dbinit.sh: use git tag

.gitignore

@@ -1,5 +1,5 @@
 _build
-_taler_exchange_sql
+_dbinit_sql
 vendors
 assets
 secmod.fat

tools/dbinit.sh

@@ -1,25 +1,36 @@
-#!/bin/bash
+#!/bin/sh
 
-# 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
+# Script to initialize a taler-exchange database.
+# To use as an alternative to the taler-exchange-dbinit tool.
 #
+# This script aggregate GNU Taler exchange's SQL files together,
+# and send commands to PostgreSQL server with `psql`.
 
 
+# Usage:
+#   `fetch`
+#      fetch all *.sql and *.sql.in files from GNU Taler exchange repository
+#   `build`
+#      merge *.sql and *.sql.in files to produce `init.sql` and `drop.sql`
+#   `database_init`
+#      create a `taler-exchange` database
+#   `database_drop`
+#      drop `taler-exchange` database
+#   `init`
+#      apply `init.sql`
+#      (database must already be created)
+#   `drop`
+#      apply `drop.sql`
+
 set -e
 
 taler_repo_url="https://git-www.taler.net/exchange.git/"
+# todo
+# update to use taler exchange new build system and better *.sql organization
+taler_repo_tag="v1.5.0"
 
 tmp_dir="/tmp/taler_exchange"
-out_dir="./_taler_exchange_sql"
+out_dir="./_dbinit_sql"
 init_sql="${out_dir}/init.sql"
 drop_sql="${out_dir}/drop.sql"
 
@@ -30,10 +41,10 @@ username="mte"
 dbname="taler-exchange"
 
 fetch() {
-   git clone --depth 1 $taler_repo_url $tmp_dir
+   git clone --depth 1 --branch $taler_repo_tag $taler_repo_url $tmp_dir
 }
 
-process() {
+build() {
    source_dir="${tmp_dir}/src/exchangedb"
    sql_in_files=(
      "procedures.sql"
@@ -66,23 +77,22 @@ process() {
    done
 }
 
-# ? "NOTICE:  function xxx() does not exist, skipping"
+database_init() {
+   createdb --host=$host --port=$port --username=$username --password $dbname
+}
+
+database_drop() {
+   dropdb --host=$host --port=$port --username=$username --password $dbname
+}
+
 init() {
    psql --host=$host --port=$port --username=$username --password --dbname=$dbname --file=$init_sql
 }
 
-drop_schema() {
+drop() {
    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
@@ -91,10 +101,10 @@ fi
 cmd=$1
 case "$cmd" in
     fetch) fetch "$@"; exit 0;;
-    process) process "$@"; exit 0;;
+    build) build "$@"; exit 0;;
+    database_init) database_init "$@"; exit 0;;
+    database_drop) database_drop "$@"; exit 0;;
     init) init "$@"; exit 0;;
-    drop_schema) drop_schema "$@"; exit 0;;
-    create_database) create_database "$@"; exit 0;;
-    drop_database) drop_database "$@"; exit 0;;
+    drop) drop "$@"; exit 0;;
     *) echo "Unknown command: $cmd" >&2; exit 1;;
 esac