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docs: tweak rsync flags for moving existing home dir to systemd-homed

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The documentation on moving an existing homedir into a systemd-homed managed
one suggests using rsync(1) with a bunch of flags to preserve as much metadata
as possible: permissions, xattrs, timestamps, etc. The previously suggested
flags were:

    rsync -aHAXv --remove-source-files …

… which does include mtimes, but not ctimes and atimes, because -a does not
include those:

    --archive, -a            archive mode is -rlptgoD (no -A,-X,-U,-N,-H)

This change adds the -N and -U flags to preserve even more file timestamps,
turning the command into:

    rsync -aHANUXv --remove-source-files …

The new flags are:

    --crtimes, -N            preserve create times (newness)
    --atimes, -U             preserve access (use) times
This commit is contained in:
wouter bolsterlee 2023-02-01 21:15:22 +01:00 committed by Luca Boccassi
parent 7bfe0a48d9
commit 3d3e51eff2
1 changed files with 1 additions and 1 deletions
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docs/CONVERTING_TO_HOMED.md
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@ -114,7 +114,7 @@ Here's the step-by-step guide:
home directory temporarily and copy the data in.
```
homectl with foobar -- rsync -aHAXv --remove-source-files /home/foobar.saved/ .
homectl with foobar -- rsync -aHANUXv --remove-source-files /home/foobar.saved/ .
```
This mounts the home directory of the user, and then runs the specified