add helper script to

shellscripts/goto_build_dir.sh

+#!/bin/bash
+# ======================================================================
+#
+# HELPER :: GO TO A BUILD DIRECTORY
+#
+# Jump to a build directory to debug build errors.
+#
+# ----------------------------------------------------------------------
+# 2024-01-19  v1.0  <axel.hahn@iml.unibe.ch>  first lines
+# ======================================================================
+
+cd $( dirname $0 )/..
+CI_APPROOT=$( pwd )
+
+# ----------------------------------------------------------------------
+# header
+# ----------------------------------------------------------------------
+
+cat <<HEADEREND
++----------------------------------------------------------------------
+| CI SERVER * helper script
+| Jump to a build directory to debug build errors
+:
+
+HEADEREND
+
+# ----------------------------------------------------------------------
+# detect workdir
+# ----------------------------------------------------------------------
+
+datadefault=$( grep "'workDir'.*=>" config/config_defaults.php | cut -f 2 -d '>' | cut -f 2 -d "'" )
+datacustom=$(  grep "'workDir'.*=>" config/config_custom.php   | cut -f 2 -d '>' | cut -f 2 -d "'" )
+CI_WORKDIR=${datacustom:-$datadefault}
+if [ -z "$CI_WORKDIR" ]; then
+    echo "ERROR: Unable to parse working dir from config/config_*.php."
+    echo "       Sorry ... it is Bash here :-/"
+    exit 1
+fi
+builddir="$CI_WORKDIR/build/"
+
+# ----------------------------------------------------------------------
+# detect builds on error
+# ----------------------------------------------------------------------
+
+ls  $builddir >/dev/null || exit 1
+echo "Searching for builds im $builddir..."
+founddirs=$( find $builddir -maxdepth 2 -type d | grep '2[0-1][0-9][0-9][0-1][0-9][0-3][0-9]' | sort )
+
+if [ -z "$founddirs" ]; then
+    echo "Good news: No build dirs (builds on error) were found. Aborting."
+    echo
+    exit 0
+fi
+
+# ----------------------------------------------------------------------
+# enter my directory
+# ----------------------------------------------------------------------
+
+cat <<ENDINFO
+Found error builds: $( echo "$founddirs" | wc -l )
+
+The latest error is the last entry per project.
+Select a directory to jump in or press just RETURN to abort:
+$( echo "$founddirs" | sed 's,^,    ,g')
+
+ENDINFO
+
+echo -n "I want to jump to > "
+read -r DIR_APPROOT
+
+test -z "$DIR_APPROOT" && exit 1
+# DIR_APPROOT="/var/imldeployment/build/$DIR_APPROOT"
+ls "$DIR_APPROOT" >/dev/null || exit 2
+
+# ----------------------------------------------------------------------
+# prepare environment an GO!
+# ----------------------------------------------------------------------
+
+export DIR_APPROOT
+export GIT_SSH="$CI_APPROOT/shellscripts/gitsshwrapper.sh"
+export DIR_SSH_KEYS="$CI_WORKDIR/data/sshkeys"
+export NVMINIT="$CI_APPROOT/shellscripts/nvm_init.sh";
+export RVMSCRIPT="/usr/local/rvm/scripts/rvm";
+
+cd "$DIR_APPROOT"
+cat <<EOF
+
+* Switching now into build dir
+  $( pwd )
+* The environment for the CI server is set
+  You can go to the ./hooks/ directory to execute the command of your onbuild actions.
+
+EOF
+echo
+bash --rcfile <(cat ~/.bashrc 2>/dev/null; echo 'PS1="CI|$PS1"')
+
+# ----------------------------------------------------------------------