Small fixes of problems found while writing documentation

master
Thomas Schmitt 3 years ago
parent 9ffb3ff2d5
commit a6ab055153
  1. 85
      xorriso-dd-target/xorriso-dd-target

@ -74,7 +74,7 @@ print_usage() {
echo " The found device is then shown with advice, vendor,"
echo " and model. Option -DO_WRITE is obeyed if given."
echo " -list_all Print list of all found devices with advice, vendor"
echo " and model, One per line. Ignore any device names."
echo " and model. One per line. Ignore any device names."
echo " Ignore -DO_WRITE."
echo " -with_vendor_model Print vendor and model with each submitted device."
echo
@ -89,7 +89,6 @@ print_usage() {
echo " any further filesystem type is acceptable on that"
echo " device. Else only ISO 9660 and VFAT are accepted."
echo " -with_sudo Run '$lsblk_cmd -o FSTYPE' by sudo."
echo " If so, consider to enable this without password."
echo " If no filesystems are detected and the program"
echo " has no superuser power, the device is not advised."
echo " If -DO_WRITE is given, run umount and dd by sudo."
@ -230,11 +229,11 @@ arg_interpreter() {
have_su_power=y
elif test -n "$with_sudo"
then
echo "Testing sudo to possibly get password prompting done now:"
echo "Testing sudo to possibly get password prompting done now:" >&2
if sudo $lsblk_cmd -h >/dev/null
then
echo "sudo $lsblk_cmd seems ok."
echo
echo "sudo $lsblk_cmd seems ok." >&2
echo >&2
sudo_cmd=sudo
have_su_power=y
else
@ -247,13 +246,13 @@ arg_interpreter() {
## Trying to find the desired device by watching plug-in effects
plug_in_watcher() {
found_devices=
echo
echo "Caused by option -plug_test: Attempt to find the desired device"
echo "by watching it appear after being plugged in."
echo
echo "Step 1:"
echo "Please make sure that the desired target device is plugged _out_ now."
echo "Press the Enter key when ready."
echo >&2
echo "Caused by option -plug_test: Attempt to find the desired device" >&2
echo "by watching it appear after being plugged in." >&2
echo >&2
echo "Step 1:" >&2
echo "Please make sure that the desired target device is plugged _out_ now." >&2
echo "Press the Enter key when ready." >&2
read dummy
old_device_list=' '$($lsblk_cmd -d -n -o NAME | grep -v '^sr[0-9]' | grep -v '^fd[0-9]' | tr '\n\r' ' ')' '
@ -261,12 +260,12 @@ plug_in_watcher() {
# <<< Their presence in new_device_list will let them appear as fresh plugs
# old_device_list=' '$(echo -n $old_device_list | sed -e 's/sd[e-f]//')' '
echo "Found and noted as _not_ desired: $old_device_list"
echo
echo "Step 2:"
echo "Please plug in the desired target device and then press the Enter key."
echo "Found and noted as _not_ desired: $old_device_list" >&2
echo >&2
echo "Step 2:" >&2
echo "Please plug in the desired target device and then press the Enter key." >&2
read dummy
echo -n "Waiting up to 10 seconds for a new device to be listed ..."
echo -n "Waiting up to 10 seconds for a new device to be listed ..." >&2
end_time="$(expr $(date +'%s') + 10)"
while test $(date +'%s') -le "$end_time"
do
@ -274,7 +273,7 @@ plug_in_watcher() {
if test "$old_device_list" = "$new_device_list"
then
sleep 1
echo -n '.'
echo -n '.' >&2
else
for i in $new_device_list
do
@ -287,7 +286,7 @@ plug_in_watcher() {
done
fi
done
echo
echo >&2
if test -z "$found_devices"
then
echo "SORRY: No new candidate device was found." >&2
@ -296,24 +295,24 @@ plug_in_watcher() {
num=$(echo $found_devices | wc -w)
if test "$num" -gt 1
then
echo "SORRY: More than one new candidate device appeared: $found_devices"
echo "SORRY: More than one new candidate device appeared: $found_devices" >&2
return 9
fi
echo "Found and noted as desired device: $found_devices"
echo "Found and noted as desired device: $found_devices" >&2
if test -n "$devs"
then
echo "(-plug_test is overriding device list given by arguments: $devs )"
echo "(-plug_test is overriding device list given by arguments: $devs )" >&2
fi
if test -n "$list_all"
then
echo "(-plug_test is overriding -list_all)"
echo "(-plug_test is overriding -list_all)" >&2
list_all=
fi
devs_named=y
with_vendor_model=y
show_reasons=y
devs=$(echo -n $found_devices)
echo
echo >&2
return 0
}
@ -520,25 +519,29 @@ write_image() {
echo "No executable program umount found in: $sudo_x_dir_list" >&2
return 6
fi
if test -n "$dummy_force"
then
echo "AGAINST THE ADVICE BY THIS PROGRAM, a daring user could do:"
dummy_run=y
elif test -n "$dummy_run"
then
echo "Would do if not -dummy:"
fi
echo "Looking for mount points of $2:"
partitions=$($lsblk_cmd -n -p -o NAME /dev/"$2" | grep -v '^'/dev/"$2"'$' \
| sed -e 's/[^a-zA-Z0-9_+@:.,/-]//g' | tr '\n\r' ' ')
mounted_devs=
for i in /dev/"$2" $partitions
do
if mount | grep '^'"$i"' ' >/dev/null
# Show the found mount lines and add their device paths to list
mount_line=$(mount | grep '^'"$i"' ')
if test -n "$mount_line"
then
echo " $mount_line"
mounted_devs="$mounted_devs $i"
fi
done
if test -n "$dummy_force"
then
echo "AGAINST THE ADVICE BY THIS PROGRAM, a daring user could do:"
dummy_run=y
elif test -n "$dummy_run"
then
echo "Would do if not -dummy:"
fi
if test -n "$mounted_devs"
then
for i in $mounted_devs
@ -573,6 +576,8 @@ write_image() {
echo "--- not activated yet ---"
fi
# >>> ??? Erase possible GPT backup table at end of device ?
if test -n "$dummy_force"
then
echo "BE SMART. BE CAUTIOUS. BEWARE."
@ -606,7 +611,7 @@ then
num_devs=$(echo $devs| wc -w)
if test -n "$dummy_force" -a "$num_devs" -ne 1
then
echo "SORRY: Refusing -dummy_force with not exactly one device." >&2
echo "SORRY: Refusing -dummy_force with not exactly one device given." >&2
exit 10
fi
if test -n "$dummy_force" -a -n "$dummy_run" -a "$num_cand" -ne 1
@ -629,19 +634,19 @@ then
if test -n "$do_plug_test"
then
echo
echo "Step 3:"
echo "Step 3:" >&2
if test -n "$dummy_run"
then
echo "This would be the last chance to abort. Press Enter to see -dummy report."
echo "This would be the last chance to abort. Press Enter to see -dummy report." >&2
else
echo "Last chance to abort. Press Enter to start REAL WRITING."
echo "Last chance to abort. Press Enter to start REAL WRITING." >&2
fi
read dummy
fi
write_image "$image_file" $candidates
exit $?
else
echo "Would write to /dev/$candidates if an -image_file were given." >&2
echo "Would write to /dev/$candidates if an -image_file were given."
exit 0
fi
elif test "$num_cand" -gt 1
@ -651,7 +656,7 @@ then
with_vendor_model=y
devs="$candidates"
list_devices >&2
echo "HINT: Unplug the unwanted devices from the machine,"
echo "HINT: Unplug the unwanted devices from the machine," >&2
echo " or work with option -plug_test," >&2
echo " or add the desired name out of {$(echo $candidates | sed -e 's/ /,/g')} as additional argument." >&2
exit 3
@ -662,7 +667,7 @@ then
else
echo "NO CANDIDATE FOR TARGET DEVICE FOUND !" >&2
fi
echo "Overall available devices:"
echo "Overall available devices:" >&2
list_all=y
show_reasons=y
with_vendor_model=y

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