mirror of
https://github.com/reecetech/version-increment.git
synced 2025-12-20 22:15:43 +00:00
67 lines
2.4 KiB
Bash
Executable File
67 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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# https://stackoverflow.com/questions/59895/get-the-source-directory-of-a-bash-script-from-within-the-script-itself
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script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
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# shellcheck source=shared.sh
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source "${script_dir}/shared.sh"
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scheme="${INPUT_SCHEME:-semver}"
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if [[ "${scheme}" != 'semver' && "${scheme}" != 'calver' ]] ; then
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echo "🛑 Value of 'scheme' is not valid, choose from 'semver' or 'calver'" 1>&2
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exit 8
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fi
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##==----------------------------------------------------------------------------
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## MacOS compatibility - for local testing
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export grep="grep"
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if [[ "$(uname)" == "Darwin" ]] ; then
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export grep="ggrep"
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if ! grep --version 1>/dev/null ; then
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echo "🛑 GNU grep not installed, try brew install coreutils" 1>&2
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exit 9
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fi
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fi
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##==----------------------------------------------------------------------------
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## Get tags from GitHub repo
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# Skip if testing, otherwise pull tags
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if [[ -z "${BATS_VERSION:-}" ]] ; then
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git fetch --quiet origin 'refs/tags/*:refs/tags/*'
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fi
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##==----------------------------------------------------------------------------
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## Version parsing
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# detect current version - removing "v" from start of tag if it exists
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current_version="$(git tag -l | { ${grep} -P "${pcre_allow_vprefix}" || true; } | sed 's/^v//g' | sort -V --reverse | head -n1)"
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# support transition from an old reecetech calver style (yyyy-mm-Rr, where R is the literal `R`, and r is the nth release for the month)
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if [[ -z "${current_version:-}" ]] ; then
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current_version="$(git tag -l | { ${grep} -P "${pcre_old_calver}" || true; } | sort -V --reverse | head -n1)"
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if [[ -n "${current_version:-}" ]] ; then
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# convert - to . and drop leading zeros & the R
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current_version="$(echo "${current_version}" | sed -r 's/^([0-9]+)-0{0,1}([0-9]+)-R0{0,1}([0-9]+)$/\1.\2.\3/')"
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fi
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fi
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# handle no version detected - start versioning!
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if [[ -z "${current_version:-}" ]] ; then
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echo "⚠️ No previous release version identified in git tags"
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# brand new repo! (probably)
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case "${scheme}" in
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semver)
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current_version="0.0.0"
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;;
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calver)
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current_version="$(date '+%Y.%-m.0')"
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;;
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esac
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fi
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echo "ℹ️ The current normal version is ${current_version}"
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echo "::set-output name=current-version::${current_version}"
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