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27 lines
798 B
Bash
27 lines
798 B
Bash
#!/bin/sh
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# Emulate cp -s for systems without coreutils
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if test -z "$1" || test -z "$2" ; then
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echo "usage: ${0} srcdir destdir" >&2
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exit 1
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fi
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# Portability notes:
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# - Avoid set -e given its ambiguous interaction with subshells.
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# - Not all shells update $PWD as required by POSIX.
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# Use the pwd builtin instead.
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# - Command substitution strips all trailing newlines.
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# Preserve trailing newlines by appending a safety character and then
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# removing it with parameter substitution, along with the newline
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# appended by pwd itself.
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mkdir -p "$2" &&
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destdir=`cd "$2" && pwd && echo x` &&
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destdir=${destdir%??} &&
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cd "$1" &&
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srcdir=`pwd && echo x` &&
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srcdir=${srcdir%??} &&
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find . -type d -exec mkdir -p "${destdir}/{}" \; &&
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find . -type f -exec ln -sf "${srcdir}/{}" "${destdir}/{}" \;
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