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debug: add module
This one is fairly similar to `environment.enableDebugInfo`[1] (hence the name). It ensures that the `debug`-output of packages defined in `home.packages` is installed if available and ensures that `gdb`/`elfutils` find those symbols by adding `~/.nix-profile/lib/debug` to the `NIX_DEBUG_INFO_DIRS`[2] variable. [1] https://github.com/NixOS/nixpkgs/blob/release-19.09/nixos/modules/config/debug-info.nix [2] https://github.com/NixOS/nixpkgs/blob/release-19.09/pkgs/development/tools/misc/gdb/debug-info-from-env.patch PR #1040
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4 changed files with 54 additions and 1 deletions
26
modules/misc/debug.nix
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26
modules/misc/debug.nix
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{ config, pkgs, lib, ... }:
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with lib;
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{
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options.home = {
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enableDebugInfo = mkEnableOption "" // {
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description = ''
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Some Nix-packages provide debug symbols for
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<command>gdb</command> in the <literal>debug</literal>-output.
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This option ensures that those are automatically fetched from
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the binary cache if available and <command>gdb</command> is
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configured to find those symbols.
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'';
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};
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};
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config = mkIf config.home.enableDebugInfo {
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home.extraOutputsToInstall = [ "debug" ];
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home.sessionVariables = {
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NIX_DEBUG_INFO_DIRS =
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"$NIX_DEBUG_INFO_DIRS\${NIX_DEBUG_INFO_DIRS:+:}${config.home.profileDirectory}/lib/debug";
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};
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};
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}
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@ -26,6 +26,7 @@ let
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(loadModule ./home-environment.nix { })
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(loadModule ./home-environment.nix { })
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(loadModule ./manual.nix { })
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(loadModule ./manual.nix { })
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(loadModule ./misc/dconf.nix { })
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(loadModule ./misc/dconf.nix { })
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(loadModule ./misc/debug.nix { })
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(loadModule ./misc/fontconfig.nix { })
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(loadModule ./misc/fontconfig.nix { })
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(loadModule ./misc/gtk.nix { })
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(loadModule ./misc/gtk.nix { })
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(loadModule ./misc/lib.nix { })
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(loadModule ./misc/lib.nix { })
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@ -43,10 +43,11 @@ import nmt {
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./modules/programs/zsh
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./modules/programs/zsh
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./modules/xresources
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./modules/xresources
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] ++ lib.optionals pkgs.stdenv.hostPlatform.isLinux [
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] ++ lib.optionals pkgs.stdenv.hostPlatform.isLinux [
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./modules/programs/abook
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./modules/misc/debug
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./modules/misc/pam
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./modules/misc/pam
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./modules/misc/xdg
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./modules/misc/xdg
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./modules/misc/xsession
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./modules/misc/xsession
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./modules/programs/abook
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./modules/programs/firefox
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./modules/programs/firefox
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./modules/programs/getmail
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./modules/programs/getmail
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./modules/programs/rofi
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./modules/programs/rofi
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25
tests/modules/misc/debug/default.nix
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tests/modules/misc/debug/default.nix
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{
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debug = { pkgs, config, lib, ... }: {
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home.enableDebugInfo = true;
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home.packages = with pkgs; [ curl gdb ];
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nmt.script = ''
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[ -L $TESTED/home-path/lib/debug/curl ] \
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|| fail "Debug-symbols for pkgs.curl should exist in \`/home-path/lib/debug'!"
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#source $TESTED/home-path/etc/profile.d/hm-session-vars.sh
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#[[ "$NIX_DEBUG_INFO_DIRS" =~ /lib/debug$ ]] \
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#|| fail "Invalid NIX_DEBUG_INFO_DIRS!"
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assertFileExists home-path/etc/profile.d/hm-session-vars.sh
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assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
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'NIX_DEBUG_INFO_DIRS=.*/lib/debug'
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# We need to override NIX_DEBUG_INFO_DIRS here as $HOME evalutes to the home
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# of the user who executes this testcase :/
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{ echo quit | PATH="$TESTED/home-path/bin''${PATH:+:}$PATH" NIX_DEBUG_INFO_DIRS=$TESTED/home-path/lib/debug \
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gdb curl 2>&1 | \
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grep 'Reading symbols from ${builtins.storeDir}/'; \
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} || fail "Failed to read debug symbols from curl in gdb"
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'';
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};
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}
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