git-bisect script example

check_revision.sh

#!/bin/sh

# build initially and skip if this build is broken
./configure --enable-ccache --enable-debug
make -j3 check-stage1-TSUITE || (make clean; rm -rf ./x86_64-unknown-linux-gnu/ dist/ dl/ tmp/; exit 125)

# deploy our regression test
cp issue-XXX.rs src/test/TESTSUITE/

# run the regression test suite
make -j3 check-stage1-TSUITE

# invert the return code of `make`
if [ "$?" -eq 0 ]; then
        status=1
else
        status=0
fi

# cleanup
rm src/test/TESTSUITE/issue-XXX.rs
make clean
rm -rf ./x86_64-unknown-linux-gnu/ dist/ dl/ tmp/ # clean more aggressively

# exit and pass return code to git-bisect
exit $status