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// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package git
import (
"fmt"
"strconv"
)
// EntryMode the type of the object in the git tree
type EntryMode int
// There are only a few file modes in Git. They look like unix file modes, but they can only be
// one of these.
const (
// EntryModeNoEntry is possible if the file was added or removed in a commit. In the case of
// when adding the base commit doesn't have the file in its tree, a mode of 0o000000 is used.
EntryModeNoEntry EntryMode = 0o000000
EntryModeBlob EntryMode = 0o100644
EntryModeExec EntryMode = 0o100755
EntryModeSymlink EntryMode = 0o120000
EntryModeCommit EntryMode = 0o160000
EntryModeTree EntryMode = 0o040000
)
// String converts an EntryMode to a string
func (e EntryMode) String() string {
return strconv.FormatInt(int64(e), 8)
}
// IsSubModule if the entry is a submodule
func (e EntryMode) IsSubModule() bool {
return e == EntryModeCommit
}
// IsDir if the entry is a sub dir
func (e EntryMode) IsDir() bool {
return e == EntryModeTree
}
// IsLink if the entry is a symlink
func (e EntryMode) IsLink() bool {
return e == EntryModeSymlink
}
// IsRegular if the entry is a regular file
func (e EntryMode) IsRegular() bool {
return e == EntryModeBlob
}
// IsExecutable if the entry is an executable file (not necessarily binary)
func (e EntryMode) IsExecutable() bool {
return e == EntryModeExec
}
func ParseEntryMode(mode string) (EntryMode, error) {
switch mode {
case "000000":
return EntryModeNoEntry, nil
case "100644":
return EntryModeBlob, nil
case "100755":
return EntryModeExec, nil
case "120000":
return EntryModeSymlink, nil
case "160000":
return EntryModeCommit, nil
case "040000", "040755": // git uses 040000 for tree object, but some users may get 040755 for unknown reasons
return EntryModeTree, nil
default:
return 0, fmt.Errorf("unparsable entry mode: %s", mode)
}
}
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