Den fre 9 sep. 2022 10:50Jirka Novak <[email protected]> skrev:
> Hi,
>
> I'm maintaining set of docker containers. We use convention that
> every config file for a container is in /srv/<container>/ subdirectory.
> E.g. /srv/<container>/etc/cron.daily/logrotate.
> We use vim to maintain config files and we like feature/shortcut 'gf'
> which opens file on cursor. E.g. logrotate file contains:
>
> #!/bin/sh
>
> /usr/sbin/logrotate /etc/logrotate.conf
> EXITVALUE=$?
> if [ $EXITVALUE != 0 ]; then
> /usr/bin/logger -t logrotate "ALERT exited abnormally with
> [$EXITVALUE]"
> fi
> exit $EXITVALUE
>
> therefore when I use 'gf' on /etc/logrotate.conf, file should be opened.
>
> The issue is that path is correct when container is running, but when
> I'm editing it from the host, it should be
> /srv/<container>/etc/logrotate.conf.
> Therefore I'm looking for vim setting or extension of vim which will
> add requested prefix to file name when I'm opening it.
>
> Any advice is welcome.
>
Assuming that the current file is somewhere under /srv/<container>/
fun! DockerGf ()
" save the current register contents
let old_reg = @"
" get the path under the cursor
norm! ByE
" remove the leading slash if any
let path = substitute(@",'^/\?','','')
" restore the previous register contents
let @" = old_reg
" get the container directory path
let parent = substitute(expand('%:p'),'^/srv/[^/]*/\zs.*','','')
" go to the file
exe 'edit ' . parent . path
endfun
" define custom mapping to open path under cursor in container
nnor ,dgf :call DockerGf()<cr>
If the assumption that the current file is under the container directory
may be
wrong you can use a global variable with the path to the container instead:
:let g:container_path = '/srv/<container>/'
and replace the two lines in the function above containing "parent" with
just
exe 'edit ' . g:container_path . path
There may be more elegant ways...
> Best regards,
>
> Jirka Novak
>
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