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Allow display of LFS stored Readme.md on directory page (#6073) (#6099)

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* Fix display of >1Kb LFS text files

* Make LFS stored Readme files viewable

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Slight restructure

Signed-off-by: Andrew Thornton <art27@cantab.net>

* Slight restructure

Signed-off-by: Andrew Thornton <art27@cantab.net>

* catch errors and restructure LFS sections
This commit is contained in:
zeripath 2019-02-21 20:57:16 +00:00 • committed by techknowlogick
commit 3b61ff1895
1 changed files with 90 additions and 28 deletions
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118
routers/repo/view.go
View file

@ -103,13 +103,62 @@ func renderDirectory(ctx *context.Context, treeLink string) {
isTextFile := base.IsTextFile(buf)
ctx.Data["FileIsText"] = isTextFile
ctx.Data["FileName"] = readmeFile.Name()
fileSize := int64(0)
isLFSFile := false
ctx.Data["IsLFSFile"] = false
// FIXME: what happens when README file is an image?
if isTextFile && setting.LFS.StartServer {
meta := lfs.IsPointerFile(&buf)
if meta != nil {
meta, err = ctx.Repo.Repository.GetLFSMetaObjectByOid(meta.Oid)
if err != nil && err != models.ErrLFSObjectNotExist {
ctx.ServerError("GetLFSMetaObject", err)
return
}
}
if meta != nil {
ctx.Data["IsLFSFile"] = true
isLFSFile = true
// OK read the lfs object
var err error
dataRc, err = lfs.ReadMetaObject(meta)
if err != nil {
ctx.ServerError("ReadMetaObject", err)
return
}
defer dataRc.Close()
buf = make([]byte, 1024)
n, err = dataRc.Read(buf)
if err != nil {
ctx.ServerError("Data", err)
return
}
buf = buf[:n]
isTextFile = base.IsTextFile(buf)
ctx.Data["IsTextFile"] = isTextFile
fileSize = meta.Size
ctx.Data["FileSize"] = meta.Size
filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(readmeFile.Name()))
ctx.Data["RawFileLink"] = fmt.Sprintf("%s%s.git/info/lfs/objects/%s/%s", setting.AppURL, ctx.Repo.Repository.FullName(), meta.Oid, filenameBase64)
}
}
if !isLFSFile {
fileSize = readmeFile.Size()
}
if isTextFile {
if readmeFile.Size() >= setting.UI.MaxDisplayFileSize {
if fileSize >= setting.UI.MaxDisplayFileSize {
// Pretend that this is a normal text file to display 'This file is too large to be shown'
ctx.Data["IsFileTooLarge"] = true
ctx.Data["IsTextFile"] = true
ctx.Data["FileSize"] = readmeFile.Size()
ctx.Data["FileSize"] = fileSize
} else {
d, _ := ioutil.ReadAll(dataRc)
buf = templates.ToUTF8WithFallback(append(buf, d...))
@ -168,7 +217,8 @@ func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink st
ctx.Data["Title"] = ctx.Data["Title"].(string) + " - " + ctx.Repo.TreePath + " at " + ctx.Repo.BranchName
ctx.Data["FileSize"] = blob.Size()
fileSize := blob.Size()
ctx.Data["FileSize"] = fileSize
ctx.Data["FileName"] = blob.Name()
ctx.Data["HighlightClass"] = highlight.FileNameToHighlightClass(blob.Name())
ctx.Data["RawFileLink"] = rawLink + "/" + ctx.Repo.TreePath
@ -182,32 +232,44 @@ func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink st
ctx.Data["IsTextFile"] = isTextFile
//Check for LFS meta file
if isTextFile {
if meta := lfs.IsPointerFile(&buf); meta != nil {
if meta, _ = ctx.Repo.Repository.GetLFSMetaObjectByOid(meta.Oid); meta != nil {
ctx.Data["IsLFSFile"] = true
isLFSFile = true
// OK read the lfs object
dataRc, err := lfs.ReadMetaObject(meta)
if err != nil {
ctx.ServerError("ReadMetaObject", err)
return
}
defer dataRc.Close()
buf = make([]byte, 1024)
n, _ = dataRc.Read(buf)
buf = buf[:n]
isTextFile = base.IsTextFile(buf)
ctx.Data["IsTextFile"] = isTextFile
ctx.Data["FileSize"] = meta.Size
filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(blob.Name()))
ctx.Data["RawFileLink"] = fmt.Sprintf("%s%s.git/info/lfs/objects/%s/%s", setting.AppURL, ctx.Repo.Repository.FullName(), meta.Oid, filenameBase64)
if isTextFile && setting.LFS.StartServer {
meta := lfs.IsPointerFile(&buf)
if meta != nil {
meta, err = ctx.Repo.Repository.GetLFSMetaObjectByOid(meta.Oid)
if err != nil && err != models.ErrLFSObjectNotExist {
ctx.ServerError("GetLFSMetaObject", err)
return
}
}
if meta != nil {
ctx.Data["IsLFSFile"] = true
isLFSFile = true
// OK read the lfs object
var err error
dataRc, err = lfs.ReadMetaObject(meta)
if err != nil {
ctx.ServerError("ReadMetaObject", err)
return
}
defer dataRc.Close()
buf = make([]byte, 1024)
n, err = dataRc.Read(buf)
if err != nil {
ctx.ServerError("Data", err)
return
}
buf = buf[:n]
isTextFile = base.IsTextFile(buf)
ctx.Data["IsTextFile"] = isTextFile
fileSize = meta.Size
ctx.Data["FileSize"] = meta.Size
filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(blob.Name()))
ctx.Data["RawFileLink"] = fmt.Sprintf("%s%s.git/info/lfs/objects/%s/%s", setting.AppURL, ctx.Repo.Repository.FullName(), meta.Oid, filenameBase64)
}
}
// Assume file is not editable first.
@ -219,7 +281,7 @@ func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink st
switch {
case isTextFile:
if blob.Size() >= setting.UI.MaxDisplayFileSize {
if fileSize >= setting.UI.MaxDisplayFileSize {
ctx.Data["IsFileTooLarge"] = true
break
}