From 6573500de6ca44122cda3b11188a9f482990906b Mon Sep 17 00:00:00 2001
From: kar <kar@13f0.net>
Date: Thu, 31 Jul 2025 11:42:27 -0400
Subject: add git credential helper for http(s) auth

---
 contrib/git-credential-kasi | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100755 contrib/git-credential-kasi

diff --git a/contrib/git-credential-kasi b/contrib/git-credential-kasi
new file mode 100755
index 0000000..794ef62
--- /dev/null
+++ b/contrib/git-credential-kasi
@@ -0,0 +1,36 @@
+#!/bin/sh
+# reads git's request on stdin and prints credentials to stdout
+# this script is made for overleaf's non-standard ssh-less git
+# but it can be trivially modified for other git http auth
+
+# Setup:
+# git config --global credential.helper kasi
+# git config --global credential.https://git.overleaf.com/.username git
+
+set -euo pipefail
+
+# read the command from Git
+if [ -n "$1" ]; then cmd="$1"; else read cmd || exit 1; fi
+
+case "$cmd" in
+	# easier on me to manually handle credentials
+	store) ;;
+	erase) ;;
+
+	# git is fine with nothing responded to this
+	capability*) ;;
+
+	# the only command needed
+	get)
+		host="$(awk -F'=' '/^host=/ {print $2; exit}' <&0)"
+		[ "$host" != "git.overleaf.com" ] && exit 0
+
+		password="$(kasi view 'university/overleaf' | awk '/^Git:/ {print $2}')"
+		echo "username=git"
+		echo "password=$password"
+		;;
+	*)
+		echo >&2 "Unknown command received by git-credential-kasi: $cmd"
+		exit 1
+		;;
+esac
-- 
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