74 lines
2.8 KiB
Bash
Executable File
74 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
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# Let's set a sane environment
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set -o errexit
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set -o nounset
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UPDATE_README_COMMIT_AUTHOR_NAME='Travis CI'
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UPDATE_README_COMMIT_AUTHOR_EMAIL='michele@locati.it'
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UPDATE_README_COMMIT_MESSAGE='[skip ci] Automatically update README.md'
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WATCHED_FILES='data/special-requirements data/supported-extensions scripts/common scripts/update-readme scripts/travisci-update-readme'
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SCRIPTS_DIR="$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)"
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. "$SCRIPTS_DIR/common"
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echo 'Checking environment'
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if test -z "${TRAVIS_BUILD_DIR:-}" || test -z "${TRAVIS_BRANCH:-}" || test -z "${TRAVIS_EVENT_TYPE:-}" || test -z "${TRAVIS_REPO_SLUG:-}"; then
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echo 'Not in a TravisCI environment' >&2
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exit 1
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fi
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if test -z "${GUTHUB_ACCESS_TOKEN:-}"; then
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echo 'GitHub access token not set' >&2
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# To create it:
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# - go to https://github.com/settings/tokens/new?scopes=repo
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# - create a new token
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# - sudo apt install -y build-essential ruby ruby-dev
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# - sudo gem install travis
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# - travis encrypt -r <owner>/<repo> GUTHUB_ACCESS_TOKEN=<TOKEN>
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# - Add to .travis.yml:
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# env:
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# global:
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# - secure: "encrypted string"
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exit 1
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fi
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if test "$TRAVIS_EVENT_TYPE" != 'push'; then
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echo 'This script should only be run in push builds' >&2
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exit 1
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fi
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printf 'Checking-out branch %s\n' "$TRAVIS_BRANCH"
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git checkout --force "$TRAVIS_BRANCH"
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LAST_AUTO_UPDATED_IN="$(git -C "$TRAVIS_BUILD_DIR" rev-list --max-count 1 --author "<$UPDATE_README_COMMIT_AUTHOR_EMAIL>" --grep "$UPDATE_README_COMMIT_MESSAGE" "$TRAVIS_BRANCH")"
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if test -z "$LAST_AUTO_UPDATED_IN"; then
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printf 'Rebuild of README.md enabled (no previous automatic refresh of it in branch %s)\n' "$TRAVIS_BRANCH"
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else
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MODIFIED_FILES_SINCE="$(git -C "$TRAVIS_BUILD_DIR" diff --name-only "$LAST_AUTO_UPDATED_IN...$TRAVIS_BRANCH")"
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if test -z "$(commonElements "$WATCHED_FILES" "$MODIFIED_FILES_SINCE")"; then
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printf 'Rebuild of README.md not needed (no relevant files changed in branch %s since commit %s)\n' "$TRAVIS_BRANCH" "$LAST_AUTO_UPDATED_IN"
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exit 0
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fi
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printf 'Rebuild of README.md enabled (relevant files changed in branch %s since commit %s)\n' "$TRAVIS_BRANCH" "$LAST_AUTO_UPDATED_IN"
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fi
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echo 'Updating README.md'
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"$TRAVIS_BUILD_DIR/scripts/update-readme"
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if test -z "$(git -C "$TRAVIS_BUILD_DIR" ls-files -m | grep -E '^README\.md$')"; then
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echo 'README.md has not been changed'
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exit 0
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fi
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printf 'Adding %s remote\n' "$TRAVIS_REPO_SLUG"
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git remote add deploy "https://$GUTHUB_ACCESS_TOKEN@github.com/$TRAVIS_REPO_SLUG.git"
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echo 'Committing changes to README.md'
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git -C "$TRAVIS_BUILD_DIR" config user.name "$UPDATE_README_COMMIT_AUTHOR_NAME"
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git -C "$TRAVIS_BUILD_DIR" config user.email "$UPDATE_README_COMMIT_AUTHOR_EMAIL"
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git -C "$TRAVIS_BUILD_DIR" add README.md
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git -C "$TRAVIS_BUILD_DIR" commit -m "$UPDATE_README_COMMIT_MESSAGE"
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printf 'Pushing to %s\n' "$TRAVIS_REPO_SLUG"
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git push deploy "$TRAVIS_BRANCH"
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echo 'Done.'
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