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home-manager: add repl subcommand
Similar to the `nixos-rebuild repl` command, `home-manager repl` will launch the Nix read-evaluate-print-loop environment with the Home Manager configuration loaded. To make that more useful, also add the pkgs and options attributes from the generated Home Manager configuration to the environment. This doesn't currently work with flakes, because I don't use them and I'm not confident I could safely test that function.
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2 changed files with 30 additions and 2 deletions
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@ -634,6 +634,28 @@ function doBuild() {
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presentNews
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}
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function doRepl() {
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setFlakeAttribute
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if [[ -v FLAKE_CONFIG_URI ]]; then
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_i 'home-manager repl does not (yet) support flakes' >&2
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return 1
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fi
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setConfigFile
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extraArgs=()
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for p in "${EXTRA_NIX_PATH[@]}"; do
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extraArgs+=(-I "$p")
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done
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exec nix repl \
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--file '<home-manager/home-manager/home-manager.nix>' \
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"${extraArgs[@]}" \
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"${PASSTHROUGH_OPTS[@]}" \
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--argstr confPath "$HOME_MANAGER_CONFIG" \
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--argstr confAttr "$HOME_MANAGER_CONFIG_ATTRIBUTE"
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}
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function doSwitch() {
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setWorkDir
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@ -937,6 +959,9 @@ function doHelp() {
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echo " Remove indicated generations. Use 'generations' command to"
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echo " find suitable generation numbers."
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echo
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echo " repl"
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echo " Opens the configuration in \`nix repl\`"
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echo
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echo " expire-generations TIMESTAMP"
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echo " Remove generations older than TIMESTAMP where TIMESTAMP is"
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echo " interpreted as in the -d argument of the date tool. For"
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@ -960,7 +985,7 @@ while [[ $# -gt 0 ]]; do
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opt="$1"
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shift
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case $opt in
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build|init|instantiate|option|edit|expire-generations|generations|help|news|packages|remove-generations|switch|uninstall)
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build|init|instantiate|option|edit|expire-generations|generations|help|news|packages|remove-generations|repl|switch|uninstall)
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COMMAND="$opt"
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;;
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-A)
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@ -1105,6 +1130,9 @@ case $COMMAND in
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packages)
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doListPackages
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;;
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repl)
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doRepl
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;;
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news)
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doShowNews --all
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;;
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@ -15,4 +15,4 @@ let
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check = check;
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};
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in { inherit (env) activationPackage config; }
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in { inherit (env) activationPackage config pkgs options; }
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