systemctl: hide the 'glyph' column when --no-legend is requested #15081
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keszybz
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without having to specify the whole display map
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Needed to avoid getting the `glyph` column which is causing the issue reported at https://bugzilla.suse.com/show_bug.cgi?id=1191347 about not unmasking systemd mount and swap units when leaving the partitioner. At some point --no-legend systemd flag was enough but it is not the case anymore. See systemd/systemd#15081.
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Needed to avoid getting the `glyph` column which is causing the issue reported at https://bugzilla.suse.com/show_bug.cgi?id=1191347 about not unmasking systemd mount and swap units when leaving the partitioner. At some point --no-legend systemd flag was enough but it is not the case anymore. See systemd/systemd#15081.
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The former implementation of
systemctl list-unitsandmachinectl listhid the glyph column when called with--no-legend. This somehow got lost during the conversion to theformat-table.[ch]stuff.Fixes: #15077
As the formatting stuff doesn't allow hiding a specific column without giving the
table_set_display()function the whole display map except the columns we want to hide, I wrote a simple function just for that, otherwise the code would get really ugly (insystemctl list-unitswe want to hide column 0 when--no-legendis specified and column 5 when the job list is empty). However, as the table formatting mechanism allows specifying columns to show/hide only when the display map is set, the function depends just on that, which feels... wrong, thus any comments are definitely welcome.@poettering, @keszybz PTAL.