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28 lines
972 B
Markdown
28 lines
972 B
Markdown
# Set The asdf Package Version For A Single Shell
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Generally when using [`asdf`](https://asdf-vm.com/), I set the global version
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for a package/language to a good up-to-date default. And then I set `local`
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versions for specific projects which get written to the `.tool-versions` file.
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There is another option that `asdf` supports for when you want to use a version
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without it being so _sticky_.
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```bash
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$ asdf shell postgres 12.3
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$ psql --version
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psql (PostgreSQL) 12.3
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$ postgres --version
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postgres (PostgreSQL) 12.3
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```
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With the
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[`shell`](https://asdf-vm.com/#/core-manage-versions?id=set-current-version)
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command, I tell `asdf` to shim the specified package version just for this
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shell instance. If I switch back to another tab or open a new one, neither of
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them will have been impacted by this shell-constrained setting.
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This is handy for a one-off situation where you want to try something at a
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specific version without impact the rest of your terminal session.
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