[BUG] Implement commit mail selection for other Git operations

- Implement the commit mail selection feature for the other supported
Git operations that can be done trough the web UI.
- Adds integration tests (goodluck reviewing this).
- Ref: #1788

Co-authored-by: 0ko <0ko@noreply.codeberg.org>

services/forms/repo_form.go

@@ -808,6 +808,7 @@ type CherryPickForm struct {
 	CommitChoice  string `binding:"Required;MaxSize(50)"`
 	NewBranchName string `binding:"GitRefName;MaxSize(100)"`
 	LastCommit    string
+	CommitMailID  int64 `binding:"Required"`
 	Revert        bool
 	Signoff       bool
 }
@@ -834,6 +835,7 @@ type UploadRepoFileForm struct {
 	CommitChoice  string `binding:"Required;MaxSize(50)"`
 	NewBranchName string `binding:"GitRefName;MaxSize(100)"`
 	Files         []string
+	CommitMailID  int64 `binding:"Required"`
 	Signoff       bool
 }
 
@@ -868,6 +870,7 @@ type DeleteRepoFileForm struct {
 	CommitChoice  string `binding:"Required;MaxSize(50)"`
 	NewBranchName string `binding:"GitRefName;MaxSize(100)"`
 	LastCommit    string
+	CommitMailID  int64 `binding:"Required"`
 	Signoff       bool
 }
 

services/repository/files/upload.go

@@ -25,6 +25,8 @@ type UploadRepoFileOptions struct {
 	NewBranch    string
 	TreePath     string
 	Message      string
+	Author       *IdentityOptions
+	Committer    *IdentityOptions
 	Files        []string // In UUID format.
 	Signoff      bool
 }
@@ -128,9 +130,7 @@ func UploadRepoFiles(ctx context.Context, repo *repo_model.Repository, doer *use
 		return err
 	}
 
-	// make author and committer the doer
-	author := doer
-	committer := doer
+	author, committer := GetAuthorAndCommitterUsers(opts.Author, opts.Committer, doer)
 
 	// Now commit the tree
 	commitHash, err := t.CommitTree(opts.LastCommitID, author, committer, treeHash, opts.Message, opts.Signoff)