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tools/rel.sh: Make POSIXLY compatible.

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Fixes: #1221

We were using `\x0` to match NUL chars in the input (on the
assumption that NUL chars are "impossible" for decent LFS-compliant
systems).
However `\x0` is a GNUism.
Use the `\n` and the newline character, which is supported by (most)
POSIX sed.
This commit is contained in:
ZmnSCPxj
2018-03-15 15:55:25 +00:00
committed by Rusty Russell
parent 7bbc1948f7
commit e6de41b468
1 changed files with 1 additions and 1 deletions
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2
tools/rel.sh
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@@ -2,6 +2,6 @@
from=${1} from=${1}
to=${2} to=${2}
common=`printf '%s\0%s' "${from}" "${to}" | sed 's/\(.*\).*\x0\1.*/\1/' | sed 's@/[^/]*$@/@'` common=`printf '%s\n%s' "${from}" "${to}" | sed 'N;s/\(.*\).*\n\1.*$/\1/' | sed 's@/[^/]*$@/@'`
prefix=`printf '%s\n' ${from#$common} | sed 's@[^/][^/]*@..@g'` prefix=`printf '%s\n' ${from#$common} | sed 's@[^/][^/]*@..@g'`
printf '%s\n' "$prefix/${to#$common}" printf '%s\n' "$prefix/${to#$common}"