elvish_config/aliases/cleankh.elv

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edit:add-var cleankh~ {|@argv|
use str
use framagit.org/benjamin.vaudour/elv-lib/mods/common
use framagit.org/benjamin.vaudour/elv-lib/mods/ip
use framagit.org/benjamin.vaudour/elv-lib/mods/list
fn sort-host {|e1 e2|
var i1 = (common:cond (ip:is-ip $e1) 1 0)
var i2 = (common:cond (ip:is-ip $e2) 1 0)
if (!= $i1 $i2) {
- $i1 $i2
} elif (== $i1 0) {
compare $e1 $e2
} else {
ip:comp $e1 $e2
}
}
var khosts = [&]
cat ~/.ssh/known_hosts | eawk {|_ hosts @rest|
var key = (str:join ' ' $rest)
if (not (has-key $khosts $key)) {
set khosts[$key] = [&]
}
str:split , $hosts | each {|h|
set khosts[$key][$h] = $nil
}
}
var lines = [(keys $khosts | each {|key|
var hosts = (keys $khosts[$key] | list:sort $sort-host~ | str:join ,)
put $hosts $key | str:join ' '
})]
echo (str:join "\n" $lines) > ~/.ssh/known_hosts
}