revert: tea 1.0 rewrite (#1122–#1126) (#1146)

Reverts #1126, #1125, #1124, #1123 and #1122.

`go.mod` keeps the Go 1.26 line with toolchain `go1.26.9` (instead of the original `go1.26.6`) so the security fix from #1131 isn't lost.

reopens #69
reopens #141
reopens #162
reopens #172
reopens #197
reopens #232
reopens #240
reopens #246
reopens #323
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reopens #1087
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reopens #1094
reopens #1110
reopens #1115
reopens #1116
reopens #1118

Reviewed-on: https://gitea.com/gitea/tea/pulls/1146
Reviewed-by: TheFox0x7 <95654+thefox0x7@noreply.gitea.com>

modules/git/remote.go

@@ -0,0 +1,68 @@
+// Copyright 2020 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package git
+
+import (
+	"fmt"
+	"net/url"
+)
+
+// GetRemote tries to match a Remote of the repo via the given URL.
+// Matching is based on the normalized URL, accepting different protocols.
+func (r TeaRepo) GetRemote(remoteURL string) (*Remote, error) {
+	repoURL, err := ParseURL(remoteURL)
+	if err != nil {
+		return nil, err
+	}
+
+	remotes, err := r.Remotes()
+	if err != nil {
+		return nil, err
+	}
+	for _, remote := range remotes {
+		for _, u := range remote.Config().URLs {
+			parsedRemoteURL, err := ParseURL(u)
+			if err != nil {
+				return nil, err
+			}
+			if parsedRemoteURL.Host == repoURL.Host && parsedRemoteURL.Path == repoURL.Path {
+				return remote, nil
+			}
+		}
+	}
+
+	return nil, nil
+}
+
+// GetOrCreateRemote tries to match a Remote of the repo via the given URL.
+// If no match is found, a new Remote with `newRemoteName` is created.
+// Matching is based on the normalized URL, accepting different protocols.
+func (r TeaRepo) GetOrCreateRemote(remoteURL, newRemoteName string) (*Remote, error) {
+	localRemote, err := r.GetRemote(remoteURL)
+	if err != nil {
+		return nil, err
+	}
+
+	if localRemote == nil {
+		if err := r.AddRemote(newRemoteName, remoteURL); err != nil {
+			return nil, err
+		}
+		return r.Remote(newRemoteName)
+	}
+
+	return localRemote, nil
+}
+
+// TeaRemoteURL returns the first url entry for the given remote name.
+func (r TeaRepo) TeaRemoteURL(name string) (auth *url.URL, err error) {
+	remote, err := r.Remote(name)
+	if err != nil {
+		return nil, err
+	}
+	urls := remote.Config().URLs
+	if len(urls) == 0 {
+		return nil, fmt.Errorf("remote %s has no URL configured", name)
+	}
+	return ParseURL(urls[0])
+}