Add mutli-pipeline to Gitea (#225)

* Add mutli-pipeline to Gitea client
* Add multi-pipeline to Gitea OAuth client

ref: https://woodpecker.laszlo.cloud/multi-pipeline/

Signed-off-by: Yves-Gaël BILLET <ygbillet@ifotec.com>
Co-authored-by: Yves-Gaël Billet <yg.billet@gmail.com>

remote/gitea/gitea.go

@@ -23,6 +23,8 @@ import (
 	"net"
 	"net/http"
 	"net/url"
+	"path"
+	"path/filepath"
 
 	"code.gitea.io/sdk/gitea"
 	"github.com/woodpecker-ci/woodpecker/model"
@@ -297,7 +299,37 @@ func (c *client) File(u *model.User, r *model.Repo, b *model.Build, f string) ([
 }
 
 func (c *client) Dir(u *model.User, r *model.Repo, b *model.Build, f string) ([]*remote.FileMeta, error) {
-	return nil, fmt.Errorf("Not implemented")
+	var configs []*remote.FileMeta
+
+	client, err := c.newClientToken(u.Token)
+	if err != nil {
+		return nil, err
+	}
+
+	// List files in repository. Path from root
+	tree, _, err := client.GetTrees(r.Owner, r.Name, b.Commit, true)
+	if err != nil {
+		return nil, err
+	}
+
+	f = path.Clean(f) // We clean path and remove trailing slash
+	f += "/" + "*"    // construct pattern for match i.e. file in subdir
+	for _, e := range tree.Entries {
+		// Filter path matching pattern and type file (blob)
+		if m, _ := filepath.Match(f, e.Path); m && e.Type == "blob" {
+			data, err := c.File(u, r, b, e.Path)
+			if err != nil {
+				return nil, fmt.Errorf("multi-pipeline cannot get %s: %s", e.Path, err)
+			}
+
+			configs = append(configs, &remote.FileMeta{
+				Name: e.Path,
+				Data: data,
+			})
+		}
+	}
+
+	return configs, nil
 }
 
 // Status is supported by the Gitea driver.

remote/gitea/gitea_oauth.go

@@ -23,6 +23,8 @@ import (
 	"net"
 	"net/http"
 	"net/url"
+	"path"
+	"path/filepath"
 
 	"code.gitea.io/sdk/gitea"
 	"github.com/woodpecker-ci/woodpecker/model"
@@ -280,7 +282,37 @@ func (c *oauthclient) File(u *model.User, r *model.Repo, b *model.Build, f strin
 }
 
 func (c *oauthclient) Dir(u *model.User, r *model.Repo, b *model.Build, f string) ([]*remote.FileMeta, error) {
-	return nil, fmt.Errorf("Not implemented")
+	var configs []*remote.FileMeta
+
+	client, err := c.newClientToken(u.Token)
+	if err != nil {
+		return nil, err
+	}
+
+	// List files in repository. Path from root
+	tree, _, err := client.GetTrees(r.Owner, r.Name, b.Commit, true)
+	if err != nil {
+		return nil, err
+	}
+
+	f = path.Clean(f) // We clean path and remove trailing slash
+	f += "/" + "*"    // construct pattern for match i.e. file in subdir
+	for _, e := range tree.Entries {
+		// Filter path matching pattern and type file (blob)
+		if m, _ := filepath.Match(f, e.Path); m && e.Type == "blob" {
+			data, err := c.File(u, r, b, e.Path)
+			if err != nil {
+				return nil, fmt.Errorf("multi-pipeline cannot get %s: %s", e.Path, err)
+			}
+
+			configs = append(configs, &remote.FileMeta{
+				Name: e.Path,
+				Data: data,
+			})
+		}
+	}
+
+	return configs, nil
 }
 
 // Status is supported by the Gitea driver.