dupemerge: document --progress option, and expand tabs in rest of usage

diff --git a/faster-dupemerge b/faster-dupemerge
index f1413b47e10a7d60364c14d532efdcdb049a76f0..9920a26bf2bb531bd2a22f2339b83c601aee2cb3 100755 (executable)
--- a/faster-dupemerge
+++ b/faster-dupemerge
@@ -134,24 +134,33 @@ hard links).
         --debug         show all steps in duplication discovery process
                         (implies --verbose)
 
-       --dry-run       do not lock files or make changes to filesystem
+        --dry-run       do not lock files or make changes to filesystem
 
         --find          pass next options (up to --) to find command
 
-       --humane        human-readable statistics (e.g. 1 048 576)
+        --humane        human-readable statistics (e.g. 1 048 576)
 
         --lock FILE     exit immediately (status 10) if unable to obtain a 
                         flock(LOCK_EX|LOCK_NB) on FILE
 
-       --lock-rm       remove lock file at exit
+        --lock-rm       remove lock file at exit
+
+        --progress      output single-character progress indicators:
+                        C - compare
+                        H - hash
+                        L - link(2)
+                        R - rename(2)
+                        S, s - lstat(2) (see source for details)
+                        U - unlink(2)
+                        . - all inodes with similar attributes done
 
         --sort          pass next options (up to --) to sort command
 
         --timestamps    mtime may be different for identical files
 
-       --skip-compare  skip byte-by-byte file comparisons
+        --skip-compare  skip byte-by-byte file comparisons
 
-       --skip-hash     skip calculation of hash function on files
+        --skip-hash     skip calculation of hash function on files
 
         --trust         old name for --skip-compare
                         (trust the hash function)