fix: save install dir before cd and use absolute path for setup.py

wo_install() does cd to HOME before checking for setup.py, so
./setup.py was always checking /root/setup.py (doesn't exist) instead
of /root/WPIQ/setup.py. Save pwd at script start and reference it.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

install

@@ -552,9 +552,10 @@ wo_install() {
         fi
     fi
 
-    if [ -f ./setup.py ]; then
-        /opt/wo/bin/pip install --force-reinstall --no-cache-dir --no-deps . 2>/dev/null
-        /opt/wo/bin/pip install . --upgrade-strategy=eager
+    if [ -f "$wo_install_dir/setup.py" ]; then
+        cd "$wo_install_dir" || exit 1
+        /opt/wo/bin/pip install --force-reinstall --no-cache-dir --no-deps .
+        cd || exit 1
     elif [ "$wo_branch" = "master" ]; then
         /opt/wo/bin/pip install -U wordops --upgrade-strategy=eager
     else
@@ -581,10 +582,10 @@ wo_travis_install() {
     wo_distro_codename=$(lsb_release -sc)
     local wo_linux_distro
     wo_linux_distro=$(lsb_release -is)
-    if [ -d ./dist ]; then
-        rm -rf dist
+    if [ -d "$wo_install_dir/dist" ]; then
+        rm -rf "$wo_install_dir/dist"
     fi
-    if [ -f ./setup.py ]; then
+    if [ -f "$wo_install_dir/setup.py" ]; then
         if [ -d /opt/wo/lib/python3."$python_ver"/site-packages/apt ]; then
             source /opt/wo/bin/activate
             /opt/wo/bin/pip uninstall -yq setuptools
@@ -816,8 +817,8 @@ wo_init() {
             bash -c "echo -e \"[user]\n\tname = $USER_OR_WORDOPS\n\temail = root@$HOSTNAME.local\" > $HOME/.gitconfig"
         }
     fi
-    if [ -f ./setup.py ]; then
-        wo_version_new=$(grep "version='" setup.py | awk -F "'" '{print $2}' 2>&1)
+    if [ -f "$wo_install_dir/setup.py" ]; then
+        wo_version_new=$(grep "version='" "$wo_install_dir/setup.py" | awk -F "'" '{print $2}' 2>&1)
     else
         wo_version_new=$(curl -m 5 --retry 3 -sL https://api.github.com/repos/WordOps/WordOps/releases/latest 2>&1 | jq -r '.tag_name')
     fi
@@ -845,6 +846,9 @@ wo_git_secure_path() {
 # 4 - WO MAIN SETUP
 ###
 
+# save the directory from which the install was launched
+readonly wo_install_dir="$(pwd)"
+
 # create required directories
 wo_dir_init
 # install lsb_release, curl, gpg and display header