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Code Issues Releases Wiki Activity

Cleaned up formatting

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Fixed tabbing
This commit is contained in:
amarcu5
2018-04-29 04:21:28 +01:00
parent 714a45c34a
commit ef1d316f33
1 changed files with 43 additions and 43 deletions
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86
src/duplicacy_shadowcopy_osx.go
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@@ -23,19 +23,19 @@ var snapshotDate string
// Converts char array to string
func CharsToString(ca []int8) string {
len := len(ca)
ba := make([]byte, len)
for i, v := range ca {
ba[i] = byte(v)
for i, v := range ca {
ba[i] = byte(v)
if ba[i] == 0 {
len = i
break
}
}
return string(ba[:len])
return string(ba[:len])
}
// Get ID of device containing path
@@ -51,43 +51,43 @@ func GetPathDeviceId(path string) (deviceId int32, err error) {
// Executes shell command with timeout and returns stdout
func CommandWithTimeout(timeoutInSeconds int, name string, arg ...string) (output string, err error) {
ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeoutInSeconds) * time.Second)
ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeoutInSeconds) * time.Second)
defer cancel()
cmd := exec.CommandContext(ctx, name, arg...)
out, err := cmd.Output()
if ctx.Err() == context.DeadlineExceeded {
err = errors.New("Command '" + name + "' timed out")
if ctx.Err() == context.DeadlineExceeded {
err = errors.New("Command '" + name + "' timed out")
}
output = string(out)
return output, err;
return output, err
}
func DeleteShadowCopy() {
if snapshotPath == "" {
return
}
if snapshotPath == "" {
return
}
err := exec.Command("umount", "-f", snapshotPath).Run()
if err != nil {
LOG_ERROR("VSS_DELETE", "Error while unmounting snapshot")
if err != nil {
LOG_ERROR("VSS_DELETE", "Error while unmounting snapshot")
return
}
err = exec.Command("tmutil", "deletelocalsnapshots", snapshotDate).Run()
if err != nil {
LOG_ERROR("VSS_DELETE", "Error while deleting local snapshot")
if err != nil {
LOG_ERROR("VSS_DELETE", "Error while deleting local snapshot")
return
}
os.RemoveAll(snapshotPath)
LOG_INFO("VSS_DELETE", "Shadow copy unmounted and deleted at %s", snapshotPath)
snapshotPath = ""
os.RemoveAll(snapshotPath)
LOG_INFO("VSS_DELETE", "Shadow copy unmounted and deleted at %s", snapshotPath)
snapshotPath = ""
}
func CreateShadowCopy(top string, shadowCopy bool, timeoutInSeconds int) (shadowTop string) {
@@ -95,7 +95,7 @@ func CreateShadowCopy(top string, shadowCopy bool, timeoutInSeconds int) (shadow
if !shadowCopy {
return top
}
// Check repository filesystem is APFS
stat := syscall.Statfs_t{}
err := syscall.Statfs(top, &stat)
@@ -107,7 +107,7 @@ func CreateShadowCopy(top string, shadowCopy bool, timeoutInSeconds int) (shadow
LOG_WARN("VSS_INIT", "VSS requires APFS filesystem")
return top
}
// Check path is local as tmutil snapshots will not support APFS formatted external drives
deviceIdLocal, err := GetPathDeviceId("/")
if err != nil {
@@ -125,26 +125,26 @@ func CreateShadowCopy(top string, shadowCopy bool, timeoutInSeconds int) (shadow
}
if timeoutInSeconds <= 60 {
timeoutInSeconds = 60
timeoutInSeconds = 60
}
// Create mount point
snapshotPath, err = ioutil.TempDir("/tmp/", "snp_")
snapshotPath, err = ioutil.TempDir("/tmp/", "snp_")
if err != nil {
LOG_ERROR("VSS_CREATE", "Failed to create temporary mount directory")
LOG_ERROR("VSS_CREATE", "Failed to create temporary mount directory")
return top
}
// Use tmutil to create snapshot
tmutilOutput, err := CommandWithTimeout(timeoutInSeconds, "tmutil", "snapshot")
if err != nil {
LOG_ERROR("VSS_CREATE", "Error while calling tmutil: ", err)
if err != nil {
LOG_ERROR("VSS_CREATE", "Error while calling tmutil: ", err)
return top
}
colonPos := strings.IndexByte(tmutilOutput, ':')
if colonPos < 0 {
LOG_ERROR("VSS_CREATE", "Snapshot creation failed: ", tmutilOutput)
LOG_ERROR("VSS_CREATE", "Snapshot creation failed: ", tmutilOutput)
return top
}
snapshotDate = strings.TrimSpace(tmutilOutput[colonPos+1:])
@@ -153,11 +153,11 @@ func CreateShadowCopy(top string, shadowCopy bool, timeoutInSeconds int) (shadow
_, err = CommandWithTimeout(timeoutInSeconds,
"mount", "-t", "apfs", "-o", "nobrowse,-r,-s=com.apple.TimeMachine." + snapshotDate, "/", snapshotPath)
if err != nil {
LOG_ERROR("VSS_CREATE", "Error while mounting snapshot: ", err)
return top
LOG_ERROR("VSS_CREATE", "Error while mounting snapshot: ", err)
return top
}
LOG_INFO("VSS_DONE", "Shadow copy created and mounted at %s", snapshotPath)
LOG_INFO("VSS_DONE", "Shadow copy created and mounted at %s", snapshotPath)
return snapshotPath + top
}