Standardize package building

1. Only build on GitLab when there's a tag.
2. Add the packages on GitLab to component "pvc" in the repo.
3. Add build-unstable-deb.sh script to build git-versioned packages.
4. Revamp build-and-deploy to use build-unstable-deb.sh and cut down on
   output.

.gitlab-ci.yml

@@ -2,12 +2,14 @@ stages:
    - build
    - deploy
 
-build:
+build_releases:
   stage: build
   before_script: 
     - git submodule update --init
   script:
     - /bin/bash build-deb.sh
-    - /usr/local/bin/deploy-package
+    - /usr/local/bin/deploy-package -C pvc
   only:
-    - master
+    - tags
+  except:
+    - branches

build-and-deploy.sh

@@ -13,30 +13,35 @@ else
 fi
 
 HOSTS=( ${@} )
-echo "${HOSTS[@]}"
+echo "> Deploying to host(s): ${HOSTS[@]}"
 
 # Build the packages
-./build-deb.sh
+echo -n "Building packages... "
+version="$( ./build-unstable-deb.sh 2>/dev/null )"
+echo "done. Package version ${version}."
 
 # Install the client(s) locally
-$SUDO dpkg -i ../pvc-client*.deb
+echo -n "Installing client packages locally... "
+$SUDO dpkg -i ../pvc-client*_${version}*.deb &>/dev/null
+echo "done".
 
 for HOST in ${HOSTS[@]}; do
-    echo "****"
-    echo "Deploying to host ${HOST}"
-    echo "****"
-    ssh $HOST $SUDO rm -rf /tmp/pvc
-    ssh $HOST mkdir /tmp/pvc
-    scp ../*.deb $HOST:/tmp/pvc/
-    echo "Installing packages..."
-    ssh $HOST $SUDO dpkg -i /tmp/pvc/{pvc-client-cli,pvc-daemon-common,pvc-daemon-api,pvc-daemon-node}*.deb
-    ssh $HOST rm -rf /tmp/pvc
-    echo "Restarting PVC node daemon..."
-    ssh $HOST $SUDO systemctl restart pvcapid
-    ssh $HOST $SUDO systemctl restart pvcapid-worker
-    ssh $HOST $SUDO systemctl restart pvcnoded
-    echo "****"
-    echo "Waiting 15s for host ${HOST} to stabilize"
-    echo "****"
+    echo "> Deploying packages to host ${HOST}"
+    echo -n "Copying packages... "
+    ssh $HOST $SUDO rm -rf /tmp/pvc &>/dev/null
+    ssh $HOST mkdir /tmp/pvc &>/dev/null
+    scp ../pvc-*_${version}*.deb $HOST:/tmp/pvc/ &>/dev/null
+    echo "done."
+    echo -n "Installing packages... "
+    ssh $HOST $SUDO dpkg -i /tmp/pvc/{pvc-client-cli,pvc-daemon-common,pvc-daemon-api,pvc-daemon-node}*.deb &>/dev/null
+    ssh $HOST rm -rf /tmp/pvc &>/dev/null
+    echo "done."
+    echo -n "Restarting PVC daemons... "
+    ssh $HOST $SUDO systemctl restart pvcapid &>/dev/null
+    ssh $HOST $SUDO systemctl restart pvcapid-worker &>/dev/null
+    ssh $HOST $SUDO systemctl restart pvcnoded &>/dev/null
+    echo "done."
+    echo -n "Waiting 15s for host to stabilize... "
     sleep 15
+    echo "done."
 done

build-unstable-deb.sh

@@ -0,0 +1,33 @@
+#!/bin/sh
+set -o xtrace
+exec 3>&1
+exec 1>&2
+# Ensure we're up to date
+git pull --rebase
+# Update the version to a sensible git revision for easy visualization
+base_ver="$( head -1 debian/changelog | awk -F'[()-]' '{ print $2 }' )"
+new_ver="${base_ver}~git-$(git rev-parse --short HEAD)"
+echo ${new_ver} >&3
+# Back up the existing changelog and Daemon.py files
+tmpdir=$( mktemp -d )
+cp -a debian/changelog node-daemon/pvcnoded/Daemon.py ${tmpdir}/
+# Replace the "base" version with the git revision version
+sed -i "s/version = '${base_ver}'/version = '${new_ver}'/" node-daemon/pvcnoded/Daemon.py
+sed -i "s/${base_ver}-0/${new_ver}/" debian/changelog 
+cat <<EOF > debian/changelog
+pvc (${new_ver}) unstable; urgency=medium
+
+  * Unstable revision for commit $(git rev-parse --short HEAD)
+
+ -- Joshua Boniface <joshua@boniface.me>  $( date -R )
+EOF
+# Build source tarball
+dh_make -p pvc_${new_ver} --createorig --single --yes
+# Build packages
+dpkg-buildpackage -us -uc
+# Restore original changelog and Daemon.py files
+cp -a ${tmpdir}/changelog debian/changelog
+cp -a ${tmpdir}/Daemon.py node-daemon/pvcnoded/Daemon.py
+# Clean up
+rm -r ${tmpdir}
+dh_clean