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fix for various fdisk versions

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Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
This commit is contained in:
Василий Толстов 2015-07-13 15:47:20 +03:00
parent 28db10bbf3
commit 732ff09ccd
1 changed files with 28 additions and 11 deletions
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39
system/filesystem_linux.go
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@ -111,7 +111,7 @@ func ResizeRootFS() error {
if err = syscall.Mknod(device, uint32(os.ModeDevice|syscall.S_IFBLK|0600), devBlk.Int()); err != nil {
return err
}
defer os.Remove(device)
// defer os.Remove(device)
// mbr := make([]byte, 446)
/*
@ -151,16 +151,30 @@ func ResizeRootFS() error {
if ps[1] == "*" {
active = true
partstart, _ = strconv.Atoi(ps[2])
parttype = ps[6]
if ps[7] == "Extended" {
extended = true
if len(ps) > 7 {
parttype = ps[6]
if ps[7] == "Extended" {
extended = true
}
} else {
parttype = ps[5]
if ps[6] == "Extended" {
extended = true
}
}
} else {
active = false
partstart, _ = strconv.Atoi(ps[1])
parttype = ps[5]
if ps[6] == "Extended" {
extended = true
if len(ps) > 6 {
parttype = ps[5]
if ps[6] == "Extended" {
extended = true
}
} else {
parttype = ps[4]
if ps[5] == "Extended" {
extended = true
}
}
}
}
@ -169,12 +183,15 @@ func ResizeRootFS() error {
if err = cmd.Wait(); err != nil || partstart == 0 {
return fmt.Errorf("failed to open %s via fdisk 4\n", device)
}
stdin.Write([]byte("d\n" + fmt.Sprintf("%d", partnum) + "\n"))
if partnum > 1 {
stdin.Write([]byte("d\n" + fmt.Sprintf("%d", partnum) + "\n"))
} else {
stdin.Write([]byte("d\n"))
}
if extended {
stdin.Write([]byte("n\nl\n" + fmt.Sprintf("%d", partnum) + "\n" + fmt.Sprintf("%d", partstart) + "\n\n"))
} else {
stdin.Write([]byte("n\np\n" + fmt.Sprintf("%d", partnum) + "\n\n"))
stdin.Write([]byte("n\np\n" + fmt.Sprintf("%d", partnum) + "\n" + fmt.Sprintf("%d", partstart) + "\n\n"))
}
if active {
stdin.Write([]byte("a\n" + fmt.Sprintf("%d", partnum) + "\n"))
@ -225,7 +242,7 @@ func ResizeRootFS() error {
if err = syscall.Mknod(partition, uint32(os.ModeDevice|syscall.S_IFBLK|0600), devFs.Int()); err != nil {
return err
}
defer os.Remove(partition)
// defer os.Remove(partition)
log.Printf("resize filesystem via %s %s", "resize2fs", partition)
buf, err := exec.Command("resize2fs", partition).CombinedOutput()
if err != nil {