semver is a command-line tool to parse "Semantic Versioning 2.0.0".
Go is required to install semver. Please run go get as follows.
$ go install github.com/masa213f/semver/cmd/[email protected]Specify the version number (string) as the argument of semver.
If the version number is parsed successfully, this command outputs the result as follows.
At this time, 0 is returned as the exit status.
$ semver v1.2.3-rc.0+build.20190925
prefix: v
version: 1.2.3-rc.0+build.20190925
major: 1
minor: 2
patch: 3
prerelease: rc.0
build: build.20190925
# => exit status: 0If you specify the --json option, the result will be output in JSON format.
$ semver v1.2.3-rc.0+build.20190925 --json
{
"prefix": "v",
"version": "1.2.3-rc.0+build.20190925",
"major": 1,
"minor": 2,
"patch": 3,
"prerelease": [
"rc",
"0"
],
"build": [
"build",
"20190925"
]
}
# => exit status: 0If the argument does not follow "Semantic Versioning 2.0.0", 1 will be returned as the exit status.
$ semver v1.12
parse error: format error
# => exit status: 1
$ semver v1.01.0
parse error: invalid numeric identifier (leading zeros): minor = 01
# => exit status: 1You can also specify the -p(--is-prerelease) option to determine the pre-release version.
$ semver -p v1.1.2-rc.0
prerelease: rc.0
# => exit status: 0
$ semver -p v1.1.2
official version: version = 1.1.2
# => exit status: 2
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