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scripts/update: fix that the script wasnt building the update scripts before trying to invoke them

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Colin 2024-06-21 03:32:56 +00:00
parent 0d1d56870f
commit 815ce6287f
2 changed files with 32 additions and 10 deletions
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5
integrations/nix-update/default.nix Normal file
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@ -0,0 +1,5 @@
# this is the entry point for `nix-update`, used when i update the packages in this repo.
# nix-update needs to work on the actual out-of-store source,
# which means it can't call through the hermetic `default.nix` at the top of this repo,
# but rather needs the in-place `impure.nix` entry point.
import ../../impure.nix

37
scripts/update
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@ -1,6 +1,8 @@
#!/usr/bin/env nix-shell
#!nix-shell -i bash -p nix-update
NIX_FILES_TOP=/home/colin/nixos
usage() {
echo "update: update rev/hash for one or more packages"
echo "usage: update [options] [attr-path]"
@ -44,8 +46,13 @@ getPkgs() {
attrPrefix=sane
fi
# nix-env doesn't seem to build anything when evaluating queries,
# but since i use Import From Derivation along paths which i also want to query,
# then i need to ensure those derivations are available for import.
debug "creating requisite .drv store paths"
nix-instantiate -A nixpkgs "$NIX_FILES_TOP"
debug "querying attributes which match '$attrPrefix'"
local attrs=$(nix-env -f . --query --available --attr-path --no-name -A "$attrPrefix" --show-trace)
local attrs=$(nix-env -f "$NIX_FILES_TOP" --query --available --attr-path --no-name -A "$attrPrefix" --show-trace)
debug "got: $attrs"
attrsArr+=($attrs)
}
@ -53,27 +60,37 @@ getPkgs() {
updateOnePkg() {
local attrPath="$1"
if [[ "$attrPath" =~ ^"$ignore" ]]; then
if [ -n "$ignore" ] && [[ "$attrPath" =~ ^"$ignore" ]]; then
warn "ignoring $attrPath"
return
fi
local updateScript="$(nix eval --raw -f . $attrPath.passthru.updateScript --apply 'builtins.concatStringsSep "'" "'"')"
local updateScript=$(nix eval --raw -f "$NIX_FILES_TOP" $attrPath.passthru.updateScript --apply 'builtins.concatStringsSep "'" "'"')
if [ -z "$updateScript" ]; then
warn "don't know how to update '$attrPath'"
return
fi
# make sure everything needed to invoke the script actually exists on disk
nix-build -A "$attrPath.passthru.updateScript" || true
# make sure everything needed to invoke the update script exists in-store
local context=$(nix eval --raw -f "$NIX_FILES_TOP" $attrPath.passthru.updateScript --apply 's: builtins.concatStringsSep " " (builtins.foldl'"'"' (acc: next: acc ++ next) [] (builtins.map builtins.attrNames (builtins.map builtins.getContext s)))')
for c in $context; do
debug "realizing updateScript requisite: $context"
nix-store --realize "$c" || true
done
local UPDATE_NIX_NAME="$(nix eval --raw -f . $attrPath.name)"
local UPDATE_NIX_PNAME="$(nix eval --raw -f . $attrPath.pname)"
local UPDATE_NIX_OLD_VERSION="$(nix eval --raw -f . $attrPath.version)"
local UPDATE_NIX_NAME=$(nix eval --raw -f "$NIX_FILES_TOP" $attrPath.name)
local UPDATE_NIX_PNAME=$(nix eval --raw -f "$NIX_FILES_TOP" $attrPath.pname)
local UPDATE_NIX_OLD_VERSION=$(nix eval --raw -f "$NIX_FILES_TOP" $attrPath.version)
info "updating: '$attrPath'"
debug "$updateScript"
# we lose spaces inside the exec args... could `nix eval` without `--raw` to fix that.
UPDATE_NIX_NAME="$UPDATE_NIX_NAME" UPDATE_NIX_PNAME="$UPDATE_NIX_PNAME" UPDATE_NIX_OLD_VERSION="$UPDATE_NIX_OLD_VERSION" UPDATE_NIX_ATTR_PATH="$attrPath" eval $updateScript
(
# update script assumes $PWD is an entry point to a writable copy of my nix config,
# so provide that:
pushd "$NIX_FILES_TOP/integrations/nix-update"
# we lose spaces inside the exec args... could `nix eval` without `--raw` to fix that.
UPDATE_NIX_NAME="$UPDATE_NIX_NAME" UPDATE_NIX_PNAME="$UPDATE_NIX_PNAME" UPDATE_NIX_OLD_VERSION="$UPDATE_NIX_OLD_VERSION" UPDATE_NIX_ATTR_PATH="$attrPath" eval $updateScript
popd
)
}
dryRun=