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90f689c2d3
The "[[ ... ]]" syntax is bash-specific. Reflect this by changing shbang to "#!/bin/bash". Many of our dev systems symlink "/bin/sh" to "/bin/bash" which has masked this problem for a long time, but "real" sh fails on "[[". BUG=none TEST=rerun Review URL: http://codereview.chromium.org/2825050
59 lines
1.3 KiB
Bash
Executable File
59 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Emit scripts to pack and unpack the partitions from a GPT disk image.
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# Load common constants. This should be the first executable line.
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# The path to common.sh should be relative to your script's location.
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. "$(dirname "$0")/common.sh"
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. "$(dirname "$0")/chromeos-common.sh"
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set -e
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# Usage
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IMAGE=${1:-}
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DIR=${2:-}
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if [[ -z "$IMAGE" || -z "$DIR" ]]; then
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echo "Usage: $0 GPT_DEVICE DIRECTORY" 1>&2
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exit 1
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fi
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PACK="${DIR}/pack_partitions.sh"
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UNPACK="${DIR}/unpack_partitions.sh"
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locate_gpt
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TMP=$(mktemp)
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$GPT show "$IMAGE" > $TMP
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HEADER='#!/bin/bash -eu
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# File generated by emit_gpt_scripts.sh. Do not edit.
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TARGET=${1:-}
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if [[ -z "$TARGET" ]]; then
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echo "Usage: $0 DEVICE" 1>&2
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exit 1
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fi
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set -x'
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echo "$HEADER" > "$PACK"
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echo "$HEADER" > "$UNPACK"
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cat $TMP | sed -e 's/^/# /' >> "$PACK"
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cat $TMP | sed -e 's/^/# /' >> "$UNPACK"
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$GPT show -q "$IMAGE" | \
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while read start size part x; do \
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file="part_$part"
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loc="\"\$TARGET\""
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echo "dd if=$loc of=$file bs=512 skip=$start count=$size" \
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>> "$UNPACK"
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echo \
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"dd if=$file of=$loc bs=512 seek=$start count=$size conv=notrunc" \
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>> "$PACK"
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done
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chmod +x "$PACK" "$UNPACK"
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rm $TMP
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