mirror of
https://github.com/ko-build/ko.git
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42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
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// Copyright 2019 Google LLC All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"fmt"
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"log"
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"os/exec"
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)
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// provided by govvv in compile-time
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var Version string
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func version() {
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if Version == "" {
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hash, err := gitRevParseHead()
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if err != nil {
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log.Fatalf("error during command execution: %v", err)
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}
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fmt.Printf("version: %v", string(hash))
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} else {
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fmt.Printf("version: %v\n", Version)
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}
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}
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func gitRevParseHead() ([]byte, error) {
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cmd := exec.Command("git", "rev-parse", "HEAD")
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return cmd.Output()
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}
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