From 439580c5cfd2cfa83b14d429fe79226ef4a4f40c Mon Sep 17 00:00:00 2001
From: rowan <rowan@kitsu.cafe>
Date: Fri, 7 Mar 2025 12:10:00 -0600
Subject: [PATCH] add new opts for service files

---
 configctl | 83 ++++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 70 insertions(+), 13 deletions(-)

diff --git a/configctl b/configctl
index 7fb5223..fbdc891 100755
--- a/configctl
+++ b/configctl
@@ -10,13 +10,47 @@ MOUNT_POINT="$XDG_CONFIG_HOME"
 
 usage() {
   SCRIPT_NAME=$(basename $0)
-  echo "Usage: $SCRIPT_NAME <changeset_name> [unmount]"
-  exit 1
+  echo "Usage: $SCRIPT_NAME [OPTIONS] <changeset_name> [unmount]"
+  echo
+  echo 'options'
+  echo '  -a, --automount      automatically enable the changeset service file'
+  echo '  -f, --force          ovewrite existing service file'
+  echo '  -s, --service-path   the path to write the service file'
 }
 
-if [ $# -lt 1 ]; then
-  usage
-fi
+subpath() {
+  parent_path="$1"
+  sub_path="$2"
+
+  # Normalize paths (remove trailing slashes, handle relative paths, etc.)
+  parent_path=$(cd "$parent_path" && pwd)
+  sub_path=$(cd "$sub_path" && pwd)
+
+  # Add trailing slash to parent_path if it doesn't have one
+  [[ "$parent_path" != */ ]] && parent_path+="/"
+
+  # Check if sub_path starts with parent_path
+  if [[ "$sub_path" == "$parent_path"* ]]; then
+    return 0 # is a subpath
+  else
+    return 1 # is not a subpath
+  fi
+}
+
+AUTOMOUNT=0
+FORCE=0
+SVC_PATH="$XDG_CONFIG_HOME/systemd/user"
+while true; do
+  case "$1" in
+    -h | --help | -\? ) usage; exit ;;
+    -a | --automount ) AUTOMOUNT=1; shift ;;
+    -f | --force ) FORCE=1; shift ;;
+    -s | --service-path ) SVC_PATH="$2"; shift 2 ;;
+    \? | -\? ) echo "Unknown option: $1"; exit 1 ;;
+    -- ) shift; break ;;
+    * ) break ;;
+  esac
+done
 
 SELECTED="$1"
 CHANGESET="$CHANGESET_DIR/$SELECTED"
@@ -43,31 +77,55 @@ if mountpoint -q "$MOUNT_POINT"; then
   fusermount -u "$MOUNT_POINT"
 fi
 
-SYSD_DIR="$XDG_CONFIG_HOME/systemd/user"
 SVC_NAME="$SELECTED-automount.service"
+SVC_FILE="$SVC_PATH/$SVC_NAME"
 TMP=$(mktemp)
-mkdir -p "$SYSD_DIR"
+mkdir -p "$SVC_PATH"
 cat << EOF > "$TMP"
 [Unit]
-Description=Mount fuse-overlayfs config
+Description=Mount fuse-overlayfs config $SELECTED
 
 [Service]
 Type=oneshot
 RemainAfterExit=yes
 ExecStart=fuse-overlayfs -o lowerdir="$BASE_CONFIG:$CHANGESET",upperdir="$UPPER_DIR",workdir="$WORKDIR" "$MOUNT_POINT"
-ExecStop=/usr/bin/fusermount -u $MOUNT_POINT
+ExecStop=/usr/bin/fusermount -zu $MOUNT_POINT
 
 [Install]
 WantedBy=default.target
 EOF
 
-diff "$TMP" "$SYSD_DIR/$SVC_NAME"  > /dev/null 2>&1
+diff "$TMP" "$SVC_FILE"  > /dev/null 2>&1
 
 HAS_DIFF=$?
 PROMPT=0
+IS_HIDDEN=0
 if [ "$HAS_DIFF" -gt 0 ]; then
-  mv "$TMP" "$SYSD_DIR/$SVC_NAME"
-  PROMPT=1
+  if subpath "$MOUNT_POINT" "$SVC_PATH"; then
+    IS_HIDDEN=1
+    echo "WARN: writing a service file to target mountpoint"
+    echo "'$SVC_PATH' is a subpath of '$MOUNT_POINT'"
+    echo "this won't break anything, but it will be hidden once '$SELECTED' is mounted"
+    echo "this means you won't be able to enable it. you may run this command with -a"
+    echo "to automatically mount it instead"
+    echo
+  fi
+
+  if [ "$HAS_DIFF" -eq 2 ]; then
+    mv "$TMP" "$SVC_FILE"
+  elif [ "$HAS_DIFF" -eq 1 ] && [ "$FORCE" -eq 1 ]; then
+    mv "$TMP" "$SVC_FILE"
+  elif [ "$HAS_DIFF" -eq 1 ] && [ "$FORCE" -eq 0 ]; then
+    echo "INFO: Changes detected in existing service file but refusing to ovewrite."
+    echo "rerun with -f or --force to overwrite"
+    echo
+  fi
+
+  if [ "$AUTOMOUNT" -eq 1 ]; then
+    systemctl --user enable --now "$SVC_FILE"
+  else
+    PROMPT=1
+  fi
 fi
 
 mkdir -p "$WORKDIR"
@@ -80,4 +138,3 @@ if [ "$PROMPT" -eq 1 ]; then
   echo "Run 'systemctl --user enable --now $SVC_NAME' to automount this config"
 fi
 
-