mirror of
https://codeberg.org/landley/toybox.git
synced 2026-01-26 06:07:55 +00:00
cde31cc6bb
There's probably a way to filter out the existing ones, but it's likely to be pretty painful and isn't immediately necessary. (I hit this case on Android cloud x86 devices.)
43 lines
1.1 KiB
Bash
Executable File
43 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
[ -f testing.sh ] && . testing.sh
|
|
|
|
if [ "$(id -u)" -ne 0 ]; then
|
|
echo "$SHOWSKIP: losetup (not root)"
|
|
return 2>/dev/null
|
|
exit
|
|
fi
|
|
|
|
if [ "$(losetup -a | wc -l)" -ne 0 ]; then
|
|
echo "$SHOWSKIP: losetup (devices already in use)"
|
|
return 2>/dev/null
|
|
exit
|
|
fi
|
|
|
|
# Android's loopback devices are only in /dev/block/loop*.
|
|
# Debian has symlinks like /dev/block/7:0 back to ../loop*.
|
|
if [ -b /dev/block/sda ]; then
|
|
DIR="/dev/block" # Presumably Android.
|
|
else
|
|
DIR="/dev"
|
|
fi
|
|
|
|
#testing "name" "command" "result" "infile" "stdin"
|
|
|
|
truncate -s 1M blah.img &&
|
|
FILE="$(readlink -f blah.img)"
|
|
DEV="$(stat --format %d blah.img)"
|
|
NODE="$(stat --format %i blah.img)"
|
|
|
|
# TODO: assumes there are no loopback devices!
|
|
testcmd "-f" "-f" "$DIR/loop0\n" "" ""
|
|
testcmd "-f blah.img" "-f blah.img" "" "" ""
|
|
testcmd "-f --show" "-f --show blah.img" "$DIR/loop1\n" "" ""
|
|
testcmd "-a" "-a | sort" \
|
|
"$DIR/loop0: [$DEV]:$NODE ($FILE)\n$DIR/loop1: [$DEV]:$NODE ($FILE)\n" "" ""
|
|
testcmd "-d $DIR/loop0" "-d $DIR/loop0 && losetup -a" \
|
|
"$DIR/loop1: [$DEV]:$NODE ($FILE)\n" "" ""
|
|
testcmd "-D" "-D && losetup -a" "" "" ""
|
|
|
|
rm blah.img
|