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8656bd2bb0
This change allows remotes to be created on the fly without a config file by using the remote type prefixed with a : as the remote name, Eg :s3: to make an s3 remote. This assumes the user is supplying the backend config via command line flags or environment variables.
51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
// Package fspath contains routines for fspath manipulation
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package fspath
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import (
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"path"
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"path/filepath"
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"regexp"
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"github.com/ncw/rclone/fs/driveletter"
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)
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// Matcher is a pattern to match an rclone URL
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var Matcher = regexp.MustCompile(`^(:?[\w_ -]+):(.*)$`)
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// Parse deconstructs a remote path into configName and fsPath
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//
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// If the path is a local path then configName will be returned as "".
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//
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// So "remote:path/to/dir" will return "remote", "path/to/dir"
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// and "/path/to/local" will return ("", "/path/to/local")
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//
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// Note that this will turn \ into / in the fsPath on Windows
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func Parse(path string) (configName, fsPath string) {
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parts := Matcher.FindStringSubmatch(path)
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configName, fsPath = "", path
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if parts != nil && !driveletter.IsDriveLetter(parts[1]) {
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configName, fsPath = parts[1], parts[2]
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}
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// change native directory separators to / if there are any
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fsPath = filepath.ToSlash(fsPath)
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return configName, fsPath
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}
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// Split splits a remote into a parent and a leaf
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//
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// if it returns leaf as an empty string then remote is a directory
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//
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// if it returns parent as an empty string then that means the current directory
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//
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// The returned values have the property that parent + leaf == remote
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// (except under Windows where \ will be translated into /)
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func Split(remote string) (parent string, leaf string) {
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remoteName, remotePath := Parse(remote)
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if remoteName != "" {
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remoteName += ":"
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}
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// Construct new remote name without last segment
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parent, leaf = path.Split(remotePath)
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return remoteName + parent, leaf
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}
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