#!/bin/sh
# SPDX-License-Identifier: LGPL-2.1-or-later
-set -e
+set -eu
# Try to guess the build directory:
# we look for subdirectories of the parent directory that look like ninja build dirs.
-if [ -n "$BUILD_DIR" ]; then
- echo "$(realpath "$BUILD_DIR")"
+if [ -n "${BUILD_DIR:=}" ]; then
+ realpath "$BUILD_DIR"
exit 0
fi
found=
for i in "$root"/../*/build.ninja; do
- c="$(dirname $i)"
+ c="$(dirname "$i")"
[ -d "$c" ] || continue
[ "$(basename "$c")" != mkosi.builddir ] || continue
if [ -n "$found" ]; then
- echo 'Found multiple candidates, specify build directory with $BUILD_DIR' >&2
+ echo "Found multiple candidates, specify build directory with \$BUILD_DIR" >&2
exit 2
fi
found="$c"
done
if [ -z "$found" ]; then
- echo 'Specify build directory with $BUILD_DIR' >&2
+ echo "Specify build directory with \$BUILD_DIR" >&2
exit 1
fi
-echo "$(realpath $found)"
+realpath "$found"