setup android signing script

setup-android-signing.sh

+#!/bin/bash
+set -euo pipefail
+
+KEY_ALIAS=$1
+GITLAB_TOKEN=$2
+GITLAB_PROJECT_ID=$3
+
+PASSWORD=$(openssl rand -base64 16)
+KEYSTORE_PATH="signing/release.jks"
+
+mkdir signing || true
+
+keytool -genkey -v -keystore $KEYSTORE_PATH -alias "$KEY_ALIAS" -storepass "$PASSWORD" -keypass "$PASSWORD" -keyalg RSA -sigalg SHA256withRSA -keysize 2048 -validity 10000 -noprompt
+
+echo "created store at: $KEYSTORE_PATH"
+echo "key alias: $KEY_ALIAS"
+echo "store password: $PASSWORD"
+echo "key password: $PASSWORD"
+
+curl --request POST --header "PRIVATE-TOKEN: $GITLAB_TOKEN" \
+  "https://gitlab.icerockdev.com/api/v4/projects/$GITLAB_PROJECT_ID/variables" \
+  --form "key=RELEASE_KEY_ALIAS" --form "value=$KEY_ALIAS"
+
+curl --request POST --header "PRIVATE-TOKEN: $GITLAB_TOKEN" \
+  "https://gitlab.icerockdev.com/api/v4/projects/$GITLAB_PROJECT_ID/variables" \
+  --form "key=RELEASE_STORE_PASSWORD" --form "value=$PASSWORD"
+
+curl --request POST --header "PRIVATE-TOKEN: $GITLAB_TOKEN" \
+  "https://gitlab.icerockdev.com/api/v4/projects/$GITLAB_PROJECT_ID/variables" \
+  --form "key=RELEASE_KEY_PASSWORD" --form "value=$PASSWORD"