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43 lines
1.1 KiB
43 lines
1.1 KiB
#!/bin/bash
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[ -f testing.sh ] && . testing.sh
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if [ "$(id -u)" -ne 0 ]; then
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echo "$SHOWSKIP: losetup (not root)"
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return 2>/dev/null
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exit
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fi
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if [ "$(losetup -a | wc -l)" -ne 0 ]; then
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echo "$SHOWSKIP: losetup (devices already in use)"
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return 2>/dev/null
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exit
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fi
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# Android's loopback devices are only in /dev/block/loop*.
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# Debian has symlinks like /dev/block/7:0 back to ../loop*.
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if [ -b /dev/block/sda ]; then
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DIR="/dev/block" # Presumably Android.
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else
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DIR="/dev"
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fi
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#testing "name" "command" "result" "infile" "stdin"
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truncate -s 1M blah.img &&
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FILE="$(readlink -f blah.img)"
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DEV="$(stat --format %d blah.img)"
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NODE="$(stat --format %i blah.img)"
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# TODO: assumes there are no loopback devices!
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testcmd "-f" "-f" "$DIR/loop0\n" "" ""
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testcmd "-f blah.img" "-f blah.img" "" "" ""
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testcmd "-f --show" "-f --show blah.img" "$DIR/loop1\n" "" ""
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testcmd "-a" "-a | sort" \
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"$DIR/loop0: [$DEV]:$NODE ($FILE)\n$DIR/loop1: [$DEV]:$NODE ($FILE)\n" "" ""
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testcmd "-d $DIR/loop0" "-d $DIR/loop0 && losetup -a" \
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"$DIR/loop1: [$DEV]:$NODE ($FILE)\n" "" ""
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testcmd "-D" "-D && losetup -a" "" "" ""
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rm blah.img
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