Hello Jon,

On Thu, Aug 02, 2018 at 09:49:59PM -0400, [email protected] wrote:
> diff --git a/scripts/git-ptx-patches b/scripts/git-ptx-patches
> index f2568f9..738a4ac 100755
> --- a/scripts/git-ptx-patches
> +++ b/scripts/git-ptx-patches
> @@ -2,11 +2,33 @@
>  
>  PTX_PATCHES_HEADER="# generated by git-ptx-patches"
>  
> -function _md5sum() {
> -     local sum=$(md5sum)
> +function _sha1sum() {
> +     local sum=$(git rev-parse HEAD)
>       echo "# $sum git-ptx-patches magic"
>  }
>  
> +update_series_md5() {
> +     local makefile="$(readlink -f .ptxdist/rule.make)"
> +     source .ptxdist/rule.env
> +     set -- $(md5sum .ptxdist/series)
> +     local md5="${1}"

Is this better than:

        local md5="$(md5sum .ptxdist/series)"

?

If I understand this right, this catches updates to the patch series
that change the series but if I only amend a patch this goes unnoticed.

Given that md5 is considered weak today, maybe use something more modern
instead (e.g. sha256?).

> +     local count=$(grep "^${PKG}_SERIES_MD5[  ]*:=" "${makefile}" 2> 
> /dev/null | wc -l)
> +     if [ "${count}" -gt 1 ]; then
> +             echo "Error: Could not update patch series md5sum for 
> '${pkg_label}': ${PKG}_SERIES_MD5 found ${count} times in '${makefile}'."
> +             exit 1
> +     fi
> +     local current_md5=$(grep "^PUGIXML_SERIES_MD5[   ]*:= " ${makefile} 
> |cut -f2 -d=|xargs)

PUGIXML?

> +     if [ "${current_md5}" != "${md5}" ]; then
> +             sed -i "s/^\(\<${PKG}_SERIES_MD5[        ]*:=\) *[a-f0-9]*\$/\1 
> ${md5}/" "${makefile}"
> +             if ! grep -q "${md5}\$" .ptxdist/rule.make; then
> +                     echo "Warning: ${PKG}_SERIES_MD5 is missing from 
> '${makefile}'."
> +             else
> +                     echo "New patch series checksum for '${pkg_label}': 
> ${md5} in '${makefile}'."
> +             fi
> +     fi
> +}
> +
>  if [ ! -L .ptxdist/patches ]; then
>       echo "Error: This is not patched by ptxdist. Aborting."
>       exit 1

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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