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https://github.com/hanzoai/forge.git
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zeekayandHanzo Dev
aa87442fdd
Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
69 lines
1.8 KiB
Go
69 lines
1.8 KiB
Go
// Copyright 2026 Hanzo AI, Inc. 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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"bytes"
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"fmt"
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"strconv"
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"strings"
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"github.com/hanzoai/git/modules/optional"
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)
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var sepSpace = []byte{' '}
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type LsTreeEntry struct {
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ID ObjectID
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EntryMode EntryMode
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Name string
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Size optional.Option[int64]
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}
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func parseLsTreeLine(line []byte) (*LsTreeEntry, error) {
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// expect line to be of the form:
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// <mode> <type> <sha> <space-padded-size>\t<filename>
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// <mode> <type> <sha>\t<filename>
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var err error
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before, after, ok := bytes.Cut(line, []byte{'\t'})
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if !ok {
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return nil, fmt.Errorf("invalid ls-tree output (no tab): %q", line)
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}
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entry := new(LsTreeEntry)
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entryAttrs := before
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entryName := after
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entryMode, entryAttrs, _ := bytes.Cut(entryAttrs, sepSpace)
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_ /* entryType */, entryAttrs, _ = bytes.Cut(entryAttrs, sepSpace) // the type is not used, the mode is enough to determine the type
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entryObjectID, entryAttrs, _ := bytes.Cut(entryAttrs, sepSpace)
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if len(entryAttrs) > 0 {
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entrySize := entryAttrs // the last field is the space-padded-size
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size, _ := strconv.ParseInt(strings.TrimSpace(string(entrySize)), 10, 64)
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entry.Size = optional.Some(size)
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}
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entry.EntryMode = ParseEntryMode(string(entryMode))
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if entry.EntryMode == EntryModeNoEntry {
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return nil, fmt.Errorf("invalid ls-tree output (invalid mode): %q, err: %w", line, err)
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}
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entry.ID, err = NewIDFromString(string(entryObjectID))
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if err != nil {
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return nil, fmt.Errorf("invalid ls-tree output (invalid object id): %q, err: %w", line, err)
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}
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if len(entryName) > 0 && entryName[0] == '"' {
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entry.Name, err = strconv.Unquote(string(entryName))
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if err != nil {
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return nil, fmt.Errorf("invalid ls-tree output (invalid name): %q, err: %w", line, err)
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}
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} else {
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entry.Name = string(entryName)
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}
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return entry, nil
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}
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