X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/rsync-backup/blobdiff_plain/9653f45d4e6e3009f86f912c7bee4441e9ae2b06..HEAD:/fshash.in

diff --git a/fshash.in b/fshash.in
index 525b0f0..dcfd229 100644
--- a/fshash.in
+++ b/fshash.in
@@ -449,6 +449,7 @@ class Reporter (object):
           suffix = '\0%d' % seq
           seq += 1
         me._inomap[inoidx] = vino
+        if OPTS.compat >= 2: me._vinomap[vino] = inoidx
     if h: info = h
     else: info = '[%-*s]' % (2*me._hsz - 2, fmt.info())
     print '%s %8s %6s %-12s %-20s %20s %s' % (
@@ -586,33 +587,39 @@ for short, long, props in [
                       'help': 'read files to report in the given FORMAT' }),
   ('-u', '--udiff', { 'action': 'store_true', 'dest': 'udiff',
                       'help': 'read diff from stdin, clear cache entries' }),
+  ('-C', '--compat', { 'dest': 'compat', 'metavar': 'VERSION',
+                       'type': 'int', 'default': 2,
+                       'help': 'produce output with given compatibility VERSION' }),
   ('-H', '--hash', { 'dest': 'hash', 'metavar': 'HASH',
                      ##'type': 'choice', 'choices': H.algorithms,
                      'help': 'use HASH as the hash function' })]:
   op.add_option(short, long, **props)
-opts, args = op.parse_args(argv)
-
-if opts.udiff:
-  if opts.cache is None or opts.all or opts.files or len(args) > 2:
+OPTS, args = op.parse_args(argv)
+if not 1 <= OPTS.compat <= 2:
+  die("unknown compatibility version %d" % OPTS.compat)
+if OPTS.udiff:
+  if OPTS.cache is None or OPTS.all or OPTS.files or len(args) > 2:
     die("incompatible options: `-u' requires `-c CACHE', forbids others")
-  db = HashCache(opts.cache, opts.hash)
+  db = HashCache(OPTS.cache, OPTS.hash)
   if len(args) == 2: OS.chdir(args[1])
   good = True
   if not clear_cache(db): good = False
   if good: db.flush()
   else: exit(2)
 else:
-  if not opts.files and len(args) <= 1:
+  if not OPTS.files and len(args) <= 1:
     die("no filename sources: nothing to do")
-  db = HashCache(opts.cache, opts.hash)
-  if opts.all:
+  db = HashCache(OPTS.cache, OPTS.hash)
+  if OPTS.all:
     db.reset()
+  if OPTS.compat >= 2:
+    print "## fshash report format version %d" % OPTS.compat
   rep = Reporter(db)
-  if opts.files:
-    FMTMAP[opts.files](rep.file)
+  if OPTS.files:
+    FMTMAP[OPTS.files](rep.file)
   for dir in args[1:]:
     enum_walk(dir, rep.file)
-  if opts.all:
+  if OPTS.all:
     db.prune()
   db.flush()