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[distro-setup] / dall

diff --git a/dall b/dall
index 3ed8d4480983282e8114d05074d43911011ef264..da47ce52ba83deee3c4f5117cba5f5bea288bedf 100755 (executable)
--- a/dall
+++ b/dall
@@ -1,11 +1,32 @@
 #!/bin/bash
+# I, Ian Kelling, follow the GNU license recommendations at
+# https://www.gnu.org/licenses/license-recommendations.en.html. They
+# recommend that small programs, < 300 lines, be licensed under the
+# Apache License 2.0. This file contains or is part of one or more small
+# programs. If a small program grows beyond 300 lines, I plan to switch
+# its license to GPL.
+
+# Copyright 2024 Ian Kelling
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 
 if ! test "$BASH_VERSION"; then echo "error: shell is not bash" >&2; exit 1; fi
 shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
 set -eE -o pipefail
 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" exit status: $?, PIPESTATUS: ${PIPESTATUS[*]}" >&2' ERR
 
-readonly this_file="$(readlink -f -- "${BASH_SOURCE[0]}")"
+readonly this_file; this_file="$(readlink -f -- "${BASH_SOURCE[0]}")"
 readonly this_dir="${this_file%/*}"
 cd "$this_dir"
 ./distro-begin