diff options
Diffstat (limited to 'pkgs/build-support/setup-hooks/reproducible-builds.sh')
| -rw-r--r-- | pkgs/build-support/setup-hooks/reproducible-builds.sh | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/pkgs/build-support/setup-hooks/reproducible-builds.sh b/pkgs/build-support/setup-hooks/reproducible-builds.sh new file mode 100644 index 00000000000..5b01c213fe4 --- /dev/null +++ b/pkgs/build-support/setup-hooks/reproducible-builds.sh @@ -0,0 +1,9 @@ +# Use the last part of the out path as hash input for the build. +# This should ensure that it is deterministic across rebuilds of the same +# derivation and not easily collide with other builds. +# We also truncate the hash so that it cannot cause reference cycles. +export NIX_CFLAGS_COMPILE+=" -frandom-seed=$( + outbase="${out##*/}" + randomseed="${outbase:0:10}" + echo $randomseed +)" |