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common-updater-scripts: Handle errors in src hashing

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Previously, when downloading src failed for other reason than hash mismatch,
the error ended up in newHash. This made evaluation fail since the error message
is not valid hash. Now the failure will make newHash empty.

It is also much cleaner than previously since \K is very cool thing
and we no longer grep for legacy messages.
This commit is contained in:
Jan Tojnar 2020-02-19 21:05:22 +01:00
parent bacb0969f2
commit 2e9eb449eb
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1 changed files with 5 additions and 5 deletions
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10
pkgs/common-updater/scripts/update-source-version
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@ -168,12 +168,12 @@ fi
if [[ -z "$newHash" ]]; then
nix-build $systemArg --no-out-link -A "$attr.src" 2>"$attr.fetchlog" >/dev/null || true
# FIXME: use nix-build --hash here once https://github.com/NixOS/nix/issues/1172 is fixed
newHash=$(grep --extended-regexp --invert-match "killing process|dependencies couldn't be built|wanted: " "$attr.fetchlog" | tail -n2 | sed "s~output path .* has .* hash ‘\(.*\)’ when .* was expected\|fixed-output derivation produced path '.*' with .* hash '\(.*\)' instead of the expected hash '.*'\| got: .*:\(.*\)~\1\2\3~" | head -n1)
fi
newHash=$(sed '1,/hash mismatch in fixed-output derivation/d' "$attr.fetchlog" | grep --perl-regexp --only-matching 'got: +.+[:-]\K.+')
if [[ -n "$sri" ]]; then
# nix-build preserves the hashing scheme so we can just convert the result to SRI using the old type
newHash="$(nix to-sri --type "$oldHashAlgo" "$newHash")"
if [[ -n "$sri" ]]; then
# nix-build preserves the hashing scheme so we can just convert the result to SRI using the old type
newHash="$(nix to-sri --type "$oldHashAlgo" "$newHash")"
fi
fi
if [[ -z "$newHash" ]]; then