Resolve "Support LFS in templates"

ci-templates/README.adoc

@@ -28,7 +28,6 @@ The Core pipeline, defined in link:ci-templates/core.yml[], has the following st
   * Check files have no trailing whitespace and are `UTF-8` encoded
   * Check that `C++` files follow this link:clang-format[]
 
-It is important to note that both templates set the variable `GIT_LFS_SKIP_SMUDGE`, which means that when the repositories are cloned/fetched, the files hosted using Git LFS will not be downloaded. An example on how to explicitely fetch the files from LFS can be found in the https://git.code.tecnalia.com/tecnalia_robotics/common_config/blob/e93dbe6379d94e6a895a33c59bf17ccab26eacf9/.gitlab-ci.yml#L132[common_config repository].
 
 == Manual Jobs
 
@@ -52,3 +51,9 @@ The auto rules also allow for using variables to explicitely activate each job:
 ```yml
 include::examples/build_vars.yml[]
 ```
+
+== LFS
+By default, lfs files are not downloaded. If you need to add LFS, include the link:ci-templates/lfs-pull.yml[] along with anything else:
+```yml
+include::examples/include_lfs.yml[]
+```
\ No newline at end of file

ci-templates/examples/include_lfs.yml

+include:
+  - project: tecnalia_robotics-public/gitlab_templates
+    file:
+      - ci-templates/auto-rules/kinetic-default.yml
+      - ci-templates/lfs-pull.yml

ci-templates/lfs-pull.yml

+.lfs-pull-script: &lfs-pull-script
+  "find $$current_ws -type f -name .lfsconfig -execdir git lfs pull \\; ;\
+   find $$current_ws -type f -name .lfsconfig -execdir git lfs ls-files \\; ;"
+
+.industrial_ci:
+  variables:
+    AFTER_INIT: "bash <(curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh);\
+                apt install -qq -y git-lfs; \
+                git config --global credential.helper store; \
+                echo https://$ARTIFACT_CI_USER:$ARTIFACT_CI_TOKEN@artifact.tecnalia.com > ~/.git-credentials ;"
+    BEFORE_INSTALL_TARGET_DEPENDENCIES: *lfs-pull-script
+    BEFORE_INSTALL_UPSTREAM_DEPENDENCIES: *lfs-pull-script