1 Author: aurimas (a] google.com 2 Updated: 6/6/2017 3 4 Instructions on how to compile and apply refaster rules to support library 5 6 0. Download error-prone and refaster jars 7 http://errorprone.info/docs/refaster will have up to date instructions 8 9 1. Compile the refaster rule (in this example IsAtLeastO.java) 10 java -cp /path/to/android.jar:/path/to/support-compat.jar:javac-9-dev-r3297-4.jar:error_prone_refaster-2.0.18.jar com.google.errorprone.refaster.RefasterRuleCompiler IsAtLeastO.java --out `pwd`/myrule.refaster 11 12 2. Update build to use the refaster rule 13 Add compiler args to error-prone in SupportLibraryPlugin.groovy 14 '-XepPatchChecks:refaster:/path/to/refaster/myrule.refaster', 15 '-XepPatchLocation:' + project.projectDir 16 17 3. Compile support library using the refaster rule 18 ./gradlew assembleErrorProne 19 20 4. Apply patches 21 error-prone will produce patch files like "design/error-prone.patch" and to apply them, cd into the 22 directory e.g. "design" and then run: 23 patch -p0 -u -i error-prone.patch 24 25 5. Rules have been applied! Celebrate!
