a newer version of sonar is in the godin overlay: https://github.com/Godin/gentoo-overlay

dev-util/sonar-bin/Manifest

@@ -1,3 +0,0 @@
-AUX init.sh 480 SHA256 115075e9da99f4f4a74f7b5fc55d2ae4fad0ff52b0622a49a434395b5caf7058 SHA512 70c0d5571da407d81e040609a28fdf4dfa69f0d0b71f126b3fa9314ab2d30250accfe14cf738e1802e58ae8609414a84254e8bcf02a61aa0067f915f46245773 WHIRLPOOL 0fe9d8cfcaaa74e7b158d947757aac593bbcef5767f60b3d7e98ca7a40f505559e859fcae9254f8c857a27098155282227e779f171fec2419f8194ab44aca686
-DIST sonarqube-4.1.2.zip 73927521 SHA256 3789f35c18ccb5c4d141140bed31e6b54a68c986c98ee3e7ad0fc56374e96d0c SHA512 e28c9e393066bb4a9088f979e87e0db785f5f685ad66b7e91e637f90127a49c051623080062e10eac5b26414caddfe7a29f12731bcb760ccaed609a835e8bbf8 WHIRLPOOL 98786936a67e7678e402641e17ffbe5ec66541525c29fbe899c53204f89983abf821d1dcba6799a66c287dc64171ccbd13ed1ea31860e57fa7180c8333808edc
-EBUILD sonar-bin-4.1.2.ebuild 1486 SHA256 7113d53a4993ebc4d6c22efc56f62f66f9ae93641ca193ef830af945fdedbc14 SHA512 8e1fd730a4bd713d33e005f2f56d5883e933f7d4a6855ec164c3f44deb58594462a199a953164e724d04db5406df75d55ebd5c90075ebb48a5037fb6a895cc52 WHIRLPOOL abfa72b02f0b7b6af971637b949bdcd2a280264a533dbd282ca3c1cb55b0823027d60aa0574d297bd005728176487a56bd88a568b7a21ed7f336642ec4eec42b

dev-util/sonar-bin/files/init.sh

@@ -1,33 +0,0 @@
-#!/sbin/runscript
-
-depend() {
-    need net
-    use dns logger
-}
-
-RUN_AS=sonar
-
-MACHINE_TYPE=`getconf LONG_BIT`
-if [ "${MACHINE_TYPE}" = "64" ]; then
-  JSW=/opt/sonar/bin/linux-x86-64/sonar.sh
-else
-  JSW=/opt/sonar/bin/linux-x86-32/sonar.sh
-fi
-
-checkconfig() {
-    return 0
-}
-
-start() {
-    checkconfig || return 1
-
-    ebegin "Starting ${SVCNAME}"
-    su $RUN_AS -c "$JSW start"
-    eend $?
-}
-
-stop() {
-    ebegin "Stopping ${SVCNAME}"
-    su $RUN_AS -c "$JSW stop"
-    eend $?
-}

dev-util/sonar-bin/sonar-bin-4.1.2.ebuild

@@ -1,64 +0,0 @@
-EAPI=5
-
-inherit java-pkg-2 user
-
-DESCRIPTION="SonarQube is an open platform to manage code quality."
-HOMEPAGE="http://sonarsource.org/"
-LICENSE="LGPL-3"
-MY_PV="${PV/_alpha/M}"
-MY_PV="${MY_PV/_rc/-RC}"
-MY_P="sonarqube-${MY_PV}"
-SRC_URI="http://dist.sonar.codehaus.org/${MY_P}.zip"
-RESTRICT="mirror"
-SLOT="0"
-KEYWORDS="~x86 ~amd64"
-IUSE=""
-
-S="${WORKDIR}/${MY_P}"
-
-DEPEND="app-arch/unzip"
-RDEPEND=">=virtual/jdk-1.5"
-
-INSTALL_DIR="/opt/sonar"
-
-pkg_setup() {
-    #enewgroup <name> [gid]
-    enewgroup sonar
-    #enewuser <user> [uid] [shell] [homedir] [groups] [params]
-    enewuser sonar -1 /bin/bash /opt/sonar "sonar"
-}
-
-src_unpack() {
-    unpack ${A}
-    cd "${S}"
-
-    # TODO remove unneded files
-
-    # Fix permissions
-    chmod -R a-x,a+X conf data extensions lib web COPYING
-
-    # Fix EOL in configuration files
-    for i in conf/* ; do
-        awk '{ sub("\r$", ""); print }' $i > $i.new
-        mv $i.new $i
-    done
-}
-
-src_install() {
-    insinto ${INSTALL_DIR}
-    doins -r bin conf data extensions lib logs web COPYING
-
-    newinitd "${FILESDIR}/init.sh" sonar
-
-    fowners -R sonar:sonar ${INSTALL_DIR}
-
-    fperms 755 "${INSTALL_DIR}/bin/linux-x86-32/sonar.sh"
-    fperms 755 "${INSTALL_DIR}/bin/linux-x86-32/wrapper"
-
-    fperms 755 "${INSTALL_DIR}/bin/linux-x86-64/sonar.sh"
-    fperms 755 "${INSTALL_DIR}/bin/linux-x86-64/wrapper"
-
-    # Protect Sonar conf on upgrade
-    echo "CONFIG_PROTECT=\"${INSTALL_DIR}/conf\"" > "${T}/25sonar" || die
-    doenvd "${T}/25sonar"
-}