127 lines
4.6 KiB
Bash
Executable File
127 lines
4.6 KiB
Bash
Executable File
#!/bin/bash
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# Exit early
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# See: https://www.gnu.org/savannah-checkouts/gnu/bash/manual/bash.html#The-Set-Builtin
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set -e
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# About:
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#
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# This is a helper script to tag and push a new release. GitHub Actions use
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# release tags to allow users to select a specific version of the action to use.
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#
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# See: https://github.com/actions/typescript-action#publishing-a-new-release
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# See: https://github.com/actions/toolkit/blob/master/docs/action-versioning.md#recommendations
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#
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# This script will do the following:
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#
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# 1. Retrieve the latest release tag
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# 2. Display the latest release tag
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# 3. Prompt the user for a new release tag
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# 4. Validate the new release tag
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# 5. Remind user to update the version field in package.json
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# 6. Tag a new release
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# 7. Set 'is_major_release' variable
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# 8. Point separate major release tag (e.g. v1, v2) to the new release
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# 9. Push the new tags (with commits, if any) to remote
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# 10. If this is a major release, create a 'releases/v#' branch and push
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#
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# Usage:
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#
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# script/release
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# Variables
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semver_tag_regex='v[0-9]+\.[0-9]+\.[0-9]+$'
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semver_tag_glob='v[0-9].[0-9].[0-9]*'
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git_remote='origin'
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major_semver_tag_regex='\(v[0-9]*\)'
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# Terminal colors
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OFF='\033[0m'
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BOLD_RED='\033[1;31m'
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BOLD_GREEN='\033[1;32m'
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BOLD_BLUE='\033[1;34m'
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BOLD_PURPLE='\033[1;35m'
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BOLD_UNDERLINED='\033[1;4m'
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BOLD='\033[1m'
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# 1. Retrieve the latest release tag
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if ! latest_tag=$(git describe --abbrev=0 --match="$semver_tag_glob"); then
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# There are no existing release tags
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echo -e "No tags found (yet) - Continue to create and push your first tag"
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latest_tag="[unknown]"
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fi
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# 2. Display the latest release tag
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echo -e "The latest release tag is: ${BOLD_BLUE}${latest_tag}${OFF}"
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# 3. Prompt the user for a new release tag
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read -r -p 'Enter a new release tag (vX.X.X format): ' new_tag
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# 4. Validate the new release tag
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if echo "$new_tag" | grep -q -E "$semver_tag_regex"; then
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# Release tag is valid
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echo -e "Tag: ${BOLD_BLUE}$new_tag${OFF} is valid syntax"
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else
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# Release tag is not in `vX.X.X` format
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echo -e "Tag: ${BOLD_BLUE}$new_tag${OFF} is ${BOLD_RED}not valid${OFF} (must be in ${BOLD}vX.X.X${OFF} format)"
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exit 1
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fi
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# 5. Remind user to update the version field in package.json
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echo -e -n "Make sure the version field in package.json is ${BOLD_BLUE}$new_tag${OFF}. Yes? [Y/${BOLD_UNDERLINED}n${OFF}] "
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read -r YN
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if [[ ! ($YN == "y" || $YN == "Y") ]]; then
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# Package.json version field is not up to date
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echo -e "Please update the package.json version to ${BOLD_PURPLE}$new_tag${OFF} and commit your changes"
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exit 1
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fi
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# 6. Tag a new release
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git tag "$new_tag" --annotate --message "$new_tag Release"
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echo -e "Tagged: ${BOLD_GREEN}$new_tag${OFF}"
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# 7. Set 'is_major_release' variable
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latest_major_release_tag=$(expr "$latest_tag" : "$major_semver_tag_regex")
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new_major_release_tag=$(expr "$new_tag" : "$major_semver_tag_regex")
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if ! [[ "$new_major_release_tag" = "$latest_major_release_tag" ]]; then
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is_major_release='yes'
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else
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is_major_release='no'
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fi
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# 8. Point separate major release tag (e.g. v1, v2) to the new release
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if [ $is_major_release = 'yes' ]; then
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# Create a new major verison tag and point it to this release
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git tag "$new_major_release_tag" --annotate --message "$new_major_release_tag Release"
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echo -e "New major version tag: ${BOLD_GREEN}$new_major_release_tag${OFF}"
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else
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# Update the major verison tag to point it to this release
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git tag "$latest_major_release_tag" --force --annotate --message "Sync $latest_major_release_tag tag with $new_tag"
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echo -e "Synced ${BOLD_GREEN}$latest_major_release_tag${OFF} with ${BOLD_GREEN}$new_tag${OFF}"
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fi
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# 9. Push the new tags (with commits, if any) to remote
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git push --follow-tags
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if [ $is_major_release = 'yes' ]; then
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# New major version tag is pushed with the '--follow-tags' flags
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echo -e "Tags: ${BOLD_GREEN}$new_major_release_tag${OFF} and ${BOLD_GREEN}$new_tag${OFF} pushed to remote"
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else
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# Force push the updated major version tag
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git push $git_remote "$latest_major_release_tag" --force
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echo -e "Tags: ${BOLD_GREEN}$latest_major_release_tag${OFF} and ${BOLD_GREEN}$new_tag${OFF} pushed to remote"
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fi
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# 10. If this is a major release, create a 'releases/v#' branch and push
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if [ $is_major_release = 'yes' ]; then
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git branch "releases/$latest_major_release_tag" "$latest_major_release_tag"
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echo -e "Branch: ${BOLD_BLUE}releases/$latest_major_release_tag${OFF} created from ${BOLD_BLUE}$latest_major_release_tag${OFF} tag"
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git push --set-upstream $git_remote "releases/$latest_major_release_tag"
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echo -e "Branch: ${BOLD_GREEN}releases/$latest_major_release_tag${OFF} pushed to remote"
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fi
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# Completed
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echo -e "${BOLD_GREEN}Done!${OFF}"
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