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Merge pull request #41 from Peefy/mod-graph-cmd
feat: add kcl mod graph command
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "github.com/dominikbraun/graph" | ||
| "github.com/spf13/cobra" | ||
| "kcl-lang.io/kpm/pkg/client" | ||
| "kcl-lang.io/kpm/pkg/env" | ||
| pkg "kcl-lang.io/kpm/pkg/package" | ||
| "kcl-lang.io/kpm/pkg/reporter" | ||
| ) | ||
|
|
||
| const ( | ||
| modGraphDesc = `This command prints the module dependency graph. | ||
| Each module is identified as a string of the form path@version. | ||
| ` | ||
| modGraphExample = ` # Print the current module dependency graph. | ||
| kcl mod graph` | ||
| ) | ||
|
|
||
| // NewModGraphCmd returns the mod graph command. | ||
| func NewModGraphCmd(cli *client.KpmClient) *cobra.Command { | ||
| cmd := &cobra.Command{ | ||
| Use: "graph", | ||
| Short: "prints dependencies", | ||
| Long: modGraphDesc, | ||
| Example: modGraphExample, | ||
| RunE: func(_ *cobra.Command, args []string) error { | ||
| return ModGraph(cli, args) | ||
| }, | ||
| SilenceUsage: true, | ||
| } | ||
| return cmd | ||
| } | ||
|
|
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| func ModGraph(cli *client.KpmClient, args []string) error { | ||
| // acquire the lock of the package cache. | ||
| err := cli.AcquirePackageCacheLock() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| defer func() { | ||
| // release the lock of the package cache after the function returns. | ||
| releaseErr := cli.ReleasePackageCacheLock() | ||
| if releaseErr != nil && err == nil { | ||
| err = releaseErr | ||
| } | ||
| }() | ||
|
|
||
| pwd, err := os.Getwd() | ||
|
|
||
| if err != nil { | ||
| return reporter.NewErrorEvent(reporter.Bug, err, "internal bugs, please contact us to fix it.") | ||
| } | ||
|
|
||
| globalPkgPath, err := env.GetAbsPkgPath() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| kclPkg, err := pkg.LoadKclPkg(pwd) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = kclPkg.ValidateKpmHome(globalPkgPath) | ||
| if err != (*reporter.KpmEvent)(nil) { | ||
| return err | ||
| } | ||
|
|
||
| depGraph, err := cli.GetDependencyGraph(kclPkg) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| adjMap, err := depGraph.AdjacencyMap() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| // Print the dependency graph to stdout. | ||
| root := fmt.Sprintf("%s@%s", kclPkg.GetPkgName(), kclPkg.GetPkgVersion()) | ||
| err = graph.BFS(depGraph, root, func(source string) bool { | ||
| for target := range adjMap[source] { | ||
| reporter.ReportMsgTo( | ||
| fmt.Sprint(source, " ", target), | ||
| cli.GetLogWriter(), | ||
| ) | ||
| } | ||
| return false | ||
| }) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } |
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