diff --git a/jobs/gerrit-binpkgs.yml b/jobs/gerrit-binpkgs.yml
index 7cf2230b..a6cf44b8 100644
--- a/jobs/gerrit-binpkgs.yml
+++ b/jobs/gerrit-binpkgs.yml
@@ -28,7 +28,7 @@
 
     scm:
       - git:
-         basedir: 'code-from-gerrit'
+         basedir: '$PROJECT_NAME'
          url: '$GERRIT_REPO_URL'
          credentials-id: d5eda5e9-b59d-44ba-88d2-43473cb6e42d
          branches:
@@ -60,27 +60,9 @@
             osmo-ci
           git -C osmo-ci log --oneline
 
-          # Move code from gerrit to build_srcpkg.py's git cache
-          cache_dir=osmo-ci/scripts/obs/_cache
-          mkdir -p $cache_dir
-          mv code-from-gerrit "$cache_dir/$PROJECT_NAME"
+          cd "$PROJECT_NAME"
+          ../osmo-ci/scripts/obs/gerrit_binpkgs.sh "$DISTRO"
 
-          # Set a known branch name
-          git -C "$cache_dir/$PROJECT_NAME" checkout -B "origin/gerrit"
-
-          # Build source package
-          cd osmo-ci/scripts/obs/
-          ./build_srcpkg.py \
-            --docker \
-            --feed master \
-            --git-branch gerrit \
-            --git-skip-fetch \
-            "$PROJECT_NAME"
-
-          # Build binary package
-          ./build_binpkg.py \
-            --docker "$DISTRO" \
-            "$PROJECT_NAME"
     wrappers:
     - ansicolor:
         colormap: xterm
diff --git a/scripts/obs/README b/scripts/obs/README
index cf8e2019..e6ca5021 100644
--- a/scripts/obs/README
+++ b/scripts/obs/README
@@ -4,6 +4,7 @@ This directory contains the following scripts, related to building Osmocom
 projects in OBS (Open Build Service) and building binary packages. Here is an
 overview of the scripts, run them with -h to get a more detailed description.
 
+* gerrit_binpkgs.sh: build source + binary packages like CI for gerrit
 * build_srcpkg.py: build one source package for an Osmocom project
 * update_obs_project.py: generate source packages and upload them to OBS
 * build_binpkg.py: build rpm/deb packages for one Osmocom project
diff --git a/scripts/obs/gerrit_binpkgs.sh b/scripts/obs/gerrit_binpkgs.sh
new file mode 100755
index 00000000..1e4ae26d
--- /dev/null
+++ b/scripts/obs/gerrit_binpkgs.sh
@@ -0,0 +1,40 @@
+#!/bin/sh -e
+SCRIPTS_OBS_DIR="$(realpath "$(dirname "$0")")"
+
+DISTRO="$1"
+if [ -z "$DISTRO" ]; then
+	echo "usage: gerrit-binpkgs.sh DISTRO"
+	echo "examples:"
+	echo "  gerrit-binpkgs.sh debian:12"
+	echo "  gerrit-binpkgs.sh almalinux:8"
+	exit 1
+fi
+
+GIT_REPO_DIR="$(git rev-parse --show-toplevel 2>/dev/null || true)"
+if [ -z "$GIT_REPO_DIR" ]; then
+	echo "ERROR: run inside a git repository of an Osmocom project"
+	exit 1
+fi
+
+CACHE_DIR="$SCRIPTS_OBS_DIR/_cache"
+PROJECT_NAME="$(basename "$GIT_REPO_DIR")"
+
+# Copy the source dir into the cache dir. It will be mounted inside the docker
+# containers for building source and binary packages (so using a symlink does
+# not work). Use rsync so it is very fast.
+echo ":: Copying the source to the cache dir"
+mkdir -p "$CACHE_DIR"
+rsync -a --delete "$GIT_REPO_DIR" "$CACHE_DIR"
+
+echo ":: Building the source package"
+"$SCRIPTS_OBS_DIR"/build_srcpkg.py \
+	--docker \
+	--feed master \
+	--git-skip-fetch \
+	--git-skip-checkout \
+	"$PROJECT_NAME"
+
+echo ":: Building the binary packages"
+"$SCRIPTS_OBS_DIR"/build_binpkg.py \
+	--docker "$DISTRO" \
+	"$PROJECT_NAME"