When you ask snapd to refresh a snap to a revision you’re already on, it unhelpfully tries to perform this change and fails:
snap list
Name Version Rev Developer Notes
core 16-2.26.9 2381 canonical -
project 1.0.0 13 saviq -
snap refresh project --edge
snap "project" has no updates available
snap refresh project --revision 13
error: cannot perform the following tasks:
- Copy snap "project" data (cannot copy "/home/ubuntu/snap/project/13" to "/home/ubuntu/snap/project/13": failed to copy all: "cp: cannot stat '/home/ubuntu/snap/project/13': No such file or directory" (1))
snap changes
ID Status Spawn Ready Summary
[...]
705 Error 2017-07-19T08:34:23Z 2017-07-19T08:34:25Z Refresh "project" snap
snap version
snap 2.26.9
snapd 2.26.9
series 16
ubuntu 17.04
kernel 4.10.0-28-generic
@chipaca I was asked to mention this to you