-shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
-set -eE -o pipefail
-trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
-# alternatively, using https://iankelling.org/git/?p=errhandle;a=tree
-# source /path/errhandle/err
-# on my machine
-source /a/bin/errhandle/err
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+# http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+source /a/bin/bash-bear-trap/bash-bear
+source /a/bin/distro-functions/src/package-manager-abstractions
+
+PATH="$PATH:$HOME/.cargo/bin"
+hash -r
+
+# todo: this should happen in some kind of sandbox or vm