Start the desktop after install by enabling the login screen and services

2026-09-20 06:40:41 -04:00
parent f4dd3b7532
commit 8f124f47c2
17 changed files with 784 additions and 279 deletions
@@ -0,0 +1,105 @@
+source "$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)/as-root.sh"
+
+say() {
+  printf '%s\n' "$1"
+}
+
+note_change() {
+  changes=$((changes + 1))
+}
+
+system_unit_exists() {
+  systemctl cat -- "$1" &>/dev/null
+}
+
+user_manager_available() {
+  systemctl --user show-environment &>/dev/null
+}
+
+system_unit_state() {
+  systemctl is-enabled -- "$1" 2>/dev/null || true
+}
+
+user_unit_state() {
+  systemctl --user is-enabled -- "$1" 2>/dev/null || true
+}
+
+# Copy a file only when the destination is missing or matches what we last
+# wrote. A destination that differs is a local edit, reported and kept unless
+# --force says otherwise.
+install_file() {
+  local source="$1" dest="$2" label="$3"
+
+  if [[ ! -e $source ]]; then
+    say "SKIP  $label (missing in repo)"
+    return 0
+  fi
+
+  if [[ -e $dest ]] && cmp -s "$source" "$dest"; then
+    say "ok    $label"
+    return 0
+  fi
+
+  note_change
+
+  if [[ -e $dest ]] && [[ $force == false ]]; then
+    say "DIFF  $label (local changes kept; --force to overwrite)"
+    return 0
+  fi
+
+  if [[ $check == true ]]; then
+    say "would write $label"
+    return 0
+  fi
+
+  mkdir -p "$(dirname "$dest")"
+  [[ -e $dest ]] && cp "$dest" "$dest.bak"
+  cp "$source" "$dest"
+  say "write $label"
+}
+
+install_tree() {
+  local source="$1" dest="$2" label="$3"
+
+  if [[ ! -d $source ]]; then
+    say "SKIP  $label (missing in repo)"
+    return 0
+  fi
+
+  local relative
+  while IFS= read -r relative; do
+    install_file "$source/$relative" "$dest/$relative" "$label/$relative"
+  done < <(cd "$source" && find . -type f -printf '%P\n' | sort)
+}
+
+# Same reporting as install_file for a destination outside $HOME. The mode is
+# explicit because these land in /etc and /usr/local, and no .bak is kept: the
+# only writer of these paths is the installer.
+install_root_file() {
+  local source="$1" dest="$2" label="$3" mode="${4:-0644}"
+
+  if [[ ! -e $source ]]; then
+    say "SKIP  $label (missing in repo)"
+    return 0
+  fi
+
+  if [[ -e $dest ]] && cmp -s "$source" "$dest"; then
+    say "ok    $label"
+    return 0
+  fi
+
+  note_change
+
+  if [[ -e $dest ]] && [[ $force == false ]]; then
+    say "DIFF  $label (local changes kept; --force to overwrite)"
+    return 0
+  fi
+
+  if [[ $check == true ]]; then
+    say "would write $label (needs sudo)"
+    return 0
+  fi
+
+  as_root install -Dm "$mode" "$source" "$dest"
+  say "write $label"
+}