deploy: add build and deploy script as flake app

scripts/deploy.sh

@@ -0,0 +1,63 @@
+#!@bash@/bin/bash
+set -euo pipefail
+
+PATH=@path@
+
+if [[ $# -ne 2 ]]; then
+    cat >&2 <<EOF
+
+USAGE: nix run .#deploy -- <public_url> <rsync_target>
+
+Builds bootstrap zip ball and source code tar ball (for usage as a channel or
+flake) and uploads it to the directory specified in <rsync_target>. The
+contents of this directory should be reachable by the android device with
+<public_url>.
+
+Example:
+$ nix run .#deploy -- 'https://example.com/bootstrap' 'user@host:/path/to/bootstrap'
+
+EOF
+    exit 1
+fi
+
+PUBLIC_URL="$1"
+RSYNC_TARGET="$2"
+
+# this allows to run this script from every place in this git repo
+REPO_DIR="$(git rev-parse --show-toplevel)"
+
+cd "$REPO_DIR"
+
+SOURCE_FILE="source.tar.gz"
+
+function log() {
+    echo "> $*"
+}
+
+
+log "building proot..."
+PROOT="$(nix build --no-link --print-out-paths ".#prootTermux")"
+
+
+PROOT_HASH_FILE="modules/environment/login/default.nix"
+log "patching proot path in $PROOT_HASH_FILE..."
+grep "prootStatic = \"/nix/store/" "$PROOT_HASH_FILE"
+sed -i "s|prootStatic = \"/nix/store/.*\";|prootStatic = \"$PROOT\";|" "$PROOT_HASH_FILE"
+grep "prootStatic = \"/nix/store/" "$PROOT_HASH_FILE"
+
+
+log "building bootstrapZip..."
+export NIX_ON_DROID_CHANNEL_URL="$PUBLIC_URL/$SOURCE_FILE"
+export NIX_ON_DROID_FLAKE_URL="$PUBLIC_URL/$SOURCE_FILE"
+BOOTSTRAP_ZIP="$(nix build --no-link --print-out-paths --impure ".#bootstrapZip")"
+
+
+log "creating tar ball of current HEAD..."
+git archive --prefix nix-on-droid/ --output "$SOURCE_FILE" HEAD
+
+
+log "uploading artifacts..."
+rsync --progress \
+    "$SOURCE_FILE" \
+    "$BOOTSTRAP_ZIP/bootstrap-aarch64.zip" \
+    "$RSYNC_TARGET"