|  | #!/bin/bash | 
|  |  | 
|  | # update-marl merges the latest changes from the github.com/google/marl into | 
|  | # third_party/marl. This script copies the change descriptions from the squash | 
|  | # change into the top merge change, along with a standardized description. | 
|  | REASON=$1 | 
|  |  | 
|  | if [ ! -z "$REASON" ]; then | 
|  | REASON="\n$REASON\n" | 
|  | fi | 
|  |  | 
|  | git subtree pull --prefix third_party/marl https://github.com/google/marl main --squash -m "Update marl" | 
|  |  | 
|  | ALL_CHANGES=`git log -n 1 HEAD^2 | egrep '^(\s{4}[0-9a-f]{9}\s*.*)$'` | 
|  | HEAD_CHANGE=`echo "$ALL_CHANGES" | egrep '[0-9a-f]{9}' -o -m 1` | 
|  | LOG_MSG=`echo -e "Update Marl to $HEAD_CHANGE\n${REASON}\nChanges:\n$ALL_CHANGES\n\nCommands:\n    ./third_party/update-marl.sh\n\nBug: b/140546382"` | 
|  | git commit --amend -m "$LOG_MSG" |