// Convert filenames expressed relative to the root of the repo relative to the
// current working dir. Useful when needing to calling git with results from a rooted command,
// but the user is in a subdir of their repo
// Pass in a channel which you will fill with relative files & receive a channel which will get results
func ConvertRepoFilesRelativeToCwd(repochan <-chan string) (<-chan string, error) {
wd, err := os.Getwd()
if err != nil {
return nil, fmt.Errorf("Unable to get working dir: %v", err)
}
wd = tools.ResolveSymlinks(wd)
// Early-out if working dir is root dir, same result
passthrough := false
if config.LocalWorkingDir == wd {
passthrough = true
}
outchan := make(chan string, 1)
go func() {
for f := range repochan {
if passthrough {
outchan <- f
continue
}
abs := filepath.Join(config.LocalWorkingDir, f)
rel, err := filepath.Rel(wd, abs)
if err != nil {
// Use absolute file instead
outchan <- abs
} else {
outchan <- rel
}
}
close(outchan)
}()
return outchan, nil
}
// Determins the LocalWorkingDir, LocalGitDir etc
func ResolveGitBasicDirs() {
var err error
LocalGitDir, LocalWorkingDir, err = git.GitAndRootDirs()
if err == nil {
// Make sure we've fully evaluated symlinks, failure to do consistently
// can cause discrepancies
LocalGitDir = tools.ResolveSymlinks(LocalGitDir)
LocalWorkingDir = tools.ResolveSymlinks(LocalWorkingDir)
LocalGitStorageDir = resolveGitStorageDir(LocalGitDir)
LocalReferenceDir = resolveReferenceDir(LocalGitStorageDir)
} else {
errMsg := err.Error()
tracerx.Printf("Error running 'git rev-parse': %s", errMsg)
if !strings.Contains(errMsg, "Not a git repository") {
fmt.Fprintf(os.Stderr, "Error: %s\n", errMsg)
}
}
}
// Convert filenames expressed relative to the current directory to be
// relative to the repo root. Useful when calling git with arguments that requires them
// to be rooted but the user is in a subdir of their repo & expects to use relative args
// Pass in a channel which you will fill with relative files & receive a channel which will get results
func ConvertCwdFilesRelativeToRepo(cwdchan <-chan string) (<-chan string, error) {
curdir, err := os.Getwd()
if err != nil {
return nil, fmt.Errorf("Could not retrieve current directory: %v", err)
}
// Make sure to resolve symlinks
curdir = tools.ResolveSymlinks(curdir)
// Early-out if working dir is root dir, same result
passthrough := false
if config.LocalWorkingDir == curdir {
passthrough = true
}
outchan := make(chan string, 1)
go func() {
for p := range cwdchan {
if passthrough {
outchan <- p
continue
}
var abs string
if filepath.IsAbs(p) {
abs = tools.ResolveSymlinks(p)
} else {
abs = filepath.Join(curdir, p)
}
reltoroot, err := filepath.Rel(config.LocalWorkingDir, abs)
if err != nil {
// Can't do this, use absolute as best fallback
outchan <- abs
} else {
outchan <- reltoroot
}
}
close(outchan)
}()
return outchan, nil
}