added fixed ebuild (copied from godin's overlay):

- in sonar-4.x, thw web-direcotry is called web, not war
- enewgroup and enewuser requires the "user" eclass

dev-util/sonar-bin/Manifest

@@ -0,0 +1,3 @@
+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 1500 SHA256 3d57c71f02d43e9c8a320bb64c2e7ffdc5c315a04f98de7d5dd187096c63a729 SHA512 94c2c36ed0706b5cc563d8e6b4d6c0d50d93d6582df3c332707405f5dbb7694887f6e8adcc5256fc6777345dd58d430cf81563c43469e9564feecc306c901a4c WHIRLPOOL a1f17b1b4d905443c997039849eea1362e8739250c0604d1b4aa16b7a5668acf3b5aaacbb033649cae9dedab028fbc7698ab8c2290589dc878fe4a7f5a7c5575

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

@@ -0,0 +1,33 @@
+#!/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

@@ -0,0 +1,64 @@
+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 extras 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 ${INSTALL_DIR}
+    doins -r bin conf data extensions extras lib logs web COPYING
+
+    newinitd "${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"
+}