[Buildroot] [PATCH] support/apply-patches: don't bail-out on libtool patch while using <package>-reconfigure

[Yann E. MORIN <yann.morin.1998@free.fr>]

Romain, All,

On 2016-08-14 01:06 +0200, Romain Naour spake thusly:
> Since 19241598147e7555dce40b6dd44b28ef22b67ed9 <package>-reconfigure target is
> broken.
> 
> $ make elementary-reconfigure
> Applying buildroot-libtool-v2.4.4.patch using patch:
> Error: duplicate filename 'buildroot-libtool-v2.4.4.patch'
> Conflicting files are:
>   already applied: buildroot/support/libtool/buildroot-libtool-v2.4.4.patch
>   to be applied  : buildroot/support/libtool/buildroot-libtool-v2.4.4.patch
> 
> When a package use AUTORECONF, the libtool patch can be applied many
> times as the <package>-reconfigure target is called. This is not a
> problem since autoreconf will overwrite the previously patched files.
> 
> Don't bail-out on libtool patch if already present in .applied_patches_list.
> 
> Signed-off-by: Romain Naour <romain.naour@gmail.com>
> Cc: "Yann E. MORIN" <yann.morin.1998@free.fr>
> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> ---
>  support/scripts/apply-patches.sh | 18 ++++++++++++------
>  1 file changed, 12 insertions(+), 6 deletions(-)
> 
> diff --git a/support/scripts/apply-patches.sh b/support/scripts/apply-patches.sh
> index 7ccb39d..11b218f 100755
> --- a/support/scripts/apply-patches.sh
> +++ b/support/scripts/apply-patches.sh
> @@ -107,13 +107,19 @@ function apply_patch {
>      fi
>      existing="$(grep -E "/${patch}\$" ${builddir}/.applied_patches_list || true)"
>      if [ -n "${existing}" ]; then
> -        echo "Error: duplicate filename '${patch}'"
> -        echo "Conflicting files are:"
> -        echo "  already applied: ${existing}"
> -        echo "  to be applied  : ${path}/${patch}"
> -        exit 1
> +        # When a package use AUTORECONF, the libtool patch can be applied many
> +        # times as the <package>-reconfigure target is called. This is not a
> +        # problem since autoreconf will overwrite the previously patched files.
> +        if [[ ${patch} != buildroot-libtool-v*.patch ]]; then

I'm not very fond of treating the patch name as a magic value. Rather,
I would suggest we add an option to apply-patches.sh to not fail on a
duplicate patch.

And at the same time, turn all positional arguments into options, so
that it becomes easy to manage.

Regards,
Yann E. MORIN.

> +            echo "Error: duplicate filename '${patch}'"
> +            echo "Conflicting files are:"
> +            echo "  already applied: ${existing}"
> +            echo "  to be applied  : ${path}/${patch}"
> +            exit 1
> +        fi
> +    else
> +        echo "${path}/${patch}" >> ${builddir}/.applied_patches_list
>      fi
> -    echo "${path}/${patch}" >> ${builddir}/.applied_patches_list
>      ${uncomp} "${path}/$patch" | patch -g0 -p1 -E -d "${builddir}" -t -N $silent
>      if [ $? != 0 ] ; then
>          echo "Patch failed!  Please fix ${patch}!"
> -- 
> 2.5.5
> 

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