diff --git a/src/build_tools/git.rs b/src/build_tools/git.rs
index 4981014..6fc8a66 100644
--- a/src/build_tools/git.rs
+++ b/src/build_tools/git.rs
@@ -9,6 +9,23 @@ pub struct Git {
 }
 
 impl Git {
+    fn get_repo(&self) -> String {
+        self.repo
+            .split('#')
+            .next()
+            .expect("Could not get repo url")
+            .into()
+    }
+
+    fn get_ref(&self) -> Option<String> {
+        let mut split = self.repo.split('#');
+        split.next().expect("Could not get repo url");
+        match split.next() {
+            None => None,
+            Some(s) => Some(s.into()),
+        }
+    }
+
     pub fn get_reset_runner(&self) -> Runner {
         Runner::new(
             None,
@@ -34,10 +51,26 @@ impl Git {
         Runner::new(
             None,
             "git".into(),
-            vec!["clone".into(), self.repo.clone(), self.dir.clone(), "--recurse-submodules".into()],
+            vec![
+                "clone".into(),
+                self.get_repo(),
+                self.dir.clone(),
+                "--recurse-submodules".into(),
+            ],
         )
     }
 
+    pub fn get_checkout_ref_runner(&self) -> Option<Runner> {
+        match self.get_ref() {
+            Some(r) => Some(Runner::new(
+                None,
+                "git".into(),
+                vec!["-C".into(), self.dir.clone(), "checkout".into(), r],
+            )),
+            None => None,
+        }
+    }
+
     pub fn get_clone_or_not_runner(&self) -> Option<Runner> {
         let path_s = format!("{}/.git", self.dir.clone());
         let path = Path::new(&path_s);
diff --git a/src/builders/build_basalt.rs b/src/builders/build_basalt.rs
index 9a7d4a0..2a555f6 100644
--- a/src/builders/build_basalt.rs
+++ b/src/builders/build_basalt.rs
@@ -19,6 +19,15 @@ pub fn get_build_basalt_runners(profile: &Profile, clean_build: bool) -> Vec<Run
         Some(r) => runners.push(r),
         None => {}
     };
+    match git.get_checkout_ref_runner() {
+        Some(r) => {
+            runners.push(r);
+            if profile.pull_on_build {
+                runners.push(git.get_pull_runner());
+            }
+        }
+        None => {}
+    }
 
     let build_dir = format!("{}/build", profile.features.basalt.path.as_ref().unwrap());
     let mut cmake_vars: HashMap<String, String> = HashMap::new();
diff --git a/src/builders/build_libsurvive.rs b/src/builders/build_libsurvive.rs
index a988408..9f598cb 100644
--- a/src/builders/build_libsurvive.rs
+++ b/src/builders/build_libsurvive.rs
@@ -19,6 +19,15 @@ pub fn get_build_libsurvive_runners(profile: &Profile, clean_build: bool) -> Vec
         Some(r) => runners.push(r),
         None => {}
     };
+    match git.get_checkout_ref_runner() {
+        Some(r) => {
+            runners.push(r);
+            if profile.pull_on_build {
+                runners.push(git.get_pull_runner());
+            }
+        }
+        None => {}
+    }
 
     let build_dir = format!(
         "{}/build",
diff --git a/src/builders/build_monado.rs b/src/builders/build_monado.rs
index ff14907..9bedd4e 100644
--- a/src/builders/build_monado.rs
+++ b/src/builders/build_monado.rs
@@ -19,6 +19,15 @@ pub fn get_build_monado_runners(profile: &Profile, clean_build: bool) -> Vec<Run
         Some(r) => runners.push(r),
         None => {}
     };
+    match git.get_checkout_ref_runner() {
+        Some(r) => {
+            runners.push(r);
+            if profile.pull_on_build {
+                runners.push(git.get_pull_runner());
+            }
+        }
+        None => {}
+    }
 
     let build_dir = format!("{}/build", profile.xrservice_path);
     let mut env: HashMap<String, String> = HashMap::new();
diff --git a/src/builders/build_opencomposite.rs b/src/builders/build_opencomposite.rs
index 52e7844..62fe678 100644
--- a/src/builders/build_opencomposite.rs
+++ b/src/builders/build_opencomposite.rs
@@ -19,6 +19,15 @@ pub fn get_build_opencomposite_runners(profile: &Profile, clean_build: bool) ->
         Some(r) => runners.push(r),
         None => {}
     };
+    match git.get_checkout_ref_runner() {
+        Some(r) => {
+            runners.push(r);
+            if profile.pull_on_build {
+                runners.push(git.get_pull_runner());
+            }
+        }
+        None => {}
+    }
 
     let build_dir = format!("{}/build", profile.opencomposite_path);
     let mut cmake_vars: HashMap<String, String> = HashMap::new();
diff --git a/src/builders/build_wivrn.rs b/src/builders/build_wivrn.rs
index af8f398..f1cb3a1 100644
--- a/src/builders/build_wivrn.rs
+++ b/src/builders/build_wivrn.rs
@@ -19,6 +19,15 @@ pub fn get_build_wivrn_runners(profile: &Profile, clean_build: bool) -> Vec<Runn
         Some(r) => runners.push(r),
         None => {}
     };
+    match git.get_checkout_ref_runner() {
+        Some(r) => {
+            runners.push(r);
+            if profile.pull_on_build {
+                runners.push(git.get_pull_runner());
+            }
+        }
+        None => {}
+    }
 
     let build_dir = format!("{}/build", profile.xrservice_path);
     let mut cmake_vars: HashMap<String, String> = HashMap::new();
diff --git a/src/ui/profile_editor.rs b/src/ui/profile_editor.rs
index e7bd4a1..fcc6c67 100644
--- a/src/ui/profile_editor.rs
+++ b/src/ui/profile_editor.rs
@@ -90,6 +90,7 @@ impl SimpleComponent for ProfileEditor {
                 },
                 add: xrservicegrp = &adw::PreferencesGroup {
                     set_title: "XR Service",
+                    set_description: Some("When specifying a repository, you can set a specific git ref (branch, tag, commit...) by appending a '#' followed by the ref"),
                     add: {
                         withclones![prof];
                         &combo_row(
@@ -151,7 +152,7 @@ impl SimpleComponent for ProfileEditor {
                 },
                 add: opencompgrp = &adw::PreferencesGroup {
                     set_title: "OpenComposite",
-                    set_description: Some("OpenVR driver built on top of OpenXR"),
+                    set_description: Some("OpenVR driver built on top of OpenXR\n\nWhen specifying a repository, you can set a specific git ref (branch, tag, commit...) by appending a '#' followed by the ref"),
                     add: {
                         withclones![prof];
                         &path_row(
@@ -177,7 +178,7 @@ impl SimpleComponent for ProfileEditor {
                 },
                 add: libsurvivegrp = &adw::PreferencesGroup {
                     set_title: "Libsurvive",
-                    set_description: Some("Lighthouse tracking driver"),
+                    set_description: Some("Lighthouse tracking driver\n\nWhen specifying a repository, you can set a specific git ref (branch, tag, commit...) by appending a '#' followed by the ref"),
                     add: {
                         withclones![prof];
                         &switch_row(
@@ -214,7 +215,7 @@ impl SimpleComponent for ProfileEditor {
                 },
                 add: basaltgrp = &adw::PreferencesGroup {
                     set_title: "Basalt",
-                    set_description: Some("Camera based SLAM tracking driver"),
+                    set_description: Some("Camera based SLAM tracking driver\n\nWhen specifying a repository, you can set a specific git ref (branch, tag, commit...) by appending a '#' followed by the ref"),
                     add: {
                         withclones![prof];
                         &switch_row(
@@ -294,7 +295,9 @@ impl SimpleComponent for ProfileEditor {
             Self::Input::SaveProfile => {
                 let prof = self.profile.borrow();
                 if prof.validate() {
-                    sender.output(ProfileEditorOutMsg::SaveProfile(prof.clone())).expect("Sender output failed");
+                    sender
+                        .output(ProfileEditorOutMsg::SaveProfile(prof.clone()))
+                        .expect("Sender output failed");
                     self.win.as_ref().unwrap().close();
                 } else {
                     self.win.as_ref().unwrap().add_toast(