From 943a0fd03706734f23de976568e6c09fe90ea94b Mon Sep 17 00:00:00 2001
From: Andreas Dangel <andreas.dangel@adangel.org>
Date: Fri, 28 Sep 2018 21:37:08 +0200
Subject: [PATCH] Cleanup old snapshots on Bintray

---
 .travis/build.sh                              |   5 +
 .../cleanup-bintray-snapshots.sh              | 117 ++++++++++++++++++
 2 files changed, 122 insertions(+)
 create mode 100644 net.sourceforge.pmd.eclipse.p2updatesite/cleanup-bintray-snapshots.sh

diff --git a/.travis/build.sh b/.travis/build.sh
index 8dbd82f1..d05f07c5 100644
--- a/.travis/build.sh
+++ b/.travis/build.sh
@@ -18,4 +18,9 @@ echo "TRAVIS_ALLOW_FAILURE: $TRAVIS_ALLOW_FAILURE"
 if [ "${TRAVIS_PULL_REQUEST}" = "false" ] && [ "${TRAVIS_SECURE_ENV_VARS}" = "true" ]; then
     # Uploading the update site to Bintray
     ./mvnw verify -DskipTests -Psnapshot-properties -Prelease-composite
+    # Cleanup old snapshots
+    (
+        cd net.sourceforge.pmd.eclipse.p2updatesite
+        ./cleanup-bintray-snapshots.sh
+    )
 fi
diff --git a/net.sourceforge.pmd.eclipse.p2updatesite/cleanup-bintray-snapshots.sh b/net.sourceforge.pmd.eclipse.p2updatesite/cleanup-bintray-snapshots.sh
new file mode 100644
index 00000000..4cccd8cd
--- /dev/null
+++ b/net.sourceforge.pmd.eclipse.p2updatesite/cleanup-bintray-snapshots.sh
@@ -0,0 +1,117 @@
+#!/bin/bash
+set -e
+
+#Sample Usage: cleanup-bintray-snapshots.sh user apikey
+API=https://api.bintray.com
+
+if [ -z $BINTRAY_API_KEY -o -z $BINTRAY_USER ]; then
+    # only take arguments, if there are now env variable set already
+    BINTRAY_API_KEY=$1
+    BINTRAY_USER=$2
+fi
+
+if [ -z $BINTRAY_API_KEY -o -z $BINTRAY_USER ]; then
+  echo "Usage: $0 <BINTRAY_API_KEY> <BINTRAY_USER>"
+  exit 1
+fi
+
+BINTRAY_REPO=pmd-eclipse-plugin
+BINTRAY_OWNER=pmd
+
+BASE_PATH=pmd/pmd-eclipse-plugin/snapshots/updates/4.0
+BASE_URL=https://dl.bintray.com/${BASE_PATH}
+BASE_PATH_SNAPSHOT_BUILDS=pmd/pmd-eclipse-plugin/snapshots/builds
+ARTIFACTS_FILE=compositeArtifacts.xml
+CONTENT_FILE=compositeContent.xml
+WORKING_DIR=target/cleanup-bintray-snapshots
+KEEP=5
+#DRY_RUN=echo
+
+mkdir -p ${WORKING_DIR}
+pushd ${WORKING_DIR}
+
+
+# download the metadata
+curl ${BASE_URL}/${ARTIFACTS_FILE} > ${ARTIFACTS_FILE}
+curl ${BASE_URL}/${CONTENT_FILE} > ${CONTENT_FILE}
+
+# we keep some versions
+artifacts=$(grep "<child location" ${ARTIFACTS_FILE} | tail -${KEEP})
+count=$(grep "<child location" ${ARTIFACTS_FILE} | tail -${KEEP}|wc -l)
+artifacts_remove=$(grep "<child location" ${ARTIFACTS_FILE} | grep -v "${artifacts}")
+artifacts_remove_count=$(echo "${artifacts_remove}" | grep -c "<child location")
+
+#echo "Artifacts to keep:"
+#echo "$artifacts"
+#echo "Artifacts to remove:"
+#echo "$artifacts_remove"
+#echo "Artifacts to remove count: ${artifacts_remove_count}"
+
+if [[ $artifacts_remove_count -eq 0 ]]; then
+    echo "No artifacts should be removed, exiting"
+    popd
+    exit 0
+fi
+
+
+artifacts_versions=$(echo "${artifacts_remove}" | sed -n "s/ *<child location='..\/..\/builds\/\([^']*\).*/\1/p")
+#echo "versions:"
+#echo "$artifacts_versions"
+
+for v in $artifacts_versions; do
+    echo "Deleting $v ..."
+    
+    for file in artifacts.jar artifacts.xml.xz content.jar content.xml.xz p2.index features/net.sourceforge.pmd.eclipse_${v}.jar plugins/net.sourceforge.pmd.eclipse.plugin_${v}.jar; do
+        ${DRY_RUN} curl -X DELETE -u${BINTRAY_USER}:${BINTRAY_API_KEY} "https://api.bintray.com/content/${BASE_PATH_SNAPSHOT_BUILDS}/${v}/${file}"
+    done
+    echo
+    echo ----------------------------------------
+done
+
+
+echo
+echo "Updating metadata"
+
+
+artifactsTemplate="<?xml version='1.0' encoding='UTF-8'?>
+<?compositeArtifactRepository version='1.0.0'?>
+<repository name='PMD for Eclipse Update Site 4.0' type='org.eclipse.equinox.internal.p2.artifact.repository.CompositeArtifactRepository' version='1.0.0'>
+  <properties size='2'>
+    <property name='p2.timestamp' value='$(date +%s)000'/>
+    <property name='p2.atomic.composite.loading' value='true'/>
+  </properties>
+  <children size='${count}'>
+$artifacts
+  </children>
+</repository>
+"
+echo "${artifactsTemplate}" > ${ARTIFACTS_FILE}.new
+${DRY_RUN} curl -X PUT -u${BINTRAY_USER}:${BINTRAY_API_KEY} -T ${ARTIFACTS_FILE}.new https://api.bintray.com/content/${BASE_PATH}/${ARTIFACTS_FILE};publish=1
+
+
+content=$(grep "<child location" ${CONTENT_FILE} | tail -${KEEP})
+count=$(grep "<child location" ${CONTENT_FILE} | tail -${KEEP}|wc -l)
+content_remove=$(grep "<child location" ${CONTENT_FILE} | grep -v "${content}")
+
+#echo "Content to keep:"
+#echo "$content"
+#echo "Content to remove:"
+#echo "$content_remove"
+
+contentTemplate="<?xml version='1.0' encoding='UTF-8'?>
+<?compositeMetadataRepository version='1.0.0'?>
+<repository name='PMD for Eclipse Update Site 4.0' type='org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepository' version='1.0.0'>
+  <properties size='2'>
+    <property name='p2.timestamp' value='$(date +%s)000'/>
+    <property name='p2.atomic.composite.loading' value='true'/>
+  </properties>
+  <children size='${count}'>
+$content
+  </children>
+</repository>
+"
+echo "${contentTemplate}" > ${CONTENT_FILE}.new
+${DRY_RUN} curl -X PUT -u${BINTRAY_USER}:${BINTRAY_API_KEY} -T ${CONTENT_FILE}.new https://api.bintray.com/content/${BASE_PATH}/${CONTENT_FILE};publish=1
+
+
+popd