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Signed-off-by: Carlos Panato <ctadeu@gmail.com>
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,131 @@ | ||
| // | ||
| // Copyright 2021 The Sigstore Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package app | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| "runtime" | ||
| "strings" | ||
| "text/tabwriter" | ||
|
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| "github.com/pkg/errors" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
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| // Base version information. | ||
| // | ||
| // This is the fallback data used when version information from git is not | ||
| // provided via go ldflags (e.g. via Makefile). | ||
| var ( | ||
| // Output of "git describe". The prerequisite is that the branch should be | ||
| // tagged using the correct versioning strategy. | ||
| gitVersion = "unknown" | ||
| // SHA1 from git, output of $(git rev-parse HEAD) | ||
| gitCommit = "unknown" | ||
| // State of git tree, either "clean" or "dirty" | ||
| gitTreeState = "unknown" | ||
| // Build date in ISO8601 format, output of $(date -u +'%Y-%m-%dT%H:%M:%SZ') | ||
| buildDate = "unknown" | ||
| ) | ||
|
|
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| type versionOptions struct { | ||
| json bool | ||
| } | ||
|
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| var versionOpts = &versionOptions{} | ||
|
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| // verifyCmd represents the verify command | ||
| var versionCmd = &cobra.Command{ | ||
| Use: "version", | ||
| Short: "fuilcio-server version", | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| return runVersion(versionOpts) | ||
| }, | ||
| } | ||
|
|
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| func init() { | ||
| versionCmd.PersistentFlags().BoolVarP(&versionOpts.json, "json", "j", false, | ||
| "print JSON instead of text") | ||
| rootCmd.AddCommand(versionCmd) | ||
| } | ||
|
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| func runVersion(opts *versionOptions) error { | ||
| v := VersionInfo() | ||
| res := v.String() | ||
|
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| if opts.json { | ||
| j, err := v.JSONString() | ||
| if err != nil { | ||
| return errors.Wrap(err, "unable to generate JSON from version info") | ||
| } | ||
| res = j | ||
| } | ||
|
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| fmt.Println(res) | ||
| return nil | ||
| } | ||
|
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| type Info struct { | ||
| GitVersion string | ||
| GitCommit string | ||
| GitTreeState string | ||
| BuildDate string | ||
| GoVersion string | ||
| Compiler string | ||
| Platform string | ||
| } | ||
|
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| func VersionInfo() Info { | ||
| // These variables typically come from -ldflags settings and in | ||
| // their absence fallback to the global defaults set above. | ||
| return Info{ | ||
| GitVersion: gitVersion, | ||
| GitCommit: gitCommit, | ||
| GitTreeState: gitTreeState, | ||
| BuildDate: buildDate, | ||
| GoVersion: runtime.Version(), | ||
| Compiler: runtime.Compiler, | ||
| Platform: fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH), | ||
| } | ||
| } | ||
|
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| // String returns the string representation of the version info | ||
| func (i *Info) String() string { | ||
| b := strings.Builder{} | ||
| w := tabwriter.NewWriter(&b, 0, 0, 2, ' ', 0) | ||
|
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| fmt.Fprintf(w, "GitVersion:\t%s\n", i.GitVersion) | ||
| fmt.Fprintf(w, "GitCommit:\t%s\n", i.GitCommit) | ||
| fmt.Fprintf(w, "GitTreeState:\t%s\n", i.GitTreeState) | ||
| fmt.Fprintf(w, "BuildDate:\t%s\n", i.BuildDate) | ||
| fmt.Fprintf(w, "GoVersion:\t%s\n", i.GoVersion) | ||
| fmt.Fprintf(w, "Compiler:\t%s\n", i.Compiler) | ||
| fmt.Fprintf(w, "Platform:\t%s\n", i.Platform) | ||
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| w.Flush() // #nosec | ||
| return b.String() | ||
| } | ||
|
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| // JSONString returns the JSON representation of the version info | ||
| func (i *Info) JSONString() (string, error) { | ||
| b, err := json.MarshalIndent(i, "", " ") | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
|
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| return string(b), nil | ||
| } |
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