Fixed build for Arch

Dockerfile.build-arch

@@ -1,13 +1,10 @@
-FROM base/archlinux
+FROM archlinux/base
 
 MAINTAINER ulauncher.app@gmail.com
 
-WORKDIR /root/ulauncher
+RUN useradd -ms /bin/sh kenny && \
+    pacman --noconfirm -Syu && \
+    pacman --noconfirm -S binutils python2 git grep openssh
 
-RUN pacman --noconfirm -Syu && \
-    pacman --noconfirm -S \
-    python2 \
-    pkgbuild-introspection \
-    git \
-    grep \
-    openssh
+WORKDIR /home/kenny
+USER kenny

build-utils/aur-update.py

@@ -91,7 +91,8 @@ def push_update(pkgbuild):
     run_shell(('git', 'config', 'user.name', 'Aleksandr Gornostal'))
     with open('PKGBUILD', 'w') as f:
         f.write(pkgbuild)
-    run_shell(('mksrcinfo'))
+    with open('.SRCINFO', 'wb') as f:
+        run_shell(('makepkg', '--printsrcinfo'), stdout=f)
     run_shell(('git', 'add', 'PKGBUILD', '.SRCINFO'))
     run_shell(('git', 'commit', '-m', 'Version update %s' % version))
     run_shell(('git', 'push', 'origin', 'master'), env=ssh_enabled_env)