Last active
February 16, 2024 09:35
-
-
Save ngalaiko/cd2a855d1a01f406f6fde4b157183801 to your computer and use it in GitHub Desktop.
get the next semver number
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/bash | |
set -o errexit | |
set -o nounset | |
set -o pipefail | |
function help() { | |
local to="$1" | |
echo "Usage: $0 <version> <bump>" 1>&$to | |
echo 1>&$to | |
echo "where:" 1>&$to | |
echo " <version> is a current semver version." 1>&$to | |
echo " <bump> is either 'patch', 'major' or 'minor'." 1>&$to | |
} | |
function error() { | |
echo "error: $@" 1>&2 | |
echo 1>&2 | |
help 2 | |
exit 1 | |
} | |
function info() { | |
echo "$@" | |
} | |
VERSION="$1" | |
BUMP="$2" | |
# https://semver.org/ | |
SEMVER_REGEX="^(0|[1-9][[:digit:]]*)\.(0|[1-9][[:digit:]]*)\.(0|[1-9][[:digit:]]*)(?:-((?:0|[1-9][[:digit:]]*|[[:digit:]]*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9][[:digit:]]*|[[:digit:]]*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$" | |
(echo "$VERSION" | grep -Eq "$SEMVER_REGEX") || error "'$VERSION' not a semver" | |
case "$BUMP" in | |
major) | |
MAJOR="$(($(echo "$VERSION" | cut -d. -f1) + 1))" | |
MINOR="0" | |
PATCH="0" | |
echo "$MAJOR.$MINOR.$PATCH" | |
;; | |
minor) | |
MAJOR="$(echo "$VERSION" | cut -d. -f1)" | |
MINOR="$(($(echo "$VERSION" | cut -d. -f2) + 1))" | |
PATCH="0" | |
echo "$MAJOR.$MINOR.$PATCH" | |
;; | |
patch) | |
MAJOR="$(echo "$VERSION" | cut -d. -f1)" | |
MINOR="$(echo "$VERSION" | cut -d. -f2)" | |
PATCH="$(($(echo "$VERSION" | cut -d. -f3) + 1))" | |
echo "$MAJOR.$MINOR.$PATCH" | |
;; | |
*) | |
error "invalid bump type: $BUMP" | |
;; | |
esac |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment