| #!/usr/bin/env bash |
| |
| SOURCE_COMMIT="$1" |
| if [ "$#" -gt 0 ]; then |
| shift |
| fi |
| |
| # If no source commit is given target the default branch |
| if [ "x$SOURCE_COMMIT" = "x" ]; then |
| # If remote is not set use the remote of the current branch or fallback to "origin" |
| if [ "x$REMOTE" = "x" ]; then |
| BRANCH="$(git rev-parse --abbrev-ref HEAD)" |
| REMOTE="$(git config --local --get "branch.$BRANCH.remote" || echo 'origin')" |
| fi |
| SOURCE_COMMIT="remotes/$REMOTE/HEAD" |
| fi |
| |
| # Force colored diff output |
| DIFF_COLOR_SAVED="$(git config --local --get color.diff)" |
| if [ "x$DIFF_COLOR_SAVED" != "x" ]; then |
| git config --local --replace-all "color.diff" "always" |
| else |
| git config --local --add "color.diff" "always" |
| fi |
| |
| scratch="$(mktemp -t check-format.XXXXXXXXXX)" |
| finish () { |
| # Remove temporary file |
| rm -rf "$scratch" |
| # Restore setting |
| if [ "x$DIFF_COLOR_SAVED" != "x" ]; then |
| git config --local --replace-all "color.diff" "$DIFF_COLOR_SAVED" |
| else |
| git config --local --unset "color.diff" |
| fi |
| } |
| # The trap will be invoked whenever the script exits, even due to a signal, this is a bash only |
| # feature |
| trap finish EXIT |
| |
| GIT_CLANG_FORMAT="${GIT_CLANG_FORMAT:-git-clang-format}" |
| "$GIT_CLANG_FORMAT" --style=file --extensions=cc,cp,cpp,c++,cxx,cu,cuh,hh,hpp,hxx,hip,vert,frag --diff "$@" "$SOURCE_COMMIT" > "$scratch" |
| |
| # Check for no-ops |
| grep '^no modified files to format$\|^clang-format did not modify any files$' \ |
| "$scratch" > /dev/null && exit 0 |
| |
| # Dump formatting diff and signal failure |
| printf \ |
| "\033[31m==== FORMATTING VIOLATIONS DETECTED ====\033[0m |
| run '\033[33m%s --style=file %s %s\033[0m' to apply these formating changes\n\n" \ |
| "$GIT_CLANG_FORMAT" "$*" "$SOURCE_COMMIT" |
| |
| cat "$scratch" |
| exit 1 |