Update capability to replace arkade with a newer version about arkade HOT 9 OPEN

Perhaps we'll start with Linux first then?

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Hm, on Mac I just have an alias to do the following:

which upd_arkade
upd_arkade: aliased to sudo curl -sLS https://get.arkade.dev | sudo sh

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The first sudo shouldn't be needed for curl

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@Jasstkn / @mrwormhole do you have time for a challenge?

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yes makes sense to me, is it potentially safe to swap old arkade binary with new arkade binary during the old arkade CLI process? I believe it is safe on linux, but on windows I have doubts

currently this makes sense;

1. remove cached versions of arkade, $HOME/.arkade, %USERPROFILE%\.arkade
2. remove old arkade binary via which , where
3. get the latest arkade binary to previously found arkade binary path
4. from above points, only complete the linux compatible ones for now

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The first sudo shouldn't be needed for curl

yep, you're right!

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How about we get the current binary first with os.Executable() then check in the get command if we are updating arkade itself and in that case we set the movePath to the result?
Also everything in the get package seems path aware, so we should approach this with get.Download() like everywhere else.

Honestly I don't know if this will work on windows, but I'm quite sure it this will solve the problem for our unix friends.

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I have a windows to test on now 😃

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How about we get the current binary first with os.Executable() then check in the get command if we are updating arkade itself and in that case we set the movePath to the result? Also everything in the get package seems path aware, so we should approach this with get.Download() like everywhere else.

Honestly I don't know if this will work on windows, but I'm quite sure it this will solve the problem for our unix friends.

@alexellis, @Jasstkn is this solution seems good for you guys?

I can start to skeetch up a PR this weekend or so.

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