Add script for adding a migration

scripts/add_migration.sh

@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+
+shopt -s nullglob extglob
+set -e
+
+usage() {
+    echo "Usage: $0 <migration_name>"
+}
+
+SCRIPT=$(realpath "$0")
+SCRIPTPATH=$(dirname "$SCRIPT")
+
+PROJECT_ROOT=$(realpath --relative-to="$PWD" "$SCRIPTPATH/..")
+
+MIGRATION_NAME="$1"
+if [[ -z "$MIGRATION_NAME" ]]; then
+    usage
+    exit 1
+fi
+
+MIGRATIONS_DIR="$PROJECT_ROOT/src/migrations"
+
+# echo "MIGRATIONS_DIR: $MIGRATIONS_DIR"
+
+pushd "$MIGRATIONS_DIR" >/dev/null
+SQL_FILES=(+([0-9])*.sql)
+popd >/dev/null
+
+# echo "SQL_FILES: "
+# echo "${SQL_FILES[@]}"
+
+# Remove anything after first numbers
+MIGRATION_NUMBERS=("${SQL_FILES[@]%%*([!0-9])}")
+
+# echo "MIGRATION_NUMBERS: "
+# echo "${MIGRATION_NUMBERS[@]}"
+
+MIGRATION_MAX=0
+for num in "${MIGRATION_NUMBERS[@]}"; do
+    if (( num > MIGRATION_MAX ))
+    then
+        MIGRATION_MAX=$num
+    fi
+done
+
+# echo "MIGRATION_MAX: $MIGRATION_MAX"
+
+NEXT_MIGRATION=$(( MIGRATION_MAX + 1 ))
+NEXT_MIGRATION_PREFIX=$( printf "%04d" "$NEXT_MIGRATION" )
+
+# echo "NEXT_MIGRATION: $NEXT_MIGRATION"
+# echo "NEXT_MIGRATION_PREFIX: $NEXT_MIGRATION_PREFIX"
+
+for SUFFIX in "up" "down"; do
+    migration_file="$MIGRATIONS_DIR/$NEXT_MIGRATION_PREFIX-$MIGRATION_NAME-$SUFFIX.sql"
+    echo "Creating migration file $migration_file"
+    touch "$migration_file"
+done
+
+LINE_TO_INSERT="    migs.add(include_file_migration!($NEXT_MIGRATION, \"$NEXT_MIGRATION_PREFIX-$MIGRATION_NAME\"));"
+
+MIGRATIONS_RS="$PROJECT_ROOT/src/db.rs"
+echo "Inserting line in $MIGRATIONS_RS"
+sed -i "/INSERT MIGRATION ABOVE/i $LINE_TO_INSERT" "$MIGRATIONS_RS"

src/db.rs

@@ -14,5 +14,6 @@ pub fn create_migrations() -> Migrations {
     let mut migs = Migrations::new();
     migs.add(include_file_migration!(1, "0001-table_sections"));
     migs.add(include_file_migration!(2, "0002-section_rows"));
+    // INSERT MIGRATION ABOVE -- DO NOT EDIT THIS COMMENT
     migs
 }