type);
+				break;
+			case 's':
+				printf("%lu\n", size);
+				break;
+			}
+			return 0;
+		}
+		buf = NULL;
+	} else {
+		buf = read_object_with_reference(sha1, argv[1], &size, NULL);
+	}
+
+	if (!buf)
+		die("git-cat-file %s: bad file", argv[2]);
+
+	while (size > 0) {
+		long ret = write(1, buf, size);
+		if (ret < 0) {
+			if (errno == EAGAIN)
+				continue;
+			/* Ignore epipe */
+			if (errno == EPIPE)
+				break;
+			die("git-cat-file: %s", strerror(errno));
+		} else if (!ret) {
+			die("git-cat-file: disk full?");
+		}
+		size -= ret;
+		buf += ret;
+	}
+	return 0;
+}