From 05e6a03da848ecc0081a23d934b9c35d34564859 Mon Sep 17 00:00:00 2001
From: Mustapha Zorgati <zorgati.mustapha@gmail.com>
Date: Mon, 10 Sep 2018 13:52:00 +0200
Subject: [PATCH] TSK-657: now incrementing and pushing pom files to repo after
 releasing

---
 .travis.yml          | 10 +++--
 ci/change_version.sh | 93 ++++++++++++++++++++++++++++++++++++++++++++
 ci/commitPoms.sh     | 79 +++++++++++++++++++++++++++++++++++++
 ci/release.sh        |  8 ++--
 4 files changed, 182 insertions(+), 8 deletions(-)
 create mode 100755 ci/change_version.sh
 create mode 100755 ci/commitPoms.sh

diff --git a/.travis.yml b/.travis.yml
index 8175eb5..f5d40af 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,18 +4,20 @@ jdk:
 
 stages:
   - Build
-  - "Release / Deploy"
+  - Release
 
 env:
   global:
-    - DEPLOY_REPO=MiguelMartinRojas/TaskanaSimpleHistory
+    - DEPLOY_REPO=Taskana/TaskanaSimpleHistory
   
 jobs:
   include:
     - stage: Build
       script:
         - mvn clean install -q -f lib -DskipTests -Dmaven.javadoc.skip=true
-    - stage: "Release / Deploy"
+    - stage: Release
       script:
         - ci/release.sh lib/taskana-history-plugin $TRAVIS_TAG
-      if: repo = env(DEPLOY_REPO) AND (tag =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ OR branch = TSK-657) AND type != pull_request
+          && ci/change_version.sh -i -m "lib/" 
+          && ci/commitPoms.sh
+      if: repo = env(DEPLOY_REPO) AND (tag =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ OR branch = master) AND type != pull_request
diff --git a/ci/change_version.sh b/ci/change_version.sh
new file mode 100755
index 0000000..7631519
--- /dev/null
+++ b/ci/change_version.sh
@@ -0,0 +1,93 @@
+#!/bin/bash
+set -e #fail fast
+
+#H Usage:
+#H change_version.sh -h | change_version.sh --help
+#H
+#H prints this help and exits  
+#H 
+#H change_version.sh <-m modules...> [-i] 
+#H
+#H   if a release version exists (extracted from TRAVIS_TAG) 
+#H   the maven versions of all modules will be changed to the given release version.
+#H
+#H module:
+#H   directory of a maven project
+#H i:
+#H   increments version
+#H
+#H Environment variables:
+#H   - TRAVIS_TAG 
+#H       if this is a tagged build then TRAVIS_TAG contains the version number.
+#H       pattern: v[DIGIT].[DIGIT].[DIGIT]
+# Arguments:
+#   $1: exitcode
+function helpAndExit {
+  cat "$0" | grep "^#H" | cut -c4-
+  exit "$1"
+}
+
+# takes a version (without leading v) and increments its
+# last number by one. 
+# Arguments:
+#   $1: version (without leading v) which will be patched
+# Return:
+#   version with last number incremented
+function increment_version() {
+  if [[ ! "$1" =~ [0-9]+\.[0-9]+\.[0-9]+ ]]; then
+    echo "'$1' does not match tag pattern." >&2
+    exit 1;
+  fi
+  echo "${1%\.*}.`expr ${1##*\.*\.} + 1`"
+}
+
+# changing version in pom and all its children
+# Arguments:
+#   $1: directory of pom
+#   $2: new version
+function change_version {
+  mvn versions:set -f "$1" -DnewVersion="$2"   -DartifactId=*  -DgroupId=* versions:commit
+}
+
+function main {
+  [[ $# -eq 0 || "$1" == '-h' || "$1" == '--help' ]] && helpAndExit 0
+
+  while [[ $# -gt 0 ]]; do
+    case $1 in
+      -i)
+        INCREMENT="true"
+        shift # past argument
+        ;;
+      -m|--modules)
+        if [[ -z "$2" || "$2" == -* ]]; then
+          echo "missing parameter for argument '-m|--modules'" >&2
+          exit 1
+        fi
+        MODULES=($2)
+        shift # past argument
+        shift # past value
+        ;;
+      *) # unknown option
+        echo "unknown parameter $1" >&2
+        exit 1
+        ;;
+    esac
+  done
+
+  if [[ ${#MODULES[@]} -eq 0 ]]; then
+    echo "Can not perform deployment without any modules" >&2
+    helpAndExit 1
+  fi
+
+  if [[ "$TRAVIS_TAG" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
+    version=`[[ -n "$INCREMENT" ]] && echo $(increment_version "${TRAVIS_TAG##v}")-SNAPSHOT || echo "${TRAVIS_TAG##v}"`
+    for dir in ${MODULES[@]}; do
+      change_version "$dir" "$version"
+    done
+
+  else
+    echo "skipped version change because this is not a release build"
+  fi
+}
+
+main "$@"
diff --git a/ci/commitPoms.sh b/ci/commitPoms.sh
new file mode 100755
index 0000000..f269c5b
--- /dev/null
+++ b/ci/commitPoms.sh
@@ -0,0 +1,79 @@
+#!/bin/bash
+set -e # fail fast
+
+#H Usage:
+#H commitPoms.sh -h | commitPoms.sh --help
+#H
+#H prints this help and exits
+#H
+#H commitPoms.sh [additional files...]
+#H
+#H   commits and pushes all *.pom files (+ additional files)
+#H
+#H Requirements:
+#H   current commit is a HEAD commit
+#H   GH_TOKEN - github access token
+#H   GH_USER - username for the github access token
+#H   TRAVIS_TAG (format v[0-9]+\.[0-9]+\.[0-9]+)
+#H   TRAVIS_REPO_SLUG - repo name (in form: owner_name/repo_name)
+# Arguments:
+#   $1: exit code
+function helpAndExit {
+  cat "$0" | grep "^#H" | cut -c4-
+  exit "$1"
+}
+
+# takes a version (without leading v) and increments its
+# last number by one. 
+# Arguments:
+#   $1: version (without leading v) which will be patched
+# Return:
+#   version with last number incremented
+function increment_version() {
+  if [[ ! "$1" =~ [0-9]+\.[0-9]+\.[0-9]+ ]]; then
+    echo "'$1' does not match tag pattern." >&2
+    exit 1;
+  fi
+  echo "${1%\.*}.`expr ${1##*\.*\.} + 1`"
+}
+
+function main {
+    [[ "$1" == '-h' || "$1" == '--help' ]] && helpAndExit 0
+    [[ -z "$GH_USER" || -z "$GH_TOKEN" || -z "$TRAVIS_REPO_SLUG" ]] && helpAndExit 1
+    if [[ "$TRAVIS_TAG" =~ v[0-9]+\.[0-9]+\.[0-9]+ ]]; then
+      #check if tagged commit is a head commit of any branch
+      commit=`git ls-remote -q -t origin | grep "$TRAVIS_TAG" | cut -c1-40`
+      branch=`git ls-remote -q -h origin | grep "$commit" | sed "s/$commit.*refs\/heads\///"`
+
+      if [[ -z "$commit" || -z "$branch" ]]; then
+        echo "the commit '$commit' of tag '$TRAVIS_TAG' is not a head commit. Can not release" >&2
+        exit 1
+      fi
+
+      if [[ `echo "$branch" | wc -l` != '1' ]]; then
+        echo "can not match commit '$commit' to a unique branch." >&2
+        echo "Please make sure, that the tag '$TRAVIS_TAG' is the head of a unique branch" >&2
+        echo "Branches detected: $branch"
+        exit 1
+      fi
+
+      #commit all poms
+      git checkout -b "$branch"
+      #to compensate new updates
+      git pull
+      git add "./*pom.xml"
+      for file in "$@"; do
+        [[ -n "$file" ]] && git add "$file"
+      done
+      git commit -m "Updated poms to version `increment_version ${TRAVIS_TAG##v}`-SNAPSHOT"
+
+      #push poms (authentication via GH_TOKEN)
+      git remote add deployment "https://$GH_USER:$GH_TOKEN@github.com/$TRAVIS_REPO_SLUG.git"
+      git push --quiet --set-upstream deployment "$branch"
+    else
+      echo "Nothing to push - this is not a release!"
+    fi
+
+}
+
+main "$@"
diff --git a/ci/release.sh b/ci/release.sh
index 230c5bf..1f9f36f 100755
--- a/ci/release.sh
+++ b/ci/release.sh
@@ -28,8 +28,8 @@ set -e # fail fast
 #H       * codesigning.asc.enc
 #H     have to exist in the same folder as this script
 #H   - the environment variables 
-#H       * encrypted_3a2bac31b42b_key 
-#H       * encrypted_3a2bac31b42b_iv
+#H       * encrypted_a4551539cb8c_key 
+#H       * encrypted_a4551539cb8c_iv
 #H     have to exist (in order to decode codesigning.asc.enc)
 # Arguments:
 #   $1: exit code
@@ -40,8 +40,8 @@ function helpAndExit {
 
 # decripting gpg keys and importing them (needed to sign artifacts)
 # Global:
-#   $encrypted_3a2bac31b42b_key: decription key
-#   $encrypted_3a2bac31b42b_iv: initialisation vector
+#   $encrypted_a4551539cb8c__key: decription key
+#   $encrypted_a4551539cb8c__iv: initialisation vector
 # Arguments:
 #   $1: basedir
 function decodeAndImportKeys {