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common-updater-scripts: fix silent error on 404

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When TOFU was unable to download the file, there would be no hash
in the fetch log, causing the grep to fail. Since the script
is set to errexit, it would terminate the processing without
any output. Let’s instead print the fetch log.
This commit is contained in:
Jan Tojnar 2022-09-24 14:52:38 +02:00
parent fde244a8c7
commit e628b43a9c
1 changed files with 6 additions and 2 deletions
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8
pkgs/common-updater/scripts/update-source-version
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@ -237,9 +237,13 @@ fi
if [[ -z "$newHash" ]]; then
nix-build $systemArg --no-out-link -A "$attr.$sourceKey" 2>"$attr.fetchlog" >/dev/null || true
# FIXME: use nix-build --hash here once https://github.com/NixOS/nix/issues/1172 is fixed
newHash=$(sed '1,/hash mismatch in fixed-output derivation/d' "$attr.fetchlog" | grep --perl-regexp --only-matching 'got: +.+[:-]\K.+')
newHash=$(
sed '1,/hash mismatch in fixed-output derivation/d' "$attr.fetchlog" \
| grep --perl-regexp --only-matching 'got: +.+[:-]\K.+' \
|| true # handled below
)
if [[ -n "$sri" ]]; then
if [[ -n "$newHash" && -n "$sri" ]]; then
# nix-build preserves the hashing scheme so we can just convert the result to SRI using the old type
newHash="$(nix --extra-experimental-features nix-command hash to-sri --type "$oldHashAlgo" "$newHash" 2>/dev/null \
|| nix to-sri --type "$oldHashAlgo" "$newHash" 2>/dev/null)" \