Refactor the edit tool

.bin/.e

@@ -13,6 +13,7 @@ declare -A mapper=(
 	["git"]="$HOME/.config/git/config"
 	["git-ignore"]="$HOME/.config/git/ignore"
 	["home-manager"]="$HOME/.config/home-manager/home.nix"
+	["hyprland"]="$HOME/.config/hypr/hyprland.conf"
 	["nvim"]="$HOME/.config/nvim/"
 	["nvim.packer"]="$HOME/.config/nvim/lua/plugins.lua"
 	["polybar"]="$HOME/.config/polybar"

.bin/edit

@@ -2,31 +2,89 @@
 
 set -e
 
-edit_directory="$HOME/.cache/edit/"
+edit_dir_base="$HOME/.cache/edit/"
 
-filehash=$(readlink -fn "$1" | md5sum | awk '{ print $1 }')
-filedirectory="$edit_directory/$filehash/"
+_pre_checks() {
+	if [ -z "$EDITOR" ]; then
+		echo "EDITOR is not set"
+		exit 1
+	fi
+}
 
-mkdir -p "$filedirectory"
+_pre_checks_file() {
+	if [ -z "$1" ]; then
+		echo "No file specified"
+		exit 1
+	fi
+	if sudo test -d "$1"; then
+		echo "Cannot edit directory"
+		exit 1
+	fi
+}
 
-basename=$(basename "$1")
-filepath=$(realpath -s "$filedirectory/$basename")
+_get_edit_directory() {
+	target_dir=$(dirname "$1")
+	edit_dir_sub=$(readlink -fn "$target_dir" | md5sum | awk '{ print $1 }')
+
+	edit_directory="$edit_dir_base/$edit_dir_sub/"
+	echo "$edit_directory"
+}
+
+_get_edit_file() {
+	target=$(readlink -fn "$1")
+	target_name=$(basename "$target")
+	edit_directory=$(_get_edit_directory "$target")
+
+	edit_file=$(realpath -s "$edit_directory/$target_name")
+	echo "$edit_file"
+}
+
+_prepare_for_edit() {
+	target=$(readlink -fn "$1")
+
+	_pre_checks_file "$target"
+
+	edit_directory=$(_get_edit_directory "$target")
+	edit_file=$(_get_edit_file "$target")
+
+	mkdir -p "$edit_directory"
 
 	user=$(id -un)
 	group=$(id -gn)
 
-echo "Editing $1 in $filepath as $user:$group"
+	if sudo test -e "$target"; then
+		sudo cp -i "$target" "$edit_file"
+		sudo chown "$user":"$group" "$edit_file"
+	else
+		touch "$edit_file"
+	fi
 
-sudo test -e "$1" && (
-    sudo cp -i "$1" "$filepath"
-    sudo chown "$user":"$group" "$filepath"
-) || (
-    touch "$filepath"
+	echo "$edit_file"
+}
+
+_pre_checks
+
+# Prepare all files for editing and collect the names of the edit files
+all_edit_files=""
+for arg in "$@"; do
+	edit_file=$(_prepare_for_edit "$arg")
+	all_edit_files="$all_edit_files $edit_file"
+done
+
+# Use a subshell to avoid overwriting $@
+(
+	for file in $all_edit_files; do
+		set -- "$file" "$@"
+	done
+	$EDITOR "$@"
 )
 
-$EDITOR "$filepath"
+# Copy all edit files back
+for arg in "$@"; do
+	edit_file=$(_get_edit_file "$arg")
+	sudo cp "$edit_file" "$arg" && rm "$edit_file"
 
-sudo cp "$filepath" "$1"
-
-rm "$filepath"
-rm -rd "$filedirectory"
+	edit_directory=$(_get_edit_directory "$target")
+	# Try to remove the directory, but don't fail if it's not empty
+	rm -d "$edit_directory" 2>/dev/null || true
+done