mirror of https://github.com/go-gitea/gitea.git
116 lines
3.0 KiB
Go
116 lines
3.0 KiB
Go
package commands
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import (
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"encoding/json"
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"errors"
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"io/ioutil"
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"log"
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"os"
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"github.com/go-openapi/loads"
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"github.com/go-swagger/go-swagger/cmd/swagger/commands/diff"
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)
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// JSONFormat for json
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const JSONFormat = "json"
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// DiffCommand is a command that generates the diff of two swagger specs.
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//
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// There are no specific options for this expansion.
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type DiffCommand struct {
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OnlyBreakingChanges bool `long:"break" short:"b" description:"When present, only shows incompatible changes"`
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Format string `long:"format" short:"f" description:"When present, writes output as json" default:"txt" choice:"txt" choice:"json"`
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IgnoreFile string `long:"ignore" short:"i" description:"Exception file of diffs to ignore (copy output from json diff format)" default:"none specified"`
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Destination string `long:"dest" short:"d" description:"Output destination file or stdout" default:"stdout"`
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}
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// Execute diffs the two specs provided
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func (c *DiffCommand) Execute(args []string) error {
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if len(args) != 2 {
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msg := `missing arguments for diff command (use --help for more info)`
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return errors.New(msg)
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}
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log.Println("Run Config:")
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log.Printf("Spec1: %s", args[0])
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log.Printf("Spec2: %s", args[1])
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log.Printf("ReportOnlyBreakingChanges (-c) :%v", c.OnlyBreakingChanges)
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log.Printf("OutputFormat (-f) :%s", c.Format)
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log.Printf("IgnoreFile (-i) :%s", c.IgnoreFile)
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log.Printf("Diff Report Destination (-d) :%s", c.Destination)
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diffs, err := getDiffs(args[0], args[1])
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if err != nil {
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return err
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}
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ignores, err := readIgnores(c.IgnoreFile)
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if err != nil {
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return err
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}
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diffs = diffs.FilterIgnores(ignores)
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if len(ignores) > 0 {
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log.Printf("Diff Report Ignored Items from IgnoreFile")
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for _, eachItem := range ignores {
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log.Printf("%s", eachItem.String())
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}
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}
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if c.Format == JSONFormat {
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err = diffs.ReportAllDiffs(true)
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if err != nil {
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return err
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}
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} else {
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if c.OnlyBreakingChanges {
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err = diffs.ReportCompatibility()
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} else {
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err = diffs.ReportAllDiffs(false)
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}
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}
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return err
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}
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func readIgnores(ignoreFile string) (diff.SpecDifferences, error) {
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ignoreDiffs := diff.SpecDifferences{}
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if ignoreFile == "none specified" {
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return ignoreDiffs, nil
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}
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// Open our jsonFile
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jsonFile, err := os.Open(ignoreFile)
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// if we os.Open returns an error then handle it
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if err != nil {
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return nil, err
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}
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// defer the closing of our jsonFile so that we can parse it later on
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defer jsonFile.Close()
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byteValue, err := ioutil.ReadAll(jsonFile)
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if err != nil {
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return nil, err
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}
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// def
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err = json.Unmarshal(byteValue, &ignoreDiffs)
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if err != nil {
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return nil, err
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}
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return ignoreDiffs, nil
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}
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func getDiffs(oldSpecPath, newSpecPath string) (diff.SpecDifferences, error) {
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swaggerDoc1 := oldSpecPath
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specDoc1, err := loads.Spec(swaggerDoc1)
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if err != nil {
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return nil, err
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}
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swaggerDoc2 := newSpecPath
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specDoc2, err := loads.Spec(swaggerDoc2)
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if err != nil {
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return nil, err
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}
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return diff.Compare(specDoc1.Spec(), specDoc2.Spec())
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}
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