a14704c12b
This will allow us to track (and eventually limit) the commands that the build references via $PATH. These are mostly implicit dependencies on the host system -- for Linux, we assume something similar to Ubuntu 14.04 with a few extra packages, but this will let us better define that. This will not catch uses of tools with absolute paths (/bin/bash, etc), but most uses shouldn't be relying on absolute path names anyways. Adds ~400ms on the first startup, ~140ms on subsequent runs, and overhead of a few ms for every forwarded execution. Test: m Test: build/soong/build_test.bash Test: Add `gcc --version`, TEMPORARY_DISABLE_PATH_RESTRICTIONS=true m Change-Id: Id68cbb1c8ceef65bbbb10751e83722c7662d2351 |
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