william/nix-config
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

added null check to hm-cli

Browse source
This commit is contained in:
William 2025-10-15 20:02:47 -03:00
parent 5edad8b957
commit 4b5426885c
1 changed files with 9 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

14
packages/hm-cli.nix
View file

@ -23,9 +23,9 @@ pkgs.writeShellScriptBin "hm" ''
Environment Variables:
HM_PATH Override default flake path (~/.config/home-manager)
Currently set to "$(echo $HM_PATH)"
Currently set to "''${HM_PATH:-<not set>}"
HM_USER Override default user output ("$(whoami)@$(hostname)")
Currently set to "$(echo $HM_USER)"
Currently set to "''${HM_USER:-<not set>}"
EOF
}
@ -58,10 +58,14 @@ pkgs.writeShellScriptBin "hm" ''
"$HM" remove-generations "$@"
;;
rollback)
"$HM" generations | \
PREV_GEN=$("$HM" generations | \
sed -n 's/^[[:space:]]*id \([0-9]\+\).*/\1/p' | \
head -n 2 | tail -n 1 | \
xargs -I {} "$HM" switch --flake "$FLAKE_PATH" --switch-generation {}
head -n 2 | tail -n 1)
if [[ -z "$PREV_GEN" ]]; then
echo "Error: could not determine previous generation (possibly only one generation exists)"
exit 1
fi
"$HM" switch --flake "$FLAKE_PATH" --switch-generation "$PREV_GEN"
;;
switch)
if [[ $# -ne 3 ]]; then