(CommandList children: [ (C {(set)} {(-e)}) (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:JAVA_DIR) op: Equal rhs: {(${ VSub_Name TRAVIS_BUILD_DIR) (/java)} spids: [58] ) ] spids: [58] ) (C {(pushd)} {($ VSub_Name '$JAVA_DIR')}) (C {(export)} {(Lit_VarLike 'MAVEN_OPTS=') (DQ ($ VSub_Name '$MAVEN_OPTS') (' -Dorg.slf4j.simpleLogger.defaultLogLevel=warn')) } ) (C {(mvn)} {(-B)} {(install)}) (AndOr children: [ (C {(Lit_Other '[')} {(DQ (${ VSub_Name ARROW_TRAVIS_SKIP_SITE))} {(Lit_Other '=')} {(DQ (yes))} {(Lit_Other ']')} ) (C {(mvn)} {(-B)} {(site)}) ] op_id: Op_DPipe ) (C {(popd)}) ] )