From 736091405f3257771e2bacd0528c3411d7b657b0 Mon Sep 17 00:00:00 2001
From: Taneli Hukkinen <3275109+hukkin@users.noreply.github.com>
Date: Thu, 15 Jul 2021 03:09:30 +0300
Subject: [PATCH 1/2] Fuzzer: Store persistent corpus seeded with benchmark
 data

---
 pyproject.toml | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 4747b52..da03725 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -125,8 +125,15 @@ commands =
 description = run the fuzzer against a local Tomli version (needs "apt install clang")
 deps =
     -r fuzzer/requirements.txt
+allowlist_externals =
+    mkdir
+    cp
 commands =
-    python fuzzer/fuzz.py {posargs}
+    # Create a folder for persistent corpus and use benchmark data as initial seed
+    mkdir -p {toxworkdir}/fuzzer-corpus
+    cp benchmark/data.toml {toxworkdir}/fuzzer-corpus/data.toml
+    # Run fuzzer
+    python fuzzer/fuzz.py {toxworkdir}/fuzzer-corpus {posargs:-len_control=10000}
 '''
 
 

From fa7e2d84dd20759a0e61963aebb260f10681807c Mon Sep 17 00:00:00 2001
From: Taneli Hukkinen <3275109+hukkin@users.noreply.github.com>
Date: Thu, 15 Jul 2021 09:30:41 +0300
Subject: [PATCH 2/2] Add -n to cp

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index da03725..b31fd22 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -131,7 +131,7 @@ allowlist_externals =
 commands =
     # Create a folder for persistent corpus and use benchmark data as initial seed
     mkdir -p {toxworkdir}/fuzzer-corpus
-    cp benchmark/data.toml {toxworkdir}/fuzzer-corpus/data.toml
+    cp -n benchmark/data.toml {toxworkdir}/fuzzer-corpus/data.toml
     # Run fuzzer
     python fuzzer/fuzz.py {toxworkdir}/fuzzer-corpus {posargs:-len_control=10000}
 '''