libk  Artifact [2fb772064d]

Artifact 2fb772064df9f63b611e2354ec61c4dfd622b86b4b1836827c589bf2dca96e74:

• Executable file global/common.sh — part of check-in [fd95e5bc93] at 2019-08-21 00:28:30 on branch trunk — Switch to using command -v to check for commands instead of which (user: glow, size: 617) [annotate] [blame] [check-ins using]

me=$0
say() { echo >&2 "($me) $1";      }
has() { command -v $1 >/dev/null 2>&1; return $?; }
check() {
	var=$1
	test "${!var}" == "" || return 0
	say "we were not able to detect a default value for the configuration variable \$$var. please set this variable to $2 and try again."
	exit 1
}

test "$out" = "" && {
	say "\$out environment variable must be set to your build directory - are you running this script by hand? run ./build.sh in the root directory instead!"
	exit 2
}

reqpack() {
	if ! has "$1"; then
		say "to $2 for libk, install the $1 package and try again"
		exit 3
	fi
}