96 lines
3.0 KiB
Rust
96 lines
3.0 KiB
Rust
/*
|
|
* This file is part of mailpot
|
|
*
|
|
* Copyright 2020 - Manos Pitsidianakis
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
use std::{
|
|
fs::{metadata, OpenOptions},
|
|
io,
|
|
process::{Command, Stdio},
|
|
};
|
|
|
|
// Source: https://stackoverflow.com/a/64535181
|
|
fn is_output_file_outdated<P1, P2>(input: P1, output: P2) -> io::Result<bool>
|
|
where
|
|
P1: AsRef<Path>,
|
|
P2: AsRef<Path>,
|
|
{
|
|
let out_meta = metadata(output);
|
|
if let Ok(meta) = out_meta {
|
|
let output_mtime = meta.modified()?;
|
|
|
|
// if input file is more recent than our output, we are outdated
|
|
let input_meta = metadata(input)?;
|
|
let input_mtime = input_meta.modified()?;
|
|
|
|
Ok(input_mtime > output_mtime)
|
|
} else {
|
|
// output file not found, we are outdated
|
|
Ok(true)
|
|
}
|
|
}
|
|
|
|
include!("make_migrations.rs");
|
|
|
|
const MIGRATION_RS: &str = "src/migrations.rs.inc";
|
|
|
|
fn main() {
|
|
println!("cargo:rerun-if-changed=src/migrations.rs.inc");
|
|
println!("cargo:rerun-if-changed=migrations");
|
|
println!("cargo:rerun-if-changed=src/schema.sql.m4");
|
|
|
|
if is_output_file_outdated("src/schema.sql.m4", "src/schema.sql").unwrap() {
|
|
let output = Command::new("m4")
|
|
.arg("./src/schema.sql.m4")
|
|
.output()
|
|
.unwrap();
|
|
if String::from_utf8_lossy(&output.stdout).trim().is_empty() {
|
|
panic!(
|
|
"m4 output is empty. stderr was {}",
|
|
String::from_utf8_lossy(&output.stderr)
|
|
);
|
|
}
|
|
let mut verify = Command::new("sqlite3")
|
|
.stdin(Stdio::piped())
|
|
.stdout(Stdio::piped())
|
|
.stderr(Stdio::piped())
|
|
.spawn()
|
|
.unwrap();
|
|
println!(
|
|
"Verifying by creating an in-memory database in sqlite3 and feeding it the output \
|
|
schema."
|
|
);
|
|
verify
|
|
.stdin
|
|
.take()
|
|
.unwrap()
|
|
.write_all(&output.stdout)
|
|
.unwrap();
|
|
let exit = verify.wait_with_output().unwrap();
|
|
if !exit.status.success() {
|
|
panic!(
|
|
"sqlite3 could not read SQL schema: {}",
|
|
String::from_utf8_lossy(&exit.stdout)
|
|
);
|
|
}
|
|
let mut file = std::fs::File::create("./src/schema.sql").unwrap();
|
|
file.write_all(&output.stdout).unwrap();
|
|
}
|
|
|
|
make_migrations("migrations", MIGRATION_RS);
|
|
}
|