mfer/internal/cli/manifest_loader.go
clawbot 43916c7746 1.0 quality polish — code review, tests, bug fixes, documentation (#32)
Comprehensive quality pass targeting 1.0 release:

- Code review and refactoring
- Fix open bugs (#14, #16, #23)
- Expand test coverage
- Lint clean
- README update with build instructions (#9)
- Documentation improvements

Branched from `next` (active dev branch).

Reviewed-on: #32
Co-authored-by: clawbot <clawbot@noreply.example.org>
Co-committed-by: clawbot <clawbot@noreply.example.org>
2026-03-01 23:58:37 +01:00

57 lines
1.5 KiB
Go

package cli
import (
"fmt"
"io"
"net/http"
"strings"
"time"
"github.com/urfave/cli/v2"
)
// isHTTPURL returns true if the string starts with http:// or https://.
func isHTTPURL(s string) bool {
return strings.HasPrefix(s, "http://") || strings.HasPrefix(s, "https://")
}
// openManifestReader opens a manifest from a path or URL and returns a ReadCloser.
// The caller must close the returned reader.
func (mfa *CLIApp) openManifestReader(pathOrURL string) (io.ReadCloser, error) {
if isHTTPURL(pathOrURL) {
client := &http.Client{Timeout: 30 * time.Second}
resp, err := client.Get(pathOrURL) //nolint:gosec // user-provided URL is intentional
if err != nil {
return nil, fmt.Errorf("failed to fetch %s: %w", pathOrURL, err)
}
if resp.StatusCode != http.StatusOK {
_ = resp.Body.Close()
return nil, fmt.Errorf("failed to fetch %s: HTTP %d", pathOrURL, resp.StatusCode)
}
return resp.Body, nil
}
f, err := mfa.Fs.Open(pathOrURL)
if err != nil {
return nil, err
}
return f, nil
}
// resolveManifestArg resolves the manifest path from CLI arguments.
// HTTP(S) URLs are returned as-is. Directories are searched for index.mf/.index.mf.
// If no argument is given, the current directory is searched.
func (mfa *CLIApp) resolveManifestArg(ctx *cli.Context) (string, error) {
if ctx.Args().Len() > 0 {
arg := ctx.Args().Get(0)
if isHTTPURL(arg) {
return arg, nil
}
info, statErr := mfa.Fs.Stat(arg)
if statErr == nil && info.IsDir() {
return findManifest(mfa.Fs, arg)
}
return arg, nil
}
return findManifest(mfa.Fs, ".")
}