add update_versions.sh

tests/update_versions.sh

+#!/bin/bash
+
+# TODO: use epm from the sources
+
+fatal()
+{
+    exit 1
+}
+
+TDIR=~/epm-play-versions
+EDIR=~/epm-errors
+LDIR=~/epm-logs
+mkdir -p $TDIR/ $EDIR/ $LDIR/
+
+rm -f $EDIR/errors.txt
+
+EPM=$(realpath $(dirname $0)/../bin/epm)
+
+# install/update all
+$EPM play --list-all --short | while read app ; do
+    pkgname="$($EPM play --package-name $app </dev/null)"
+    if $EPM play --verbose --auto $app </dev/null >$EDIR/$app 2>&1 ; then
+        # if OK, move output
+        mv -f $EDIR/$app $LDIR/$app
+        $EPM play installed-version $app > $TDIR/$app 2>$EDIR/$pkgname </dev/null && rm -f $EDIR/$pkgname
+        [ -s $TDIR/$app ] || echo "empty file $TDIR/$app" >>$EDIR/errors.txt
+    #else
+        # if not OK, keep old version file (try to avoid updating)
+        # rm -f $TDIR/$app
+    fi
+done
+
+cd $TDIR
+[ -d .git ] || git init
+git add *
+git commit -m "updated"
+
+cd $EDIR
+[ -d .git ] || git init
+git add *
+git commit -m "updated"
+
+cd $TMP
+rm -rf tmp.* rpm-tmp.*
+
+exit 0