From c5017fb5f5d5ff3d438f6a07403ac0590554a8db Mon Sep 17 00:00:00 2001
From: Mitchell Riedstra <mitch@riedstra.dev>
Date: Wed, 28 Dec 2022 23:52:07 -0500
Subject: Update to the latest Alpine Linux. Few tweaks to scripts and
 entrypoint.

---
 .gitignore           |  1 +
 Dockerfile           |  2 +-
 entrypoint.sh        |  3 ++-
 home/install_keys.sh | 17 +++++++++++++++++
 home/list.sh         |  3 +--
 home/update.sh       |  2 +-
 6 files changed, 23 insertions(+), 5 deletions(-)
 create mode 100755 home/install_keys.sh

diff --git a/.gitignore b/.gitignore
index 7588ddc..1c798c7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 hostkeys
 homedir
+docker-compose.yml
diff --git a/Dockerfile b/Dockerfile
index 942e345..c0b9eab 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/alpine:3.14
+FROM docker.io/alpine:3.17
 
 COPY repositories /etc/apk/
 
diff --git a/entrypoint.sh b/entrypoint.sh
index bf09d91..bc46d2b 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -134,7 +134,8 @@ run_sshd() {
 	fi
 
 	cat > /etc/ssh/sshd_config <<SSH_CONFIG
-Port $SSHD_PORT
+ListenAddress 0.0.0.0:$SSHD_PORT
+ListenAddress [::]:$SSHD_PORT
 ChallengeResponseAuthentication no
 PasswordAuthentication no
 AuthorizedKeysFile /etc/ssh/keys/%u .ssh/authorized_keys
diff --git a/home/install_keys.sh b/home/install_keys.sh
new file mode 100755
index 0000000..b722038
--- /dev/null
+++ b/home/install_keys.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+# Useful for generating git-only authorized keys.
+# If say you don't want to enable shell access for all of your git users.
+# Note, that this doesn't prevent people from deleting branches, force
+# pushing and such.
+boiler='no-port-forwarding,no-agent-forwarding,command="git-shell -c \"$SSH_ORIGINAL_COMMAND\""'
+
+if [ -z "$1" ] ; then
+	echo "You need to supply an argument which contains a set of authorized_keys files"
+	exit 1;
+fi
+
+IFS="
+"
+for key in $(cat "$@" | sed -e'/^#/d' ) ; do
+	printf "%s %s\n" "$boiler" "$key"
+done
diff --git a/home/list.sh b/home/list.sh
index b3b8bd9..592a4a3 100755
--- a/home/list.sh
+++ b/home/list.sh
@@ -1,10 +1,9 @@
 #!/bin/sh
 #shellcheck disable=SC2038
-find . -type f -name HEAD \
+find * -type f -name HEAD \
 	| xargs -n1 dirname \
 	| while read -r repo ; do
 		if ! [ "$(basename "$repo")" = ".git" ] ; then
 			echo "$repo";
 		fi
 	done
-
diff --git a/home/update.sh b/home/update.sh
index a51490f..a484fcc 100755
--- a/home/update.sh
+++ b/home/update.sh
@@ -6,6 +6,6 @@ set -x
 $HOME/list.sh \
 	| while read -r repo ; do
 		cd "$repo"
-		git repack
+		git update-server-info
 		cd -
 	done
-- 
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