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-rwxr-xr-xtools/find-build-dir.sh33
1 files changed, 33 insertions, 0 deletions
diff --git a/tools/find-build-dir.sh b/tools/find-build-dir.sh
new file mode 100755
index 0000000..79a79fc
--- /dev/null
+++ b/tools/find-build-dir.sh
@@ -0,0 +1,33 @@
+#!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -eu
+
+# Try to guess the build directory:
+# we look for subdirectories of the parent directory that look like ninja build dirs.
+
+if [ -n "${BUILD_DIR:=}" ]; then
+ realpath "$BUILD_DIR"
+ exit 0
+fi
+
+root="$(dirname "$(realpath "$0")")"
+
+found=
+for i in "$root"/../*/build.ninja; do
+ 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
+ exit 2
+ fi
+ found="$c"
+done
+
+if [ -z "$found" ]; then
+ echo "Specify build directory with \$BUILD_DIR" >&2
+ exit 1
+fi
+
+realpath "$found"