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internal/pkg: create symlinks for files
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These are much easier to handle than hard links and should be just as transparent for this use case.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra
2026-01-04 01:48:53 +09:00
parent d76b9d04b8
commit 3eb927823f
4 changed files with 17 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
internal/pkg/dir_test.go
View File

@@ -39,10 +39,10 @@ func TestFlatten(t *testing.T) {
"checksum/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq": {Mode: 0400, Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
"identifier": {Mode: fs.ModeDir | 0700},
"identifier/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX": {Mode: 0400, Data: []byte{0}},
"identifier/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq": {Mode: 0400, Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
"identifier/cafebabecafebabecafebabecafebabecafebabecafebabecafebabecafebabe": {Mode: 0400, Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
"identifier/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef": {Mode: 0400, Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
"identifier/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX": {Mode: fs.ModeSymlink | 0777, Data: []byte("../checksum/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX")},
"identifier/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq": {Mode: fs.ModeSymlink | 0777, Data: []byte("../checksum/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq")},
"identifier/cafebabecafebabecafebabecafebabecafebabecafebabecafebabecafebabe": {Mode: fs.ModeSymlink | 0777, Data: []byte("../checksum/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq")},
"identifier/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef": {Mode: fs.ModeSymlink | 0777, Data: []byte("../checksum/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq")},
"work": {Mode: fs.ModeDir | 0700},
}, []pkg.FlatEntry{
@@ -53,13 +53,13 @@ func TestFlatten(t *testing.T) {
{Mode: 0400, Path: "checksum/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX", Data: []byte{0}},
{Mode: fs.ModeDir | 0700, Path: "identifier"},
{Mode: 0400, Path: "identifier/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq", Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
{Mode: 0400, Path: "identifier/cafebabecafebabecafebabecafebabecafebabecafebabecafebabecafebabe", Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
{Mode: 0400, Path: "identifier/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef", Data: []byte{0, 0, 0, 0, 0xad, 0xb, 0, 4, 0xfe, 0xfe, 0, 0, 0xfe, 0xca, 0, 0}},
{Mode: 0400, Path: "identifier/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX", Data: []byte{0}},
{Mode: fs.ModeSymlink | 0777, Path: "identifier/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq", Data: []byte("../checksum/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq")},
{Mode: fs.ModeSymlink | 0777, Path: "identifier/cafebabecafebabecafebabecafebabecafebabecafebabecafebabecafebabe", Data: []byte("../checksum/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq")},
{Mode: fs.ModeSymlink | 0777, Path: "identifier/deadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef", Data: []byte("../checksum/0bSFPu5Tnd-2Jj0Mv6co23PW2t3BmHc7eLFj9TgY3eIBg8zislo7xZYNBqovVLcq")},
{Mode: fs.ModeSymlink | 0777, Path: "identifier/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX", Data: []byte("../checksum/vsAhtPNo4waRNOASwrQwcIPTqb3SBuJOXw2G4T1mNmVZM-wrQTRllmgXqcIIoRcX")},
{Mode: fs.ModeDir | 0700, Path: "work"},
}, pkg.MustDecode("G4u4W77C3u46oSAzwPTERKbS9h76iIvcd7Zl8p8Y6hTMb4_QGpH0Glg_DIJg-Usa")},
}, pkg.MustDecode("St9rlE-mGZ5gXwiv_hzQ_B8bZP-UUvSNmf4nHUZzCMOumb6hKnheZSe0dmnuc4Q2")},
{"sample load or store", fstest.MapFS{
".": {Mode: fs.ModeDir | 0700},
@@ -68,7 +68,7 @@ func TestFlatten(t *testing.T) {
"checksum/fLYGIMHgN1louE-JzITJZJo2SDniPu-IHBXubtvQWFO-hXnDVKNuscV7-zlyr5fU": {Mode: 0400, Data: []byte("\x7f\xe1\x69\xa2\xdd\x63\x96\x26\x83\x79\x61\x8b\xf0\x3f\xd5\x16\x9a\x39\x3a\xdb\xcf\xb1\xbc\x8d\x33\xff\x75\xee\x62\x56\xa9\xf0\x27\xac\x13\x94\x69")},
"identifier": {Mode: fs.ModeDir | 0700},
"identifier/fLYGIMHgN1louE-JzITJZJo2SDniPu-IHBXubtvQWFO-hXnDVKNuscV7-zlyr5fU": {Mode: 0400, Data: []byte("\x7f\xe1\x69\xa2\xdd\x63\x96\x26\x83\x79\x61\x8b\xf0\x3f\xd5\x16\x9a\x39\x3a\xdb\xcf\xb1\xbc\x8d\x33\xff\x75\xee\x62\x56\xa9\xf0\x27\xac\x13\x94\x69")},
"identifier/fLYGIMHgN1louE-JzITJZJo2SDniPu-IHBXubtvQWFO-hXnDVKNuscV7-zlyr5fU": {Mode: fs.ModeSymlink | 0777, Data: []byte("../checksum/fLYGIMHgN1louE-JzITJZJo2SDniPu-IHBXubtvQWFO-hXnDVKNuscV7-zlyr5fU")},
"work": {Mode: fs.ModeDir | 0700},
}, []pkg.FlatEntry{
@@ -78,10 +78,10 @@ func TestFlatten(t *testing.T) {
{Mode: 0400, Path: "checksum/fLYGIMHgN1louE-JzITJZJo2SDniPu-IHBXubtvQWFO-hXnDVKNuscV7-zlyr5fU", Data: []byte("\x7f\xe1\x69\xa2\xdd\x63\x96\x26\x83\x79\x61\x8b\xf0\x3f\xd5\x16\x9a\x39\x3a\xdb\xcf\xb1\xbc\x8d\x33\xff\x75\xee\x62\x56\xa9\xf0\x27\xac\x13\x94\x69")},
{Mode: fs.ModeDir | 0700, Path: "identifier"},
{Mode: 0400, Path: "identifier/fLYGIMHgN1louE-JzITJZJo2SDniPu-IHBXubtvQWFO-hXnDVKNuscV7-zlyr5fU", Data: []byte("\x7f\xe1\x69\xa2\xdd\x63\x96\x26\x83\x79\x61\x8b\xf0\x3f\xd5\x16\x9a\x39\x3a\xdb\xcf\xb1\xbc\x8d\x33\xff\x75\xee\x62\x56\xa9\xf0\x27\xac\x13\x94\x69")},
{Mode: fs.ModeSymlink | 0777, Path: "identifier/fLYGIMHgN1louE-JzITJZJo2SDniPu-IHBXubtvQWFO-hXnDVKNuscV7-zlyr5fU", Data: []byte("../checksum/fLYGIMHgN1louE-JzITJZJo2SDniPu-IHBXubtvQWFO-hXnDVKNuscV7-zlyr5fU")},
{Mode: fs.ModeDir | 0700, Path: "work"},
}, pkg.MustDecode("bAJdeuI2cITlff5uIDbMKIiaW6zB-_XGinOMOMjNmltL3YAanXLiV64_jsXeQMXn")},
}, pkg.MustDecode("4WHaMvRRcCac1uAyXnEklEd2YaNQBj6rXlfMntX9GgYLij3By1znv5QYPGJHYQIH")},
{"sample directory step simple", fstest.MapFS{
".": {Mode: fs.ModeDir | 0700},

4
internal/pkg/net_test.go
View File

@@ -150,7 +150,7 @@ func TestHTTP(t *testing.T) {
} else if gotIdent := f.ID(); gotIdent != (pkg.Checksum{}) {
t.Fatalf("ID: %x, want %x", gotIdent, pkg.Checksum{})
}
}, pkg.MustDecode("bAJdeuI2cITlff5uIDbMKIiaW6zB-_XGinOMOMjNmltL3YAanXLiV64_jsXeQMXn")},
}, pkg.MustDecode("4WHaMvRRcCac1uAyXnEklEd2YaNQBj6rXlfMntX9GgYLij3By1znv5QYPGJHYQIH")},
{"store", nil, func(t *testing.T, base *check.Absolute, c *pkg.Cache) {
var (
@@ -184,6 +184,6 @@ func TestHTTP(t *testing.T) {
} else if checksum != testdataChecksum {
t.Fatalf("Hash: %x, want %x", checksum, testdataChecksum)
}
}, pkg.MustDecode("bAJdeuI2cITlff5uIDbMKIiaW6zB-_XGinOMOMjNmltL3YAanXLiV64_jsXeQMXn")},
}, pkg.MustDecode("4WHaMvRRcCac1uAyXnEklEd2YaNQBj6rXlfMntX9GgYLij3By1znv5QYPGJHYQIH")},
})
}

4
internal/pkg/pkg.go
View File

@@ -342,8 +342,8 @@ func (c *Cache) storeFile(
return err
}
return os.Link(
checksumPathname.String(),
return os.Symlink(
"../"+dirChecksum+"/"+path.Base(checksumPathname.String()),
identifierPathname.String(),
)
}

2
internal/pkg/pkg_test.go
View File

@@ -305,7 +305,7 @@ func TestCache(t *testing.T) {
if _, _, err := c.LoadFile(zeroIdent); !reflect.DeepEqual(err, wantErrNonexistentZero) {
t.Fatalf("LoadFile: error = %#v, want %#v", err, wantErrNonexistentZero)
}
}, pkg.MustDecode("G4u4W77C3u46oSAzwPTERKbS9h76iIvcd7Zl8p8Y6hTMb4_QGpH0Glg_DIJg-Usa")},
}, pkg.MustDecode("St9rlE-mGZ5gXwiv_hzQ_B8bZP-UUvSNmf4nHUZzCMOumb6hKnheZSe0dmnuc4Q2")},
{"directory", nil, func(t *testing.T, base *check.Absolute, c *pkg.Cache) {
id := pkg.KindTar.Ident(