manuals: Add script to update vty/counter documentation from docker

Change-Id: I3f5573f81460b40d4606fbcf0febcfd078a7bdca
Related: OS#1700

doc/manuals/Makefile.am

@@ -1,6 +1,7 @@
 EXTRA_DIST = osmomsc-usermanual.adoc \
     osmomsc-usermanual-docinfo.xml \
     osmomsc-vty-reference.xml \
+    regen_doc.sh \
     chapters \
     images \
     vty

doc/manuals/regen_doc.sh

@@ -0,0 +1,17 @@
+#!/bin/sh -x
+
+if [ -z "$DOCKER_PLAYGROUND" ]; then
+	echo "You need to set DOCKER_PLAYGROUND"
+	exit 1
+fi
+
+SCRIPT=$(realpath "$0")
+MANUAL_DIR=$(dirname "$SCRIPT")
+
+COMMIT=${COMMIT:-$(git log -1 --format=format:%H)}
+
+cd "$DOCKER_PLAYGROUND/scripts" || exit 1
+
+OSMO_MSC_BRANCH=$COMMIT ./regen_doc.sh osmo-msc 4254 \
+	"$MANUAL_DIR/chapters/counters_generated.adoc" \
+	"$MANUAL_DIR/vty/msc_vty_reference.xml"