diff --git a/scripts/git_sort/tests/Docker/opensuse-15.4.Dockerfile b/scripts/git_sort/tests/Docker/opensuse-15.4.Dockerfile
index 1d5cbc7..38868cb 100644
--- a/scripts/git_sort/tests/Docker/opensuse-15.4.Dockerfile
+++ b/scripts/git_sort/tests/Docker/opensuse-15.4.Dockerfile
@@ -12,7 +12,7 @@ RUN git config --global user.name "Your Name"
 
 COPY Kernel.gpg /tmp
 RUN rpmkeys --import /tmp/Kernel.gpg
-RUN zypper -n ar https://download.opensuse.org/repositories/Kernel:/tools/SLE_15_SP4/Kernel:tools.repo
+RUN zypper -n ar -f https://download.opensuse.org/repositories/Kernel:/tools/SLE_15_SP4/Kernel:tools.repo
 RUN zypper -n in python3-pygit2 quilt
 
 FROM packages
diff --git a/scripts/git_sort/tests/Docker/opensuse-tumbleweed.Dockerfile b/scripts/git_sort/tests/Docker/opensuse-tumbleweed.Dockerfile
index af6cfbc..a3956e5 100644
--- a/scripts/git_sort/tests/Docker/opensuse-tumbleweed.Dockerfile
+++ b/scripts/git_sort/tests/Docker/opensuse-tumbleweed.Dockerfile
@@ -12,7 +12,7 @@ RUN git config --global user.name "Your Name"
 
 COPY Kernel.gpg /tmp
 RUN rpmkeys --import /tmp/Kernel.gpg
-RUN zypper -n ar https://download.opensuse.org/repositories/Kernel:/tools/openSUSE_Factory/Kernel:tools.repo
+RUN zypper -n ar -f https://download.opensuse.org/repositories/Kernel:/tools/openSUSE_Factory/Kernel:tools.repo
 RUN zypper -n in --from Kernel_tools quilt
 
 FROM packages
diff --git a/scripts/git_sort/tests/Docker/sle12-sp4.Dockerfile b/scripts/git_sort/tests/Docker/sle12-sp4.Dockerfile
index 49d8f9c..e5c6989 100644
--- a/scripts/git_sort/tests/Docker/sle12-sp4.Dockerfile
+++ b/scripts/git_sort/tests/Docker/sle12-sp4.Dockerfile
@@ -2,15 +2,13 @@
 FROM registry.suse.de/suse/containers/sle-server/12-sp4/containers/suse/sles12sp4:latest AS base
 
 RUN rpm -e container-suseconnect
-RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-12:/GA/standard/SUSE:SLE-12:GA.repo
-RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-12:/Update/standard/SUSE:SLE-12:Update.repo
-RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD1/ DVD1
-RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD2/ DVD2
-RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD3/ DVD3
+RUN zypper -n ar -f http://download.suse.de/ibs/SUSE:/SLE-12:/GA/standard/SUSE:SLE-12:GA.repo
+RUN zypper -n ar -f http://download.suse.de/ibs/SUSE:/SLE-12:/Update/standard/SUSE:SLE-12:Update.repo
+RUN zypper -n ar -f http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD1/ DVD1
+RUN zypper -n ar -f http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD2/ DVD2
+RUN zypper -n ar -f http://download.suse.de/install/SLP/SLE-12-SP4-Server-GM/$(rpm -E %_arch)/DVD3/ DVD3
 # RUN zypper -n ar -G http://updates.suse.de/SUSE/Products/SLE-SDK/12-SP4/$(rpm -E %_arch)/product/ SDK
-RUN zypper -n ar http://download.suse.de/update/build.suse.de/SUSE/Updates/SLE-SERVER/12-SP4/$(rpm -E %_arch)/update/SUSE:Updates:SLE-SERVER:12-SP4:$(rpm -E %_arch).repo
-
-RUN zypper -n ref
+RUN zypper -n ar -f http://download.suse.de/update/build.suse.de/SUSE/Updates/SLE-SERVER/12-SP4/$(rpm -E %_arch)/update/SUSE:Updates:SLE-SERVER:12-SP4:$(rpm -E %_arch).repo
 
 FROM base AS packages
 
@@ -21,7 +19,7 @@ RUN git config --global user.name "Your Name"
 
 COPY Kernel.gpg /tmp
 RUN rpmkeys --import /tmp/Kernel.gpg
-RUN zypper -n ar https://download.opensuse.org/repositories/Kernel:/tools/SLE_12_SP4/Kernel:tools.repo
+RUN zypper -n ar -f https://download.opensuse.org/repositories/Kernel:/tools/SLE_12_SP4/Kernel:tools.repo
 RUN zypper -n in python3-pygit2 quilt
 
 FROM packages
diff --git a/scripts/git_sort/tests/Docker/sle12-sp5.Dockerfile b/scripts/git_sort/tests/Docker/sle12-sp5.Dockerfile
index f5e2f58..92bf25c 100644
--- a/scripts/git_sort/tests/Docker/sle12-sp5.Dockerfile
+++ b/scripts/git_sort/tests/Docker/sle12-sp5.Dockerfile
@@ -2,15 +2,13 @@
 FROM registry.suse.de/suse/containers/sle-server/12-sp5/containers/suse/sles12sp5:latest AS base
 
 RUN rpm -e container-suseconnect
-RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-12:/GA/standard/SUSE:SLE-12:GA.repo
-RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-12:/Update/standard/SUSE:SLE-12:Update.repo
-RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD1/ DVD1
-RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD2/ DVD2
-RUN zypper -n ar http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD3/ DVD3
+RUN zypper -n ar -f http://download.suse.de/ibs/SUSE:/SLE-12:/GA/standard/SUSE:SLE-12:GA.repo
+RUN zypper -n ar -f http://download.suse.de/ibs/SUSE:/SLE-12:/Update/standard/SUSE:SLE-12:Update.repo
+RUN zypper -n ar -f http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD1/ DVD1
+RUN zypper -n ar -f http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD2/ DVD2
+RUN zypper -n ar -f http://download.suse.de/install/SLP/SLE-12-SP5-Server-GM/$(rpm -E %_arch)/DVD3/ DVD3
 # RUN zypper -n ar -G http://updates.suse.de/SUSE/Products/SLE-SDK/12-SP5/$(rpm -E %_arch)/product/ SDK
-RUN zypper -n ar http://download.suse.de/update/build.suse.de/SUSE/Updates/SLE-SERVER/12-SP5/$(rpm -E %_arch)/update/SUSE:Updates:SLE-SERVER:12-SP5:$(rpm -E %_arch).repo
-
-RUN zypper -n ref
+RUN zypper -n ar -f http://download.suse.de/update/build.suse.de/SUSE/Updates/SLE-SERVER/12-SP5/$(rpm -E %_arch)/update/SUSE:Updates:SLE-SERVER:12-SP5:$(rpm -E %_arch).repo
 
 FROM base AS packages
 
@@ -21,7 +19,7 @@ RUN git config --global user.name "Your Name"
 
 COPY Kernel.gpg /tmp
 RUN rpmkeys --import /tmp/Kernel.gpg
-RUN zypper -n ar https://download.opensuse.org/repositories/Kernel:/tools/SLE_12_SP5/Kernel:tools.repo
+RUN zypper -n ar -f https://download.opensuse.org/repositories/Kernel:/tools/SLE_12_SP5/Kernel:tools.repo
 RUN zypper -n in python3-pygit2 quilt
 
 FROM packages
diff --git a/scripts/git_sort/tests/Docker/sle15.Dockerfile b/scripts/git_sort/tests/Docker/sle15.Dockerfile
index 4d1cc54..8b36b2f 100644
--- a/scripts/git_sort/tests/Docker/sle15.Dockerfile
+++ b/scripts/git_sort/tests/Docker/sle15.Dockerfile
@@ -2,8 +2,8 @@
 FROM registry.suse.de/suse/sle-15/update/images/suse/sle15:latest AS base
 
 RUN rpm -e container-suseconnect
-RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-15:/GA/standard/SUSE:SLE-15:GA.repo
-RUN zypper -n ar http://download.suse.de/ibs/SUSE:/SLE-15:/Update/standard/SUSE:SLE-15:Update.repo
+RUN zypper -n ar -f http://download.suse.de/ibs/SUSE:/SLE-15:/GA/standard/SUSE:SLE-15:GA.repo
+RUN zypper -n ar -f http://download.suse.de/ibs/SUSE:/SLE-15:/Update/standard/SUSE:SLE-15:Update.repo
 RUN zypper -n ref
 
 FROM base AS packages
@@ -15,7 +15,7 @@ RUN git config --global user.name "Your Name"
 
 COPY Kernel.gpg /tmp
 RUN rpmkeys --import /tmp/Kernel.gpg
-RUN zypper -n ar https://download.opensuse.org/repositories/Kernel:/tools/SLE_15/Kernel:tools.repo
+RUN zypper -n ar -f https://download.opensuse.org/repositories/Kernel:/tools/SLE_15/Kernel:tools.repo
 RUN zypper -n in python3-pygit2 quilt
 
 FROM packages