fix(archsetup): code cleanup and style fixes

- Remove commented-out reflector code (timer handles updates)
- Fix arithmetic expressions (remove unnecessary inner $)
- Simplify file truncation (: > instead of cat /dev/null >)
- Fix Xorg heredoc indentation
- Add shellcheck bulk cleanup as priority D task

1 files changed, 8 insertions, 21 deletions

diff --git a/archsetup b/archsetup
index edd379f..7547629 100755
--- a/archsetup
+++ b/archsetup
@@ -697,19 +697,6 @@ prerequisites() {
 --save /etc/pacman.d/mirrorlist
 EOF
 
-    # Skip running reflector during installation - it can cause SSH disconnections during testing
-    # The reflector.timer will update mirrors automatically later
-    # action="updating repository mirrors" && display "task" "$action"
-    # (reflector --connection-timeout 3 \
-    #            --download-timeout 3 \
-    #            --protocol https \
-    #            --age 12 \
-    #            --latest 20 \
-    #            --score 10 \
-    #            --fastest 5 \
-    #            --sort score \
-    #            --save /etc/pacman.d/mirrorlist > /dev/null 2>&1)
-
     action="enabling the reflector timer" && display "task" "$action"
     (systemctl enable reflector.timer >> "$logfile" 2>&1) || \
         error_warn "$action" "$?"
@@ -1219,10 +1206,10 @@ xorg() {
     done
 
     # disallow vt switching or zapping the xorg server to bypass screen lock
-    cat << EOF > /etc/X11/xorg.conf.d/00-no-vt-or-zap.conf
-    Section "ServerFlags"
-        Option "DontVTSwitch" "True"
-        Option "DontZap"      "True"
+    cat << 'EOF' > /etc/X11/xorg.conf.d/00-no-vt-or-zap.conf
+Section "ServerFlags"
+    Option "DontVTSwitch" "True"
+    Option "DontZap"      "True"
 EndSection
 EOF
     action="configuring xorg server" && display "task" "$action"
@@ -1712,7 +1699,7 @@ boot_ux() {
     fi
 
     action="removing distro and date/time from initial screen" && display "task" "$action"
-    (cat /dev/null >/etc/issue)  || error_warn "$action" "$?"
+    (: >/etc/issue) || error_warn "$action" "$?"
 
     action="preventing kernel messages on the console" && display "task" "$action"
     (echo "kernel.printk = 3 3 3 3" >/etc/sysctl.d/20-quiet-printk.conf)  || \
@@ -1795,9 +1782,9 @@ outro() {
 
     action="comparing timestamps" && display "task" "$action"
     ENDTIME=$(date +%s)
-    totalsecs=$(($ENDTIME - $STARTTIME))
-    mins=$(($totalsecs / 60))
-    secs=$(($totalsecs % 60))
+    totalsecs=$((ENDTIME - STARTTIME))
+    mins=$((totalsecs / 60))
+    secs=$((totalsecs % 60))
 
     new_packages=$(wc -l < "$archsetup_packages")