57 lines
1.2 KiB
Bash
Executable File
57 lines
1.2 KiB
Bash
Executable File
#!/bin/bash
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set -o errexit
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set -o nounset
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set -o pipefail
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function help() {
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local to="$1"
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echo "Usage: $0 <version> <bump>" 1>&$to
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echo 1>&$to
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echo "where:" 1>&$to
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echo " <version> is a current semver version." 1>&$to
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echo " <bump> is either 'patch', 'major' or 'minor'." 1>&$to
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}
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function error() {
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echo "error: $@" 1>&2
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echo 1>&2
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help 2
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exit 1
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}
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function info() {
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echo "$@"
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}
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VERSION="$1"
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BUMP="$2"
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# https://semver.org/
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SEMVER_REGEX="^(0|[1-9][[:digit:]]*)\.(0|[1-9][[:digit:]]*)\.(0|[1-9][[:digit:]]*)(?:-((?:0|[1-9][[:digit:]]*|[[:digit:]]*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9][[:digit:]]*|[[:digit:]]*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$"
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(echo "$VERSION" | grep -Eq "$SEMVER_REGEX") || error "'$VERSION' not a semver"
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case "$BUMP" in
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major)
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MAJOR="$(($(echo "$VERSION" | cut -d. -f1) + 1))"
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MINOR="0"
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PATCH="0"
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echo "$MAJOR.$MINOR.$PATCH"
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;;
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minor)
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MAJOR="$(echo "$VERSION" | cut -d. -f1)"
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MINOR="$(($(echo "$VERSION" | cut -d. -f2) + 1))"
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PATCH="0"
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echo "$MAJOR.$MINOR.$PATCH"
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;;
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patch)
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MAJOR="$(echo "$VERSION" | cut -d. -f1)"
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MINOR="$(echo "$VERSION" | cut -d. -f2)"
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PATCH="$(($(echo "$VERSION" | cut -d. -f3) + 1))"
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echo "$MAJOR.$MINOR.$PATCH"
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;;
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*)
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error "invalid bump type: $BUMP"
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;;
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esac |