diff --git a/build-archiso.sh b/build-archiso.sh
index b2427dd..e725414 100755
--- a/build-archiso.sh
+++ b/build-archiso.sh
@@ -19,27 +19,27 @@ PACMAN_CFG_ADDITION='pkg/de-p1st-pacman/pacman.d/de-p1st' # will be used to exte
 ################################
 
 if [ "$1" = "clean" ] ; then
-  sudo rm -r "${BUILD_DIR}" || exit
+  sudo rm -r "${BUILD_DIR}" || exit $?
 elif [ -d "${BUILD_DIR}" ] ; then
   echo "Build dir does already exist and may not be empty!"
   echo "Run '$0 clean' to start a clean ISO build."
   exit 1
 fi
 
-mkdir "$BUILD_DIR" || exit
+mkdir "$BUILD_DIR" || exit $?
 
 # The releng profile is used to create the official monthly installation ISO
 PROFILE=/usr/share/archiso/configs/releng/
 if [ ! -d "${PROFILE}" ] ; then
   echo "Installing dependency 'archiso' with sudo ..."
-  sudo pacman -S --needed archiso || exit
+  sudo pacman -S --needed archiso || exit $?
 fi
 
-cp -r "$PROFILE" "$BUILD_DIR"/profile || exit
+cp -r "$PROFILE" "$BUILD_DIR"/profile || exit $?
 
 # extend the builder's pacman.conf (add de-p1st mirrors)
 # https://wiki.archlinux.org/index.php/Archiso#Custom_local_repository
-cat "${PACMAN_CFG_ADDITION}" >> "$BUILD_DIR"/profile/pacman.conf || exit
+cat "${PACMAN_CFG_ADDITION}" >> "$BUILD_DIR"/profile/pacman.conf || exit $?
 
 for PKG in "${PKGS[@]}"; do
   echo "${PKG}" >> "${BUILD_DIR}"/profile/packages.x86_64
@@ -47,7 +47,7 @@ done
 
 ###
 
-mkdir "${BUILD_DIR}/work_dir" && mkdir "${BUILD_DIR}/out_dir" || exit
+mkdir "${BUILD_DIR}/work_dir" && mkdir "${BUILD_DIR}/out_dir" || exit $?
 
 echo "running 'sudo mkarchiso' ..."
-sudo mkarchiso -v -w "${BUILD_DIR}/work_dir" -o "${BUILD_DIR}/out_dir" "${BUILD_DIR}/profile" || exit
+sudo mkarchiso -v -w "${BUILD_DIR}/work_dir" -o "${BUILD_DIR}/out_dir" "${BUILD_DIR}/profile" || exit $?
diff --git a/pkg/de-p1st-repo/PKGBUILD b/pkg/de-p1st-repo/PKGBUILD
index 3c68c10..cd60625 100644
--- a/pkg/de-p1st-repo/PKGBUILD
+++ b/pkg/de-p1st-repo/PKGBUILD
@@ -2,7 +2,7 @@
 _pkgname=repo
 _reponame=arch
 pkgname="de-p1st-$_pkgname"
-pkgver=0.2.3
+pkgver=0.2.4
 pkgrel=1
 pkgdesc="Bash script to manage remote Arch Linux repository"
 arch=('any')
@@ -20,5 +20,9 @@ package() {
   install -Dm0555 arch-repo-receive-new.sh "$pkgdir"/usr/bin/arch-repo-receive-new
   install -Dm0555 arch-repo-vercmp.sh      "$pkgdir"/usr/bin/arch-repo-vercmp
 
+  install -Dm0644 lib/util.sh              "$pkgdir"/usr/lib/"${pkgname}"/util.sh
+  install -Dm0644 lib/pkginfo.sh           "$pkgdir"/usr/lib/"${pkgname}"/pkginfo.sh
+  install -Dm0644 lib/pkgver.sh            "$pkgdir"/usr/lib/"${pkgname}"/pkgver.sh
+
   install -Dm0644 -o0 arch-repo.cfg        "$pkgdir"/etc/de-p1st-repo/arch-repo.cfg
 }
diff --git a/pkg/de-p1st-repo/arch-repo-push-new.sh b/pkg/de-p1st-repo/arch-repo-push-new.sh
index 340cbf0..84ed280 100644
--- a/pkg/de-p1st-repo/arch-repo-push-new.sh
+++ b/pkg/de-p1st-repo/arch-repo-push-new.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-source /etc/de-p1st-repo/arch-repo.cfg || exit
+source /etc/de-p1st-repo/arch-repo.cfg || exit $?
 # Enable nullglob for the case that not all patterns match, e.g. just *.zst but not *.xz packages exist.
 shopt -s nullglob
 
diff --git a/pkg/de-p1st-repo/arch-repo-receive-new.sh b/pkg/de-p1st-repo/arch-repo-receive-new.sh
index aa9a402..1ddd3c5 100644
--- a/pkg/de-p1st-repo/arch-repo-receive-new.sh
+++ b/pkg/de-p1st-repo/arch-repo-receive-new.sh
@@ -1,6 +1,9 @@
 #!/bin/bash
 
-source /etc/de-p1st-repo/arch-repo.cfg || exit
+source /usr/lib/de-p1st-repo/util.sh    || exit $?
+source /usr/lib/de-p1st-repo/pkgver.sh  || exit $?
+source /usr/lib/de-p1st-repo/pkginfo.sh || exit $?
+source /etc/de-p1st-repo/arch-repo.cfg  || exit $?
 
 
 
@@ -44,36 +47,10 @@ function add_to_db(){
   local PKGNAME
   PKGNAME="$1"
 
-  #
-  # get latest version for $PKGNAME
-  #
+  # get path to latest version of $PKGNAME
+  PKG=$(latest_pkgver_path "${PKGNAME}") || return $?
 
-  # pick one random version as starting point for the latest version
-  local LATEST
-  for PKGVER in db/"${PKGNAME}"/*; do
-    PKGVER=$(basename "${PKGVER}")  # strip directory and suffix from filename
-    LATEST="$PKGVER"
-    break
-  done
-
-  local cmp
-  for PKGVER in db/"$PKGNAME"/*; do
-    PKGVER=$(basename "${PKGVER}")  # strip directory and suffix from filename
-
-    # compare the currently known latest version
-    # with the next version
-    cmp=$(vercmp "$LATEST" "$PKGVER") || return $?
-    # if the new version is larger, save it as LATEST
-    if [ "$cmp" -lt "0" ]; then
-      LATEST="$PKGVER"
-    fi
-  done
-
-  #
-  # add latest version of PKGNAME to database
-  #
-
-  PKG=$(cat "db/${PKGNAME}/${LATEST}") || return $?
+  # add to database
   repo-add --new "${REMOTE_DB_NAME}.db.tar.gz" "${PKG}" || return $?
 }
 
@@ -95,7 +72,7 @@ function sort_all_pkgname_pkgver(){
 # create files "db/$pkgname/$pkgver" with content "$PKG" (path to package file)
 #
 function sort_new_pkgname_pkgver(){
-  # return: 0 on success; array $NEW_PKGNAMES
+  # return: array $NEW_PKGNAMES
 
   echo "Sorting new packages by package name and package version ..."
 
@@ -132,13 +109,13 @@ function sort_new_pkgname_pkgver(){
 #
 function sort_pkgname_pkgver(){
   # $1: PKG (path to package file)
-  # return: 0 on success; variables $PKGINFO, $PKGNAME, $PKGVER
+  # return: variables $PKGINFO, $PKGNAME, $PKGVER
   local PKG
   PKG="$1"
 
-  get_pkginfo "$PKG"        || { echo "get_pkginfo failed"; return 1; }
-  get_pkgname "$PKGINFO"    || { echo "get_pkgname failed"; echo "Content of PKGINFO: ${PKGINFO}"; return 1; }
-  get_pkgver  "$PKGINFO"    || { echo "get_pkgver  failed"; echo "Content of PKGINFO: ${PKGINFO}"; return 1; }
+  get_pkginfo "$PKG"                || { echo "get_pkginfo failed"; return 1; }
+  PKGNAME=$(get_pkgname "$PKGINFO") || { echo "get_pkgname failed"; echo "Content of PKGINFO: ${PKGINFO}"; return 1; }
+  PKGVER=$(get_pkgver  "$PKGINFO")  || { echo "get_pkgver  failed"; echo "Content of PKGINFO: ${PKGINFO}"; return 1; }
 
   echo "Creating file ./db/${PKGNAME}/${PKGVER} with content ${PKG} ..."
   mkdir -p "db/${PKGNAME}" || return $?
@@ -146,58 +123,6 @@ function sort_pkgname_pkgver(){
 }
 
 
-#
-# get content of .PKGINFO from package-file
-#
-function get_pkginfo(){
-  # $1: path to package file
-  # return: 0 on success; variable $PKGINFO
-
-  if endswith "$1" ".pkg.tar.xz"; then
-    PKGINFO=$(tar -xf "$1" -O .PKGINFO --force-local)         || { echo "tar failed"; return 1; }
-  elif endswith "$1" ".pkg.tar.zst"; then
-    PKGINFO=$(tar -I zstd -xf "$1" -O .PKGINFO --force-local) || { echo "tar failed"; return 1; }
-  else
-    echo "$1 does not seem to be a package!"
-    return 1
-  fi
-}
-
-
-#
-# get pkgname from $PKGINFO
-#
-function get_pkgname(){
-  # return: 0 on success; variable $PKGNAME
-
-  # remove "pkgname = " as well as tailing whitespace characters
-  local tmp
-  tmp=$(echo "${PKGINFO}" | grep '^pkgname')                     || { echo "grep failed"; return 1; }
-  PKGNAME=$(echo "${tmp}" | sed 's|^pkgname\s*=\s*||; s|\s*$||') || { echo "sed failed"; return 1; }
-}
-#
-# get pkgver from $PKGINFO
-#
-function get_pkgver(){
-  # return: 0 on success; variable $PKGVER
-
-  # remove "pkgver = " as well as tailing whitespace characters
-  local tmp
-  tmp=$(echo "${PKGINFO}" | grep '^pkgver')                    || { echo "grep failed"; return 1; }
-  PKGVER=$(echo "${tmp}" | sed 's|^pkgver\s*=\s*||; s|\s*$||') || { echo "sed failed"; return 1; }
-}
-
-
-# Inspired by: https://stackoverflow.com/questions/2172352/in-bash-how-can-i-check-if-a-string-begins-with-some-value/18558871#18558871
-#
-# $1 begins with $2
-#
-beginswith() { case $1 in "$2"*) true;; *) false;; esac; }
-#
-# $1 ends with $2
-#
-endswith() { case $1 in *"$2") true;; *) false;; esac; }
-
 
 #
 # generate index.html
diff --git a/pkg/de-p1st-repo/arch-repo-vercmp.sh b/pkg/de-p1st-repo/arch-repo-vercmp.sh
index b6adbc0..9ba470f 100644
--- a/pkg/de-p1st-repo/arch-repo-vercmp.sh
+++ b/pkg/de-p1st-repo/arch-repo-vercmp.sh
@@ -5,11 +5,15 @@
 # print all outdated packages
 #
 
-source /etc/de-p1st-repo/arch-repo.cfg || exit
+source /usr/lib/de-p1st-repo/util.sh    || exit $?
+source /usr/lib/de-p1st-repo/pkgver.sh  || exit $?
+source /usr/lib/de-p1st-repo/pkginfo.sh || exit $?
+source /etc/de-p1st-repo/arch-repo.cfg  || exit $?
 
 
 
 function main(){
+  cd "${REMOTE_PKG_DIR}" || return $?
   echo "Note: You may run 'arch-repo-push-new' and 'pacman -Sy' first ..."
 
   all_pkg_vers      || return $?
@@ -23,6 +27,31 @@ function main(){
   else
     echo "There are no pending AUR updates in repository ${REMOTE_DB_NAME}."
   fi
+
+  get_vcs_packages || return $?
+  if [ "${#VCS_PKGS[@]}" -gt "0" ]; then
+    echo ""
+    echo "Note: Some VCS packages were found which are possibly outdated:"
+    for VCS_PKG in "${VCS_PKGS[@]}"; do
+      echo "  ${VCS_PKG}"
+    done
+  fi
+}
+
+function get_vcs_packages(){
+  # return: array GIT_PKGS with all VCS packages
+  VCS_PKGS=()
+
+  # https://wiki.archlinux.org/title/VCS_package_guidelines#VCS_sources
+  # https://github.com/AladW/aurutils/pull/283/files
+  readonly AURVCS='.*-(bzr|git|hg|svn)$'
+
+  for PKG_VER in "${PKG_VERS[@]}"; do
+    PKGNAME=$(first_word "${PKG_VER}") || return $?
+    if echo "${PKGNAME}" | grep -E "$AURVCS"; then
+      VCS_PKGS+=("${PKGNAME}")
+    fi
+  done
 }
 
 #
diff --git a/pkg/de-p1st-repo/iterate-files-test.sh b/pkg/de-p1st-repo/iterate-files-test.sh
index bd15ead..9ae7fab 100644
--- a/pkg/de-p1st-repo/iterate-files-test.sh
+++ b/pkg/de-p1st-repo/iterate-files-test.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 
-source /etc/de-p1st-repo/arch-repo.cfg || exit
+source /etc/de-p1st-repo/arch-repo.cfg || exit $?
 
 
-cd "${LOCAL_PKG_DIR}" || exit
+cd "${LOCAL_PKG_DIR}" || exit $?
 
 match="0"
 for PKG in ./*.pkg.tar.{xz,zst}; do
diff --git a/pkg/de-p1st-repo/lib/pkginfo.sh b/pkg/de-p1st-repo/lib/pkginfo.sh
new file mode 100644
index 0000000..9b05472
--- /dev/null
+++ b/pkg/de-p1st-repo/lib/pkginfo.sh
@@ -0,0 +1,60 @@
+#
+# get content of .PKGINFO from package-file
+#
+function get_pkginfo(){
+  # $1: path to package file
+  # return: variable $PKGINFO
+
+  if endswith "$1" ".pkg.tar.xz"; then
+    PKGINFO=$(tar -xf "$1" -O .PKGINFO --force-local)         || { echo "tar failed"; return 1; }
+  elif endswith "$1" ".pkg.tar.zst"; then
+    PKGINFO=$(tar -I zstd -xf "$1" -O .PKGINFO --force-local) || { echo "tar failed"; return 1; }
+  else
+    echo "$1 does not seem to be a package!"
+    return 1
+  fi
+}
+
+
+#
+# get pkgname from $PKGINFO
+#
+function get_pkgname(){
+  # return: stdout: package name
+
+  # remove "pkgname = " as well as tailing whitespace characters
+  local tmp
+  tmp=$(echo "${PKGINFO}" | grep '^pkgname =')                   || { echo "grep failed"; return 1; }
+  local PKGNAME
+  PKGNAME=$(echo "${tmp}" | sed 's|^pkgname\s*=\s*||; s|\s*$||') || { echo "sed failed"; return 1; }
+
+  echo "${PKGNAME}"
+}
+#
+# get pkgver from $PKGINFO
+#
+function get_pkgver(){
+  # return: stdout: package version
+
+  # remove "pkgver = " as well as tailing whitespace characters
+  local tmp
+  tmp=$(echo "${PKGINFO}" | grep '^pkgver =')                   || { echo "grep failed"; return 1; }
+  local PKGVER
+  PKGVER=$(echo "${tmp}"  | sed 's|^pkgver\s*=\s*||; s|\s*$||') || { echo "sed failed"; return 1; }
+
+  echo "${PKGVER}"
+}
+#
+# get url from $PKGINFO
+#
+function get_pkgurl(){
+  # return: stdout: url
+
+  # remove "url = " as well as tailing whitespace characters
+  local tmp
+  tmp=$(echo "${PKGINFO}" | grep '^url =')                   || { echo "grep failed"; return 1; }
+  local PKGURL
+  PKGURL=$(echo "${tmp}"  | sed 's|^url\s*=\s*||; s|\s*$||') || { echo "sed failed"; return 1; }
+
+  echo "${PKGURL}"
+}
diff --git a/pkg/de-p1st-repo/lib/pkgver.sh b/pkg/de-p1st-repo/lib/pkgver.sh
new file mode 100644
index 0000000..63c6fe5
--- /dev/null
+++ b/pkg/de-p1st-repo/lib/pkgver.sh
@@ -0,0 +1,53 @@
+#
+# get package-file with latest version for given package name
+#
+function latest_pkgver_path(){
+  # precond: In current working directory there is a subdir "db"
+  # $1: package name
+  # return: stdout: path to package file
+  local PKGNAME
+  PKGNAME="$1"
+
+  # get latest version for $PKGNAME
+  local LATEST_PKGVER
+  LATEST_PKGVER=$(latest_pkgver "${PKGNAME}") || return $?
+  # get the path to package file
+  local PKG
+  PKG=$(cat "db/${PKGNAME}/${LATEST_PKGVER}") || return $?
+
+  echo "${PKG}"
+}
+
+#
+# get latest version of package
+#
+function latest_pkgver(){
+  # precond: In current working directory there is a subdir "db"
+  # $1: package name
+  # return: stdout: latest pkgver
+  local PKGNAME
+  PKGNAME="$1"
+
+  # pick one random version as starting point for the latest version
+  local LATEST_PKGVER
+  for PKGVER in db/"${PKGNAME}"/*; do
+    PKGVER=$(basename "${PKGVER}") || return $?  # strip directory and suffix from filename
+    LATEST_PKGVER="${PKGVER}"
+    break
+  done
+
+  local cmp
+  for PKGVER in db/"${PKGNAME}"/*; do
+    PKGVER=$(basename "${PKGVER}") || return $?  # strip directory and suffix from filename
+
+    # compare the currently known latest version
+    # with the next version
+    cmp=$(vercmp "${LATEST_PKGVER}" "${PKGVER}") || return $?
+    # if the new version is larger, save it as LATEST_PKGVER
+    if [ "${cmp}" -lt "0" ]; then
+      LATEST_PKGVER="${PKGVER}"
+    fi
+  done
+
+  echo "${LATEST_PKGVER}"
+}
diff --git a/pkg/de-p1st-repo/lib/util.sh b/pkg/de-p1st-repo/lib/util.sh
new file mode 100644
index 0000000..fd0a547
--- /dev/null
+++ b/pkg/de-p1st-repo/lib/util.sh
@@ -0,0 +1,19 @@
+function first_word() {
+  # return: The first word of $1.
+  #   In detail: "" if $1 starts with a space. Otherwise: All characters until the first space of $1.
+  #
+  # source: https://unix.stackexchange.com/a/201744/315162
+
+  echo "${1%% *}"
+}
+
+
+# Inspired by: https://stackoverflow.com/questions/2172352/in-bash-how-can-i-check-if-a-string-begins-with-some-value/18558871#18558871
+#
+# $1 begins with $2
+#
+beginswith() { case $1 in "$2"*) true;; *) false;; esac; }
+#
+# $1 ends with $2
+#
+endswith() { case $1 in *"$2") true;; *) false;; esac; }