1 files changed, 40 insertions, 0 deletions
diff --git a/tools/path_replacer.sh b/tools/path_replacer.sh
new file mode 100755
index 0000000..9e9a540
--- /dev/null
+++ b/tools/path_replacer.sh
@@ -0,0 +1,40 @@
+#!/bin/sh
+
+# Copyright (C) 2014-2020 Internet Systems Consortium, Inc. ("ISC")
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# This script replaces /usr/local, ${prefix}/var and other automake/autoconf
+# variables with their actual content.
+#
+# Invocation:
+#
+# ./path_replacer.sh input-file.in output-file
+#
+# This script is initially used to generate configuration files, but it is
+# generic and can be used to generate any text files.
+
+# shellcheck disable=SC2034
+# SC2034: ... appears unused. Verify use (or export if used externally).
+
+# Exit with error if commands exit with non-zero and if undefined variables are
+# used.
+set -eu
+
+prefix="/usr/local"
+sysconfdir="${prefix}/etc"
+localstatedir="${prefix}/var"
+exec_prefix="${prefix}"
+libdir="${exec_prefix}/lib"
+
+echo "Replacing \@prefix\@ with ${prefix}"
+echo "Replacing \@libdir\@ with ${libdir}"
+echo "Replacing \@sysconfdir\@ with ${sysconfdir}"
+echo "Replacing \@localstatedir\@ with ${localstatedir}"
+
+echo "Input file: $1"
+echo "Output file: $2"
+
+sed -e "s+\@libdir\@+${libdir}+g; s+\@localstatedir\@+${localstatedir}+g; s+\@prefix\@+${prefix}+g; s+\@sysconfdir\@+${sysconfdir}+g" "${1}" > "${2}"