2022-02-03

home/dot-local/lib/bash/common.sh

@@ -0,0 +1,31 @@
+# -*- mode: bash -*-
+
+function abort() {
+	local status="${1:?"abort requires status"}"
+	local reason="${2:?"abort requires reason"}"
+	shift 2
+	# here we want the string as template
+	# shellcheck disable=SC2059
+	printf "error: ${reason}\n" "$@" >&2
+	exit "${status}"
+}
+
+function has_software() {
+	for software in "$@"; do
+		type "${software}" >/dev/null 2>&1 ||
+		abort 1 $"%s not found in path\n" "${software}"
+	done
+}
+
+function import() {
+	local name path file
+	for name in "$@"; do
+		local IFS=:; set -o noglob
+		for path in ${IMPORTPATH}; do
+			file="${path}/${name}"
+			[[ -e "${file}" && -r "${file}" ]] && {
+				source "${file}" && continue 2 || return 1
+			}
+		done
+	done
+}