Fix missing error check of bufio.Scanner (#29882)

maybe more

(cherry picked from commit 0e183d81fc5283f9d2047472de580e4f04a046c1)

modules/git/commit.go

@@ -9,6 +9,7 @@ import (
 	"bytes"
 	"context"
 	"errors"
+	"fmt"
 	"io"
 	"os/exec"
 	"strconv"
@@ -390,6 +391,10 @@ func (c *Commit) GetSubModules() (*ObjectCache, error) {
 			}
 		}
 	}
+	err = scanner.Err()
+	if err != nil {
+		return nil, fmt.Errorf("scan: %w", err)
+	}
 
 	return c.submoduleCache, nil
 }

modules/git/repo_stats.go

@@ -124,6 +124,10 @@ func (repo *Repository) GetCodeActivityStats(fromTime time.Time, branch string)
 					}
 				}
 			}
+			err = scanner.Err()
+			if err != nil {
+				return fmt.Errorf("scan: %w", err)
+			}
 			a := make([]*CodeActivityAuthor, 0, len(authors))
 			for _, v := range authors {
 				a = append(a, v)

modules/markup/csv/csv.go

@@ -6,6 +6,7 @@ package markup
 import (
 	"bufio"
 	"bytes"
+	"fmt"
 	"html"
 	"io"
 	"regexp"
@@ -123,6 +124,10 @@ func (Renderer) fallbackRender(input io.Reader, tmpBlock *bufio.Writer) error {
 			return err
 		}
 	}
+	err = scan.Err()
+	if err != nil {
+		return fmt.Errorf("scan: %w", err)
+	}
 
 	_, err = tmpBlock.WriteString("</pre>")
 	if err != nil {