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Extract ruby-build usage from comments like we do in rbenv

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This commit is contained in:
Mislav Marohnić 2014-11-26 20:01:38 -08:00
parent 4a6b9280bb
commit 960e183d4c
1 changed files with 13 additions and 14 deletions
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27
bin/ruby-build
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@ -1,4 +1,13 @@
#!/usr/bin/env bash
#
# usage: ruby-build [-kvp] <definition> <prefix>
# ruby-build --definitions
#
# -k/--keep Do not remove source tree after installation
# -v/--verbose Verbose mode: print compilation status to stdout
# -p/--patch Apply a patch from stdin before building
# --definitions List all built-in definitions
#
RUBY_BUILD_VERSION="20141113"
@ -954,11 +963,7 @@ version() {
}
usage() {
{ version
echo "usage: ruby-build [-k|--keep] [-v|--verbose] [-p|--patch] definition prefix"
echo " ruby-build --definitions"
} >&1
sed -ne '/^#/!q;s/.\{1,2\}//;1,2d;p' < "$0"
[ -z "$1" ] || exit "$1"
}
@ -990,15 +995,9 @@ parse_options "$@"
for option in "${OPTIONS[@]}"; do
case "$option" in
"h" | "help" )
usage
{ echo
echo " -k/--keep Do not remove source tree after installation"
echo " -v/--verbose Verbose mode: print compilation status to stdout"
echo " -p/--patch Apply a patch from stdin before building"
echo " --definitions List all built-in definitions"
echo
} >&1
exit 0
version
echo
usage 0
;;
"definitions" )
list_definitions