dist: simplified build script templates

Currently we are using *.in files for templates, applying parameters by sed
command one-by-one.
This patch will replace them by Mustache, it's simple and easy syntax template
language.

Signed-off-by: Takuya ASADA <syuu@scylladb.com>
Message-Id: <20180606183113.25275-1-syuu@scylladb.com>

dist/common/systemd/scylla-jmx.service.mustache

@@ -5,7 +5,12 @@ After=scylla-server.service
 
 [Service]
 Type=simple
-EnvironmentFile=@@SYSCONFDIR@@/scylla-jmx
+{{#debian}}
+EnvironmentFile=/etc/default/scylla-jmx
+{{/debian}}
+{{#redhat}}
+EnvironmentFile=/etc/sysconfig/scylla-jmx
+{{/redhat}}
 User=scylla
 Group=scylla
 ExecStart=/usr/lib/scylla/jmx/scylla-jmx $SCYLLA_JMX_PORT $SCYLLA_API_PORT $SCYLLA_API_ADDR $SCYLLA_JMX_ADDR $SCYLLA_JMX_FILE $SCYLLA_JMX_LOCAL $SCYLLA_JMX_REMOTE $SCYLLA_JMX_DEBUG

dist/debian/build_deb.sh

@@ -74,6 +74,13 @@ fi
 if [ ! -f /usr/bin/dh_testdir ]; then
     pkg_install debhelper
 fi
+if [ ! -f /usr/bin/pystache ]; then
+    if is_redhat_variant; then
+        sudo yum install -y python2-pystache || sudo yum install -y pystache
+    elif is_debian_variant; then
+        sudo apt-get install -y python-pystache
+    fi
+fi
 
 
 if [ -z "$TARGET" ]; then
@@ -95,23 +102,22 @@ echo $VERSION > version
 ./scripts/git-archive-all --extra version --force-submodules --prefix scylla-jmx ../scylla-jmx_$SCYLLA_VERSION-$SCYLLA_RELEASE.orig.tar.gz 
 
 cp -a dist/debian/debian debian
-cp dist/debian/changelog.in debian/changelog
-cp dist/debian/rules.in debian/rules
-sed -i -e "s/@@VERSION@@/$SCYLLA_VERSION/g" debian/changelog
-sed -i -e "s/@@RELEASE@@/$SCYLLA_RELEASE/g" debian/changelog
-sed -i -e "s/@@CODENAME@@/$TARGET/g" debian/changelog
-if [ "$TARGET" = "trusty" ] || [ "$TARGET" = "xenial" ] || [ "$TARGET" = "yakkety" ] || [ "$TARGET" = "zesty" ] || [ "$TARGET" = "artful" ] || [ "$TARGET" = "bionic" ]; then
-    sed -i -e "s/@@REVISION@@/0ubuntu1~$TARGET/g" debian/changelog
+if  [ "$TARGET" = "jessie" ] || [ "$TARGET" = "stretch" ]; then
+    REVISION="1~$TARGET"
+elif [ "$TARGET" = "trusty" ] || [ "$TARGET" = "xenial" ] || [ "$TARGET" = "bionic" ]; then
+    REVISION="0ubuntu1~$TARGET"
 else
-    sed -i -e "s/@@REVISION@@/1~$TARGET/g" debian/changelog
+   echo "Unknown distribution: $TARGET"
 fi
-if [ "$TARGET" = "trusty" ]; then
-    sed -i -e "s/@@DH_INSTALLINIT@@/--upstart-only/g" debian/rules
-else
-    sed -i -e "s/@@DH_INSTALLINIT@@//g" debian/rules
+
+MUSTACHE_DIST="\"debian\": true, \"$TARGET\": true"
+pystache dist/debian/changelog.mustache "{ \"version\": \"$SCYLLA_VERSION\", \"release\": \"$SCYLLA_RELEASE\", \"revision\": \"$REVISION\", \"codename\": \"$TARGET\" }" > debian/changelog
+pystache dist/debian/rules.mustache "{ $MUSTACHE_DIST }" > debian/rules
+chmod a+rx debian/rules
+
+if [ "$TARGET" != "trusty" ]; then
+    pystache dist/common/systemd/scylla-jmx.service.mustache "{ $MUSTACHE_DIST }" > debian/scylla-jmx.service
 fi
-cp dist/common/systemd/scylla-jmx.service.in debian/scylla-jmx.service
-sed -i -e "s#@@SYSCONFDIR@@#/etc/default#g" debian/scylla-jmx.service
 
 cp ./dist/debian/pbuilderrc ~/.pbuilderrc
 sudo rm -fv /var/cache/pbuilder/scylla-jmx-$TARGET.tgz

dist/debian/changelog.mustache

@@ -1,4 +1,4 @@
-scylla-jmx (@@VERSION@@-@@RELEASE@@-@@REVISION@@) @@CODENAME@@; urgency=medium
+scylla-jmx ({{version}}-{{release}}-{{revision}}) {{codename}}; urgency=medium
 
   * Initial release.
 

dist/debian/rules.mustache

@@ -26,7 +26,12 @@ override_dh_auto_install:
 	ln -sf /usr/bin/java $(DEST)/symlinks/scylla-jmx
 
 override_dh_installinit:
-	dh_installinit --no-start @@DH_INSTALLINIT@@
+{{#trusty}}
+	dh_installinit --no-start --upstart-only
+{{/trusty}}
+{{^trusty}}
+	dh_installinit --no-start
+{{/trusty}}
 
 %:
 	dh $@

dist/redhat/build_rpm.sh

@@ -62,14 +62,19 @@ fi
 if [ ! -f /usr/bin/git ]; then
     pkg_install git
 fi
+if [ ! -f /usr/bin/pystache ]; then
+    if is_redhat_variant; then
+        sudo yum install -y python2-pystache || sudo yum install -y pystache
+    elif is_debian_variant; then
+        sudo apt-get install -y python-pystache
+    fi
+fi
 
 VERSION=$(./SCYLLA-VERSION-GEN)
 SCYLLA_VERSION=$(cat build/SCYLLA-VERSION-FILE)
 SCYLLA_RELEASE=$(cat build/SCYLLA-RELEASE-FILE)
 git archive --format=tar --prefix=scylla-jmx-$SCYLLA_VERSION/ HEAD -o build/scylla-jmx-$VERSION.tar
-cp dist/redhat/scylla-jmx.spec.in build/scylla-jmx.spec
-sed -i -e "s/@@VERSION@@/$SCYLLA_VERSION/g" build/scylla-jmx.spec
-sed -i -e "s/@@RELEASE@@/$SCYLLA_RELEASE/g" build/scylla-jmx.spec
+pystache dist/redhat/scylla-jmx.spec.mustache "{ \"version\": \"$SCYLLA_VERSION\", \"release\": \"$SCYLLA_RELEASE\" }" > build/scylla-jmx.spec
 
 sudo mock --buildsrpm --root=$TARGET --resultdir=`pwd`/build/srpms --spec=build/scylla-jmx.spec --sources=build/scylla-jmx-$VERSION.tar
 sudo mock --rebuild --root=$TARGET --resultdir=`pwd`/build/rpms build/srpms/scylla-jmx-$VERSION*.src.rpm

dist/redhat/scylla-jmx.spec.mustache

@@ -1,15 +1,17 @@
 Name:           scylla-jmx
-Version:        @@VERSION@@
-Release:        @@RELEASE@@%{?dist}
+Version:        {{version}}
+Release:        {{release}}%{?dist}
 Summary:        Scylla JMX
 Group:          Applications/Databases
 
 License:        AGPLv3
 URL:            http://www.scylladb.com/
-Source0:        %{name}-@@VERSION@@-@@RELEASE@@.tar
+Source0:        %{name}-{{version}}-{{release}}.tar
 
 BuildArch:      noarch
 BuildRequires:  maven systemd-units java-1.8.0-openjdk-devel
+%{?fedora:BuildRequires: python2-pystache}
+%{?rhel:BuildRequires: pystache python-setuptools}
 Requires:       scylla-server java-1.8.0-openjdk-headless
 
 %description
@@ -22,8 +24,8 @@ Requires:       scylla-server java-1.8.0-openjdk-headless
 %build
 mvn -B install
 mkdir build
-cp dist/common/systemd/scylla-jmx.service.in build/scylla-jmx.service
-sed -i -e "s#@@SYSCONFDIR@@#/etc/sysconfig#g" build/scylla-jmx.service
+MUSTACHE_DIST="\"redhat\": true"
+pystache dist/common/systemd/scylla-jmx.service.mustache "{ $MUSTACHE_DIST }" > build/scylla-jmx.service
 
 %install
 rm -rf $RPM_BUILD_ROOT