chore: split queries.sql into files by table (#762)

coderd/database/generate.sh

@@ -0,0 +1,41 @@
+#!/usr/bin/env bash
+
+# This script turns many *.sql.go files into a single queries.sql.go file. This
+# is due to sqlc's behavior when using multiple sql files to output them to
+# multiple Go files. We decided it would be cleaner to move these to a single
+# file for readability. We should probably contribute the option to do this
+# upstream instead, because this is quite janky.
+
+set -euo pipefail
+
+cd "$(dirname "$0")"
+
+sqlc generate
+
+first=true
+for fi in queries/*.sql.go; do
+    # Find the last line from the imports section and add 1.
+    cut=$(grep -n ')' "$fi" | head -n 1 | cut -d: -f1)
+    cut=$((cut + 1))
+
+    # Copy the header from the first file only, ignoring the source comment.
+    if $first; then
+        head -n 4 < "$fi" | grep -v "source" > queries.sql.go
+        first=false
+    fi
+
+    # Append the file past the imports section into queries.sql.go.
+    tail -n "+$cut" < "$fi" >> queries.sql.go
+done
+
+# Remove temporary go files.
+rm -f queries/*.go
+
+# Fix struct/interface names.
+gofmt -w -r 'Querier -> querier' -- *.go
+gofmt -w -r 'Queries -> sqlQuerier' -- *.go
+
+# Ensure correct imports exist. Modules must all be downloaded so we get correct
+# suggestions.
+go mod download
+goimports -w queries.sql.go