rclone/fs/rc/cache.go
Nick Craig-Wood d846210978 fs: Add context to NewFs #3257 #4685
This adds a context.Context parameter to NewFs and related calls.

This is necessary as part of reading config from the context -
backends need to be able to read the global config.
2020-11-09 18:05:54 +00:00

45 lines
1.3 KiB
Go

// Utilities for accessing the Fs cache
package rc
import (
"context"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/cache"
)
// GetFsNamed gets an fs.Fs named fsName either from the cache or creates it afresh
func GetFsNamed(ctx context.Context, in Params, fsName string) (f fs.Fs, err error) {
fsString, err := in.GetString(fsName)
if err != nil {
return nil, err
}
return cache.Get(ctx, fsString)
}
// GetFs gets an fs.Fs named "fs" either from the cache or creates it afresh
func GetFs(ctx context.Context, in Params) (f fs.Fs, err error) {
return GetFsNamed(ctx, in, "fs")
}
// GetFsAndRemoteNamed gets the fsName parameter from in, makes a
// remote or fetches it from the cache then gets the remoteName
// parameter from in too.
func GetFsAndRemoteNamed(ctx context.Context, in Params, fsName, remoteName string) (f fs.Fs, remote string, err error) {
remote, err = in.GetString(remoteName)
if err != nil {
return
}
f, err = GetFsNamed(ctx, in, fsName)
return
}
// GetFsAndRemote gets the `fs` parameter from in, makes a remote or
// fetches it from the cache then gets the `remote` parameter from in
// too.
func GetFsAndRemote(ctx context.Context, in Params) (f fs.Fs, remote string, err error) {
return GetFsAndRemoteNamed(ctx, in, "fs", "remote")
}