RuiChen created KUDU-3088:
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Summary: build-if-necessary.sh don't rebuild even if thirdparty
directory is changed
Key: KUDU-3088
URL: https://issues.apache.org/jira/browse/KUDU-3088
Project: Kudu
Issue Type: Bug
Components: build
Reporter: RuiChen
I update the thirdparty directory in my forked kudu project, and run
*build-if-necessary.sh* , it can't know the changes and don't rebuild
thirdparty libs, I find we use *git ls-tree -d HEAD thirdparty* to check the
changes in git, it will return HASH of directory "*thirdparty*", but actually
it will never be updated after the directory is created, even if the subtree of
directory "thirdparty" have been changed in git.
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