snapd

snap info word-wraps oddly in the presence of many combining characters

Bug #1997509 reported by Chris Halse Rogers on 2022-11-23

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	snapd	Confirmed	Undecided	Unassigned

Bug Description

Given a snap with:
snap/snapcraft.yaml
```
name: workshopper
...
description: |
Ę̷̡͙̘̔̈́͂͗̓̃͋͐̇̃̽̇̅̚v̸̲̥͕̳̥͙̻͙͕͗͛̈̈̐͋͒͆è̵̳̫͓̗̲̜̜̮͔̣̗̍͑̽̒͐̏̏͐̈́͗̚ȑ̷̢̛̝͇͔͙̾̃́̿̅̇͋̑͘͜y̴͔͚̎̎̓̄̓ț̵̬̑̿̅̈́̌́̄͘ͅh̷͔͔̟͈͙͑̃̊̈͑̋͛̿́̿̃̑͛͘i̶͚̟̼̥͓̹̖͕͎̥̫̦̍n̷̢̬̖̓̐̎̆ͅg̵̻̟̝͕̱̔̑͋̑̋̓̽̏̉̀́̍̀̀ ̴̢̢̡̛͓̞̖̹̲͔̬̪̠͔̮͕̋̾̑͐̀̓̀͑̇͑̓į̵͎̬̯̪̙̦̺͙̜͙̑͌̍͆̒̉͂̌̎͠s̷̛̟̋̓̆̋̑͛̐̓͝͝͝͝ ̴̯̗͍̼̦̖͙̦̔̉́͜c̵̲̼͕͖͙̞̱̬̈́͐̓̈́́͗̓̎̀̒̊̓͘̕ő̵̤̝̩͕̱̦͂͊͒͑̄̋͋͗̅͆̀̋̂͝ń̵̛͉̪̾̍͋͊͋̆̉̕̕s̵̛̗̪͎͈̝͎̪̠̈́̽ȗ̴̲̣̟̯͖͚̫̮̞̙̳͍̮͒̀̈́̍̀̅͐̈́̎̊̃̕͘ḿ̵̙̯̗̳̘̘̖̞͖͇̩͐̿́̌̑́̆͆̏ȅ̸̢͈̱̟̖̬̗̹͇̝̖̞̙̔͠ͅͅd̷̛̺̯̦͕͈̺͇̝̠̖̮͆͗̓̒͑
...
```

`snap info workshopper` will display the description over 5 lines (see attached screenshot).

My guess would be that `snap info` is line-wrapping based on Unicode code points (of which there are *lots*) rather than grapheme clusters (of which there are 22, easily fitting on a line)