gits-protocol

commit ad7bde637339d28f0cd3166b9f47777a25014ab5
Author: Robert Russell <robert@rr3.xyz>
Date:   Wed, 20 May 2026 15:27:56 -0700

Initial commit

Diffstat:
A
git-remote-gits
 | 
34
++++++++++++++++++++++++++++++++++

1 file changed, 34 insertions(+), 0 deletions(-)
diff --git a/git-remote-gits b/git-remote-gits
@@ -0,0 +1,34 @@
+#!/bin/sh
+set -eu
+
+fail() {
+	echo "$0: $1" >&2
+	exit 1
+}
+
+[ $# -eq 2 ] || fail "invalid usage; see gitremote-helpers(7)"
+REMOTE="$1"
+URL="$2"
+
+command -v ncat >/dev/null 2>&1 || fail "ncat must be installed"
+
+# Parse the URL
+IFS=',' read -r GITS_HOST GITS_PORT GITS_PATH <<EOF
+$(echo "$URL" | sed -En '
+	#  |proto||addr-----------------------------------------------||port------||path----------|
+	#  |     |||IPv6 addr-------------------------| |other addr--|||          ||              |
+	s@^gits://(\[[a-fA-F0-9:]+(%[a-zA-Z0-9._-]+)?\]|[a-zA-Z0-9.-]+)(:([0-9]+))?(/[[:graph:]]*)?$@\1,\4,\5@;
+	tp; # Goto p if the s did match
+	bq; # Goto q if the s did not match
+	:p; p;
+	:q; q;
+')
+EOF
+
+# GITS_HOST is empty iff the URL didn't match the regex
+[ -n "$GITS_HOST" ] || fail "invalid address"
+: "${GITS_PORT:=9419}"
+: "${GITS_PATH:=/}"
+
+exec git remote-ext "$REMOTE" "ncat --ssl-verify $GITS_HOST $GITS_PORT %G$GITS_PATH"
+