upgpkg: 2:2.12rc1-1: new upstream pre-release

PKGBUILD

@@ -18,8 +18,8 @@ _GRUB_EMU_BUILD="0"
 pkgname='grub'
 pkgdesc='GNU GRand Unified Bootloader (2)'
 epoch=2
-_commit='6425c12cd77ad51ad24be84c092aefacf0875089'
-_pkgver=2.06.r591.g6425c12cd
+_tag='bb59f566e1e5c387dbfd342bb3767f761422c744' # git rev-parse grub-${_pkgver}
+_pkgver=2.12rc1
 _unifont_ver='15.0.06'
 pkgver=${_pkgver/-/}
 pkgrel=1
@@ -57,7 +57,7 @@ validpgpkeys=('E53D497F3FA42AD8C9B4D1E835A93B74E82E4209'  # Vladimir 'phcoder' S
               'BE5C23209ACDDACEB20DB0A28C8189F1988C2166'  # Daniel Kiper <dkiper@net-space.pl>
               '95D2E9AB8740D8046387FD151A09227B1F435A33') # Paul Hardy <unifoundry@unifoundry.com>
 
-source=("git+https://git.savannah.gnu.org/git/grub.git#commit=${_commit}"
+source=("git+https://git.savannah.gnu.org/git/grub.git#tag=${_tag}?signed"
         'git+https://git.savannah.gnu.org/git/gnulib.git'
         "https://ftp.gnu.org/gnu/unifont/unifont-${_unifont_ver}/unifont-${_unifont_ver}.bdf.gz"{,.sig}
         '0001-00_header-add-GRUB_COLOR_-variables.patch'