Jalil David Salamé Messina
cd38cd76fd
Who would've thought?
`:` means or empty, so:
```sh
VAR=
echo "${VAR-default}" # prints 'default'
VAR=''
echo "${VAR-default}" # prints ''
VAR=''
echo "${VAR:-default}" # prints 'default'
```
;-; nothing wants to work
63 lines
1.5 KiB
Bash
Executable file
63 lines
1.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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set -eu
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util_path="${GITHUB_ACTION_PATH:-.}/utils.sh"
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# shellcheck source=utils.sh
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. "${util_path}"
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group 'Retrieving Flake information'
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flake_info=$(nix flake show --json)
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endgroup
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group 'Show Packages'
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packages=$(
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jq --raw-output '.packages."x86_64-linux" | select(. != null) | keys[]' <<-EOF
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$flake_info
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EOF
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)
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log "$packages"
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endgroup
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group 'Show NixOS Configurations'
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configurations=$(
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jq --raw-output '.nixosConfigurations | select(. != null) | keys[]' <<-EOF
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$flake_info
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EOF
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)
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log "$configurations"
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endgroup
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pkgs_json() {
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group 'Building packages'
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trap endgroup RETURN
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for package in $packages; do
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log "Building $package"
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path=$(nix build --print-out-paths ".#$package")
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log "Calculating size of $package"
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nix path-info --closure-size --json "$path" |
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jq --compact-output --arg pkg "$package" '.[] | {"name": $pkg, "size": .closureSize, "narSize": .narSize}'
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done
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endgroup
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}
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configs_json() {
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group 'Building NixOS configurations'
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trap endgroup RETURN
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for config in $configurations; do
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log "Building $config"
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path=$(nix build --print-out-paths ".#nixosConfigurations.$config.config.system.build.toplevel")
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log "Calculating size of $config"
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nix path-info --closure-size --json "$path" |
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jq --compact-output --arg pkg "$config" '.[] | {"name": $pkg, "size": .closureSize, "narSize": .narSize}'
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done
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}
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pkgs=$(pkgs_json | jq --slurp '.')
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configs=$(configs_json | jq --slurp '.')
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echo "{}" | jq \
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--argjson pkgs "$pkgs" \
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--argjson configs "$configs" \
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'{"packages": $pkgs, "nixosConfigurations": $configs}'
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