Provide hooks for other commands

[mfrieling]

Please provide hooks for commands like stop, snapshot and restore-snapshot. This would be useful e. g. to create snapshots or script other tasks before stopping or creating a files backup together with a snapshot which can be restored using ddev import-files when restoring a snapshot or starting DDEV again.

[mfrieling]

A hook for post-ssh would be helpful as well to e. g. source some aliases etc. I just found out that the source command cannot be executed via a hook, neither directly (source [file] nor with sh: sh source [file]):

--- Running exec command: source /mnt/ddev_config/aliases.sh ---
Failed to start trinitec: post-start exec failed: Failed to run docker-compose [-f E:\my-project\.ddev\docker-compose.yaml -f E:\my-project\.ddev\docker-compose.ssh.yaml exec -T web source /mnt/ddev_config/aliases.sh], err='exit status 126', stdout='OCI runtime exec failed: exec failed: container_linux.go:348: starting container process caused "exec: \"source\": executable file not found in $PATH": unknown

[rfay]

Here's the explanation for that.. https://stackoverflow.com/q/50971602/215713