Hello,
On Mon, May 07, 2018 at 10:11:34AM +0300, riku.voipio@xxxxxxxxxx wrote:
> From: Riku Voipio <riku.voipio@xxxxxxxxxx>
>
> There is multiple issues with the genaration of maintainer string
>
> It uses DEBEMAIL and EMAIL enviroment variables, which may contain angle brackets,
> creating invalid maintainer strings. The documented KBUILD_BUILD_USER and
> KBUILD_BUILD_HOST variables are not used. Undocumented and uncommon NAME
> variable is used. Refactor the Maintainer string to:
>
> - use EMAIL or DEBEMAIL directly if they are in form "name <user@host>"
> - use KBUILD_BUILD_USER and KBUILD_BUILD_HOST if set before falling
> back to autodetection
> - no longer use NAME variable or the useless Anonymous string
>
> The logic is switched from multiline if/then/fi statements to compact
> shell variable substition commands.
>
> Reported-by: Mathieu Malaterre <malat@xxxxxxxxxx>
> Signed-off-by: Riku Voipio <riku.voipio@xxxxxxxxxx>
> ---
> v2: include improvements suggested by Masahiro-san
>
> scripts/package/mkdebian | 27 +++++++++++++--------------
> 1 file changed, 13 insertions(+), 14 deletions(-)
>
> diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
> index 6adb3a16ba3b..985d72d1ab34 100755
> --- a/scripts/package/mkdebian
> +++ b/scripts/package/mkdebian
> @@ -71,22 +71,21 @@ if [ "$ARCH" = "um" ] ; then
> packagename=user-mode-linux-$version
> fi
>
> -# Try to determine maintainer and email values
> -if [ -n "$DEBEMAIL" ]; then
> - email=$DEBEMAIL
> -elif [ -n "$EMAIL" ]; then
> - email=$EMAIL
> -else
> - email=$(id -nu)@$(hostname -f 2>/dev/null || hostname)
> -fi
> -if [ -n "$DEBFULLNAME" ]; then
> - name=$DEBFULLNAME
> -elif [ -n "$NAME" ]; then
> - name=$NAME
> +email=${DEBEMAIL-$EMAIL}
> +
> +# use email string directly if it contains <email>
> +if echo $email | grep -q '<.*>'; then
> + maintainer=$email
Alternatively you can do:
case "$email" in
*\<*\>*)
maintainer="$email"
;;
*)
...
esac
which might be a tad quicker because case is shell-builtin.
> else
> - name="Anonymous"
> + # or construct the maintainer string
> + user=${KBUILD_BUILD_USER-$(id -nu)}
> + name=${DEBFULLNAME-$user}
> + if [ -z "$email" ]; then
> + buildhost=${KBUILD_BUILD_HOST-$(hostname -f 2>/dev/null || hostname)}
On Debian machines there is also /etc/mailname which should be preferred
over hostname -f.
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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