magit-svn is available on MELPA, and it allows you to use git-svn from the comfort of #Emacs. Indispensible if you're dealing with svn.
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I'm never sure what to name my remotes in git. I tend to use 'mine' so I can add other forks later, but sometimes I use 'gh' or the traditional 'origin'.
What do others use?
I really like the MELPA model of packaging directly from git. It solves the problem of forgetting to release something -- just merge a PR and you're done.
It also makes version number bumps much less important.
You could go even further in a statically typed language and also figure out when breaking changes occur.
Coming from JS or Python, imports in Rust feel weird. They're entirely optional aliases for fully qualified symbols, which are always available.
I don't know of many other languages where you can just start using libraries. Java is the only one I can think of.