update yubico-piv-tool

Signed-off-by: Jessica Frazelle <acidburn@docker.com>

yubico-piv-tool/Dockerfile

@@ -10,10 +10,14 @@ FROM debian:sid
 MAINTAINER Jessica Frazelle <jess@docker.com>
 
 RUN apt-get update && apt-get install -y \
+	pcscd \
 	usbutils \
 	yubico-piv-tool \
 	&& rm -rf /var/lib/apt/lists/*
 
 WORKDIR /root/
 
+COPY entrypoint.sh /usr/local/bin/
+
+ENTRYPOINT [ "/usr/local/bin/entrypoint.sh" ]
 CMD [ "yubico-piv-tool", "--help" ]

yubico-piv-tool/entrypoint.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+init(){
+	local pcscd_running=$(ps -aux | grep [p]cscd)
+	if [ -z "$pcscd_running" ]; then
+		echo "starting pcscd in backgroud"
+		pcscd --debug --apdu
+		pcscd --hotplug
+	else
+		echo "pcscd is running in already: ${pcscd_running}"
+	fi
+}
+
+init
+
+"$@"