.gitlab-ci.yml

image: alpine:latest

variables:
  GIT_USER_EMAIL: git-rev-label.ci@gitlab.com
  GIT_USER_NAME: git-rev-label.ci
    
before_script:
- echo -e "Fetch job trace with \n\e[1;3m   curl -H \"PRIVATE-TOKEN:xxxxx\" https://gitlab.com/api/v4/projects/$CI_PROJECT_ID/jobs/$CI_JOB_ID/trace \e[0m"
- function DEBUG { >&2 "$@" || true; }
- set -o nounset -o pipefail
## ---
  #rm -f /tmp/xtrace_file;
  #XTRACE_COLOR="$(echo -e $'\e[32m')" NOCOLOR="$(echo -e $'\e[0m')"
- >-
  mkfifo /tmp/xtrace_file;
  trap "rm -v /tmp/xtrace_file" EXIT;
  exec 7<>/tmp/xtrace_file;
  { while read -u7; do echo -e $'\e[32m'"$REPLY"$'\e[0m'; done; } &
  export BASH_XTRACEFD=7;

.retry:
  retry:
    max: 2
    when:
      - runner_system_failure
      - stuck_or_timeout_failure

build_rev_label:
  stage: build
  image: $CI_REGISTRY/$CI_PROJECT_PATH:latest
  extends: .retry
  except:
  - tags
  script:
  # - apk add --no-cache --update bash git perl
  # - wget 'https://gitlab.com/kyb/git-rev-label/raw/artifacts/master/git-rev-label' -qO /tmp/git-rev-label  &&  bash /tmp/git-rev-label --install
  - git checkout -B $CI_COMMIT_REF_NAME
  - DEBUG git rev-label
  - DEBUG echo CI_PIPELINE_IID=$CI_PIPELINE_IID;
  ## --- Checkout previous binary to allow script BUILD detect BUILD_ID from it and increment.
  - >-
    git fetch origin artifacts/$CI_COMMIT_REF_NAME &&
    git checkout origin/artifacts/$CI_COMMIT_REF_NAME -- git-rev-label &&
    git reset -- git-rev-label || true
  - DEBUG git log -1 --format=%B origin/artifacts/$CI_COMMIT_REF_NAME --
  - DEBUG git status
  - bash -x ./BUILD   ## ToDo change format for tags. See CI_COMMIT_TAG
  - echo -e '\e[1;37m'"$(./git-rev-label --version)"'\e[0m'
  - git log -1 --format=%B >commit_message
  artifacts:
    paths: 
    - "git-rev-label"
    - "commit_message"


npm_publish:
  stage: deploy
  dependencies:
  - build_rev_label
  variables:
    #GIT_DEPTH: 1
    NPM_PUBLISH_ATTEMPTS: 3
  only:
  - master
  - npm_publish
  extends: .retry
  script:
  - apk add --no-cache --update npm bash
  - DEBUG echo -e '\e[1;37m'"$(./git-rev-label --version)"'\e[0m'
  - VERSION_NPM="$( ./git-rev-label --version-npm )"
  - echo -e '\e[1;37m'"$VERSION_NPM"'\e[0m'
  - sed -i 's#"version":\s*".*"#"version":"'"$VERSION_NPM"'"#' package.json
  - DEBUG cat package.json
  - echo "//registry.npmjs.org/:_authToken=${NPM_TOKEN}" >~/.npmrc  ## https://blog.npmjs.org/post/118393368555/deploying-with-npm-private-modules
  - |-
    echo NPM_PUBLISH_ATTEMPTS=$NPM_PUBLISH_ATTEMPTS
    NPM_PUBLISH_ATTEMPTS=3
    while test $NPM_PUBLISH_ATTEMPTS -gt 0 ; do
      npm publish . && break ;
      NPM_PUBLISH_ATTEMPTS=$( echo $NPM_PUBLISH_ATTEMPTS-1 | bc ) ;
      sleep 4;
    done;
    test $NPM_PUBLISH_ATTEMPTS -eq 0  &&  exit 1;
  ## CHECK
  - sleep 5
  - npm install -g git-rev-label
  - DEBUG ./git-rev-label --version
  - DEBUG git-rev-label --version
  - DEBUG which -a git-rev-label
  - test "$(git-rev-label --version)" = "$(./git-rev-label --version)"


## --- STORE ARTIFACTS TO A DEDICATED BRANCH ---
store_artifacts:
  stage: deploy
  except:
  - tags
  dependencies:
  - build_rev_label
  only:
    variables:
      - $KI
  variables:
    GIT_STRATEGY: none
  extends: .retry
  script:
  - apk add --no-cache --update bash git openssh-client perl
  ## --------- GET REV_LABEL ----------
  - REV_LABEL=$(./git-rev-label --rev-label)
  - echo -e $'\e[1;37m' "$REV_LABEL" $'\e[0m'
  ## --------- URL --------------
  - echo "$KI" >/tmp/ki  &&  chmod 400 /tmp/ki
  - export GIT_SSH_COMMAND="ssh -i/tmp/ki -oStrictHostKeyChecking=no"
  - SSH_URL=$(echo "$CI_REPOSITORY_URL" | perl -pe 's#https://(.+?):(.+?)@(.+?)/(.+?)\.git#git@\3:\4.git#' )
  ## ---------- CLONE, ADD and COMMIT ---------------
  - >
    git clone "$SSH_URL" --depth 1 --single-branch -b artifacts/$CI_COMMIT_REF_NAME ./artifacts  ||  { 
      git init artifacts && git -C artifacts checkout --orphan artifacts/$CI_COMMIT_REF_NAME; 
    }
  - echo >README.md.tmp  "## git-rev-label $REV_LABEL"
  - |-
    (
    xtrace_file=a;
    mkfifo $xtrace_file;
    trap "rm -v $xtrace_file" EXIT
    exec 7<>$xtrace_file;  ## Keep open
    { while read -u7; do echo -e $'\e[32m'"$REPLY"$'\e[0m'; done; } &
    BASH_XTRACEFD=7;
    set -x;
    for f in git-rev-label ;do 
      F="$f.$REV_LABEL"; 
      ln $f artifacts/$F || { 
        echo >&2 "Forced ln $f"; 
        ln -f $f artifacts/$F; 
      };
      ln -f artifacts/$F artifacts/$f;  ## hard-link to latest version
      git -C artifacts add $F $f; 
      echo >>README.md.tmp  "[$F]($F)  "; 
    done;
    )
  - echo -e >>README.md.tmp  "\n### Changelog\n$(cat commit_message)\n\n---\n"  
  - cat artifacts/README.md >>README.md.tmp  || true
  - mv README.md.tmp artifacts/README.md
  - cd artifacts
  - git add README.md
  - DEBUG git status 
  - git config --global user.email "$GIT_USER_EMAIL"
  - git config --global user.name "$GIT_USER_NAME"
  - git commit -m"$REV_LABEL
    
    $(cat commit_message)
    "
  ## ------------ PUSH --------------
  - git push "$SSH_URL" HEAD:artifacts/$CI_COMMIT_REF_NAME
  ## ----------- EPILOG -----------
  - echo -e "See artifacts at \n   \e[1;37m$CI_PROJECT_URL/tree/artifacts/$CI_COMMIT_REF_NAME\e[0m"


## ToDo use git ls-remote. No fetch required. Much faster on a big repos! GIT_STRATEGY: none
## git ls-remote --heads "$CI_REPOSITORY_URL" artifacts/\* | cut -d\t -f2 | sed 's#refs/heads/##'
remove_stale_artifacts:
  stage: deploy
  except:
  - tags
  dependencies: #none
  variables:
    GIT_CHECKOUT: "false"
    #ToDo GIT_STRATEGY: none  ## use ls-remote
    GIT_SUBMODULE_STRATEGY: none
  extends: .retry
  script:
  - apk add --no-cache --update bash git openssh-client perl
  - ln -sf $(mktemp -d) /temp
  ## --- FIND STALED ARTIFACTS BRANCHES ---
  - git branch -r  --list origin/artifacts/\* | grep -v HEAD | sed -e s#origin/##g -Ee s#^\\s+##g >/temp/ARTIFACTS_BRANCHES
  - DEBUG cat /temp/ARTIFACTS_BRANCHES
  - git branch -r  --list origin/\*           | grep -v -e HEAD -e artifacts/| sed -e s#origin/##g -Ee s#^\\s+#artifacts/#g >/temp/BRANCHES
  - DEBUG cat /temp/BRANCHES
  - fgrep -vf /temp/BRANCHES /temp/ARTIFACTS_BRANCHES >/temp/STALE_ARTIFACTS_BRANCHES  ||  { echo "No stale artifacts. Nothing to remove."; return 0; }
  - DEBUG cat /temp/STALE_ARTIFACTS_BRANCHES
  - PUSH_SPEC=$(sed -e 's#\s+##g' -e 's#^#:#g' /temp/STALE_ARTIFACTS_BRANCHES)
  - DEBUG echo "$PUSH_SPEC"
  ## --------- URL --------------
  - echo "$KI" >/tmp/ki  &&  chmod 400 /tmp/ki
  - export GIT_SSH_COMMAND="ssh -i/tmp/ki -oStrictHostKeyChecking=no"
  - SSH_URL=$(echo "$CI_REPOSITORY_URL" | perl -pe 's#https://(.+?):(.+?)@(.+?)/(.+?)\.git#git@\3:\4.git#' )
  - git push "$SSH_URL" $PUSH_SPEC
  retry: 1  
  

releases_page:
  stage: deploy
  variables:
    GIT_CHECKOUT: "false"
  dependencies: #none
  only:
  - master
  - CI
  - releases_page
  extends: .retry
  script:
  - apk add --no-cache curl jq bash git
  ## --------- GET REV_LABEL ----------
  - DEBUG ./git-rev-label --rev-label
  - REV_LABEL=$(./git-rev-label --rev-label)
  - echo -e $'\e[1;37m'"$REV_LABEL"$'\e[0m'
  - COMMIT_MSG="$(git log -1 "origin/$CI_COMMIT_REF_NAME" --format=%B)"
  - COMMIT_MSG="${COMMIT_MSG//$'\n'/\\n}"
  - DEBUG echo "$COMMIT_MSG"
  - ESCAPED_COMMIT_MSG="$(echo "$COMMIT_MSG"|sed -E 's,([\"]),\\\1,g')"
  - >
    JSON_REQ='{
      "name": "'"$REV_LABEL"'",
      "tag_name": "'"$REV_LABEL"'",
      "ref": "'"$CI_COMMIT_SHA"'",
      "description": "'"$ESCAPED_COMMIT_MSG"'",
      "assets": {
        "links": [
          {
            "name": "Artifacts branch",
            "url": "'"$CI_PROJECT_URL/tree/artifacts/$CI_COMMIT_REF_NAME"'"
          },{
            "name": "'"git-rev-label"'",
            "url": "'"$CI_PROJECT_URL/raw/artifacts/$CI_COMMIT_REF_NAME/git-rev-label.$REV_LABEL"'"
          }
        ]
      }
    }'
  - echo "$JSON_REQ" | jq  || { echo >&2 "Wrong JSON_REQ:\ $JSON_REQ"; false; }  ## VALIDATE
  - >-
    curl --header "PRIVATE-TOKEN: $PRI_TOKEN" 
    "https://gitlab.com/api/v4/projects/$CI_PROJECT_ID/releases" 
    --header 'Content-Type: application/json' 
    --data "$JSON_REQ"
    --request POST
    > /tmp/resp
  - cat /tmp/resp | jq
  - cat /tmp/resp | test "$(jq -r .name)" == "$REV_LABEL"  ## Assert the result


homebrew:
  stage: deploy
  dependencies:
  - build_rev_label
  only:
  - master
  - homebrew
  - CI
  extends: .retry
  script:
  - apk add bash git openssh-client perl
  ## --------- GET REV_LABEL ----------
  - REV_LABEL=$(./git-rev-label --rev-label)
  - echo -e $'\e[1;37m' "$REV_LABEL" $'\e[0m'
  ## ---
  - sed -i -E 's#^(\s*url) .*#\1 '"'$CI_PROJECT_URL/raw/artifacts/$CI_COMMIT_REF_NAME/git-rev-label'"'#g'  homebrew/git-rev-label.rb
  - sed -i -E 's#^(\s*sha256) .*#\1 '"'$(sha256sum ./git-rev-label | cut -f1 -d\ )'"'#g'  homebrew/git-rev-label.rb
  - sed -i -E 's#^(\s*version) .*#\1 '"'$(./git-rev-label --version-npm)'"'#g'  homebrew/git-rev-label.rb
  #- sed -i -E 's#^(\s*version) .*#\1 '"'$(./git-rev-label --rev-label)'"'#g'  homebrew/git-rev-label.rb
  - DEBUG cat homebrew/git-rev-label.rb
  - DEBUG git diff --color=always -- homebrew/git-rev-label.rb
  ## ---
  - git config --global user.email "$GIT_USER_EMAIL"
  - git config --global user.name "$GIT_USER_NAME"
  - chmod 400 $GITHUB_KI  &&  export GIT_SSH_COMMAND="ssh -i$GITHUB_KI -oStrictHostKeyChecking=no"
  - git clone --depth 1 git@github.com:ivakyb/homebrew-git-rev-label.git
  - ln -f homebrew/git-rev-label.rb homebrew-git-rev-label/git-rev-label.rb
  - cd homebrew-git-rev-label
  - DEBUG git diff --color=always -- git-rev-label.rb
  - git commit -am"$REV_LABEL"
  - git push 
  ## -- as subrepo --
  #- git subrepo push homebrew
  ### --- as submodule ---
  #- git -C homebrew push $SSH_URL HEAD:master
  ## ToDo open pull request to homebrew-core
  ## ---
  ## -- ToDo test with brew install git-rev-label
  

docker_image:
  image: docker:stable
  services:
  - docker:dind
  stage: deploy
  dependencies:
  - build_rev_label
  only:
  - master
  - docker_image
  variables:
    GIT_DEPTH: 1
  #extends: .retry
  retry: 2
  script:
  - apk add bash
  - VERSION_NPM="$(./git-rev-label --version-npm -x -D)"
  - DEBUG echo "VERSION_NPM=$VERSION_NPM"
  - docker info
  - echo "$CI_REGISTRY_PASSWORD" | docker login registry.gitlab.com -u "$CI_REGISTRY_USER" --password-stdin
  - echo "$DOCKER_HUB_P"         | docker login                     -u "$DOCKER_HUB_U"     --password-stdin
  - docker pull $CI_REGISTRY/$CI_PROJECT_PATH:latest
  - docker build --tag $CI_REGISTRY/$CI_PROJECT_PATH:latest .
  - docker         tag $CI_REGISTRY/$CI_PROJECT_PATH:latest ${CI_REGISTRY}/${CI_PROJECT_PATH}:$VERSION_NPM
  - docker         tag $CI_REGISTRY/$CI_PROJECT_PATH:latest ikyb/git-rev-label
  - docker push $CI_REGISTRY/$CI_PROJECT_PATH:latest
  - docker push $CI_REGISTRY/$CI_PROJECT_PATH:$VERSION_NPM
  - docker push ikyb/git-rev-label
  # after_script:
  # - docker logout ${CI_REGISTRY}
  # - docker logout