160 lines
3.5 KiB
Go
160 lines
3.5 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
|
|
// Use of this source code is governed by a MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package git
|
|
|
|
import (
|
|
"sort"
|
|
"strconv"
|
|
"strings"
|
|
)
|
|
|
|
// 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 (
|
|
// EntryModeBlob
|
|
EntryModeBlob EntryMode = 0100644
|
|
// EntryModeExec
|
|
EntryModeExec EntryMode = 0100755
|
|
// EntryModeSymlink
|
|
EntryModeSymlink EntryMode = 0120000
|
|
// EntryModeCommit
|
|
EntryModeCommit EntryMode = 0160000
|
|
// EntryModeTree
|
|
EntryModeTree EntryMode = 0040000
|
|
)
|
|
|
|
// TreeEntry the leaf in the git tree
|
|
type TreeEntry struct {
|
|
ID SHA1
|
|
Type ObjectType
|
|
|
|
mode EntryMode
|
|
name string
|
|
|
|
ptree *Tree
|
|
|
|
commited bool
|
|
|
|
size int64
|
|
sized bool
|
|
}
|
|
|
|
// Name returns the name of the entry
|
|
func (te *TreeEntry) Name() string {
|
|
return te.name
|
|
}
|
|
|
|
// Size returns the size of the entry
|
|
func (te *TreeEntry) Size() int64 {
|
|
if te.IsDir() {
|
|
return 0
|
|
} else if te.sized {
|
|
return te.size
|
|
}
|
|
|
|
stdout, err := NewCommand("cat-file", "-s", te.ID.String()).RunInDir(te.ptree.repo.Path)
|
|
if err != nil {
|
|
return 0
|
|
}
|
|
|
|
te.sized = true
|
|
te.size, _ = strconv.ParseInt(strings.TrimSpace(stdout), 10, 64)
|
|
return te.size
|
|
}
|
|
|
|
// IsSubModule if the entry is a sub module
|
|
func (te *TreeEntry) IsSubModule() bool {
|
|
return te.mode == EntryModeCommit
|
|
}
|
|
|
|
// IsDir if the entry is a sub dir
|
|
func (te *TreeEntry) IsDir() bool {
|
|
return te.mode == EntryModeTree
|
|
}
|
|
|
|
// IsLink if the entry is a symlink
|
|
func (te *TreeEntry) IsLink() bool {
|
|
return te.mode == EntryModeSymlink
|
|
}
|
|
|
|
// Blob retrun the blob object the entry
|
|
func (te *TreeEntry) Blob() *Blob {
|
|
return &Blob{
|
|
repo: te.ptree.repo,
|
|
TreeEntry: te,
|
|
}
|
|
}
|
|
|
|
// GetSubJumpablePathName return the full path of subdirectory jumpable ( contains only one directory )
|
|
func (te *TreeEntry) GetSubJumpablePathName() string {
|
|
if te.IsSubModule() || !te.IsDir() {
|
|
return ""
|
|
}
|
|
tree, err := te.ptree.SubTree(te.name)
|
|
if err != nil {
|
|
return te.name
|
|
}
|
|
entries, _ := tree.ListEntries()
|
|
if len(entries) == 1 && entries[0].IsDir() {
|
|
name := entries[0].GetSubJumpablePathName()
|
|
if name != "" {
|
|
return te.name + "/" + name
|
|
}
|
|
}
|
|
return te.name
|
|
}
|
|
|
|
// Entries a list of entry
|
|
type Entries []*TreeEntry
|
|
|
|
type customSortableEntries struct {
|
|
Comparer func(s1, s2 string) bool
|
|
Entries
|
|
}
|
|
|
|
var sorter = []func(t1, t2 *TreeEntry, cmp func(s1, s2 string) bool) bool{
|
|
func(t1, t2 *TreeEntry, cmp func(s1, s2 string) bool) bool {
|
|
return (t1.IsDir() || t1.IsSubModule()) && !t2.IsDir() && !t2.IsSubModule()
|
|
},
|
|
func(t1, t2 *TreeEntry, cmp func(s1, s2 string) bool) bool {
|
|
return cmp(t1.name, t2.name)
|
|
},
|
|
}
|
|
|
|
func (ctes customSortableEntries) Len() int { return len(ctes.Entries) }
|
|
|
|
func (ctes customSortableEntries) Swap(i, j int) {
|
|
ctes.Entries[i], ctes.Entries[j] = ctes.Entries[j], ctes.Entries[i]
|
|
}
|
|
|
|
func (ctes customSortableEntries) Less(i, j int) bool {
|
|
t1, t2 := ctes.Entries[i], ctes.Entries[j]
|
|
var k int
|
|
for k = 0; k < len(sorter)-1; k++ {
|
|
s := sorter[k]
|
|
switch {
|
|
case s(t1, t2, ctes.Comparer):
|
|
return true
|
|
case s(t2, t1, ctes.Comparer):
|
|
return false
|
|
}
|
|
}
|
|
return sorter[k](t1, t2, ctes.Comparer)
|
|
}
|
|
|
|
// Sort sort the list of entry
|
|
func (tes Entries) Sort() {
|
|
sort.Sort(customSortableEntries{func(s1, s2 string) bool {
|
|
return s1 < s2
|
|
}, tes})
|
|
}
|
|
|
|
// CustomSort customizable string comparing sort entry list
|
|
func (tes Entries) CustomSort(cmp func(s1, s2 string) bool) {
|
|
sort.Sort(customSortableEntries{cmp, tes})
|
|
}
|