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nix develop --phase: chdir to flake directory

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For git+file and path flakes, chdir to flake directory so that phases
that expect to be in the flake directory can run

Fixes https://github.com/NixOS/nix/issues/3976
This commit is contained in:
Matthew Kenigsberg 2021-08-19 15:42:13 -05:00
parent ffa629b2c0
commit d7fe36116e
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GPG key ID: 5DFF42F2615122A8
1 changed files with 15 additions and 0 deletions
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15
src/nix/develop.cc
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@ -9,6 +9,7 @@
#include "progress-bar.hh"
#include "run.hh"
#include <memory>
#include <nlohmann/json.hpp>
using namespace nix;
@ -505,6 +506,20 @@ struct CmdDevelop : Common, MixEnvironment
auto args = phase || !command.empty() ? Strings{std::string(baseNameOf(shell)), rcFilePath}
: Strings{std::string(baseNameOf(shell)), "--rcfile", rcFilePath};
// Need to chdir since phases assume in flake directory
if (phase) {
// chdir if installable is a flake of type git+file or path
auto installableFlake = std::dynamic_pointer_cast<InstallableFlake>(installable);
if (installableFlake) {
auto sourcePath = installableFlake->getLockedFlake()->flake.resolvedRef.input.getSourcePath();
if (sourcePath) {
if (chdir(sourcePath->c_str()) == -1) {
throw SysError("chdir to '%s' failed", *sourcePath);
}
}
}
}
runProgramInStore(store, shell, args);
}
};