On 1/7/21 8:00 AM, Paolo Bonzini wrote:
> Make config.status generation a bit more robust. (The quote_sh
> function will also be reused to parse configure's command line
> arguments in an external script driven by Meson build option
> introspection).
>
> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
> ---
> configure | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/configure b/configure
> index d573058b16..41866cc38e 100755
> --- a/configure
> +++ b/configure
> @@ -89,6 +89,10 @@ printf " '%s'" "$0" "$@" >> config.log
> echo >> config.log
> echo "#" >> config.log
>
> +quote_sh() {
> + printf "%s" "$1" | sed "s,','\\\\'',g; s,.*,'&',"
> +}
printf %s does not append a newline, but POSIX does not require sed to
behave sanely when its input does not end in a newline.
But unless we hit a case where someone is actually using a sed that
complains, this works for me.
Reviewed-by: Eric Blake <ebl...@redhat.com>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
