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Merge bitcoin/bitcoin#32678: guix: warn and abort when SOURCE_DATE_EPOCH is set

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5c4a0f8009 guix: warn and abort when SOURCE_DATE_EPOCH is set (will)

Pull request description:

  Fixes: #29935

  Current behaviour will by-default use SOURCE_DATE_EPOCH from the environment without warning. This breaks the default reproducibility from a guix build.

  Warn when and exit when this variable is set, and
  FORCE_SOURCE_DATE_EPOCH is unset.

ACKs for top commit:
  maflcko:
    lgtm ACK 5c4a0f8009
  fanquake:
    ACK 5c4a0f8009

Tree-SHA512: fdd6095a91bd87ffdc22918dc43869edc2380501d1b047e95caadd8a6624928691bfe5b7af9693177cbc28e69366e3397e43a06f2f346cc3a9fe233b7fb9588f
This commit is contained in:
merge-script
2025-06-10 15:22:03 +01:00
parent 692fe280c2 5c4a0f8009
commit fe39050a66
1 changed files with 18 additions and 0 deletions
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18
contrib/guix/guix-build
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@ -69,6 +69,24 @@ fi
mkdir -p "$VERSION_BASE" mkdir -p "$VERSION_BASE"
################
# SOURCE_DATE_EPOCH should not unintentionally be set
################
if [ -n "$SOURCE_DATE_EPOCH" ] && [ -z "$FORCE_SOURCE_DATE_EPOCH" ]; then
cat << EOF
ERR: Environment variable SOURCE_DATE_EPOCH is set which may break reproducibility.
Aborting...
Hint: You may want to:
1. Unset this variable: \`unset SOURCE_DATE_EPOCH\` before rebuilding
2. Set the 'FORCE_SOURCE_DATE_EPOCH' environment variable if you insist on
using your own epoch
EOF
exit 1
fi
################ ################
# Build directories should not exist # Build directories should not exist
################ ################