[PATCH] Implement --recover for git-*-fetch

With the --recover option, we verify that we have absolutely
everything reachable from the target, not assuming that things
reachable from refs will be complete.

Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>

fetch.c

@@ -15,6 +15,7 @@ int get_tree = 0;
 int get_history = 0;
 int get_all = 0;
 int get_verbosely = 0;
+int get_recover = 0;
 static unsigned char current_commit_sha1[20];
 
 void pull_say(const char *fmt, const char *hex) 
@@ -214,7 +215,9 @@ int pull(char *target)
 			return -1;
 	}
 
-	for_each_ref(mark_complete);
+	if (!get_recover) {
+		for_each_ref(mark_complete);
+	}
 
 	if (interpret_target(target, sha1))
 		return error("Could not interpret %s as something to pull",

fetch.h

@@ -40,6 +40,9 @@ extern int get_all;
 /* Set to be verbose */
 extern int get_verbosely;
 
+/* Set to check on all reachable objects. */
+extern int get_recover;
+
 /* Report what we got under get_verbosely */
 extern void pull_say(const char *, const char *);
 

http-fetch.c

@@ -491,6 +491,8 @@ int main(int argc, char **argv)
 		} else if (argv[arg][1] == 'w') {
 			write_ref = argv[arg + 1];
 			arg++;
+		} else if (!strcmp(argv[arg], "--recover")) {
+			get_recover = 1;
 		}
 		arg++;
 	}

local-fetch.c

@@ -231,6 +231,8 @@ int main(int argc, char **argv)
 			get_verbosely = 1;
 		else if (argv[arg][1] == 'w')
 			write_ref = argv[++arg];
+		else if (!strcmp(argv[arg], "--recover"))
+			get_recover = 1;
 		else
 			usage(local_pull_usage);
 		arg++;

ssh-fetch.c

@@ -119,6 +119,8 @@ int main(int argc, char **argv)
 		} else if (argv[arg][1] == 'w') {
 			write_ref = argv[arg + 1];
 			arg++;
+		} else if (!strcmp(argv[arg], "--recover")) {
+			get_recover = 1;
 		}
 		arg++;
 	}