From 9ed139b5bae27543dfb42ab5dc70c02874985ca6 Mon Sep 17 00:00:00 2001
From: clsty <celestial.y@outlook.com>
Date: Tue, 23 Jan 2024 12:35:04 +0800
Subject: [PATCH] Add checkdeps.sh

---
 checkdeps.sh | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 checkdeps.sh

diff --git a/checkdeps.sh b/checkdeps.sh
new file mode 100755
index 000000000..21dec885f
--- /dev/null
+++ b/checkdeps.sh
@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+# Check whether deps exists in AUR or repos of Arch.
+# Do NOT abuse this since it consumes extra bandwidth from AUR server.
+
+cd "$(dirname "$0")"
+export base="$(pwd)"
+source ./scriptdata/functions
+source ./scriptdata/installers
+
+pkglistfile=$(mktemp)
+pkglistfile_orig=./scriptdata/dependencies.txt
+cat $pkglistfile_orig | sed "s_\ _\n_g" > $pkglistfile
+
+echo "The non-existent pkgs in $pkglistfile_orig are listed as follows."
+# Borrowed from https://bbs.archlinux.org/viewtopic.php?pid=1490795#p1490795
+comm -23 <(sort -u $pkglistfile) <(sort -u <(wget -q -O - https://aur.archlinux.org/packages.gz | gunzip) <(pacman -Ssq))
+echo "End. If nothing appears, then all pkgs exist."