diff --git a/src/bootstrap/channel.rs b/src/bootstrap/channel.rs
index 199c01cf8215..1153acfa57d3 100644
--- a/src/bootstrap/channel.rs
+++ b/src/bootstrap/channel.rs
@@ -101,4 +101,8 @@ pub fn version(&self, build: &Build, num: &str) -> String {
         }
         version
     }
+
+    pub fn is_git(&self) -> bool {
+        self.inner.is_some()
+    }
 }
diff --git a/src/bootstrap/dist.rs b/src/bootstrap/dist.rs
index c91d6f0b77cb..2f7c1f038a19 100644
--- a/src/bootstrap/dist.rs
+++ b/src/bootstrap/dist.rs
@@ -623,7 +623,7 @@ pub fn plain_source_tarball(build: &Build) {
     write_file(&plain_dst_src.join("version"), build.rust_version().as_bytes());
 
     // If we're building from git sources, we need to vendor a complete distribution.
-    if build.src_is_git {
+    if build.rust_info.is_git() {
         // Get cargo-vendor installed, if it isn't already.
         let mut has_cargo_vendor = false;
         let mut cmd = Command::new(&build.initial_cargo);
diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
index bb82e711d7bf..a6608972acd1 100644
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@@ -183,7 +183,6 @@ pub struct Build {
     cxx: HashMap<String, gcc::Tool>,
     crates: HashMap<String, Crate>,
     is_sudo: bool,
-    src_is_git: bool,
     ci_env: CiEnv,
     delayed_failures: Cell<usize>,
 }
@@ -262,7 +261,6 @@ pub fn new(flags: Flags, config: Config) -> Build {
             lldb_version: None,
             lldb_python_dir: None,
             is_sudo: is_sudo,
-            src_is_git: src_is_git,
             ci_env: CiEnv::current(),
             delayed_failures: Cell::new(0),
         }
diff --git a/src/bootstrap/sanity.rs b/src/bootstrap/sanity.rs
index d6def25cfaa9..433ac3dedfd9 100644
--- a/src/bootstrap/sanity.rs
+++ b/src/bootstrap/sanity.rs
@@ -80,7 +80,7 @@ pub fn check(build: &mut Build) {
     let mut cmd_finder = Finder::new();
     // If we've got a git directory we're gona need git to update
     // submodules and learn about various other aspects.
-    if build.src_is_git {
+    if build.rust_info.is_git() {
         cmd_finder.must_have("git");
     }