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86ce1f6e2b
This patch adds a basic dd subcommand analogous to dd(1) to qemu-img. For the start, this implements the bs, if, of and count options and requires both if and of to be specified (no stdin/stdout if not specified) and doesn't support tty, pipes, etc. The image format must be specified with -O for the output if the raw format is not the intended one. Two tests are added to test qemu-img dd. Signed-off-by: Reda Sallahi <fullmanet@gmail.com> Message-id: 20160810024312.14544-1-fullmanet@gmail.com Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> [mreitz: Moved test 158 to 170] Signed-off-by: Max Reitz <mreitz@redhat.com>
68 lines
1.5 KiB
Bash
Executable File
68 lines
1.5 KiB
Bash
Executable File
#! /bin/bash
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#
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# qemu-img dd test
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#
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# Copyright (C) 2016 Reda Sallahi
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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owner=fullmanet@gmail.com
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seq="$(basename $0)"
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echo "QA output created by $seq"
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here="$PWD"
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status=1
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_cleanup()
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{
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_cleanup_test_img
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rm -f "$TEST_IMG.out"
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}
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trap "_cleanup; exit \$status" 0 1 2 3 15
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. ./common.rc
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. ./common.filter
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. ./common.pattern
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_supported_fmt generic
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_supported_proto file
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_supported_os Linux
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echo
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echo "== Creating image =="
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size=1M
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_make_test_img $size
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_check_test_img
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$QEMU_IO -c "write -P 0xa 0 $size" "$TEST_IMG" | _filter_qemu_io
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echo
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echo "== Converting the image with dd =="
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$QEMU_IMG dd if="$TEST_IMG" of="$TEST_IMG.out" -O "$IMGFMT"
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TEST_IMG="$TEST_IMG.out" _check_test_img
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echo
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echo "== Compare the images with qemu-img compare =="
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$QEMU_IMG compare "$TEST_IMG" "$TEST_IMG.out"
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echo
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echo "*** done"
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rm -f "$seq.full"
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status=0
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