Add traceContext primop #4728
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Add traceContext primop #4728
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This primop lets you get information on paths realised (pathExists,
import, readFile) by Nix. It tracks paths realised in Nix & puts the
results under the "paths" attr. For instance:
$ nix eval --impure --expr '(builtins.traceContext (import ./.).outPath)'
{ paths = [ "/nix/store/2mpgi4bvn8py4liv9w3mjxd2c5r7bvv8-source" "/nix/store/3k7i1rdqcgyzjxvqm37hapdidy4ls4s3-source" "/nix/store/kqxic0j6wpsaw2bb51hr1yc1nb1z2xw8-source" ]; value = "/nix/store/3k7i1rdqcgyzjxvqm37hapdidy4ls4s3-source"; }
This is an alternative to the --include-eval-refs from
NixOS#3523 & --include-ifd from
NixOS#3506.
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This primop lets you get information on paths realised (pathExists,
import, readFile) by Nix. It tracks paths realised in Nix & puts the
results under the "paths" attr. For instance:
This is an alternative to the --include-eval-refs from
#3523 & --include-ifd from
#3506.