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Add Micromamba support (#800)
I initially tried to get Micromamba to work with Nushell by using the script from [this issue](https://github.com/nushell/nu_scripts/issues/578). But even after fixing the syntax errors I couldn't activate any env. With these modifications, Micromamba seems to be working fine. Please note that I'm far from a Nu expert so my code might not be very idiomatic. If that is the case please tell me so and I'll be happy to do the necessary changes.
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@ -2,7 +2,13 @@ def --env load-conda-info-env [] {
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if (not (has-env CONDA_INFO)) {
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export-env {
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$env.CONDA_INFO = (
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if not (which mamba | is-empty) {
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if not (which micromamba | is-empty) {
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mut info = micromamba env list --json | from json
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let extra_info = micromamba info --json | from json
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$info.envs_dirs = $extra_info."envs directories"
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$info.root_prefix = $extra_info."base environment"
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$info
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} else if not (which mamba | is-empty) {
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(mamba info --envs --json --no-banner | from json)
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} else if not (which conda | is-empty) {
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(conda info --envs --json | from json)
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@ -21,7 +27,7 @@ export def --env activate [
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load-conda-info-env
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let conda_info = $env.CONDA_INFO
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if ($conda_info == null) {
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print "Error: No Conda or Mamba install could be found in the environment. Please install either and add them to the environment. See: https://www.nushell.sh/book/environment.html for more info"
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print "Error: No Conda, Mamba or Micromamba install could be found in the environment. Please install either and add them to the environment. See: https://www.nushell.sh/book/environment.html for more info"
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return
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}
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