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lib/commit: Copy user.ostreemeta only for bare-user 

When falling back to copying objects when importing them into a
bare-user repo, we only actually need to transfer over the
`user.ostreemeta` xattr.

This allows the destination repo to be on a separate filesystem that
might not even support `security.selinux`. (I hit this while importing
over virtio-9p).

Closes: #1771
Approved by: cgwalters
This commit is contained in:
Jonathan Lebon 2018-10-31 15:27:26 -04:00 committed by Atomic Bot
parent 8eac5be030
commit 244d9a7ec1
1 changed files with 22 additions and 8 deletions
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18
src/libostree/ostree-repo-commit.c
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@ -4260,17 +4260,31 @@ import_one_object_direct (OstreeRepo *dest_repo,
const gboolean src_is_bare_or_bare_user =
G_IN_SET (src_repo->mode, OSTREE_REPO_MODE_BARE, OSTREE_REPO_MODE_BARE_USER);
if (src_is_bare_or_bare_user && !OSTREE_OBJECT_TYPE_IS_META(objtype))
{
if (src_repo == OSTREE_REPO_MODE_BARE)
{
g_autoptr(GVariant) xattrs = NULL;
if (!glnx_fd_get_all_xattrs (src_fd, &xattrs,
cancellable, error))
return FALSE;
if (!glnx_fd_set_all_xattrs (tmp_dest.fd, xattrs,
cancellable, error))
return FALSE;
}
else
{
/* bare-user; we just want ostree.usermeta */
g_autoptr(GBytes) bytes =
glnx_fgetxattr_bytes (src_fd, "user.ostreemeta", error);
if (bytes == NULL)
return FALSE;
if (TEMP_FAILURE_RETRY (fsetxattr (src_fd, "user.ostreemeta",
(char*)g_bytes_get_data (bytes, NULL),
g_bytes_get_size (bytes), 0)) != 0)
return glnx_throw_errno_prefix (error, "fsetxattr");
}
}
if (fchmod (tmp_dest.fd, stbuf.st_mode & ~S_IFMT) != 0)
return glnx_throw_errno_prefix (error, "fchmod");