cargo-pgx 0.1.4

cargo subcommand for 'pgx' to make Postgres extension development easy
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104

// Copyright 2020 ZomboDB, LLC <zombodb@gmail.com>. All rights reserved. Use of this source code is
// governed by the MIT license that can be found in the LICENSE file.

use std::io::Write;
use std::path::PathBuf;

pub(crate) fn create_crate_template(
    path: PathBuf,
    name: &str,
    is_bgworker: bool,
) -> Result<(), std::io::Error> {
    create_directory_structure(&path)?;
    create_control_file(&path, name)?;
    create_cargo_toml(&path, name)?;
    create_dotcargo_config(&path, name)?;
    create_lib_rs(&path, name, is_bgworker)?;
    create_git_ignore(&path, name)?;

    let cwd = std::env::current_dir().unwrap();
    std::env::set_current_dir(&path)?;
    crate::generate_schema()?;
    std::env::set_current_dir(cwd)?;

    Ok(())
}

fn create_directory_structure(path: &PathBuf) -> Result<(), std::io::Error> {
    let mut src_dir = path.clone();

    src_dir.push("src");
    std::fs::create_dir_all(&src_dir)?;

    src_dir.pop();
    src_dir.push(".cargo");
    std::fs::create_dir_all(&src_dir)?;

    src_dir.pop();
    src_dir.push("sql");
    std::fs::create_dir_all(&src_dir)
}

fn create_control_file(path: &PathBuf, name: &str) -> Result<(), std::io::Error> {
    let mut filename = path.clone();

    filename.push(format!("{}.control", name));
    let mut file = std::fs::File::create(filename)?;

    file.write_all(&format!(include_str!("../templates/control"), name = name).as_bytes())?;

    Ok(())
}

fn create_cargo_toml(path: &PathBuf, name: &str) -> Result<(), std::io::Error> {
    let mut filename = path.clone();

    filename.push("Cargo.toml");
    let mut file = std::fs::File::create(filename)?;

    file.write_all(&format!(include_str!("../templates/cargo_toml"), name = name).as_bytes())?;

    Ok(())
}

fn create_dotcargo_config(path: &PathBuf, _name: &str) -> Result<(), std::io::Error> {
    let mut filename = path.clone();

    filename.push(".cargo");
    filename.push("config");
    let mut file = std::fs::File::create(filename)?;

    file.write_all(include_bytes!("../templates/cargo_config"))?;

    Ok(())
}

fn create_lib_rs(path: &PathBuf, name: &str, is_bgworker: bool) -> Result<(), std::io::Error> {
    let mut filename = path.clone();

    filename.push("src");
    filename.push("lib.rs");
    let mut file = std::fs::File::create(filename)?;

    if is_bgworker {
        file.write_all(
            &format!(include_str!("../templates/bgworker_lib_rs"), name = name).as_bytes(),
        )?;
    } else {
        file.write_all(&format!(include_str!("../templates/lib_rs"), name = name).as_bytes())?;
    }

    Ok(())
}

fn create_git_ignore(path: &PathBuf, _name: &str) -> Result<(), std::io::Error> {
    let mut filename = path.clone();

    filename.push(".gitignore");
    let mut file = std::fs::File::create(filename)?;

    file.write_all(include_bytes!("../templates/gitignore"))?;

    Ok(())
}