nix-flake-outputs-size/scripts/create-report.sh
Jalil David Salamé Messina 4c32df2789
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refactor: move scripts to scripts folder
This is a bit tidier.
2025-07-10 20:39:33 +02:00

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#!/usr/bin/env bash
set -eu
util_path="${GITHUB_ACTION_PATH:-.}/scripts/utils.sh"
# shellcheck source=scripts/utils.sh
. "${util_path}"
group 'Retrieving Flake information'
flake_info=$(nix flake show --json)
endgroup
group 'Show Packages'
packages=$(
jq --raw-output '.packages."x86_64-linux" | select(. != null) | keys[]' <<-EOF
$flake_info
EOF
)
log "$packages"
endgroup
group 'Show Home Manager Configurations'
hmConfigs=$(
jq --raw-output '.homeConfigurations | select(. != null) | keys[]' <<-EOF
$flake_info
EOF
)
log "$hmConfigs"
endgroup
group 'Show NixOS Configurations'
nixosConfigs=$(
jq --raw-output '.nixosConfigurations | select(. != null) | keys[]' <<-EOF
$flake_info
EOF
)
log "$nixosConfigs"
endgroup
pkgs_json() {
group 'Building packages'
trap endgroup RETURN
for package in $packages; do
log "Building $package"
path=$(nix build --print-out-paths ".#$package")
log "Calculating size of $package at $path"
nix path-info --closure-size --json "$path" | tee |
jq --compact-output --arg pkg "$package" '.[] | {"name": $pkg, "size": .closureSize, "narSize": .narSize}'
done
endgroup
}
hm_configs_json() {
group 'Building Home Manager configurations'
trap endgroup RETURN
for config in $hmConfigs; do
log "Building $config"
path=$(nix build --print-out-paths ".#homeConfigurations.$config.activationPackages")
log "Calculating size of $config"
nix path-info --closure-size --json "$path" |
jq --compact-output --arg pkg "$config" '.[] | {"name": $pkg, "size": .closureSize, "narSize": .narSize}'
done
}
nixos_configs_json() {
group 'Building NixOS configurations'
trap endgroup RETURN
for config in $nixosConfigs; do
log "Building $config"
path=$(nix build --print-out-paths ".#nixosConfigurations.$config.config.system.build.toplevel")
log "Calculating size of $config"
nix path-info --closure-size --json "$path" |
jq --compact-output --arg pkg "$config" '.[] | {"name": $pkg, "size": .closureSize, "narSize": .narSize}'
done
}
pkgs=$(pkgs_json | jq --slurp '.')
hmConfigs=$(hm_configs_json | jq --slurp '.')
nixosConfigs=$(nixos_configs_json | jq --slurp '.')
echo "{}" | jq \
--argjson pkgs "$pkgs" \
--argjson nixosConfigs "$nixosConfigs" \
--argjson hmConfigs "$hmConfigs" \
'{"packages": $pkgs, "nixosConfigurations": $nixosConfigs, "homeConfigurations": $hmConfigs}'