Feat: adds "pass" action

ChangeLog

+2020-11-07 - develop - Silvio Rhatto <rhatto@riseup.net>
+
+	Adds "pass" action behaving like pass(1) for outputing single-line secrets.
+
 2020-01-18 - develop - Silvio Rhatto <rhatto@riseup.net>
 
 	Install zsh completion in the default path

lib/keyringer/actions/pass

+#!/usr/bin/env bash
+#
+# Behave like pass(1), outputing just the first line of a secret.
+#
+
+# Load functions
+LIB="`dirname $0`/../functions"
+source "$LIB" read $* || exit 1
+
+# Get file
+keyringer_get_file "$2"
+
+# Decrypt
+pass="$($GPG --use-agent -d "$KEYDIR/$FILE" 2> /dev/null | head -n 1)"
+
+# Output password
+echo "$pass"
+
+# Exit
+exit "$?"