git: Add https-and-ssh to setup origin

Sets up origin so that it fetches over https but pushes over ssh. This
way unlocking the ssh key is only needed when really necessary.

.config/git/config

@@ -19,12 +19,14 @@
 	root = rev-parse --show-toplevel
 	signoff = rebase --signoff
 	ss = stash
+	ssh-and-https = https-and-ssh
 
 	# Implemented as zsh functions or external programs
 	checkout-worktree = "!\"${XDG_CONFIG_HOME:-$HOME/.config}/zsh/autoload/git/git-checkout-worktree\""
 	commit-last-msg = "!\"${XDG_CONFIG_HOME:-$HOME/.config}/zsh/autoload/git/git-commit-last-msg\""
 	filter-repo = !git-filter-repo
 	flog = "!\"${XDG_CONFIG_HOME:-$HOME/.config}/zsh/autoload/git/glog\""
+	https-and-ssh  = "!\"${XDG_CONFIG_HOME:-$HOME/.config}/zsh/autoload/git/git-https-and-ssh\""
 	make-fork = "!\"${XDG_CONFIG_HOME:-$HOME/.config}/zsh/autoload/git/git-make-fork\""
 	ssync = "!\"${XDG_CONFIG_HOME:-$HOME/.config}/zsh/autoload/git/git-ssync\""
 	submodule-rm = "!\"${XDG_CONFIG_HOME:-$HOME/.config}/zsh/autoload/git/git-submodule-rm\""

.config/zsh/autoload/git/git-https-and-ssh

@@ -0,0 +1,20 @@
+#!/bin/sh
+#!/usr/bin/zsh
+
+# Sets up origin so that it fetches over https but pushes over ssh. This way
+# unlocking the ssh key is only needed when really necessary.
+
+GIT="git"
+
+origin="$($GIT remote -v | grep -Po '(?<=^origin\t).*(?= \(fetch\)$)')"
+
+if [ "${origin##https://}" = "$origin" ]; then
+	https_origin="${origin##*@}"
+	https_origin="https://${https_origin/://}"
+	$GIT remote set-url origin "$https_origin"
+	$GIT remote set-url --push origin "$origin"
+else
+	ssh_origin="${origin##https://}"
+	ssh_origin="git@${ssh_origin/\//:}"
+	$GIT remote set-url --push origin "$ssh_origin"
+fi

.config/zsh/autoload/git/git-ssh-and-https

@@ -0,0 +1 @@
+git-https-and-ssh