#!/bin/bash

if [ -z "$1" ]; then
echo "usage: pacsearch [regex pattern]"
echo "usage: pacsearch -h|--help"
exit 0
fi

if [ "$1" = "-h" -o "$1" = "--help" ]; then
echo "usage: pacsearch [regex pattern]"
echo "	Like pacman -Ss [regex pattern] but installed packages are flagged with a *"
echo "usage: pacsearch -h|--help"
echo "	Prints this message. No other options allowed"
exit 0
fi

firstchar=`echo "$1" | cut -c1`
if [ $firstchar = "-" ]; then
echo "Sorry, $1 is not a valid option!"
echo "usage: pacsearch [regex pattern]"
echo "usage: pacsearch -h|--help"
exit 0
fi

instpkg=`pacman -Qs $1 | egrep '^[^ ]' | sed 's|^local/||' | sed 's/ .\+$//'` 
syncdump=`mktemp`
pacman -Ss $1 > $syncdump

for pkg in $instpkg; do
	sed -i "s@^\(.\+/$pkg\) @\*\1 @" $syncdump
done

cat $syncdump