Refactor deb build and remove git pull before build

.gitlab-ci.yml

@@ -25,7 +25,6 @@ lint:
     - mkdir -p /go/src/gitlab.com/signald/signald-go
     - cp -r * /go/src/gitlab.com/signald/signald-go
   script:
-    - (git checkout "${CI_COMMIT_BRANCH}" && git pull) || true
     - VERSION="$(./version.sh)"
     - echo "building ${VERSION}"
     - cd /go/src/gitlab.com/signald/signald-go
@@ -43,7 +42,7 @@ lint:
     - apt-get update
     - apt-get install -y -t buster-backports git-buildpackage dh-golang bash-completion golang-any golang-github-spf13-cobra-dev golang-github-spf13-viper-dev
     - apt-get install -y ./*.deb && rm -vf *.deb
-    - (git checkout "${CI_COMMIT_BRANCH}" && git pull) || true
+    - 'sed -i "s/^Architecture:.*/Architecture: ${ARCH}/g" debian/control'
     - go run ./cmd/signaldctl doc -o man
     - go run ./cmd/signaldctl completion bash > debian/package.bash-completion
     - ls *.1 > debian/manpages
@@ -93,7 +92,6 @@ build:cross-compile:
     - mkdir -p /go/src/gitlab.com/signald/signald-go
     - cp -r * /go/src/gitlab.com/signald/signald-go
   script:
-    - (git checkout "${CI_COMMIT_BRANCH}" && git pull)|| true
     - VERSION="$(./version.sh)"
     - echo "building ${VERSION}"
     - cd /go/src/gitlab.com/signald/signald-go
@@ -117,23 +115,23 @@ build:cross-compile:
 
 build:x86:deb:
   extends: .build-deb
-  before_script:
-  - "sed -i 's/^Architecture:.*/Architecture: amd64/g' debian/control"
   rules:
     - when: on_success
+  variables:
+    ARCH: amd64
 
 build:aarch64:deb:
   extends: .build-deb
   tags: [arm-builder]
-  before_script:
-  - "sed -i 's/^Architecture:.*/Architecture: arm64/g' debian/control"
+  variables:
+    ARCH: arm64
 
 build:armhf:deb:
   extends: .build-deb
   image: arm32v7/debian:latest
   tags: [arm-builder]
-  before_script:
-  - "sed -i 's/^Architecture:.*/Architecture: armhf/g' debian/control"
+  variables:
+    ARCH: armhf
 
 publish deb:
   image: registry.gitlab.com/signald/infrastructure/signald-builder-x86:d5e68709
@@ -163,4 +161,3 @@ signald.org:
   rules:
     - if: '$CI_PROJECT_NAMESPACE == "signald" && $CI_COMMIT_REF_PROTECTED == "true"'
       when: on_success
-