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authorDan Willemsen <dwillemsen@google.com>2019-01-02 14:32:54 -0800
committerDan Willemsen <dwillemsen@google.com>2019-01-02 14:33:29 -0800
commit0636428d43ba5c069b4bf91abad31623c823bfe6 (patch)
tree1958f1b4a7817e32792b635814d42f3d654536be /Changes.md
parent63e48db6d19a676edb56b32d9afc10de363d6122 (diff)
downloadbuild-0636428d43ba5c069b4bf91abad31623c823bfe6.tar.gz
Deprecate USER in favor of BUILD_USERNAME
Bug: 122270019 Test: treehugger, codesearch
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# Build System Changes for Android.mk Writers
+## `USER` deprecation {#USER}
+
+`USER` will soon be `nobody` in many cases due to the addition of a sandbox
+around the Android build. Most of the time you shouldn't need to know the
+identity of the user running the build, but if you do, it's available in the
+make variable `BUILD_USERNAME` for now.
+
+Similarly, the `hostname` tool will also be returning a more consistent value
+of `android-build`. The real value is available as `BUILD_HOSTNAME`.
+
## `BUILD_NUMBER` removal from Android.mk {#BUILD_NUMBER}
`BUILD_NUMBER` should not be used directly in Android.mk files, as it would