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Using dd option status=progress if available

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This commit is contained in:
Thomas Schmitt 2020-01-06 21:44:11 +01:00
parent 56238c3c6a
commit 557e69ada1
4 changed files with 65 additions and 30 deletions
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25
xorriso-dd-target/xorriso-dd-target
View File

@ -1,6 +1,6 @@
#!/bin/sh
# Copyright (c) 2019
# Copyright (c) 2019 - 2020
# Nio Wiklund alias sudodus <nio dot wiklund at gmail dot com>
# Thomas Schmitt <scdbackup@gmx.net>
# Provided under GPL version 2 or later.
@ -127,6 +127,8 @@ xdt_print_usage() {
echo " is found, then they get listed but no writing"
echo " happens. In this case, re-run with one of the"
echo " advised device names to get a real write run."
echo " -no_pacifier Do not use dd options to print progress messages"
echo " and to perform synchronized output."
echo " -dummy Report the -DO_WRITE actions but do not perform"
echo " them."
echo " -dummy_force If a single device name is given, do a run of"
@ -211,6 +213,7 @@ xdt_reset_job() {
xdt_do_write=
xdt_dummy_run=
xdt_dummy_force=
xdt_no_pacifier=
xdt_do_plug_test=
# Status
@ -313,6 +316,9 @@ xdt_arg_interpreter() {
elif test "X$xdt_i" = "X-DO_WRITE"
then
xdt_do_write=y
elif test "X$xdt_i" = "X-no_pacifier"
then
xdt_no_pacifier=y
elif test "X$xdt_i" = "X-help"
then
xdt_print_usage
@ -331,6 +337,17 @@ xdt_arg_interpreter() {
fi
done
xdt_predict_su_power || return "$?"
# Prepare for using dd pacifier if desired and available
xdt_dd_bs="bs=1M"
if test -n "$xdt_dd_cmd"
then
if test -z "$xdt_no_pacifier" && \
"$xdt_dd_cmd" if=/dev/zero of=/dev/null count=1 \
bs=1M status=progress oflag=dsync 2>/dev/null
then
xdt_dd_bs="bs=1M status=progress oflag=dsync"
fi
fi
return 0
}
@ -725,11 +742,11 @@ xdt_write_image() {
fi
if test -n "$xdt_dummy_run"
then
echo " $xdt_sudo_cmd $xdt_dd_cmd if='${1}' bs=1M of=/dev/'${2}' ; sync"
echo " $xdt_sudo_cmd $xdt_dd_cmd if='${1}' of=/dev/'${2}' $xdt_dd_bs ; sync"
else
echo "Performing:"
echo " $xdt_sudo_cmd $xdt_dd_cmd if='${1}' bs=1M of=/dev/'${2}' ; sync"
$xdt_sudo_cmd "$xdt_dd_cmd" if="${1}" bs=1M of=/dev/"${2}"
echo " $xdt_sudo_cmd $xdt_dd_cmd if='${1}' of=/dev/'${2}' $xdt_dd_bs ; sync"
$xdt_sudo_cmd "$xdt_dd_cmd" if="${1}" of=/dev/"${2}" $xdt_dd_bs
xdt_ret="$?"
sync
if test "$xdt_ret" -ne 0

11
xorriso-dd-target/xorriso-dd-target.1
View File

@ -9,7 +9,7 @@
.\" First parameter, NAME, should be all caps
.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
.\" other parameters are allowed: see man(7), man(1)
.TH XORRISO-DD-TARGET 1 "Version 1.5.3, Dec 7, 2019"
.TH XORRISO-DD-TARGET 1 "Version 1.5.3, Jan 6, 2020"
.\" Please adjust this date whenever revising the manpage.
.\"
.\" Some roff macros, for reference:
@ -270,7 +270,7 @@ Unmounted: /dev/sde2
.br
Performing:
.br
sudo /bin/dd if='debian\-live\-10.0.0\-amd64\-xfce.iso' bs=1M of=/dev/sde ; sync
sudo /bin/dd if='debian\-live\-10.0.0\-amd64\-xfce.iso' of=/dev/sde bs=1M status=progress oflag=dsync ; sync
.br
... dd messages ...
.SS
@ -326,7 +326,7 @@ AGAINST THE ADVICE BY THIS PROGRAM, a daring user could do:
.br
sudo /bin/umount /dev/sdd3
.br
sudo /bin/dd if='debian\-live\-10.0.0\-amd64\-xfce.iso' bs=1M of=/dev/sdd ; sync
sudo /bin/dd if='debian\-live\-10.0.0\-amd64\-xfce.iso' of=/dev/sdd bs=1M status=progress oflag=dsync ; sync
.br
BE SMART. BE CAUTIOUS. BEWARE.
.SS
@ -494,6 +494,11 @@ In this case, to get a real write run, consider unplugging unneeded devices,
or using option \-plug_test, or a re\-run with one of the advised device names
as additional argument.
.TP
\fB\-no_pacifier\fR
Do not use dd options to print progress messages and to perform synchronized
output. These options are used by default if program dd offers progress
messages.
.TP
\fB\-dummy\fR
Report the \-DO_WRITE actions but do not perform them.
.TP

46
xorriso-dd-target/xorriso-dd-target.info
View File

@ -224,8 +224,8 @@ Looking for mount points of sde:
Unmounted: /dev/sde1
Unmounted: /dev/sde2
Performing:
sudo /bin/dd if='debian-live-10.0.0-amd64-xfce.iso' bs=1M of=/dev/sde ;
sync
sudo /bin/dd if='debian-live-10.0.0-amd64-xfce.iso' of=/dev/sde bs=1M
status=progress oflag=dsync ; sync
... dd messages ...

@ -263,8 +263,8 @@ AGAINST THE ADVICE BY THIS PROGRAM, a daring user could do:
sudo /bin/umount /dev/sdd1
sudo /bin/umount /dev/sdd2
sudo /bin/umount /dev/sdd3
sudo /bin/dd if='debian-live-10.0.0-amd64-xfce.iso' bs=1M of=/dev/sdd ;
sync
sudo /bin/dd if='debian-live-10.0.0-amd64-xfce.iso' of=/dev/sdd bs=1M
status=progress oflag=dsync ; sync
BE SMART. BE CAUTIOUS. BEWARE.

@ -390,6 +390,10 @@ File: xorriso-dd-target.info, Node: Options, Next: Examples, Prev: Overview,
In this case, to get a real write run, consider unplugging unneeded
devices, or using option -plug_test, or a re-run with one of the
advised device names as additional argument.
-no_pacifier
Do not use dd options to print progress messages and to perform
synchronized output. These options are used by default if program
dd offers progress messages.
-dummy
Report the -DO_WRITE actions but do not perform them.
-dummy_force
@ -478,15 +482,16 @@ File: xorriso-dd-target.info, Node: CommandIdx, Next: ConceptIdx, Prev: Legal
* Menu:
* -DO_WRITE write image file to device: Options. (line 48)
* -dummy report but do not perform: Options. (line 55)
* -dummy_force show raw copy commands: Options. (line 57)
* -help print help text to stdout: Options. (line 61)
* -dummy report but do not perform: Options. (line 59)
* -dummy_force show raw copy commands: Options. (line 61)
* -help print help text to stdout: Options. (line 65)
* -image_file set path of disk image file: Options. (line 45)
* -list_all print list of disk devices: Options. (line 15)
* -list_long print extra device info: Options. (line 18)
* -look_for_iso demand presence of ISO 9660: Options. (line 33)
* -max_size set size limit for device: Options. (line 24)
* -min_size set size limit for device: Options. (line 29)
* -no_pacifier do not show dd progress: Options. (line 55)
* -plug_test detect target device plugging: Options. (line 7)
* -with_sudo run lsblk, umount, dd by sudo: Options. (line 38)
* -with_vendor_model add drive info to advice: Options. (line 22)
@ -501,6 +506,7 @@ File: xorriso-dd-target.info, Node: ConceptIdx, Next: Top, Prev: CommandIdx,
* Menu:
* Bugs, reporting: Bugreport. (line 6)
* dd progress, do not show, -no_pacifier: Options. (line 55)
* Device info, print extra, -list_long: Options. (line 18)
* Device size, set limit, -max_size: Options. (line 24)
* Device size, set limit, -min_size: Options. (line 29)
@ -508,12 +514,12 @@ File: xorriso-dd-target.info, Node: ConceptIdx, Next: Top, Prev: CommandIdx,
* disk image file, set path, -image_file: Options. (line 45)
* disk image file, write to device, -DO_WRITE: Options. (line 48)
* Drive info, add to advice, -with_vendor_model: Options. (line 22)
* help text, print to stdout, -help: Options. (line 61)
* help text, print to stdout, -help: Options. (line 65)
* ISO 9660, demand presence on target, -look_for_iso: Options. (line 33)
* lsblk, umount, dd, run by sudo, -with_sudo: Options. (line 38)
* only report, do not perform, -dummy: Options. (line 55)
* only report, do not perform, -dummy: Options. (line 59)
* Problems, reporting: Bugreport. (line 6)
* raw copy commands, show, -dummy_force: Options. (line 57)
* raw copy commands, show, -dummy_force: Options. (line 61)
* Reasons, list of: Reasons. (line 6)
* Target device, detect by plugging, -plug_test: Options. (line 7)
* Use case, detect intended device by plugging: Plugtest. (line 6)
@ -535,15 +541,15 @@ Node: Listall3516
Node: Givendevices5089
Node: Plugtest6053
Node: Dowrite7954
Node: Unwise9069
Node: Reasons10581
Node: Options13162
Node: Examples15964
Node: Files16137
Node: Seealso16295
Node: Bugreport16461
Node: Legal17048
Node: CommandIdx17752
Node: ConceptIdx18872
Node: Unwise9097
Node: Reasons10637
Node: Options13218
Node: Examples16208
Node: Files16381
Node: Seealso16539
Node: Bugreport16705
Node: Legal17292
Node: CommandIdx17996
Node: ConceptIdx19189

End Tag Table

13
xorriso-dd-target/xorriso-dd-target.texi
View File

@ -50,7 +50,7 @@
@c man .\" First parameter, NAME, should be all caps
@c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
@c man .\" other parameters are allowed: see man(7), man(1)
@c man .TH XORRISO-DD-TARGET 1 "Version 1.5.3, Dec 7, 2019"
@c man .TH XORRISO-DD-TARGET 1 "Version 1.5.3, Jan 6, 2020"
@c man .\" Please adjust this date whenever revising the manpage.
@c man .\"
@c man .\" Some roff macros, for reference:
@ -375,7 +375,7 @@ Unmounted: /dev/sde2
@*
Performing:
@*
sudo /bin/dd if='debian-live-10.0.0-amd64-xfce.iso' bs=1M of=/dev/sde ; sync
sudo /bin/dd if='debian-live-10.0.0-amd64-xfce.iso' of=/dev/sde bs=1M status=progress oflag=dsync ; sync
@*
... dd messages ...
@c man .SS
@ -434,7 +434,7 @@ AGAINST THE ADVICE BY THIS PROGRAM, a daring user could do:
@*
sudo /bin/umount /dev/sdd3
@*
sudo /bin/dd if='debian-live-10.0.0-amd64-xfce.iso' bs=1M of=/dev/sdd ; sync
sudo /bin/dd if='debian-live-10.0.0-amd64-xfce.iso' of=/dev/sdd bs=1M status=progress oflag=dsync ; sync
@*
BE SMART. BE CAUTIOUS. BEWARE.
@c man .SS
@ -630,6 +630,13 @@ In this case, to get a real write run, consider unplugging unneeded devices,
or using option -plug_test, or a re-run with one of the advised device names
as additional argument.
@c man .TP
@item -no_pacifier
@kindex -no_pacifier do not show dd progress
@cindex dd progress, do not show, -no_pacifier
Do not use dd options to print progress messages and to perform synchronized
output. These options are used by default if program dd offers progress
messages.
@c man .TP
@item -dummy
@kindex -dummy report but do not perform
@cindex only report, do not perform, -dummy