![happysalada](/assets/img/avatar_default.png)
take in account undefined case assign and export in separate step https://github.com/koalaman/shellcheck/wiki/SC2155
14 lines
551 B
Bash
14 lines
551 B
Bash
# shellcheck disable=SC2148
|
|
# 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.
|
|
# NIX_CFLAGS_COMPILE might not have been defined before
|
|
NIX_CFLAGS_COMPILE="${NIX_CFLAGS_COMPILE:-} -frandom-seed=$(
|
|
# shellcheck disable=SC2154
|
|
outbase="${out##*/}"
|
|
randomseed="${outbase:0:10}"
|
|
echo "$randomseed"
|
|
)"
|
|
export NIX_CFLAGS_COMPILE
|