Adjust how to clear a shell script env variable
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drwxr-xr-x - EximBuild
-rw-r--r-- 18104 LICENSE
-rw-r--r-- 1058 License.PG
-rw-r--r-- 200 README
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-rw-r--r-- 7464 build-farm.conf.template
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-rwxr-xr-x 39840 run_build.pl
-rwxr-xr-x 484 run_cron.sh
-rwxr-xr-x 2585 setnotes.pl
-rwxr-xr-x 2956 update_personality.pl