Merge pull request #15 from matyasselmeci/pr/update-osg-build

Add update-osg-build: a script to update the version of osg-build in the running container

update-osg-build

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+CONTAINER_NAME=osg-build
+
+# only allocate a tty if stdin and stdout are both ttys.
+# Allocating a tty causes piping issues (for example, the output side
+# will contain CRLF line terminators instead of LF)
+t=
+[[ -t 0 && -t 1 ]] && t=-t
+
+docker=docker
+if command -v podman &>/dev/null; then
+    docker=podman
+fi
+
+$docker exec -i $t -u0 $CONTAINER_NAME \
+    sh -c 'cd /usr/local/src/osg-build && git pull --autostash --rebase && make -s install && echo ok'