Function installRequirementsToTarget

pkg/python/python.go:759–789

(ctx *gcp.Context, targetPath string, reqs []string, cmdBuilder func(string) []string)

		content, err := os.ReadFile(req)
		if err != nil {
			return fmt.Errorf("failed to read requirements file %q: %w", req, err)
		}
		if _, err := destFile.Write(content); err != nil {
			return fmt.Errorf("failed to write to destination file: %w", err)
		}
		// Add a newline to ensure files are separated correctly
		if _, err := destFile.Write([]byte("\n")); err != nil {
			return err
		}
	}
	return nil
}

func installRequirementsToTarget(ctx *gcp.Context, targetPath string, reqs []string, cmdBuilder func(string) []string) error {
	if len(reqs) == 0 {
		return nil
	}

	reqFile := reqs[0]

	if len(reqs) > 1 {
		// Create a temporary file to merge all requirements
		tmpFile, err := os.CreateTemp("", "merged_requirements_*.txt")
		if err != nil {
			return fmt.Errorf("failed to create temp file for requirements: %w", err)
		}
		tmpFile.Close()
		defer os.Remove(tmpFile.Name())

		if err := mergeRequirementsFiles(reqs, tmpFile.Name()); err != nil {
			return err
		}
		reqFile = tmpFile.Name()
	}