From 280afc8c0f680603b57e2a597a72cd087b2a3c48 Mon Sep 17 00:00:00 2001
From: Evgeny Vereshchagin <evvers@ya.ru>
Date: Fri, 4 Jun 2021 14:58:53 +0000
Subject: [PATCH] Allow passing "-vv" to `cargo fuzz`

It should help to figure out how libFuzzer is built and linked
against, which in turn should be useful in scenarios like
https://github.com/google/oss-fuzz/pull/5867#issuecomment-852870976
---
 src/options.rs | 10 +++++-----
 src/project.rs |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/options.rs b/src/options.rs
index c56a521..72916ef 100644
--- a/src/options.rs
+++ b/src/options.rs
@@ -72,8 +72,8 @@ pub struct BuildOptions {
     pub debug_assertions: bool,
 
     /// Build target with verbose output from `cargo build`
-    #[structopt(short = "v", long = "verbose")]
-    pub verbose: bool,
+    #[structopt(short = "v", long = "verbose", parse(from_occurrences))]
+    pub verbose: i32,
 
     #[structopt(long = "no-default-features")]
     /// Build artifacts with default Cargo features disabled
@@ -144,7 +144,7 @@ impl stdfmt::Display for BuildOptions {
             write!(f, " -a")?;
         }
 
-        if self.verbose {
+        for _ in 0..self.verbose {
             write!(f, " -v")?;
         }
 
@@ -213,7 +213,7 @@ mod test {
             dev: false,
             release: false,
             debug_assertions: false,
-            verbose: false,
+            verbose: 0,
             no_default_features: false,
             all_features: false,
             features: None,
@@ -240,7 +240,7 @@ mod test {
                 ..default_opts.clone()
             },
             BuildOptions {
-                verbose: true,
+                verbose: 1,
                 ..default_opts.clone()
             },
             BuildOptions {
diff --git a/src/project.rs b/src/project.rs
index f0c1594..35e2070 100644
--- a/src/project.rs
+++ b/src/project.rs
@@ -140,7 +140,7 @@ impl FuzzProject {
         if !build.dev {
             cmd.arg("--release");
         }
-        if build.verbose {
+        for _ in 0..build.verbose {
             cmd.arg("--verbose");
         }
         if build.no_default_features {