1use std::env;
2
3use anyhow::Result;
4use clap::Parser;
5use gix::commit::describe::SelectRef::AllTags;
6
7use crate::utils::parse_semver_tag;
8
9#[derive(Parser, Debug)]
10#[command(name = "git-semver")]
11#[command(version = env!("VERSION"))]
12#[command(about = "Parse and print semantic version info from a Git repository.")]
13pub struct Args {
14 #[arg(short('x'), long("major"), help = "Increment major version.")]
15 major: bool,
16
17 #[arg(short('y'), long("minor"), help = "Increment minor version.")]
18 minor: bool,
19
20 #[arg(short('z'), long("patch"), help = "Increment patch version.")]
21 patch: bool,
22}
23
24pub fn get_args() -> Result<Args> {
25 let args = Args::parse();
26 Ok(args)
27}
28
29pub fn run(args: Args) -> Result<()> {
30 let curdir = env::current_dir().expect("failed to fetch current directory");
31 let repo = gix::discover(curdir).expect("failed to locate git repo");
32 let mut latest_tag = repo.head_commit()?.describe().names(AllTags);
33 let mut version = parse_semver_tag(&latest_tag.format()?.to_string())?;
34
35 if args.major {
36 version = increment_major(version)
37 }
38 if args.minor {
39 version = increment_minor(version)
40 }
41 if args.patch {
42 version = increment_patch(version)
43 }
44
45 let major = version.major;
46 let minor = version.minor;
47 let patch = version.patch;
48
49 println!("v{major}.{minor}.{patch}");
50 Ok(())
51}
52
53fn increment_major(version: semver::Version) -> semver::Version {
54 let mut clone = version.clone();
55 clone.major += 1;
56 clone.minor = 0;
57 clone.patch = 0;
58 clone
59}
60
61fn increment_minor(version: semver::Version) -> semver::Version {
62 let mut clone = version.clone();
63 clone.minor += 1;
64 clone.patch = 0;
65 clone
66}
67
68fn increment_patch(version: semver::Version) -> semver::Version {
69 let mut clone = version.clone();
70 clone.patch += 1;
71 clone
72}
73
74#[cfg(test)]
75#[path = "cli_test.rs"]
76mod cli_test;