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travis: if merge base is older than 50 commits, unshallow the repo (#21472)

This commit is contained in:
Josh Hagins 2016-05-26 15:44:16 -04:00
parent 17dbe16236
commit e51f6f0f1a
1 changed files with 4 additions and 1 deletions
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5
ci/travis/before_install.sh
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@ -22,7 +22,10 @@ run 'env | sort'
run export BRANCH_COMMIT="${TRAVIS_COMMIT_RANGE##*.}"
run export TARGET_COMMIT="${TRAVIS_COMMIT_RANGE%%.*}"
# shellcheck disable=SC2016
run 'MERGE_BASE="$(git merge-base "${BRANCH_COMMIT}" "${TARGET_COMMIT}")"'
if ! run 'MERGE_BASE="$(git merge-base "${BRANCH_COMMIT}" "${TARGET_COMMIT}")"'; then
run git fetch --unshallow
run 'MERGE_BASE="$(git merge-base "${BRANCH_COMMIT}" "${TARGET_COMMIT}")"'
fi
run export MERGE_BASE="${MERGE_BASE}"
run export TRAVIS_COMMIT_RANGE="${MERGE_BASE}...${BRANCH_COMMIT}"