diff --git a/.github/workflows/debug.yml b/.github/workflows/debug.yml
index 6d898a2..c09995e 100644
--- a/.github/workflows/debug.yml
+++ b/.github/workflows/debug.yml
@@ -20,16 +20,18 @@ jobs:
         # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
         uses: actions/checkout@v2
 
-      # - name: "install TeXLive"
-      #   # Actually pick a version, do not point on master, or the build won't be reproducible
+      - name: "Setup TeX Live"
+      # ##
       #   uses: DanySK/setup-texlive-action@master
-      #   # You can omit the following if the default path is ok with you
       #   with:
       #     requirements-file: .github/texlive/requirements.txt
-      - name: "Setup TeX Live"
-        uses: teatimeguest/setup-texlive-action@v1
-        with:
-          package-file: .github/texlive/requirements.txt
+      # ##
+      #   uses: teatimeguest/setup-texlive-action@v1
+      #   with:
+      #     package-file: .github/texlive/requirements.txt
+      # ##
+        uses: paolobrasolin/setup-texlive-action@v1
+          packages-path: ${{ github.workspace }}/.github/texlive/requirements.txt
 
       - name: "install tikz-trackschematic"
         run: |
diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index c95cca1..6a57bf6 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -24,16 +24,18 @@ jobs:
         # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
         uses: actions/checkout@v2
 
-      # - name: "install TeXLive"
-      #   # Actually pick a version, do not point on master, or the build won't be reproducible
+      - name: "Setup TeX Live"
+      # ##
       #   uses: DanySK/setup-texlive-action@master
-      #   # You can omit the following if the default path is ok with you
       #   with:
       #     requirements-file: .github/texlive/requirements.txt
-      - name: "Setup TeX Live"
-        uses: teatimeguest/setup-texlive-action@v1
-        with:
-          package-file: .github/texlive/requirements.txt
+      # ##
+      #   uses: teatimeguest/setup-texlive-action@v1
+      #   with:
+      #     package-file: .github/texlive/requirements.txt
+      # ##
+        uses: paolobrasolin/setup-texlive-action@v1
+          packages-path: ${{ github.workspace }}/.github/texlive/requirements.txt
 
       - name: "install tikz-trackschematic"
         run: |
diff --git a/dev-install.sh b/dev-install.sh
index f23b9c6..7ea5472 100755
--- a/dev-install.sh
+++ b/dev-install.sh
@@ -26,12 +26,15 @@ while getopts ":qb" opt; do
   esac
 done
 
+## -- variables
+
+# destination folder inside the TeX Live installation
+DEVDIR="tex/latex/local/tikz-trackschematic-dev"
+
 ## -- commands
 
-TEXlsr=`which mktexlsr`
-
+# check for kpsewhich (and mktexlsr)
 check_texlive() {
-  # check for kpsewhich
   status=0
   command -v kpsewhich >/dev/null 2>&1 || status=1
   if [ $status = 0 ]; then
@@ -78,9 +81,6 @@ check_texlive
 check_sudo
 
 TEXMFLOCAL=$(kpsewhich --var-value TEXMFLOCAL)
-
-DEVDIR="tex/latex/tikz-trackschematic-dev"
-
 PROJECTDIR=$(pwd -P)
 
 if [ "$batch_mode" -eq 0 ]; then
@@ -101,12 +101,36 @@ fi
 
 ## -- copying files
 
+# make sure that destination folder exists
 if [ ! -d "$TEXMFLOCAL/$DEVDIR" ]; then
   $rootrun mkdir -p $TEXMFLOCAL/$DEVDIR
 fi
 
+# copy every file in src/ and rename it
 for SRC in src/*; do
-  $rootrun ln -sfn $PROJECTDIR/$SRC $TEXMFLOCAL/$DEVDIR/${SRC##*/}
+  FILE=$(basename "$SRC") # remove path
+  NAME=${FILE%.*} # remove extension
+  PREFIX=${NAME%%.*}
+  POSTFIX=${NAME#*.}
+  EXT=${SRC##*.}
+
+  if [ "$PREFIX" = "$POSTFIX" ]; then
+    DST="$PREFIX-dev.$EXT"
+  else
+    DST="$PREFIX-dev.$POSTFIX.$EXT"
+  fi
+
+  $rootrun ln -sfn $PROJECTDIR/$SRC $TEXMFLOCAL/$DEVDIR/$DST
+
+  if [ "$verbose" -eq 1 ]; then
+    echo "linked '$DST'"
+  fi
 done
 
-$rootrun $TEXlsr --quiet
+# update TeX Live installation
+TEXlsr=`which mktexlsr`
+if [ "$verbose" -eq 1 ]; then
+  $rootrun $TEXlsr
+else
+  $rootrun $TEXlsr --quiet
+fi
diff --git a/test/testing.sh b/test/testing.sh
index 98db364..6b17e7a 100755
--- a/test/testing.sh
+++ b/test/testing.sh
@@ -44,7 +44,7 @@ check_trackschematic() {
   # check for tikz-trackschematic
   status=0
   TEXMFLOCAL=$(kpsewhich --var-value TEXMFLOCAL)
-  DEVDIR="tex/latex/tikz-trackschematic-dev"
+  DEVDIR="tex/latex/local/tikz-trackschematic-dev"
 
   ls $TEXMFLOCAL/$DEVDIR/tikz-trackschematic.sty >> /dev/null 2>&1 || status=1
   if [ $status = 0 ]; then