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Don't show rebuild diff on unsuccessful build

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agryphus 2024-01-08 23:03:26 -05:00
parent 314277b3fb
commit 8a562d9452
1 changed files with 18 additions and 4 deletions
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22
.local/bin/overrides/nixos-rebuild
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@ -3,11 +3,25 @@
# Since the below command is piped into nom, it has weird output if the sudo password # Since the below command is piped into nom, it has weird output if the sudo password
# has to be prompted. Add a dummy command to make sure a valid token exists (assuming the # has to be prompted. Add a dummy command to make sure a valid token exists (assuming the
# user's sudo config saves sudo password for some time after entry) # user's sudo config saves sudo password for some time after entry)
sudo echo sudo echo >/dev/null
# Rebuild, pipe into output monitor to build a live dependency graph function last_two_builds {
sudo unbuffer sysbin nixos-rebuild "$@" |& nom ls -v1 /nix/var/nix/profiles | tail -n 2
}
# Print diff before="$(last_two_builds)"
sudo \
unbuffer `# Preserve colors when piping into nom` \
sysbin `# Use the system's nixos-rebuild (as opposed to running this script again)` \
nixos-rebuild "$@" `# Rebuild` \
|& nom `# Visualize a live dependency graph while building`
after="$(last_two_builds)"
if [ "$before" = "$after" ]; then
exit 0 # No new build happened
fi
# Print diff between last two builds
ls -v1 /nix/var/nix/profiles | tail -n 2 | awk '{print "/nix/var/nix/profiles/" $0}' - | xargs nvd diff ls -v1 /nix/var/nix/profiles | tail -n 2 | awk '{print "/nix/var/nix/profiles/" $0}' - | xargs nvd diff