diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..eb8a3c4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.shellcheck.tmp
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..dba7864
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,14 @@
+stages:
+    - test
+
+image: code.ungleich.ch:5050/ungleich-public/cdist/cdist-ci:latest
+
+shellcheck:
+    stage: test
+    script:
+        - ./scripts/run-shellcheck.sh
+
+manpages:
+    stage: test
+    script:
+      - ./scripts/run-manpage-checks.sh
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2cd9255..d2ebad0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,3 @@
-# cdist-contrib chsangelog
+# cdist-contrib changes
 
-## 2020-0?-??: 0.?.? (Not released yet)
-
-* New type: __find_exec (Ander Punnar)
+* 2020-04-28: New type: __find_exec (Ander Punnar)
diff --git a/README.md b/README.md
index 7dcd73f..ef4b2c3 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,8 @@ tool with community-maitained types which are either too specific to fit/be
 maintained in cdist itself or were not accepted in code cdist but could still
 be useful.
 
-The releases of cdist-contrib are not necessarly synced with cdist itself.
+This project does not have releases and is continously updated: see
+`CHANGELOG.md` for details.
 
 ## Using cdist-contrib
 
@@ -39,3 +40,16 @@ Join us on [#cdist:ungleich.ch][cdistmatrix] on matrix or on
 [cdistconfig]: https://www.cdi.st/manual/latest/cdist-configuration.html
 [cdistmatrix]: https://matrix.to/#/#cdist:ungleich.ch
 [cdistmattermost]: https://chat.ungleich.ch/ungleich/channels/cdist
+
+## Contributing
+
+The preferred way to submit patches is by opening Merge Requests against the
+[cdist-contrib project on
+code.ungleich.ch](https://code.ungleich.ch/ungleich-public/cdist-contrib) (you
+can make an account on
+[account.ungleich.ch](https://account.ungleich.ch/).
+
+Every type in cdist-contrib must:
+
+  * Have a `man.rst` documentation page.
+  * Pass [shellcheck](http://shellcheck.net/) without errors.
diff --git a/scripts/run-manpage-checks.sh b/scripts/run-manpage-checks.sh
new file mode 100755
index 0000000..828179b
--- /dev/null
+++ b/scripts/run-manpage-checks.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Move to top-level cdist-contrib directory.
+cd $(dirname $0)/..
+
+# Check that each type has a man page.
+status=0
+for t in type/*; do
+	if [ ! -f "$t/man.rst" ]; then
+		echo "No manpage for type $t!"
+		status=1
+	fi
+done
+
+exit $status
diff --git a/scripts/run-shellcheck.sh b/scripts/run-shellcheck.sh
new file mode 100755
index 0000000..769f853
--- /dev/null
+++ b/scripts/run-shellcheck.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+SHELLCHECKCMD="shellcheck -s sh -f gcc -x"
+# Skip SC2154 for variables starting with __ since such variables are cdist
+# environment variables.
+SHELLCHECK_SKIP=': __.*is referenced but not assigned.*\[SC2154\]'
+SHELLCHECKTMP=".shellcheck.tmp"
+
+# Move to top-level cdist-contrib directory.
+cd $(dirname $0)/..
+
+check () {
+	find type/ -type f $1 $2 -exec ${SHELLCHECKCMD} {} + | grep -v "${SHELLCHECK_SKIP}"  > "${SHELLCHECKTMP}"
+	test ! -s "${SHELLCHECKTMP}" || { cat "${SHELLCHECKTMP}"; exit 1; }
+}
+
+check -path "*/explorer/*"
+check -path "*/files/*"
+check -name manifest
+check -name gencode-local
+check -name gencode-remote