Add host script for initial configuration flow

The new installation procedure is to start with ./configure to set your
pubkey up for admin access.  The initialize script is updated to use an
active prompt, since as-is, CTRL-C won't properly terminate the script
to cancel.

Signed-off-by: Malfurious <m@lfurio.us>

1 files changed, 22 insertions, 0 deletions

diff --git a/configure b/configure
new file mode 100755
index 0000000..53d8e1c
--- /dev/null
+++ b/configure
@@ -0,0 +1,22 @@
+#!/bin/sh
+
+usage() {
+    echo "usage: ./configure <ssh-pubkey>"
+    echo "Please give me your administrator public key, whose filename must"
+    echo "end in '.pub'.  Paths beginning with '~' are not allowed, however"
+    echo "your shell might pre-expand them."
+    exit 1
+}
+
+echo "$1" | grep -Eq '^~' && usage
+echo "$1" | grep -Eq '.+\.pub$' || usage
+
+echo "$1" | grep -Eq '^/' && keypath="$1" || keypath="$PWD/$1"
+keyname=$(basename "$keypath")
+
+docker compose run \
+    --build \
+    --rm \
+    --volume "$keypath:/tmp/$keyname:ro" \
+    gitolite \
+    /app/initialize.sh "$keyname"