1 files changed, 38 insertions, 0 deletions
diff --git a/scripts/utils.sh b/scripts/utils.sh
new file mode 100755
index 0000000..4c652c1
--- /dev/null
+++ b/scripts/utils.sh
@@ -0,0 +1,38 @@
+#!/usr/bin/env sh
+
+set -e -o pipefail
+
+dir_has_file() {
+  dir="$1"; shift;
+  for arg in ${@}; do
+    if [ -e "$dir/$arg" ]; then
+      return 0;
+    fi
+  done
+  return 1;
+}
+
+find_closest() {
+  init_dir="${1:-"$PWD"}"; shift;
+  dir="$init_dir";
+  while [ "$dir" != "" ] && [ "$dir" != "." ]; do
+    if [ "$dir" == "/" ]; then
+      dir="$init_dir"
+      break;
+    fi
+    if dir_has_file "$dir" "$@"; then
+      break;
+    fi
+    dir=$(dirname "$dir");
+  done
+  if [ -f "$dir" ]; then
+    dirname "$dir";
+  else
+    echo "$dir";
+  fi
+}
+
+cmd="$1"; shift;
+case "$cmd" in
+  find_closest) find_closest "$@" ;;
+esac