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#11704

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This commit is contained in:
Ivan Tkachev 2024-10-16 15:24:33 +03:00
parent 806a91f7bf
commit e33d6f24e3
1 changed files with 6 additions and 6 deletions
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8
src/nix/run.cc
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@ -167,10 +167,9 @@ void chrootHelper(int argc, char * * argv)
/* Bind-mount realStoreDir on /nix/store. If the latter mount /* Bind-mount realStoreDir on /nix/store. If the latter mount
point doesn't already exists, we have to create a chroot point doesn't already exists, we have to create a chroot
environment containing the mount point and bind mounts for the environment containing the mount point and bind mounts for the
children of /. Would be nice if we could use overlayfs here, children of /.
but that doesn't work in a user namespace yet (Ubuntu has a Overlayfs for user namespaces is fixed in Linux since ac519625ed
patch for this: (v5.11, 14 February 2021) */
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1478578). */
if (!pathExists(storeDir)) { if (!pathExists(storeDir)) {
// FIXME: Use overlayfs? // FIXME: Use overlayfs?
@ -206,6 +205,7 @@ void chrootHelper(int argc, char * * argv)
if (chdir(cwd) == -1) if (chdir(cwd) == -1)
throw SysError("chdir to '%s' in chroot", cwd); throw SysError("chdir to '%s' in chroot", cwd);
} else } else
if (mount("overlay", storeDir.c_str(), "overlay", MS_MGC_VAL, fmt("lowerdir=%s:%s", storeDir, realStoreDir).c_str()) == -1)
if (mount(realStoreDir.c_str(), storeDir.c_str(), "", MS_BIND, 0) == -1) if (mount(realStoreDir.c_str(), storeDir.c_str(), "", MS_BIND, 0) == -1)
throw SysError("mounting '%s' on '%s'", realStoreDir, storeDir); throw SysError("mounting '%s' on '%s'", realStoreDir, storeDir);