From 700e3cf27dcddac84632bcfed3d27ef36cb43df5 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@sbcglobal.net>
Date: Fri, 16 Dec 2016 16:28:46 -0500
Subject: packages.sh b64

---
 packages.sh | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/packages.sh b/packages.sh
index 8296644..c79d58c 100755
--- a/packages.sh
+++ b/packages.sh
@@ -2,18 +2,31 @@
 all=($(< packages.txt sed 's/#.*//' | xargs printf -- '%s\n' | sort -u))
 grps=($(printf -- '%s\n' "${all[@]}" | sed -n 's/^g://p'))
 pkgs=($(printf -- '%s\n' "${all[@]}" | sed -n 's/^p://p'))
-igns=($(printf -- '%s\n' "${all[@]}" | sed -n 's/^i://p'))
+excl=($(printf -- '%s\n' "${all[@]}" | sed -n 's/^x://p'))
+bads=($(printf -- '%s\n' "${all[@]}" | grep -v '^[gpx]:'))
+if [[ ${#bads[@]} -gt 0 ]]; then
+	echo ' => Invalid entries in packages.txt'
+	printf '  -> %s\n' "${bads[@]}"
+	exit 1
+fi
+
+packages_txt() {
+	{
+		pacman -Sgq -- "${grps[@]}"|grep -vFx -f <(printf '%s\n' "${excl[@]}")
+		printf '%s\n' "${pkgs[@]}"
+	} | sort -u
+}
 
 echo ' => In packages.txt, but not installed'
 comm -13 \
     <(pacman -Qq|sort -u) \
-    <({ pacman -Sgq -- "${grps[@]}"; printf '%s\n' "${pkgs[@]}"; }|sort -u) |
+    <(packages_txt) |
 sed 's|^|  -> |'
 
 echo ' => Installed explicitly and not depended on, but not in packages.txt'
 comm -23 \
     <(pacman -Qetq |sort -u) \
-    <({ pacman -Sgq -- "${grps[@]}"; printf '%s\n' "${pkgs[@]}"; }|sort -u) |
+    <(packages_txt) |
 sed 's|^|  -> |'
 
 echo ' => Installed explicitly and only optionally depended on, but not in packages.txt'
@@ -21,7 +34,7 @@ comm -23 \
     <(comm -23 \
            <(pacman -Qettq|sort -u) \
 	   <(pacman -Qetq |sort -u)) \
-    <({ pacman -Sgq -- "${grps[@]}"; printf '%s\n' "${pkgs[@]}"; }|sort -u) |
+    <(packages_txt) |
 sed 's|^|  -> |'
 
 echo ' => Installed as dependencies, but only optionally depended on'
-- 
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