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Merge pull request #13 from exdial/infra/enable-image-tags
Added tag management
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,4 @@ | ||
| * | ||
| !.dockerignore | ||
| !Dockerfile | ||
| .versions |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| #!/usr/bin/env bash | ||
| # | ||
| # +------------------+----------------------+----------------------+ | ||
| # | x | no tags in repo | repo has tags | | ||
| # |------------------|----------------------|----------------------| | ||
| # | run without args | generate_first_tag() | increment_last_tag() | | ||
| # | run with args | create_new_tag() | create_new_tag() | | ||
| # +------------------+----------------------+----------------------+ | ||
| # | ||
| # There are 4 use cases: | ||
| # 1) If the program is executed without any arguments and | ||
| # no tags have been created yet, the program will initially | ||
| # set the first tag as "v0.0.1". | ||
| # 2) If the program is run without any arguments and there are | ||
| # existing tags in the repository, it will automatically | ||
| # increase the third part of the version (patch). | ||
| # 3) If you run the program with arguments and no tags have been | ||
| # created yet, the programm will check if the argument is in the | ||
| # correct semantic versioning format. If the argument is valid, | ||
| # the program will add a new tag that you specified using those | ||
| # arguments. | ||
| # 4) When running the program with arguments and there are already | ||
| # tags in the repository, it will verify if the argument follows | ||
| # the correct semantic versioning format. If the argument is deemed | ||
| # valid, the program will proceed to add a new tag as per | ||
| # the arguments you specified. | ||
|
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||
| set -eo pipefail | ||
|
|
||
| TAG_PREFIX="v" | ||
| #TAG="$1" | ||
|
|
||
| usage() { | ||
| echo | ||
| echo "Usage: $0 ${TAG_PREFIX}<tag>" | ||
| echo "Example: $0 ${TAG_PREFIX}0.1.2" | ||
| } | ||
|
|
||
| are_there_any_tags() { | ||
| num_of_tags() { | ||
| git tag -l | wc -l | awk '{print $1}' | ||
| } | ||
| if [ "$(num_of_tags)" -eq "0" ]; then | ||
| echo "There are no tags yet." | ||
| false | ||
| else | ||
| echo "Found $(num_of_tags) tags." | ||
| true | ||
| fi | ||
| } | ||
|
|
||
| increment_last_tag() { | ||
| echo "Incrementing last tag..." | ||
| get_last_tag() { | ||
| git tag -l --sort=version:refname "$TAG_PREFIX"* | \ | ||
| tail -n 1 | tr -d 'v' | ||
| } | ||
| MAJOR=$(get_last_tag | cut -d '.' -f1) | ||
| MINOR=$(get_last_tag | cut -d '.' -f2) | ||
| PATCH=$(get_last_tag | cut -d '.' -f3) | ||
| echo "Current tag: ${TAG_PREFIX}${MAJOR}.${MINOR}.${PATCH}." | ||
| let "PATCH++" | ||
| NEW_TAG="${TAG_PREFIX}${MAJOR}.${MINOR}.${PATCH}" | ||
| echo "New tag: ${NEW_TAG}." | ||
| git tag "$NEW_TAG" | ||
| } | ||
|
|
||
| generate_first_tag() { | ||
| echo "Generating first tag..." | ||
| echo New tag: "${TAG_PREFIX}0.0.1" | ||
| git tag "${TAG_PREFIX}0.0.1" | ||
| } | ||
|
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||
| # Check number of arguments | ||
| case "$#" in | ||
| # No tags passed | ||
| 0) | ||
| are_there_any_tags && increment_last_tag || generate_first_tag | ||
| ;; | ||
| # Tag is defined via argument | ||
| 1) | ||
| # Validate the tag has semver format | ||
| if [[ "$1" =~ ^${TAG_PREFIX}[0-9]+\.[0-9]+\.[0-9]+$ ]]; then | ||
| echo "Creating new tag..." | ||
| echo "New tag: ${1}" | ||
| git tag "$1" | ||
| else | ||
| echo "Invalid tag format!" | ||
| usage | ||
| exit 1 | ||
| fi | ||
| ;; | ||
| # Fail if more than 1 argument passed | ||
| *) | ||
| echo "Wrong number of arguments!" | ||
| usage | ||
| exit 1 | ||
| esac |