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Implement --check flag for fmt

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This commit is contained in:
Nathan Sarang-Walters 2024-12-16 15:09:31 -08:00
parent 1ea36d5d39
commit 1240b90475
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GPG key ID: D5486C14E4309B0E
2 changed files with 27 additions and 4 deletions
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24
d2cli/fmt.go
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@ -12,9 +12,10 @@ import (
"oss.terrastruct.com/d2/d2format"
"oss.terrastruct.com/d2/d2parser"
"oss.terrastruct.com/d2/lib/log"
)
func fmtCmd(ctx context.Context, ms *xmain.State) (err error) {
func fmtCmd(ctx context.Context, ms *xmain.State, check bool) (err error) {
defer xdefer.Errorf(&err, "failed to fmt")
ms.Opts = xmain.NewOpts(ms.Env, ms.Opts.Flags.Args()[1:])
@ -22,6 +23,8 @@ func fmtCmd(ctx context.Context, ms *xmain.State) (err error) {
return xmain.UsageErrorf("fmt must be passed at least one file to be formatted")
}
unformattedCount := 0
for _, inputPath := range ms.Opts.Args {
if inputPath != "-" {
inputPath = ms.AbsPath(inputPath)
@ -43,10 +46,25 @@ func fmtCmd(ctx context.Context, ms *xmain.State) (err error) {
output := []byte(d2format.Format(m))
if !bytes.Equal(output, input) {
if err := ms.WritePath(inputPath, output); err != nil {
return err
if check {
unformattedCount += 1
log.Warn(ctx, inputPath)
} else {
if err := ms.WritePath(inputPath, output); err != nil {
return err
}
}
}
}
if unformattedCount > 0 {
pluralFiles := "file"
if unformattedCount > 1 {
pluralFiles = "files"
}
return xmain.ExitErrorf(1, "found %d unformatted %s. Run d2 fmt to fix.", unformattedCount, pluralFiles)
}
return nil
}

7
d2cli/main.go
View file

@ -119,6 +119,11 @@ func Run(ctx context.Context, ms *xmain.State) (err error) {
fontBoldFlag := ms.Opts.String("D2_FONT_BOLD", "font-bold", "", "", "path to .ttf file to use for the bold font. If none provided, Source Sans Pro Bold is used.")
fontSemiboldFlag := ms.Opts.String("D2_FONT_SEMIBOLD", "font-semibold", "", "", "path to .ttf file to use for the semibold font. If none provided, Source Sans Pro Semibold is used.")
checkFlag, err := ms.Opts.Bool("D2_CHECK", "check", "", false, "check that the specified files are formatted correctly.")
if err != nil {
return err
}
plugins, err := d2plugin.ListPlugins(ctx)
if err != nil {
return err
@ -153,7 +158,7 @@ func Run(ctx context.Context, ms *xmain.State) (err error) {
themesCmd(ctx, ms)
return nil
case "fmt":
return fmtCmd(ctx, ms)
return fmtCmd(ctx, ms, *checkFlag)
case "version":
if len(ms.Opts.Flags.Args()) > 1 {
return xmain.UsageErrorf("version subcommand accepts no arguments")