Public bug reported:
The snap 'try' documentation is a bit light on.
>From my first read I assumed that if I ran snap try that I could then
edit files in the 'prime' directory and any changes would immediately
affect the running snap.
On further reading it appears that snap try installs a write able copy
at /snap/<package name>/current
Can we change the documentation.
Current doco:
The try command installs an unpacked snap into the system for testing purposes.
The unpacked snap content continues to be used even after installation, so
non-metadata changes there go live instantly. Metadata changes such as those
performed in snap.yaml will require reinstallation to go live.
If snap-dir argument is omitted, the try command will attempt to infer
it if either snapcraft.yaml file and prime directory or meta/snap.yaml
file can be found relative to current working directory.
Once you are done testing the installed unpacked snap, it can be
uninstalled with the remove option.
---------------------
Suggested changes - feel free to make any changes you feel appropriate.
The try command installs an unpacked snap into the the directory
'/snap/<package name>/current'
for testing purposes.
You can then directly edit files in the /snap/<package name>/current
directory to test changes without going through a full build cycle.
Metadata changes such as those performed in snap.yaml will require
reinstallation to go live.
If your snap is a daemon, in most cases, you will need to restart the daemon
for the changes to take affect.
snap restart <package name>
When running 'snap try', if the snap-dir argument is omitted, the try
command will attempt to infer it by looking under the current working
directory for either the snapcraft.yaml file and prime directory or
meta/snap.yaml.
In most cases you want need to run:
cd <snap project>
snap try --devmode prime
Once you are done testing the installed unpacked snap, it can be
uninstalled with the remove option.
snap remove <package name>
Running 'snap try prime' will cause your snap to be installed into:
/snap/<package name>/current
** Affects: snap (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1745062
Title:
snap documentation for 'try' needs more details
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