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+# Bulk edit settings for GitLab projects
+
+So, you have a bunch of projects on GitLab and you want to edit settings for all of them. For example, disable issues everywhere. There is a little guide how.
+
+We'll actively use the power of bash pipes, so the first thing you need is a good CLI client for GitLab with support for editing settings. I've picked [python-gitlab](https://python-gitlab.readthedocs.io/en/stable/index.html). Let's install it:
+
+```bash
+python3 -m pip install -U --user python-gitlab
+```
+
+Check if it works:
+
+```bash
+gitlab --version
+```
+
+Now, let's give it an access. [Generate a personal access token](https://gitlab.com/-/profile/personal_access_tokens) and set it as `GITLAB_PRIVATE_TOKEN` environment variable:
+
+```bash
+export GITLAB_PRIVATE_TOKEN="insert-your-token-here"
+```
+
+How do you want to filter the projects you want to edit? In my case, I want to edit all projects in a specific group (organization is also considered a group from the API perspective). For that, you need to find out the group ID. So, let's list all groups we have an access to with their name and ID:
+
+```bash
+gitlab group list
+```
+
+Add `-o json` after `gitlab` if you need more information.
+
+Get IDs for all projects you own (and so can edit) in a specific group:
+
+```bash
+gitlab group-project list --group-id YOUR_GROUP_ID --owned=true
+```
+
+So, how to edit the settings for a given project? There is a subcommand `gitlab project update`. It has a [CLI reference](https://python-gitlab.readthedocs.io/en/stable/cli-objects.html#gitlab-project-update) (you can get the same by executing `gitlab project update -h`) but it doesn't have descriptions for any options. So, you'll also need [the official GitLab API reference](https://docs.gitlab.com/ee/api/projects.html#edit-project), it has a good description for each field. You need both references, though, because the CLI doesn't support some of the API fields.
+
+So, if you want to disable issues for a project with ID 123:
+
+```bash
+gitlab project update --issues-access-level disabled --id 123
+```
+
+The output is pretty verbose. When we runn it in a loop, it will bloat the terminal. The tool has `--fields` option but somehow it doesn't work for me. So, instead we'll output the result as a JSON and filter it using [jq](https://stedolan.github.io/jq/) (install it with `sudo apt install jq`):
+
+```bash
+gitlab -o json project update --issues-access-level disabled --id 123 | jq .name
+```
+
+And now, let's glue everything together. We'll use [grep](https://en.wikipedia.org/wiki/Grep) to extract IDs from the `gitlab group-project list` output and [xargs](https://en.wikipedia.org/wiki/Xargs) to call `gitlab project update` with each ID as the last argument. Here is the result:
+
+```bash
+gitlab group-project list --group-id {{.GROUP_ID}} --owned=true \
+    | grep -oE '[0-9]+' \
+    | xargs -n1 gitlab -o json project update --issues-access-level disabled --id \
+    | jq .name
+```
+
+I hope it saved your day.