X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=blobdiff_plain;f=Documentation%2Fpublic-inbox-index.pod;h=610dacbe7df9b2937dad1f2bd465842209e168da;hp=c15c1cacb9eb0930bd84f9cf2c3f0bdd40952015;hb=d9aad3a7988262b31ab2171f2c982daf04ac822c;hpb=19629ff99de0eb43a26963b8c276eae54f1247c8

diff --git a/Documentation/public-inbox-index.pod b/Documentation/public-inbox-index.pod
index c15c1cac..610dacbe 100644
--- a/Documentation/public-inbox-index.pod
+++ b/Documentation/public-inbox-index.pod
@@ -42,6 +42,13 @@ Xapian database.
 
 This does not touch the NNTP article number database.
 
+=item --prune
+
+Run L<git-gc(1)> to prune and expire reflogs if discontiguous history
+is detected.  This is intended to be used in mirrors after running
+L<public-inbox-edit(1)> or L<public-inbox-purge(1)> to ensure data
+is expunged from mirrors.
+
 =back
 
 =head1 FILES