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17 lines
361 B
Bash
Executable file
17 lines
361 B
Bash
Executable file
#! /bin/sh -e
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if ! [ -d "$1" ]; then
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echo "usage: $0 DIRECTORY"
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echo
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echo "Makes DIRECTORY a read/write tmpfs mount with the same"
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echo "contents."
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exit 1
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fi
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fsname=$(basename $1)
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mkdir /tmp/$fsname
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mount -t tmpfs $fsname /tmp/$fsname
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(cd $1 && tar cf - .) | (cd /tmp/$fsname && tar xf -)
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mount -o move /tmp/$fsname $1
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rmdir /tmp/$fsname
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