60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
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// +build windows
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package commands
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import (
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"path/filepath"
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"regexp"
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"strings"
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"sync"
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"github.com/github/git-lfs/subprocess"
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)
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var (
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winBashPrefix string
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winBashMu sync.Mutex
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winBashRe *regexp.Regexp
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)
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// cleanRootPath replaces the windows root path prefix with a unix path prefix:
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// "/". Git Bash (provided with Git For Windows) expands a path like "/foo" to
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// the actual Windows directory, but with forward slashes. You can see this
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// for yourself:
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//
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// $ git /foo
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// git: 'C:/Program Files/Git/foo' is not a git command. See 'git --help'.
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//
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// You can check the path with `pwd -W`:
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//
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// $ cd /
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// $ pwd
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// /
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// $ pwd -W
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// c:/Program Files/Git
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func cleanRootPath(pattern string) string {
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winBashMu.Lock()
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defer winBashMu.Unlock()
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// check if path starts with windows drive letter
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if !winPathHasDrive(pattern) {
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return pattern
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}
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if len(winBashPrefix) < 1 {
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// cmd.Path is something like C:\Program Files\Git\usr\bin\pwd.exe
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cmd := subprocess.ExecCommand("pwd")
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winBashPrefix = strings.Replace(filepath.Dir(filepath.Dir(filepath.Dir(cmd.Path))), `\`, "/", -1) + "/"
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}
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return strings.Replace(pattern, winBashPrefix, "/", 1)
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}
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func winPathHasDrive(pattern string) bool {
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if winBashRe == nil {
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winBashRe = regexp.MustCompile(`\A\w{1}:[/\/]`)
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}
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return winBashRe.MatchString(pattern)
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}
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