Component's description in Nexus Repository - components

I have Nexus Repository Manager OSS 3.9.0-01 with some local hosted repositories.
There are a lot of different private components and I want to add some description for each of them. For example: full name, what problem does this component solve, maybe some release notes and others.
How can I do it? Maybe there are existed some plugins or other solutions?

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Clearcase multisite vs Gitlab.... anything?

The company I work for uses Clearcase, even though it was EOL'd on the platforms in which we run it years ago. It is ancient and fragile tech, but one thing it does have is a multisite support that allows for the synchronization of air-gapped repos. Because of security issues, we use secure USB sticks to copy packets and take them to the other side, then apply them with scripts.
Developers and DevOps people want to make a business case to migrate to GitLab, but I cannot find any mention of a feature in GitLab that would allow me to do easily do this. There's something about bundles, but the info I have found is years old and it doesn't seem like too many people are using it.
Does GitLab not support this? Simple synchronization of one repo to another over an air gap using some sort of secure media? If so, it's no wonder so many teams are still using ClearCase.
While not exactly easy, air-gap updates of Git repository is possible through the git bundle command.
It produces one file (with all the history, or only the latest commits for an incremental update), that you can:
copy and distribute easily (it is just one file after all)
clone or pull from(!)
This is not tied to GitLab, and can be applied to any Git repository.
From there, I have written before on migration from ClearCase to Git, and I usually:
do not import the full history, only major labels or UCM baselines
split VObs per project, each project being one Git repository
revisit what was versioned in Vobs: some large files/binaries might need to be .gitignore'd in the new Git repository.
You would not "migrate views": they are just workspace (be it static or dynamic). A simple clone of a repository is enough to recreate such a workspace (static here).

Is it possible to change action's version in github marketplace?

Given that action's versions derive from their repo's tags.
Can one change an already published version by moving the tag to another commit?
If so, it's a serious security problem.. but I can't find any source to reassure me.
Anyway, it is always possible to use commit id instead of version:)
Yes, that's possible. When a tag is moved to point to a different commit, the corresponding release becomes a draft and it disappears from the Marketplace, but it can be published again.
Notice that an action doesn't need to be published on the marketplace to be used anyway.
Moving tags is actually the official recommendation for major versions and it has been debated; that discussion mentions that versioning will improve when moving to using the GitHub Package Registry for Actions, but that hasn't happened yet and the GitHub roadmap doesn't mention it, as far as I can tell.

Gitlab repository vs project vs submodule

I started exploring Gitlab for version control management and I got an issue at the first step itsself. When ever I create a project its creating a new repository. I have few webapplications which are independent to each other. In that case do I need to use different repository for every project.
What I am looking for is what is what and when to use what but not able to find what is repository and what is project in gitlab website as well as through other sources as well.
Also I came across a term submodule, when can it be used. Can I create one global project and have all the webapplications as different submodules.
Can any one please help me in understanding the difference between those 3 and when to use what based on their intended way of usage. Also please help me by pointing to a good learning site where I can get the information of doing basic version control operations in gitlab.
Thanks.
Gitlab manages projects: a project has many features in addition of the Git repo it includes:
issues: powerful, but lightweight issue tracking system.
merge requests: you can review and discuss code before it is merged in the branch of your code.
wiki: separate system for documentation, built right into GitLab
snippets: Snippets are little bits of code or text.
So fear each repo you create, you get additional features in its associated project.
And you can manage users associated to that project.
See GitLab documentation for more.
The Git repo and Git submodule are pure Git notions.
In your case, a submodule might not be needed, unless you want a convenient way to remember the exact versions of different webapp repo, recorded in one parent repo.
But if that is the case, then yes, you can create one global project and have all the webapplications as different submodules.
Each of those submodules would have their own GitLab project (and Git repo).

Two close repos in Mercurial

I have a project I'm currently working on, which I am contemplating making open source, but I definitely want to keep it closed-source for the time being. Inside this project, I have a sort of subproject that I want to make public, so anyone can access/fork it.
So here's what I want:
A mercurial SCC with:
Repo 1: All files from /dir/project/ - Private repo, requires username/password to pull/push/fork/browse etc.
Repo 2: Some files from /dir/project/stuff - Public repo, but requires username/password to modify.
How can I do this? Is there a better way I can do this? I'm using my shared hosting Linux environment to do this, so is symbolic linking a better idea?
I'm open to all suggestions thanks, still a bit of a HG newbie.
You should use "subrepository" to define the two parts of your project:
your parent repo would be the private one, with a reference (in a .hgsub file) to your public repo ()
your public repo woud be stored in a public referential, with no knowledge of the private part.
(No symlink necessary here)
See also in the same kind of problem the SO question "Mercurial Subrepos - How do you create them and how do they work?".
Subrepositories is a feature that allows you to treat a collection of repositories as a group. This will allow you to clone, commit to, push, and pull projects and their associated libraries as a group.

Drupal: do you use SVN for websites development?

Do you use Subversion while developing a website with drupal ?
I'm not talking about modules development, but websites development (i.e. adding hook functions, modifying template file.. etc)
thanks
Yes.
Anything that's got any kind of ongoing development or is going to change over time should be version controlled.
Even if you're just doing a very small project, the value of having a version history is indesputable, and being able to make changes without worrying about overwriting someone else's updates is priceless.
Yes, its's good keep a SVN repository synced with your local instance.For that purpose you can use Eclipse.
Yes, but we are moving to git in the near future because it offers a better feature set (distributed SCM ftw) and more options for managing our code base (git submodules, stashing, better hook integration, better merging support, rebasing, and so much more). For the time being we've got our repos setup like so:
/trunk
/branches/6.x/1.x/core
/branches/6.x/1.x/sitename.domain.edu
/branches/6.x/1.x/sitename2.domain.edu
/branches/6.x/1.1.x/core
/branches/6.x/1.1.x/sitename.domain.edu
...
/tags/6.x/1.x/core
/tags/6.x/1.x/sitename.domain.edu
/tags/6.x/1.x/sitename2.domain.edu
/tags/6.x/1.1.x/core
/tags/6.x/1.1.x/sitename.domain.edu
...
Each branch is a svn copy of the trunk repo (where we do most of our development) and each tag is a svn copy of it's corresponding branch. The core branch is the primary distro that we distribute to all of our sites that share the university's look and feel, and each subsite is a site with special modules, custom theme, or any other functionality that isn't part of the primary distro. It makes moving between drupal releases a lot easier, but you can start to run into problems merging occasionally. Also you run into performance issues when the repo starts to grow, which is part of the reasoning behind moving to git.
Yes. Version control is critical. Distributed version control systems such as Git, Mercurial, and Bazaar are particularly nice, and let you start committing immediately, without the need to push those changes to a central server.
My Drupal workflow: use Mercurial and its sub-repositories feature to create independent repositories for 1) Drupal + contributed modules, 2) theme, and 3) custom modules. That way, I can clone from a single URL, get my entire project, and be able to track changes to each distinct piece independently.

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