demonstrate_multipass_snapcraft_bug.md

Requirements:

Python 3.7.6 (note: must be Python 3.7.6 or snapcraft dependencies will not work)
multipass v1.1.0rc
Windows Hyper-V
git for Windows
Visual C++ 2015 Build Tools

Instructions:

Install the above.
edit your PATH variable to include the following:

%USERPROFILE%\AppData\Local\Programs\Python\Python37
%USERPROFILE%\AppData\Local\Programs\Python\Python37\Scripts

Make sure that they are at the top of the list or it will not work with the command line (it will just prompt you to install the windows store version, which we don't want.)

Clone snapcraft repository and checkout master: https://github.com/snapcraft/snapcraft
run the following in the command line at the repo:

pip install -r requirements.txt
pip install -e .

Launch a multipass instance with the following command:

multipass launch -d10G -m2G -c4 -nsnapcraft-subtitle-edit 18.04

multipass shell snapcraft-subtitle-edit
sudo su and create the following files with nano: (creates files that are present on snapcraft builder)

/root/.bashrc:

export SNAPCRAFT_BUILD_ENVIRONMENT=managed-host
export PS1="\h \$(/bin/_snapcraft_prompt)# "
export PATH=/snap/bin:$PATH

/bin/_snapcraft_prompt:

#!/bin/bash
if [[ "$PWD" =~ ^$HOME.* ]]; then
    path="${PWD/#$HOME/\ ..}"
    if [[ "$path" == " .." ]]; then
        ps1=""
    else
        ps1="$path"
    fi
else
    ps1="$PWD"
fi
echo -n $ps1

Then run chmod a+x /bin/_snapcraft_prompt Then exit out

Clone my subtitle-edit-snap repository to test: https://github.com/NickZ/subtitle-edit-snap.git

9: Run snapcraft in the directory

NickZ/demonstrate_multipass_snapcraft_bug.md