Zbigniew Jędrzejewski-Szmek
fe2b35bd58
$ mkdir /var/tmp/files $ touch /var/tmp/files/a $ mkdir /var/tmp/conf $ cat >>/var/tmp/conf/esp.conf [Partition] Type=esp Format=vfat CopyFiles=/var/tmp/files:/ $ truncate /var/tmp/disk -s 300M $ sudo systemd-repart --dry-run=no --empty=require --definitions=/var/tmp/conf /var/tmp/disk ... Populating vfat filesystem. Failed to copy '...' to '/run/systemd/mount-root/': Operation not permitted (sd-copy) failed with exit status 1. The issue is that if there's a file owned by non-root and we try to copy it into a newly-created DOS partition, fchown fails: fchown(11</run/systemd/mount-root/...>, 1000, 1000) = -1 EPERM (Operation not permitted) We want to ignore file ownership in such cases, so pass our own UID/GID to copy_tree_at(), which turns the fchown into a noop and let's the operation pass through. Fixes #38863.
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