core-lightning/tools/rel.sh

#!/usr/bin/env bash

from=${1}
to=${2}
common=$(printf '%s\n%s' "${from}" "${to}" | sed 'N;s/\(.*\).*\n\1.*$/\1/' | sed 's@/[^/]*$@/@')
prefix=$(printf '%s\n' "${from#"$common"}" | sed 's@[^/][^/]*@..@g')
printf '%s\n' "$prefix/${to#"$common"}"
tools: use /usr/bin/env bash instead of /bin/bash These commands fail on systems that do not have bash under /bin Signed-off-by: William Casarin <jb55@jb55.com> 2018-07-23 15:06:04 -07:00			`#!/usr/bin/env bash`
Makefile: Add BINTOPKGLIBEXECDIR macro. 2017-12-31 16:30:40 +00:00
			`from=${1}`
			`to=${2}`
Fix shellcheck warnings 2018-04-03 22:23:57 +02:00			`common=$(printf '%s\n%s' "${from}" "${to}" \| sed 'N;s/\(.\).\n\1.$/\1/' \| sed 's@/[^/]$@/@')`
check: fix warnings from shellcheck 0.8.0 And make errors gcc-style, so emacs can jump through the automatically. ``` In devtools/reduce-includes.sh line 21: echo -n "-$LINE" ^-- SC3037 (warning): In POSIX sh, echo flags are undefined. In devtools/reduce-includes.sh line 25: echo -n "." ^-- SC3037 (warning): In POSIX sh, echo flags are undefined. In tools/rel.sh line 6: prefix=$(printf '%s\n' "${from#$common}" \| sed 's@[^/][^/]@..@g') ^-----^ SC2295 (info): Expansions inside ${..} need to be quoted separately, otherwise they match as patterns. Did you mean: prefix=$(printf '%s\n' "${from#"$common"}" \| sed 's@[^/][^/]@..@g') In tools/rel.sh line 7: printf '%s\n' "$prefix/${to#$common}" ^-----^ SC2295 (info): Expansions inside ${..} need to be quoted separately, otherwise they match as patterns. Did you mean: printf '%s\n' "$prefix/${to#"$common"}" For more information: https://www.shellcheck.net/wiki/SC3037 -- In POSIX sh, echo flags are undef... https://www.shellcheck.net/wiki/SC2295 -- Expansions inside ${..} need to b... make: *** [Makefile:553: check-shellcheck] Error 123 ``` Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> 2022-11-09 13:02:01 +10:30			`prefix=$(printf '%s\n' "${from#"$common"}" \| sed 's@[^/][^/]*@..@g')`
			`printf '%s\n' "$prefix/${to#"$common"}"`