| #!/bin/bash |
| |
| # This script updates checked-in generated files (currently CMakeLists.txt, |
| # descriptor.upb.h, and descriptor.upb.c), commits the resulting change, and |
| # pushes it. This does not do anything useful when run manually, but should be |
| # run by our GitHub action instead. |
| |
| set -ex |
| |
| # Exit early if the previous commit was made by the bot. This reduces the risk |
| # of a bug causing an infinite loop of auto-generated commits. |
| if (git log -1 --pretty=format:'%an' | grep -q "Protobuf Team Bot"); then |
| echo "Previous commit was authored by bot" |
| exit 0 |
| fi |
| |
| cd $(dirname -- "$0")/.. |
| bazel test //cmake:test_generated_files || bazel-bin/cmake/test_generated_files --fix |
| |
| # Try to determine the most recent pull request number. |
| title=$(git log -1 --pretty='%s') |
| pr_from_merge=$(echo "$title" | sed -n 's/^Merge pull request #\([0-9]\+\).*/\1/p') |
| pr_from_squash=$(echo "$title" | sed -n 's/^.*(#\([0-9]\+\))$/\1/p') |
| |
| pr="" |
| if [ ! -z "$pr_from_merge" ]; then |
| pr="$pr_from_merge" |
| elif [ ! -z "$pr_from_squash" ]; then |
| pr="$pr_from_squash" |
| fi |
| |
| if [ ! -z "$pr" ]; then |
| commit_message="Auto-generate CMake file lists after PR #$pr" |
| else |
| # If we are unable to determine the pull request number, we fall back on this |
| # default commit message. Typically this should not occur, but could happen |
| # if a pull request was merged via a rebase. |
| commit_message="Auto-generate CMake file lists" |
| fi |
| |
| git add -A |
| git diff --staged --quiet || git commit -am "$commit_message" |
| git push |