pyrox.dev
1skip () {
2 if [ -n "$NIX_DEBUG" ]; then
3 echo "skipping impure path $1" >&2
4 fi
5}
6
7
8# Checks whether a path is impure. E.g., `/lib/foo.so' is impure, but
9# `/nix/store/.../lib/foo.so' isn't.
10badPath() {
11 local p=$1
12
13 # Relative paths are okay (since they're presumably relative to
14 # the temporary build directory).
15 if [ "${p:0:1}" != / ]; then return 1; fi
16
17 # Otherwise, the path should refer to the store or some temporary
18 # directory (including the build directory).
19 test \
20 "$p" != "/dev/null" -a \
21 "${p:0:${#NIX_STORE}}" != "$NIX_STORE" -a \
22 "${p:0:4}" != "/tmp" -a \
23 "${p:0:${#NIX_BUILD_TOP}}" != "$NIX_BUILD_TOP"
24}