78 lines
2.1 KiB
Bash
78 lines
2.1 KiB
Bash
#!/bin/env sh
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nf () {
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nix --extra-experimental-features nix-command --extra-experimental-features flakes "$@"
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}
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get_repo_basename() {
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basename "$(git rev-parse --show-toplevel)"
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}
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cleanup() {
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echo "Cleaning Up..."
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basename="$(get_repo_basename)"
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if [ -z "$basename" ]; then echo "basename not found"; exit 1; fi
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echo "basename is $basename..."
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nix-collect-garbage --delete-older-than 30d
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if ! grep -q "$(n profile list | grep '^Name:' | grep "$basename")"; then
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echo 'Installing Nix Profile...'
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nf profile install . --priority 6
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fi
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nf profile upgrade "$basename"
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echo 'Saving Nix Profile...'
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nf develop --profile /tmp/"$basename"-nix-env --command bash -c "echo done"
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}
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if ! which "$0" | grep -q nix; then
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print 'Entering Environment...'
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basename="$(get_repo_basename)"
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if [ -z "$basename" ]; then echo "basename not found"; exit 1; fi
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echo "basename is $basename..."
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print 'Updating Nix Cache...'
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nf flake update
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nf profile upgrade "$basename"
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print 'Starting...'
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# --impure allows Nix to reuse previously built paths
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# --ignore-environment ignores the environment variables and paths to tools not installed by nix
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nf develop \
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--ignore-environment \
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--impure \
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--keep HOME \
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--keep SSH_AUTH_SOCK \
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--keep GITHUB_TOKEN \
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--keep AWS_ROLE \
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--keep AWS_REGION \
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--keep AWS_DEFAULT_REGION \
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--keep AWS_ACCESS_KEY_ID \
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--keep AWS_SECRET_ACCESS_KEY \
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--keep AWS_SESSION_TOKEN \
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--keep TERM \
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--keep XDG_DATA_DIRS \
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/tmp/"$basename"-nix-env \
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--command bash -c "bash --rcfile .envrc"
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print 'Exiting Dev Environment...'
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cleanup
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else
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# this is run inside the dev environment so we can make assumptions about what is available
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echo 'Setting up dev environment...'
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. .functions
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. .variables
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. .rcs
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. .aliases
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if [ -z "$SSH_AUTH_SOCK" ]; then eval "$(ssh-agent -s)"; ssh-add; fi
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if ! env | grep -q 'AWS'; then
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echo 'Unable to find AWS authentication information in the environment, please make sure you authenticate with AWS.'
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echo 'Try using the "aws" cli included in the environment.'
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fi
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fi
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