Can now run install.sh multiple times, doing it will update the stickerpicker from repo

install.sh

@@ -24,14 +24,24 @@ info() {
 cd ~/html >/dev/null 2>&1 \
     || warn "Could not cd to '~/html', will clone to '$PWD/stickerpicker'"
 
+if [ -d stickerpicker ]; then
+    # Fetch & rebase => update
+    info "The stickerpicker is already installed, update it"
+    LOCATION_OPT='--git-dir=stickerpicker/.git --work-tree=stickerpicker'
+    git $LOCATION_OPT fetch     || die "Failed to fetch from sticker repo"
+    git $LOCATION_OPT rebase    || die "Faield to rebase... what did you do to your master branch?"
+else
+    # Install
+    info "The stickerpicker is not installed, install it to $PWD/stickerpicker"
     git clone https://github.com/maunium/stickerpicker.git stickerpicker \
         || die "Failed to git clone the stickerpicker project." \
                "If you already installed stickerpicker, remove it or use the 'stpkg' command"
+fi
 
 # Initialize the stickerpicker with the pack
 # scalar-privacy_pam.json
 cd stickerpicker        || die "Could not cd to '$PWD/stickerpicker'"
-mv packs/* web/packs    || die "Failed to cp packs to '$PWD/web/packs'"
+cp packs/* web/packs    || die "Failed to cp packs to '$PWD/web/packs'"
 cd web/packs            || die "Failed to cd to '$PWD/web/packs'"
 
 cat > index.json << EOF
@@ -47,5 +57,12 @@ EOF
 
 info "Created index.json in '$PWD'"
 
+STPKG_BASE=$BASE_DIR
+STPKG_INSTALL=`realpath $PWD/../../`
+
+info 'You may add the following lines in your bashrc file:'
+echo "export STPKG_INSTALL='$STPKG_INSTALL'"
+echo "export STPKG_BASE='$STPKG_BASE'"
+
 # Go to initial directory
 cd $BASE_DIR