Every builtin or function shipped with fish supports flag -h or --help to
print a slightly condensed version of its manpage.
Some of those help messages are longer than a typical screen;
this commit pipes the help to a pager to make it easier to read.
As in other places in fish we assume that either $PAGER or "less" is a
valid pager and use that.
In three places (error messages for bg, break and continue) the help is
printed to stderr instead of stdout. To make sure the error message is
visible in the pager, we pass it to builtin_print_help, every call of which
needs to be updated.
Fixes#6227
Some distros (Arch) use python command for Python 3, so we need to update the scripts to work with it. We cannot just switch to python3 command because MacOS does not ship it.
* functions/__fish_print_hostnames: Fix ssh_configs no values return
`string replace` not working with mutlilines variable.
So split per line first.
* functions/__fish_print_hostnames: remove quotes at `split '\n'`
"\n with quotes" will cause `string split` weird issues.
* functions/__fish_print_hostnames: using `read -alz -d \n`
Fix `$contents` issues together
Since the url is inside a AngularJS markup {{url}}, it's better to use **ng-href**.
From [AngularJS Documentation](https://docs.angularjs.org/api/ng/directive/ngHref):
<br>
"Using AngularJS markup like {{hash}} in an href attribute will make the link go to the wrong URL if the user clicks it before AngularJS has a chance to replace the {{hash}} markup with its value. Until AngularJS replaces the markup the link will be broken and will most likely return a 404 error. The ngHref directive solves this problem."
We used to just check for the presence of "--" on the command line to
make judgements about which completions to suggest. Now, even if "--" is
present, we can still make different suggestions by taking the cursor's
position into account.
If "--" is present in the command line, it's usually safe to assume that
the user is going to want to complete a file tracked by git so let's
only suggest branches if "--" isn't present.
When there is already a "src:", we assume that it is a valid ref and
just complete "dst". This allows completion of dest if src is e.g. a
commit SHA (completing all possible refs would probably impact
performance).
See issue #3035.
