From ab1c64525d64d62e64654cc93365e9479b537879 Mon Sep 17 00:00:00 2001
From: swrup <swrup@protonmail.com>
Date: Tue, 10 Feb 2026 07:59:24 +0100
Subject: [PATCH] add dbinit.sh

---
 .gitignore      |   2 +
 tools/dbinit.sh | 100 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 102 insertions(+)
 create mode 100755 tools/dbinit.sh

diff --git a/.gitignore b/.gitignore
index dbd4866f..0ffd3a74 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,5 @@
 _build
 data/secmod/*
 !data/secmod/.gitkeep
+
+taler_exchange_sql
diff --git a/tools/dbinit.sh b/tools/dbinit.sh
new file mode 100755
index 00000000..ae85d04a
--- /dev/null
+++ b/tools/dbinit.sh
@@ -0,0 +1,100 @@
+#!/bin/bash
+
+# TODO
+# use specific commit
+
+# usage:
+#   `create_database`
+#      create a `taler-exchange` database
+#   `fetch`
+#      fetch all *.sql and *.sql.in files from GNU Taler exchange repository (latest commit)
+#   `init`
+#      initialize taler-exchange database (create tables, ...)
+#      `taler-exchange` database must already be created
+#
+
+
+set -e
+
+taler_repo_url="https://git-www.taler.net/exchange.git/"
+
+tmp_dir="/tmp/taler_exchange"
+out_dir="./taler_exchange_sql"
+init_sql="${out_dir}/init.sql"
+drop_sql="${out_dir}/drop.sql"
+
+# psql parameter
+host="localhost"
+port=5432
+username="mte"
+dbname="taler-exchange"
+
+fetch() {
+   git clone --depth 1 $taler_repo_url $tmp_dir
+}
+
+process() {
+   source_dir="${tmp_dir}/src/exchangedb"
+   sql_in_files=(
+     "procedures.sql"
+     "exchange-0002.sql"
+     "exchange-0003.sql"
+     "exchange-0004.sql"
+   )
+   for file in "${sql_in_files[@]}"; do
+     file_in="${source_dir}/${file}.in"
+     file_out="${source_dir}/${file}"
+     gcc -E -P -undef -I "$source_dir" - < "$file_in" \
+       2>/dev/null \
+       > "$file_out"
+   done
+   # order is important
+   files=(
+     "versioning.sql"
+     "exchange-0001.sql"
+     "exchange-0002.sql"
+     "exchange-0003.sql"
+     "exchange-0004.sql"
+     "exchange-0005.sql"
+     "procedures.sql"
+   )
+   mkdir -p "$out_dir"
+   cat "${source_dir}/drop.sql" > "$drop_sql"
+   echo "" > "$init_sql"
+   for file in "${files[@]}"; do
+      cat "${source_dir}/${file}" >> "$init_sql"
+   done
+}
+
+# ? "NOTICE:  function xxx() does not exist, skipping"
+init() {
+   psql --host=$host --port=$port --username=$username --password --dbname=$dbname --file=$init_sql
+}
+
+drop_schema() {
+   psql --host=$host --port=$port --username=$username --password --dbname=$dbname --file=$drop_sql
+}
+
+create_database() {
+   createdb --host=$host --port=$port --username=$username --password $dbname
+}
+
+drop_database() {
+   dropdb --host=$host --port=$port --username=$username --password $dbname
+}
+
+if [[ $# -eq 0 ]]; then
+    echo "no argument" >&2
+    exit 1
+fi
+
+cmd=$1
+case "$cmd" in
+    fetch) fetch "$@"; exit 0;;
+    process) process "$@"; exit 0;;
+    init) init "$@"; exit 0;;
+    drop_schema) drop_schema "$@"; exit 0;;
+    create_database) create_database "$@"; exit 0;;
+    drop_database) drop_database "$@"; exit 0;;
+    *) echo "Unknown command: $cmd" >&2; exit 1;;
+esac