Generate a Pacman package

PKGBUILD

@@ -0,0 +1,34 @@
+pkgname=dpw
+pkgver=1.1.0
+pkgrel=1
+pkgdesc='Declarative Pacman Wrapper'
+arch=(any)
+optdepends=(
+	'paru: recommended pacman wrapper'
+	'aura: pacman wrapper'
+	'aurman: pacman wrapper'
+	'pacaur: pacman wrapper'
+	'pikaur: pacman wrapper'
+	'yay: pacman wrapper'
+)
+license=(GPL-3.0-or-later)
+source=(dpw dpw.fish)
+sha256sums=(
+	'4ad6164db071db5284677a40b896a50a7c7799ca4c5188366ffe210ed3423024'
+	'c2b828519653d3f2280d4904d7ad8924d2671986c9ad33af17ff60fba83522a1'
+)
+
+package() {
+	mkdir -p "${pkgdir}/usr/bin"
+	cp "${srcdir}/dpw" "${pkgdir}/usr/bin/dpw"
+	chmod +x "${pkgdir}/usr/bin/dpw"
+
+	# Add fish completions if fish shell is installed
+	if [ -x "$(command -v fish)" ]; then
+		if [ -d "/usr/share/fish/vendor_completions.d" ]; then	
+			mkdir -p "/usr/share/fish/vendor_completions.d"
+		fi
+
+		sudo cp "${srcdir}/dpw.fish" "/usr/share/fish/vendor_completions.d/dpw.fish"
+	fi
+}

README.md

@@ -11,10 +11,7 @@ kitty
 nautilus-open-any-terminal # kitty
 ```
 
-Uses `paru` by default, but it can be easily changed by modifying the `PACMAN` variable.
-
-## Installation
-Move the script to a place in your `PATH`.
+Searches for any available `pacman` wrapper by default, but it can be easily changed by modifying the `PACMAN` environment variable.
 
 ## Usage
-There are no arguments. Upon execution it removes non-declared packages, install newly declared packages and does a system upgrade.
+See `dpw help`

dpw

@@ -1,12 +1,30 @@
 #!/bin/bash
 set -e
 
-PACMAN=paru
 PKG_FILE="${HOME}/.config/dpw/packages.ini"
 
-# Edit packages.ini
-if [ "${1}" = "edit" ]; then
-  ${EDITOR} "${PKG_FILE}"
+# Check if PACMAN is not set and find an available helper
+AUR_HELPERS=("pacaur" "pikaur" "yay" "aura" "paru" "aurman")
+if [ -z "${PACMAN}" ]; then
+    for HELPER in "${AUR_HELPERS[@]}"; do
+        if command -v "$HELPER" > /dev/null 2>&1; then
+            PACMAN="$HELPER"
+            break
+        fi
+    done
+
+    if [ -z "${PACMAN}" ]; then
+        printf "\033[1m::\033[0m No available AUR helper found."
+        exit 1
+    fi
+fi
+
+# Show help menu
+if [ "${1}" = "help" ]; then
+  printf "\033[1m:: \033[1;31mdpw\033[0m - Executes the program normally, using the existing packages.ini or creating a new one if it doesn't exist yet.\n"
+  printf "\033[1m:: \033[1;31mdpw edit\033[0m - Opens the packages.ini file in the user's selected editor (defined via the EDITOR variable).\n"
+  printf "\033[1m:: \033[1;31mdpw update\033[0m - Overwrites the current contents of the package.ini file with the currently installed package. Useful after using pacman or paru directly to install new packages.\n"
+  printf "\033[1m:: \033[1;31mdpw help\033[0m - Shows this menu.\n"
   exit
 fi
 
@@ -27,6 +45,28 @@ if [ ! -e "${PKG_FILE}" ]; then
   done
 fi
 
+# Edit packages.ini
+if [ "${1}" = "edit" ]; then
+  ${EDITOR} "${PKG_FILE}"
+  exit
+fi
+
+# Update packages.ini
+if [ "${1}" = "update" ]; then
+  while true; do
+    printf "\033[1m::\033[0m Do you wish to update the currently existing packages.ini [y/N]? "
+    read -r YN
+    case ${YN:-N} in
+      [Yy]*)
+        "${PACMAN}" --query --explicit --quiet > "${PKG_FILE}"
+        break;;
+      [Nn]*)
+        exit;;
+    esac
+  done
+fi
+
+
 # Calculate changes
 function diff { comm -23 <(echo -n "$1") <(echo -n "$2"); }
 

dpw.fish

@@ -0,0 +1,5 @@
+set -l dpw_commands help edit update
+
+complete -f -c dpw -n "not __fish_seen_subcommand_from $dpw_commands" -a help -d "Show the help menu"
+complete -f -c dpw -n "not __fish_seen_subcommand_from $dpw_commands" -a edit -d "Open the packages.ini file in the user's selected editor [defined in the EDITOR variable]."
+complete -f -c dpw -n "not __fish_seen_subcommand_from $dpw_commands" -a update -d "Overwrite the current contents of the package.ini file with the currently installed packages."