From 4c0e8ec15d2e7ebd80f005b47da929cd843be6e1 Mon Sep 17 00:00:00 2001
From: paperbenni <paperbenni@gmail.com>
Date: Tue, 4 Aug 2020 18:33:27 +0200
Subject: [PATCH] add instantpackagelist

---
 programs/instantpackagelist | 68 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 programs/instantpackagelist

diff --git a/programs/instantpackagelist b/programs/instantpackagelist
new file mode 100644
index 0000000..08dcd43
--- /dev/null
+++ b/programs/instantpackagelist
@@ -0,0 +1,68 @@
+#!/bin/bash
+
+# generate a list of all available pacman packages
+
+if ! cd /var/lib/pacman/sync
+then
+	if ! command -v pacman
+	then
+		echo "not on an arch system"
+		sleep 3
+		exit 1
+	fi
+	echo "please update your database"
+	sudo pacman -Sy
+fi
+
+
+rm -rf /tmp/pacmanlist
+
+mkdir -p /tmp/pacmanlist
+cp ./*.db /tmp/pacmanlist/
+cd /tmp/pacmanlist || exit 1
+
+for i in ./*.db
+do
+	if ! file "$i" | grep -q 'gzip'
+	then
+		echo "wrong archive type"
+		continue
+	fi
+
+	mv "$i" "${i%.db}".tar.gz
+done
+
+rm *.db
+
+for i in ./*.tar.gz
+do
+	echo "extracting $i"
+	tar xvzf "$i"
+done
+
+rm ./*.tar.gz
+
+for i in ./*
+do
+	if ! [ -d "$i" ]
+	then
+		echo "skipping $i"
+		continue
+	fi
+	if [ -e "$i/desc" ]
+	then
+		echo "processing $i"
+		cat "$i/desc" | grep -A 1 '%NAME%' | tail -1 >> packagelist3
+	fi
+done
+
+cat packagelist3 | sort | sort -u > packagelist2
+pacman -Qq | sort | sort -u > installist
+
+comm -23 packagelist2 installist > packagelist
+sed 's/^/:g/g' installist >> packagelist
+
+mkdir -p ~/.cache/instantos
+sed -i 's/$/ /' packagelist
+cp packagelist ~/.cache/instantos/packagelist
+
-- 
2.11.0