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| author | Karel Zak | 2017-11-02 13:50:30 +0100 |
|---|---|---|
| committer | Karel Zak | 2017-11-02 13:50:30 +0100 |
| commit | 8175ed3d74adacc895657ded7546cb3c5deeabad (patch) | |
| tree | 140fec59226f5e8eaa6d94c2103cf3a26a5fecce /disk-utils | |
| parent | sfdisk: allow to use --activate for PMBR (diff) | |
| download | kernel-qcow2-util-linux-8175ed3d74adacc895657ded7546cb3c5deeabad.tar.gz kernel-qcow2-util-linux-8175ed3d74adacc895657ded7546cb3c5deeabad.tar.xz kernel-qcow2-util-linux-8175ed3d74adacc895657ded7546cb3c5deeabad.zip | |
sfdisk: allow to disable bootable flag on all partitions
Let use '-' rather than a partition number to disable the bootable flag
on all partitions:
sfdisk --activate /dev/sdc -
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'disk-utils')
| -rw-r--r-- | disk-utils/sfdisk.8 | 12 | ||||
| -rw-r--r-- | disk-utils/sfdisk.c | 6 |
2 files changed, 13 insertions, 5 deletions
diff --git a/disk-utils/sfdisk.8 b/disk-utils/sfdisk.8 index 5266ca744..31f64fd79 100644 --- a/disk-utils/sfdisk.8 +++ b/disk-utils/sfdisk.8 @@ -78,10 +78,14 @@ partitions may be smaller. In this case \fBsfdisk\fR follows the default values from the partition table and does not use built-in defaults for the unused partition given with \fB\-N\fR. See also \fB\-\-append\fR. .TP -.BR \-A , " \-\-activate \fIdevice " [ \fIpartition-number ...] -Switch on the bootable flag for the specified partitions. -If no \fIpartition-number\fR is specified, -then list the partitions with an enabled flag. +.BR \-A , " \-\-activate \fIdevice " [ \fIpartition-number...] +Switch on the bootable flag for the specified partitions and switch off the +bootable flag on all unspecified partitions. The special placeholder '-' +may be used instead of the partition numbers to switch off the bootable flag +on all partitions. + +If no \fIpartition-number\fR is specified, then list the partitions with an +enabled flag. .TP .BR "\-\-delete \fIdevice " [ \fIpartition-number ...] Delete all or the specified partitions. diff --git a/disk-utils/sfdisk.c b/disk-utils/sfdisk.c index 46b7e54db..ac4f71106 100644 --- a/disk-utils/sfdisk.c +++ b/disk-utils/sfdisk.c @@ -853,7 +853,11 @@ static int command_activate(struct sfdisk *sf, int argc, char **argv) /* sfdisk --activate <partno> [..] */ for (i = 1; i < argc; i++) { - int n = strtou32_or_err(argv[i], _("failed to parse partition number")); + int n; + + if (i == 1 && strcmp(argv[1], "-") == 0) + break; + n = strtou32_or_err(argv[i], _("failed to parse partition number")); rc = fdisk_toggle_partition_flag(sf->cxt, n - 1, DOS_FLAG_ACTIVE); if (rc) |