293 lines · 8.8 KB · Rust
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use std::str::FromStr; use anyhow::{anyhow, bail, Result};use url::Url;use util::maybe; use git::{    BuildCommitPermalinkParams, BuildPermalinkParams, GitHostingProvider, ParsedGitRemote,    RemoteUrl,}; #[derive(Debug)]pub struct Gitlab {    name: String,    base_url: Url,} impl Gitlab {    pub fn new() -> Self {        Self {            name: "GitLab".to_string(),            base_url: Url::parse("https://gitlab.com").unwrap(),        }    }     pub fn from_remote_url(remote_url: &str) -> Result<Self> {        let host = maybe!({            if let Some(remote_url) = remote_url.strip_prefix("git@") {                if let Some((host, _)) = remote_url.trim_start_matches("git@").split_once(':') {                    return Some(host.to_string());                }            }             Url::parse(&remote_url)                .ok()                .and_then(|remote_url| remote_url.host_str().map(|host| host.to_string()))        })        .ok_or_else(|| anyhow!("URL has no host"))?;         if !host.contains("gitlab") {            bail!("not a GitLab URL");        }         Ok(Self {            name: "GitLab Self-Hosted".to_string(),            base_url: Url::parse(&format!("https://{}", host))?,        })    }} impl GitHostingProvider for Gitlab {    fn name(&self) -> String {        self.name.clone()    }     fn base_url(&self) -> Url {        self.base_url.clone()    }     fn supports_avatars(&self) -> bool {        false    }     fn format_line_number(&self, line: u32) -> String {        format!("L{line}")    }     fn format_line_numbers(&self, start_line: u32, end_line: u32) -> String {        format!("L{start_line}-{end_line}")    }     fn parse_remote_url(&self, url: &str) -> Option<ParsedGitRemote> {        let url = RemoteUrl::from_str(url).ok()?;         let host = url.host_str()?;        if host != self.base_url.host_str()? {            return None;        }         let mut path_segments = url.path_segments()?.collect::<Vec<_>>();        let repo = path_segments.pop()?.trim_end_matches(".git");        let owner = path_segments.join("/");         Some(ParsedGitRemote {            owner: owner.into(),            repo: repo.into(),        })    }     fn build_commit_permalink(        &self,        remote: &ParsedGitRemote,        params: BuildCommitPermalinkParams,    ) -> Url {        let BuildCommitPermalinkParams { sha } = params;        let ParsedGitRemote { owner, repo } = remote;         self.base_url()            .join(&format!("{owner}/{repo}/-/commit/{sha}"))            .unwrap()    }     fn build_permalink(&self, remote: ParsedGitRemote, params: BuildPermalinkParams) -> Url {        let ParsedGitRemote { owner, repo } = remote;        let BuildPermalinkParams {            sha,            path,            selection,        } = params;         let mut permalink = self            .base_url()            .join(&format!("{owner}/{repo}/-/blob/{sha}/{path}"))            .unwrap();        if path.ends_with(".md") {            permalink.set_query(Some("plain=1"));        }        permalink.set_fragment(            selection                .map(|selection| self.line_fragment(&selection))                .as_deref(),        );        permalink    }} #[cfg(test)]mod tests {    use pretty_assertions::assert_eq;     use super::*;     #[test]    fn test_parse_remote_url_given_ssh_url() {        let parsed_remote = Gitlab::new()            .parse_remote_url("git@gitlab.com:zed-industries/zed.git")            .unwrap();         assert_eq!(            parsed_remote,            ParsedGitRemote {                owner: "zed-industries".into(),                repo: "zed".into(),            }        );    }     #[test]    fn test_parse_remote_url_given_https_url() {        let parsed_remote = Gitlab::new()            .parse_remote_url("https://gitlab.com/zed-industries/zed.git")            .unwrap();         assert_eq!(            parsed_remote,            ParsedGitRemote {                owner: "zed-industries".into(),                repo: "zed".into(),            }        );    }     #[test]    fn test_parse_remote_url_given_self_hosted_ssh_url() {        let remote_url = "git@gitlab.my-enterprise.com:zed-industries/zed.git";         let parsed_remote = Gitlab::from_remote_url(remote_url)            .unwrap()            .parse_remote_url(remote_url)            .unwrap();         assert_eq!(            parsed_remote,            ParsedGitRemote {                owner: "zed-industries".into(),                repo: "zed".into(),            }        );    }     #[test]    fn test_parse_remote_url_given_self_hosted_https_url_with_subgroup() {        let remote_url = "https://gitlab.my-enterprise.com/group/subgroup/zed.git";        let parsed_remote = Gitlab::from_remote_url(remote_url)            .unwrap()            .parse_remote_url(remote_url)            .unwrap();         assert_eq!(            parsed_remote,            ParsedGitRemote {                owner: "group/subgroup".into(),                repo: "zed".into(),            }        );    }     #[test]    fn test_build_gitlab_permalink() {        let permalink = Gitlab::new().build_permalink(            ParsedGitRemote {                owner: "zed-industries".into(),                repo: "zed".into(),            },            BuildPermalinkParams {                sha: "e6ebe7974deb6bb6cc0e2595c8ec31f0c71084b7",                path: "crates/editor/src/git/permalink.rs",                selection: None,            },        );         let expected_url = "https://gitlab.com/zed-industries/zed/-/blob/e6ebe7974deb6bb6cc0e2595c8ec31f0c71084b7/crates/editor/src/git/permalink.rs";        assert_eq!(permalink.to_string(), expected_url.to_string())    }     #[test]    fn test_build_gitlab_permalink_with_single_line_selection() {        let permalink = Gitlab::new().build_permalink(            ParsedGitRemote {                owner: "zed-industries".into(),                repo: "zed".into(),            },            BuildPermalinkParams {                sha: "e6ebe7974deb6bb6cc0e2595c8ec31f0c71084b7",                path: "crates/editor/src/git/permalink.rs",                selection: Some(6..6),            },        );         let expected_url = "https://gitlab.com/zed-industries/zed/-/blob/e6ebe7974deb6bb6cc0e2595c8ec31f0c71084b7/crates/editor/src/git/permalink.rs#L7";        assert_eq!(permalink.to_string(), expected_url.to_string())    }     #[test]    fn test_build_gitlab_permalink_with_multi_line_selection() {        let permalink = Gitlab::new().build_permalink(            ParsedGitRemote {                owner: "zed-industries".into(),                repo: "zed".into(),            },            BuildPermalinkParams {                sha: "e6ebe7974deb6bb6cc0e2595c8ec31f0c71084b7",                path: "crates/editor/src/git/permalink.rs",                selection: Some(23..47),            },        );         let expected_url = "https://gitlab.com/zed-industries/zed/-/blob/e6ebe7974deb6bb6cc0e2595c8ec31f0c71084b7/crates/editor/src/git/permalink.rs#L24-48";        assert_eq!(permalink.to_string(), expected_url.to_string())    }     #[test]    fn test_build_gitlab_self_hosted_permalink_from_ssh_url() {        let gitlab =            Gitlab::from_remote_url("git@gitlab.some-enterprise.com:zed-industries/zed.git")                .unwrap();        let permalink = gitlab.build_permalink(            ParsedGitRemote {                owner: "zed-industries".into(),                repo: "zed".into(),            },            BuildPermalinkParams {                sha: "e6ebe7974deb6bb6cc0e2595c8ec31f0c71084b7",                path: "crates/editor/src/git/permalink.rs",                selection: None,            },        );         let expected_url = "https://gitlab.some-enterprise.com/zed-industries/zed/-/blob/e6ebe7974deb6bb6cc0e2595c8ec31f0c71084b7/crates/editor/src/git/permalink.rs";        assert_eq!(permalink.to_string(), expected_url.to_string())    }     #[test]    fn test_build_gitlab_self_hosted_permalink_from_https_url() {        let gitlab =            Gitlab::from_remote_url("https://gitlab-instance.big-co.com/zed-industries/zed.git")                .unwrap();        let permalink = gitlab.build_permalink(            ParsedGitRemote {                owner: "zed-industries".into(),                repo: "zed".into(),            },            BuildPermalinkParams {                sha: "b2efec9824c45fcc90c9a7eb107a50d1772a60aa",                path: "crates/zed/src/main.rs",                selection: None,            },        );         let expected_url = "https://gitlab-instance.big-co.com/zed-industries/zed/-/blob/b2efec9824c45fcc90c9a7eb107a50d1772a60aa/crates/zed/src/main.rs";        assert_eq!(permalink.to_string(), expected_url.to_string())    }}