Gentoo ebuild fails to install

[OpenSauce04]

>>> Emerging (1 of 1) app-backup/grub-btrfs-4.12::guru
 * grub-btrfs-4.12.tar.gz BLAKE2B SHA512 size ;-) ...                    [ ok ]
>>> Unpacking source...
>>> Unpacking grub-btrfs-4.12.tar.gz to /var/tmp/portage/app-backup/grub-btrfs-4.12/work
>>> Source unpacked in /var/tmp/portage/app-backup/grub-btrfs-4.12/work
>>> Preparing source in /var/tmp/portage/app-backup/grub-btrfs-4.12/work/grub-btrfs-4.12 ...
 * Applying grub-btrfs-9999-remove-docs-from-make.patch ...
/var/tmp/portage/app-backup/grub-btrfs-4.12/temp/environment: line 327: /var/tmp/portage/app-backup/grub-btrfs-4.12/files/grub-btrfs-9999-remove-docs-from-make.patch: No such file or directory
/var/tmp/portage/app-backup/grub-btrfs-4.12/temp/environment: line 330: /var/tmp/portage/app-backup/grub-btrfs-4.12/files/grub-btrfs-9999-remove-docs-from-make.patch: No such file or directory                      [ !! ]
 * ERROR: app-backup/grub-btrfs-4.12::guru failed (prepare phase):
 *   patch -p1  failed with /var/tmp/portage/app-backup/grub-btrfs-4.12/files/grub-btrfs-9999-remove-docs-from-make.patch
 * 
 * Call stack:
 *               ebuild.sh, line 136:  Called src_prepare
 *             environment, line 572:  Called default
 *      phase-functions.sh, line 872:  Called default_src_prepare
 *      phase-functions.sh, line 948:  Called __eapi8_src_prepare
 *             environment, line 308:  Called eapply '--' '/var/tmp/portage/app-backup/grub-btrfs-4.12/files/grub-btrfs-9999-remove-docs-from-make.patch'
 *             environment, line 395:  Called _eapply_patch '/var/tmp/portage/app-backup/grub-btrfs-4.12/files/grub-btrfs-9999-remove-docs-from-make.patch'
 *             environment, line 333:  Called __helpers_die 'patch -p1  failed with /var/tmp/portage/app-backup/grub-btrfs-4.12/files/grub-btrfs-9999-remove-docs-from-make.patch'
 *   isolated-functions.sh, line 112:  Called die
 * The specific snippet of code:
 *          die "$@"
 * 
 * If you need support, post the output of `emerge --info '=app-backup/grub-btrfs-4.12::guru'`,
 * the complete build log and the output of `emerge -pqv '=app-backup/grub-btrfs-4.12::guru'`.
 * The complete build log is located at '/var/tmp/portage/app-backup/grub-btrfs-4.12/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/app-backup/grub-btrfs-4.12/temp/environment'.
 * Working directory: '/var/tmp/portage/app-backup/grub-btrfs-4.12/work/grub-btrfs-4.12'
 * S: '/var/tmp/portage/app-backup/grub-btrfs-4.12/work/grub-btrfs-4.12'

>>> Failed to emerge app-backup/grub-btrfs-4.12

[Schievel1]

Hi,

did you do an emerge --sync? The live build should not try to patch anything, anymore. See https://github.com/gentoo/guru/commit/0fd47e52392025b0416e81851ba176767c6cc04c