From 96a5d8db877b5b501c0d2e9f3dc5ee5c63fbd001 Mon Sep 17 00:00:00 2001
From: Suleyman Farajli <suleyman@farajli.net>
Date: Mon, 9 Sep 2024 20:18:52 +0400
Subject: simple dependency checker added

---
 Makefile |  6 +++++-
 dep.sh   | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100755 dep.sh

diff --git a/Makefile b/Makefile
index c9db4cd..4eb84a8 100644
--- a/Makefile
+++ b/Makefile
@@ -86,7 +86,11 @@ directory:
 			$(BOOKDIR) \
 			$(TESTPROJDIR) \
 			$(BINDIR)
+
+depcheck: 
+	@./dep.sh
+
 clean:
 	rm -rf dwm st dmenu dwm.tar.gz st.tar.gz dmenu.tar.gz slstatus slstatus.tar.gz
 
-.PHONY: all config scripts server desktop arch-linux directory dwm st dmenu slstatus clean full
+.PHONY: all config scripts server desktop arch-linux directory dwm st dmenu slstatus clean full depcheck
diff --git a/dep.sh b/dep.sh
new file mode 100755
index 0000000..2ecd2a7
--- /dev/null
+++ b/dep.sh
@@ -0,0 +1,58 @@
+#!/bin/sh
+
+check()
+{
+	for program in "${@}"; do
+		if ! command -v "${program}" > /dev/null 2>&1; then
+			echo "'${program}' is missing." >&2 
+			retval=1;
+		fi
+	done;
+}
+check_double()
+{
+	if ! command -v "${1}" > /dev/null 2>&1 && ! command -v "${2}" > /dev/null 2>&1; then
+			echo "'${1}' is missing." >&2 
+	fi
+}
+check_with_msg()
+{
+	if ! command -v "${1}" > /dev/null 2>&1; then
+			echo "${2}" >&2 
+			retval=1;
+	fi
+}
+
+
+retval=0
+
+# Configurated programs
+check \
+	git     	\
+	lf      	\
+	mpv     	\
+	picom   	\
+	qutebrowser 	\
+	zathura
+
+check_double vim nvim # If at least one exists don't print error
+check_double sxiv nsxiv
+check_double zsh bash
+
+# Programs required by the scripts 
+check \
+	dunst		\
+	scrot		\
+	brightnessctl
+
+check_with_msg pactl "pulseaudio is missing."
+
+# X11 dependencies
+check \
+	xinput      	\
+	xset		\
+	xgamma
+
+check_with_msg startx "xorg-xinit is missing."
+
+return "${retval}"
-- 
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