mirror of
https://github.com/ipetkov/crane.git
synced 2024-11-25 21:42:20 +03:00
72 lines
2.3 KiB
Markdown
72 lines
2.3 KiB
Markdown
|
## Patching sources of dependency crates
|
||
|
|
|
||
|
|
Sometimes it is useful to patch the sources of dependency crates without needing
|
||
|
|
to wait for an upstream release to include a necessary change, or without
|
||
|
|
needing to use a custom git fork.
|
||
|
|
|
||
|
|
The `vendorCargoDeps`, `vendorCargoRegistries`, `vendorGitDeps`, and
|
||
|
|
`vendorMultipleCargoDeps` APIs support arbitrary overrides (i.e. patching) at
|
||
|
|
the individual crate/repo level when vendoring sources. Checkout their
|
||
|
|
respective API documentation for more details, but below is a short quick start
|
||
|
|
example:
|
||
|
|
|
||
|
|
```nix
|
||
|
|
let
|
||
|
|
baseArgs = {
|
||
|
|
src = craneLib.cleanCargoSource ./.;
|
||
|
|
};
|
||
|
|
|
||
|
|
isNumCpusRepo = p: lib.hasPrefix
|
||
|
|
"git+https://github.com/seanmonstar/num_cpus.git"
|
||
|
|
p.source;
|
||
|
|
isTag1_13_1 = p: lib.hasInfix
|
||
|
|
"tag=v1.13.1"
|
||
|
|
p.source;
|
||
|
|
|
||
|
|
cargoVendorDir = craneLib.vendorCargoDeps (baseArgs // {
|
||
|
|
# Use this function to override crates coming from git dependencies
|
||
|
|
overrideVendorGitCheckout = ps: drv:
|
||
|
|
# For example, patch a specific repository and tag, in this case num_cpus-1.13.1
|
||
|
|
if lib.any (p: (isNumCpusRepo p) && (isTag1_13_1 p)) ps then
|
||
|
|
drv.overrideAttrs (_old: {
|
||
|
|
# Specifying an arbitrary patch to apply
|
||
|
|
patches = [
|
||
|
|
./0001-patch-num-cpus.patch
|
||
|
|
];
|
||
|
|
|
||
|
|
# Similarly we can also run additional hooks to make changes
|
||
|
|
postPatch = ''
|
||
|
|
echo running some arbitrary command to make modifications
|
||
|
|
'';
|
||
|
|
})
|
||
|
|
else
|
||
|
|
# Nothing to change, leave the derivations as is
|
||
|
|
drv;
|
||
|
|
|
||
|
|
# Use this function to override crates coming from any registry checkout
|
||
|
|
overrideVendorCargoPackage = p: drv:
|
||
|
|
# For example, patch a specific crate, in this case byteorder-1.5.0
|
||
|
|
if p.name == "byteorder" && p.version == "1.5.0" then
|
||
|
|
drv.overrideAttrs (_old: {
|
||
|
|
# Specifying an arbitrary patch to apply
|
||
|
|
patches = [
|
||
|
|
./0001-patch-byteorder.patch
|
||
|
|
];
|
||
|
|
|
||
|
|
# Similarly we can also run additional hooks to make changes
|
||
|
|
postPatch = ''
|
||
|
|
echo running some arbitrary command to make modifications
|
||
|
|
'';
|
||
|
|
})
|
||
|
|
else
|
||
|
|
# Nothing to change, leave the derivations as is
|
||
|
|
drv;
|
||
|
|
});
|
||
|
|
|
||
|
|
commonArgs = baseArgs // {
|
||
|
|
inherit cargoVendorDir;
|
||
|
|
};
|
||
|
|
in
|
||
|
|
craneLib.buildPackage commonArgs
|
||
|
|
```
|