[librsvg-oci-images/alatiera/cleanups] CI: Use CI_REGISTRY_IMAGE instead of hacks

[Jordan Petridis <jpetridis src gnome org>]

commit 07d713ed5ea91978d1a00e43380af95f486fa9c2
Author: Jordan Petridis <jpetridis gnome org>
Date:   Sun Dec 2 20:47:20 2018 +0200

    CI: Use CI_REGISTRY_IMAGE instead of hacks
    
    This achieves the same thing, but there's a pre-defined gitlab
    variable to do it!

 .gitlab-ci.yml | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index dbaeb80..877143e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -28,8 +28,7 @@ stages:
 .distro_template: &distro_build
     stage: distro
     before_script:
-        - export NAMESPACE="$(echo "${CI_PROJECT_NAMESPACE}" | tr A-Z a-z)"
-        - export IMAGE=${CI_REGISTRY}/${NAMESPACE}/${CI_PROJECT_NAME}/${ARCH}/${DISTRO_NAME}:${DISTRO_VER}
+        - export IMAGE=${CI_REGISTRY_IMAGE}/${ARCH}/${DISTRO_NAME}:${DISTRO_VER}
     <<: *base_build
 
 # Expects $COMPILER variable which should be the name of the compiler ex. rustc/gcc
@@ -38,8 +37,7 @@ stages:
 .rustc_template: &rustc
     stage: rustc
     before_script:
-        - export NAMESPACE="$(echo "${CI_PROJECT_NAMESPACE}" | tr A-Z a-z)"
-        - export IMAGE=${CI_REGISTRY}/${NAMESPACE}/${CI_PROJECT_NAME}/rustc:${TAG_VERSION}
+        - export IMAGE=${CI_REGISTRY_IMAGE}/rustc:${TAG_VERSION}
         - export OCI_YML=rustc.yml
         - export DIR=rustc/
         - sed -e "s|@RUSTC_VERSION@|$RUSTC_VERSION|" rustc/rustc_template > rustc/rustc.yml