mr: Lazy processing of repositories

Joey Hess joey at
Thu Nov 3 18:56:53 CET 2011

Svend Sorensen wrote:
> I'm using mr to manage the repositories for the various software that I
> track. However, I don't want to check out all the repos by default. (The
> list is getting long). I also don't want to make a modification to the
> .mrconfig each time I want to check out a repo. (E.g. have 'skip = true'
> on all repos, and remove the skip if I decide to check out a repo.)
> I'm looking for a way to do lazy checkouts and updates. A lazy repo
> would not be checked out unless I run a command to tell mr to check out
> the repo. (Something like mr checkout foo.) After I force mr to check
> out a lazy repo, mr would act on the repo for future mr runs.
> One way to do this is to have skip check for the existence of a
> different file for each repo. Creating the file would activate the repo.
> Any ideas for a better approach?

Good idea! In mr git, you can now use skip = lazy to get this behavior.

The lazy shell function is built into mr, but this shows how it works:

        lazy() {
                if [ "$MR_ACTION" = checkout ] || [ -d "$MR_REPO" ]; then
                        return 1
                        return 0

see shy jo
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