mirror of https://github.com/go-gitea/gitea.git
76 lines
1.8 KiB
Go
76 lines
1.8 KiB
Go
// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package git
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import (
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"bufio"
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"fmt"
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"io"
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"strings"
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)
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// SubModule is a reference on git repository
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type SubModule struct {
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Path string
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URL string
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Branch string // this field is newly added but not really used
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}
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// configParseSubModules this is not a complete parse for gitmodules file, it only
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// parses the url and path of submodules. At the moment it only parses well-formed gitmodules files.
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// In the future, there should be a complete implementation of https://git-scm.com/docs/git-config#_syntax
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func configParseSubModules(r io.Reader) (*ObjectCache[*SubModule], error) {
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var subModule *SubModule
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subModules := newObjectCache[*SubModule]()
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scanner := bufio.NewScanner(r)
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for scanner.Scan() {
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line := strings.TrimSpace(scanner.Text())
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// Skip empty lines and comments
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if line == "" || strings.HasPrefix(line, "#") || strings.HasPrefix(line, ";") {
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continue
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}
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// Section header [section]
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if strings.HasPrefix(line, "[") && strings.HasSuffix(line, "]") {
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if subModule != nil {
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subModules.Set(subModule.Path, subModule)
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}
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if strings.HasPrefix(line, "[submodule") {
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subModule = &SubModule{}
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} else {
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subModule = nil
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}
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continue
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}
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if subModule == nil {
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continue
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}
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parts := strings.SplitN(line, "=", 2)
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if len(parts) != 2 {
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continue
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}
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key := strings.TrimSpace(parts[0])
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value := strings.TrimSpace(parts[1])
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switch key {
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case "path":
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subModule.Path = value
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case "url":
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subModule.URL = value
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case "branch":
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subModule.Branch = value
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}
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}
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if err := scanner.Err(); err != nil {
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return nil, fmt.Errorf("error reading file: %w", err)
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}
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if subModule != nil {
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subModules.Set(subModule.Path, subModule)
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}
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return subModules, nil
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}
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