Merge branch 'install-git' into 'master'

Install git, add to the README

See merge request archlinux/archlinux-docker!83

.gitlab-ci.yml

@@ -62,7 +62,7 @@ get_version:
     matrix:
       - GROUP: [base, base-devel]
   before_script:
-    - pacman -Syu --noconfirm make fakechroot fakeroot
+    - pacman -Syu --noconfirm git make fakechroot fakeroot
     - pacman -Sdd --noconfirm devtools
   script:
     - make $PWD/output/Dockerfile.$GROUP

README.md

@@ -54,7 +54,8 @@ image for Arch Linux.
 Install the following Arch Linux packages:
 
 * make
-* devtools
+* devtools (for the pacman.conf files)
+* git (to fetch the commit/revision number)
 * podman
 * fakechroot
 * fakeroot