lib/helpers: rename and rewrite _bash_it_find_in_ancestor()

Author: gaelicWizard

lib/helpers.bash

@@ -850,21 +850,20 @@ then
   }
 fi
 
-function _bash_it_find_kin()
-(
-# We're deliberately using a subshell for this entire function for simplicity.
-# By using a subshell, we can use ${PWD} without special handling, and can
-#  just `cd ..` to move up the directory heirarchy. Let the shell do the work.
-	local common_ancestor="${PWD}"
-	local uncle="${1?${FUNCNAME[0]}: a file to locate must be specified}" aunt="${2:-}"
-	while [[ "${PWD:-/}" != '/' ]]
-	do
-		if [[ -r "${PWD}/${uncle}" || -r "${aunt:+${PWD}/}${aunt:-}" ]]
-		then
-			common_ancestor="${PWD}"
-			echo "${common_ancestor}"
-			return 0
-		fi
+function _bash_it_find_in_ancestor() (
+	# We're deliberately using a subshell for this entire function for simplicity.
+	# By using a subshell, we can use ${PWD} without special handling, and can
+	#  just `cd ..` to move up the directory heirarchy.
+	# Let the shell do the work.
+	local common_ancestor="${PWD}" kin
+	while [[ "${PWD:-/}" != '/' ]]; do
+		for kin in "$@"; do
+			if [[ -r "${PWD}/${kin}" ]]; then
+				common_ancestor="${PWD}"
+				echo "${common_ancestor}"
+				return 0
+			fi
+		done
 		command cd .. || return 2
 	done
 	return 1