flowey_lib_hvlite/
install_git_credential_manager.rs

1// Copyright (c) Microsoft Corporation.
2// Licensed under the MIT License.
3
4//! Globally install the git credential manager
5
6use flowey::node::prelude::*;
7use flowey_lib_common::_util::wslpath;
8
9flowey_config! {
10    /// Config for the install_git_credential_manager node.
11    pub struct Config {
12        /// Automatically configure the user's global config manager
13        pub auto_configure: Option<bool>,
14        /// WSL2 will use linux git credential manager if true, windows version if false.
15        pub use_native_linux_on_wsl2: Option<bool>,
16    }
17}
18
19flowey_request! {
20    pub enum Request {
21        /// Ensure that git was configured
22        EnsureConfigured(WriteVar<SideEffect>),
23    }
24}
25
26new_flow_node_with_config!(struct Node);
27
28impl FlowNodeWithConfig for Node {
29    type Request = Request;
30    type Config = Config;
31
32    fn imports(dep: &mut ImportCtx<'_>) {
33        dep.import::<flowey_lib_common::install_git::Node>();
34        dep.import::<flowey_lib_common::check_needs_relaunch::Node>();
35    }
36
37    fn emit(
38        config: Config,
39        requests: Vec<Self::Request>,
40        ctx: &mut NodeCtx<'_>,
41    ) -> anyhow::Result<()> {
42        if !matches!(ctx.backend(), FlowBackend::Local) {
43            anyhow::bail!("only supported on the local backend at this time");
44        }
45
46        let mut ensure_configured = Vec::new();
47
48        for req in requests {
49            match req {
50                Request::EnsureConfigured(v) => ensure_configured.push(v),
51            }
52        }
53
54        let use_native_linux_on_wsl2 = config.use_native_linux_on_wsl2.unwrap_or(false);
55        let auto_configure = config.auto_configure.unwrap_or(false);
56
57        // -- end of req processing -- //
58
59        let git_ensure_installed =
60            ctx.reqv(flowey_lib_common::install_git::Request::EnsureInstalled);
61
62        let (read_env, write_env) = ctx.new_var();
63        ctx.req(flowey_lib_common::check_needs_relaunch::Params {
64            check: read_env,
65            done: ensure_configured,
66        });
67
68        ctx.emit_rust_step("configure git credential manager", move |ctx| {
69            git_ensure_installed.clone().claim(ctx);
70            let write_env = write_env.claim(ctx);
71
72            move |rt: &mut RustRuntimeServices<'_>| {
73                let mut env_to_write = None;
74                let existing_credman = flowey::shell_cmd!(rt, "git config --global credential.helper").ignore_status().read()?;
75                log::info!("existing credentials helper: {existing_credman}");
76
77                if !existing_credman.is_empty() {
78                    if existing_credman.contains("git-credential-manager")
79                        || existing_credman.contains("credential-manager-core")
80                        || existing_credman.contains("manager")
81                    {
82                        log::info!("existing credentials helper matches a known-good credential helper.");
83                        rt.write(write_env, &None);
84                        return Ok(())
85                    } else {
86                        log::warn!("existing credentials helper isn't any of the known-good credential helpers.");
87                        log::warn!("assume the user knows what they're doing?");
88                        rt.write(write_env, &None);
89                        return Ok(())
90                    }
91                }
92
93                // give the user an option to maunally install the cred manager
94                if existing_credman.is_empty() && !auto_configure {
95                    log::info!("Could not detect an existing Git Credential helper.");
96                    log::info!("Press <y> to automatically configure an appropriate --global configuration helper, or any other key to abort the run.");
97                    let mut input = String::new();
98                    std::io::stdin().read_line(&mut input)?;
99                    if input.trim() != "y" {
100                        anyhow::bail!("aborting...")
101                    }
102                }
103
104                if flowey_lib_common::_util::running_in_wsl(rt) && !use_native_linux_on_wsl2 {
105                    let windows_user_profile_path_windows = flowey::shell_cmd!(rt, "cmd.exe /c echo %UserProfile%").read().map_err(|_| anyhow::anyhow!("Unable to run cmd.exe, please restart WSL by running `wsl --shutdown` in powershell and try again."))?;
106                    let windows_user_profile_path = wslpath::win_to_linux(rt, windows_user_profile_path_windows);
107                    let gcm_path_opt_1 = windows_user_profile_path.join("AppData/Local/Programs/Git Credential Manager/git-credential-manager.exe");
108                    let gcm_path_opt_2 = wslpath::win_to_linux(rt, r#"C:\Program Files\Git\mingw64\bin\git-credential-manager.exe"#);
109                    let gcm_path_opt_3 = wslpath::win_to_linux(rt, r#"C:\Program Files\Git\mingw64\libexec\git-core\git-credential-manager.exe"#);
110                    let gcm_path_opt_4 = wslpath::win_to_linux(rt, r#"C:\Program Files (x86)\Git Credential Manager\git-credential-manager.exe"#);
111
112                    let gcm_path = if rt.sh.path_exists(&gcm_path_opt_1) {
113                        &gcm_path_opt_1
114                    } else if rt.sh.path_exists(&gcm_path_opt_2) {
115                        &gcm_path_opt_2
116                    } else if rt.sh.path_exists(&gcm_path_opt_3) {
117                        &gcm_path_opt_3
118                    } else if rt.sh.path_exists(&gcm_path_opt_4) {
119                        &gcm_path_opt_4
120                    } else {
121                        anyhow::bail!("Git Credential Manager not found, please install it manually.");
122                    };
123
124                    if gcm_path == &gcm_path_opt_1 || gcm_path == &gcm_path_opt_4 {
125                        let mut wslenv = rt.sh.var("WSLENV")?;
126                        if !wslenv.contains("GIT_EXEC_PATH/wp") {
127                            log::info!("Standalone Git Credential Manager has been detected.");
128                            log::info!("Please run the following from an administrator command prompt to configure it:");
129                            log::info!("SETX WSLENV %WSLENV%:GIT_EXEC_PATH/wp");
130                            log::info!("This command shares `GIT_EXEC_PATH`, an environment variable which determines where Git looks for its sub-programs,");
131                            log::info!(" with WSL processes spawned from Win32 and vice versa. `/wp` are flags specifying how `GIT_EXEC_PATH` gets translated.");
132                            log::info!("Please refer to <https://devblogs.microsoft.com/commandline/share-environment-vars-between-wsl-and-windows/>");
133                            log::info!("and <https://git-scm.com/book/en/v2/Git-Internals-Environment-Variables> for more details.");
134
135                            let do_config = if !auto_configure {
136                                wslenv.push_str(":GIT_EXEC_PATH/wp");
137
138                                log::info!("Please press <y> to automatically configure it, or any other key to continue after manual configuration.");
139                                let mut input = String::new();
140                                std::io::stdin().read_line(&mut input)?;
141                                input.trim() == "y"
142                            } else {
143                                true
144                            };
145
146                            if do_config {
147                                flowey::shell_cmd!(rt, "setx.exe WSLENV {wslenv}").run()?;
148                            }
149
150                            env_to_write = Some(flowey_lib_common::check_needs_relaunch::BinOrEnv::Env("WSLENV".to_string(), "GIT_EXEC_PATH/wp".to_string()));
151                        }
152                    }
153
154                    // Have to do this weird string business due to requiring the escaped space character in Program\ Files
155                    let gcm_path_str = gcm_path.to_str().expect("Invalid git credential manager path").to_string().replace(' ', "\\ ");
156                    flowey::shell_cmd!(rt, "git config --global credential.helper {gcm_path_str}").run()?;
157                    flowey::shell_cmd!(rt, "git config --global credential.https://dev.azure.com.useHttpPath true").run()?;
158                } else if matches!(rt.platform(), FlowPlatform::Windows) {
159                    flowey::shell_cmd!(rt, "git config --global credential.helper manager").run()?;
160                } else {
161                    anyhow::bail!("git credential manager configuration only supported for windows/wsl2 at this time")
162                }
163
164                rt.write(write_env, &env_to_write);
165                Ok(())
166            }
167        });
168
169        Ok(())
170    }
171}
flowey_lib_hvlite/install_git_credential_manager.rs

flowey_lib_hvlite/
install_git_credential_manager.rs
