prune: Print a message if there is nothing to prune.

When the prune subcommand finds there are no snapshots to prune, the
command stays silent, which is confusing. Make it print "nothing to
prune" in this case.

diff --git a/dss.c b/dss.c
index f91883aefd467665ffa6c4858657dc1a532ef998..537c2430f7b18f7f5f6809fd270993ee800ba6b9 100644 (file)
--- a/dss.c
+++ b/dss.c
@@ -1661,6 +1661,7 @@ static int com_prune(void)
        victim = find_redundant_snapshot(&sl);
        if (victim)
                goto rm;
+       dss_msg("nothing to prune\n");
        ret = 0;
        goto out;
 rm: