1 files changed, 57 insertions, 0 deletions
diff --git a/connected.h b/connected.h
new file mode 100644
index 0000000000..4ca325f79d
--- /dev/null
+++ b/connected.h
@@ -0,0 +1,57 @@
+#ifndef CONNECTED_H
+#define CONNECTED_H
+
+struct transport;
+
+/*
+ * Take callback data, and return next object name in the buffer.
+ * When called after returning the name for the last object, return -1
+ * to signal EOF, otherwise return 0.
+ */
+typedef int (*sha1_iterate_fn)(void *, unsigned char [20]);
+
+/*
+ * Named-arguments struct for check_connected. All arguments are
+ * optional, and can be left to defaults as set by CHECK_CONNECTED_INIT.
+ */
+struct check_connected_options {
+	/* Avoid printing any errors to stderr. */
+	int quiet;
+
+	/* --shallow-file to pass to rev-list sub-process */
+	const char *shallow_file;
+
+	/* Transport whose objects we are checking, if available. */
+	struct transport *transport;
+
+	/*
+	 * If non-zero, send error messages to this descriptor rather
+	 * than stderr. The descriptor is closed before check_connected
+	 * returns.
+	 */
+	int err_fd;
+
+	/* If non-zero, show progress as we traverse the objects. */
+	int progress;
+
+	/*
+	 * Insert these variables into the environment of the child process.
+	 */
+	const char **env;
+};
+
+#define CHECK_CONNECTED_INIT { 0 }
+
+/*
+ * Make sure that our object store has all the commits necessary to
+ * connect the ancestry chain to some of our existing refs, and all
+ * the trees and blobs that these commits use.
+ *
+ * Return 0 if Ok, non zero otherwise (i.e. some missing objects)
+ *
+ * If "opt" is NULL, behaves as if CHECK_CONNECTED_INIT was passed.
+ */
+int check_connected(sha1_iterate_fn fn, void *cb_data,
+		    struct check_connected_options *opt);
+
+#endif /* CONNECTED_H */