Add tarsnap completion

src/_tarsnap

@@ -0,0 +1,35 @@
+#compdef tarsnap
+# ------------------------------------------------------------------------------
+# Description
+# -----------
+#
+#  Completion script for the tarsnap command
+#  (http://www.tarsnap.com/man.html).
+# ------------------------------------------------------------------------------
+# Authors
+# -------
+#
+#  * Daniel Teunis <daniel@teunis.cc>
+#
+
+_tarsnap(){
+    local -a commands
+    commands=(
+        '--fsck:Perform some integrity checks on the archives stored'
+        '--fsck-prune:Perform integrity checks and prune broken data'
+        '--list-archives:Print the names of archives stored'
+        '--nuke:Delete all of the archives stored'
+        '--print-stats:Print global statistics concerning the archives stored'
+        '-c:Create an archive containing the specified items and name'
+        '-d:Delete the specified archive'
+        '-r:Read the specified archive, convert it to a tar stream, and write it to stdout'
+        '-t:List archive contents to stdout'
+        '-x:Extract to disk from the archive'
+    )
+    
+    if (( CURRENT == 2 )); then
+        _describe -t commands 'commands' commands
+    fi
+    
+    return 0
+}