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* first incomplete draft for project config and pre run refactor * adding prerun and terraform 0.9 and above support * partial review * Changes from pull review. Fix approvals * more clean up and refactor of terraform init and environment commands to support terraform 0.9.0 and above * making apply similar to plan for appending extra arguments * review * missed apply executor changes and fixing tests
Versioning Library for Go
go-version is a library for parsing versions and version constraints, and verifying versions against a set of constraints. go-version can sort a collection of versions properly, handles prerelease/beta versions, can increment versions, etc.
Versions used with go-version must follow SemVer.
Installation and Usage
Package documentation can be found on GoDoc.
Installation can be done with a normal go get:
$ go get github.com/hashicorp/go-version
Version Parsing and Comparison
v1, err := version.NewVersion("1.2")
v2, err := version.NewVersion("1.5+metadata")
// Comparison example. There is also GreaterThan, Equal, and just
// a simple Compare that returns an int allowing easy >=, <=, etc.
if v1.LessThan(v2) {
fmt.Printf("%s is less than %s", v1, v2)
}
Version Constraints
v1, err := version.NewVersion("1.2")
// Constraints example.
constraints, err := version.NewConstraint(">= 1.0, < 1.4")
if constraints.Check(v1) {
fmt.Printf("%s satisfies constraints %s", v1, constraints)
}
Version Sorting
versionsRaw := []string{"1.1", "0.7.1", "1.4-beta", "1.4", "2"}
versions := make([]*version.Version, len(versionsRaw))
for i, raw := range versionsRaw {
v, _ := version.NewVersion(raw)
versions[i] = v
}
// After this, the versions are properly sorted
sort.Sort(version.Collection(versions))
Issues and Contributing
If you find an issue with this library, please report an issue. If you'd like, we welcome any contributions. Fork this library and submit a pull request.