Add support for rust-coreutils in integration test script.

org_mode_samples/regular_link/simple.org

@@ -0,0 +1,3 @@
+[[https://fizz.buzz/]]
+
+[[https://fizz.buzz][super cool website]]

scripts/run_integration_test.bash

@@ -4,6 +4,8 @@ set -euo pipefail
 IFS=$'\n\t'
 DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
+REALPATH=$(command -v uu-realpath || command -v realpath)
+
 samples_dir=$(readlink -f "$DIR/../org_mode_samples")
 
 function get_test_names {
@@ -11,7 +13,7 @@ function get_test_names {
     do
         if [ -e "$test_file" ]; then
             test_file_full_path=$(readlink -f "$test_file")
-            relative_to_samples=$(realpath --relative-to "$samples_dir" "$test_file_full_path")
+            relative_to_samples=$($REALPATH --relative-to "$samples_dir" "$test_file_full_path")
             without_extension="${relative_to_samples%.org}"
             echo "${without_extension/\//_}" | tr '[:upper:]' '[:lower:]'
         else

src/parser/mod.rs

@@ -26,6 +26,7 @@ mod plain_list;
 mod plain_text;
 mod planning;
 mod property_drawer;
+mod regular_link;
 pub mod sexp;
 mod source;
 mod table;

src/parser/regular_link.rs

@@ -0,0 +1,11 @@
+use super::Context;
+use super::RegularLink;
+use crate::error::Res;
+
+#[tracing::instrument(ret, level = "debug")]
+pub fn regular_link<'r, 's>(
+    context: Context<'r, 's>,
+    input: &'s str,
+) -> Res<&'s str, RegularLink<'s>> {
+    todo!()
+}