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-rw-r--r--helix-loader/Cargo.toml1
-rw-r--r--helix-loader/src/grammar.rs11
2 files changed, 12 insertions, 0 deletions
diff --git a/helix-loader/Cargo.toml b/helix-loader/Cargo.toml
index b0d8f146..6e0217a2 100644
--- a/helix-loader/Cargo.toml
+++ b/helix-loader/Cargo.toml
@@ -21,6 +21,7 @@ etcetera = "0.8"
tree-sitter = "0.20"
once_cell = "1.18"
log = "0.4"
+which = "4.4"
# TODO: these two should be on !wasm32 only
diff --git a/helix-loader/src/grammar.rs b/helix-loader/src/grammar.rs
index 16955187..66111aeb 100644
--- a/helix-loader/src/grammar.rs
+++ b/helix-loader/src/grammar.rs
@@ -85,7 +85,16 @@ pub fn get_language(name: &str) -> Result<Language> {
Ok(language)
}
+fn ensure_git_is_available() -> Result<()> {
+ match which::which("git") {
+ Ok(_cmd) => Ok(()),
+ Err(err) => Err(anyhow::anyhow!("'git' could not be found ({err})")),
+ }
+}
+
pub fn fetch_grammars() -> Result<()> {
+ ensure_git_is_available()?;
+
// We do not need to fetch local grammars.
let mut grammars = get_grammar_configs()?;
grammars.retain(|grammar| !matches!(grammar.source, GrammarSource::Local { .. }));
@@ -145,6 +154,8 @@ pub fn fetch_grammars() -> Result<()> {
}
pub fn build_grammars(target: Option<String>) -> Result<()> {
+ ensure_git_is_available()?;
+
let grammars = get_grammar_configs()?;
println!("Building {} grammars", grammars.len());
let results = run_parallel(grammars, move |grammar| {