From fb3f04bc9cadec007fb871eeead13e08f7dc99ef Mon Sep 17 00:00:00 2001
From: ZapAnton <wc3ft2@gmail.com>
Date: Thu, 9 Aug 2018 23:11:10 +0300
Subject: [PATCH 1/3] ensure-lib-src-rs-exist: Updated the script to check if
 the stub file is empty

---
 _test/ensure-lib-src-rs-exist.sh | 41 +++++++++++++++++++++++++++-----
 1 file changed, 35 insertions(+), 6 deletions(-)

diff --git a/_test/ensure-lib-src-rs-exist.sh b/_test/ensure-lib-src-rs-exist.sh
index cf6969658..a73e565da 100755
--- a/_test/ensure-lib-src-rs-exist.sh
+++ b/_test/ensure-lib-src-rs-exist.sh
@@ -4,16 +4,45 @@ repo=$(cd "$(dirname "$0")/.." && pwd)
 
 missing=""
 
+empty_stub=""
+
+check_status=0
+
+IGNORED_EXERCISES=(
+	"two-fer" #deprecated
+	"nucleotide-codons" #deprecated
+	"hexadecimal" #deprecated
+)
+
 for dir in $repo/exercises/*/; do
   exercise=$(basename "$dir")
-  if [ ! -f $dir/src/lib.rs ]; then
-    # https://github.com/exercism/rust/pull/270
-    echo "$exercise is missing a src/lib.rs; please create one (an empty file is acceptable)"
-    missing="$missing\n$exercise"
+  if [ ! -f "$dir/src/lib.rs" ]; then
+	# https://github.com/exercism/rust/pull/270
+	echo "$exercise is missing a src/lib.rs; please create one (an empty file is acceptable)"
+	missing="$missing\n$exercise"
+	else
+		#Check if the stub file is empty
+		if [ ! -s "$dir/src/lib.rs" ] || [ "$(cat "$dir/src/lib.rs")" == "" ] && [[ " ${IGNORED_EXERCISES[*]} " != *"$exercise"* ]]; then
+			echo "$exercise has src/lib.rs stub file, but it is empty."
+			empty_stub="$empty_stub\n$exercise"
+		fi
   fi
 done
 
 if [ -n "$missing" ]; then
-  echo "Exercises missing src/lib.rs:$missing"
-  exit 1
+	printf "\nExercises missing src/lib.rs:$missing\n"
+
+	check_status=1
+fi
+
+if [ -n "$empty_stub" ]; then
+	printf "\nExercises with empty src/lib.rs stub file:$empty_stub\n"
+
+	check_status=1
+fi
+
+if [ "$check_status" -ne 0 ]; then
+	exit 1
+else
+	exit 0
 fi

From fffeb5cc001023c26b64ecefc44fd9a7b08460d4 Mon Sep 17 00:00:00 2001
From: ZapAnton <wc3ft2@gmail.com>
Date: Mon, 20 Aug 2018 08:55:54 +0300
Subject: [PATCH 2/3] ensure-lib-src-rs-exist: The script is now evoked via
 bash in the Travis

---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 6904ffef6..0a0e6a008 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@
 language: rust
 script:
 - "./_test/check-exercises.sh"
-- "sh ./_test/ensure-lib-src-rs-exist.sh"
+- "bash ./_test/ensure-lib-src-rs-exist.sh"
 - "sh ./_test/ensure-stubs-compile.sh"
 - "sh ./_test/count-ignores.sh"
 - "./bin/fetch-configlet"

From 3a1aea437aec03430f2a2b8ccc873464103a9322 Mon Sep 17 00:00:00 2001
From: ZapAnton <wc3ft2@gmail.com>
Date: Wed, 22 Aug 2018 12:11:54 +0300
Subject: [PATCH 3/3] ensure-lib-src-rs-exist: Updated script for consistent
 indenting

---
 _test/ensure-lib-src-rs-exist.sh | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/_test/ensure-lib-src-rs-exist.sh b/_test/ensure-lib-src-rs-exist.sh
index a73e565da..b938cb0ac 100755
--- a/_test/ensure-lib-src-rs-exist.sh
+++ b/_test/ensure-lib-src-rs-exist.sh
@@ -15,18 +15,19 @@ IGNORED_EXERCISES=(
 )
 
 for dir in $repo/exercises/*/; do
-  exercise=$(basename "$dir")
-  if [ ! -f "$dir/src/lib.rs" ]; then
-	# https://github.com/exercism/rust/pull/270
-	echo "$exercise is missing a src/lib.rs; please create one (an empty file is acceptable)"
-	missing="$missing\n$exercise"
+	exercise=$(basename "$dir")
+
+	if [ ! -f "$dir/src/lib.rs" ]; then
+		# https://github.com/exercism/rust/pull/270
+		echo "$exercise is missing a src/lib.rs; please create one (an empty file is acceptable)"
+		missing="$missing\n$exercise"
 	else
 		#Check if the stub file is empty
 		if [ ! -s "$dir/src/lib.rs" ] || [ "$(cat "$dir/src/lib.rs")" == "" ] && [[ " ${IGNORED_EXERCISES[*]} " != *"$exercise"* ]]; then
 			echo "$exercise has src/lib.rs stub file, but it is empty."
 			empty_stub="$empty_stub\n$exercise"
 		fi
-  fi
+	fi
 done
 
 if [ -n "$missing" ]; then