Set default verbosity level to 1

This means warnings always show warnings, which is the right thing to do
considering the 2 warnings we show are actually for important
information.

README.md

@@ -49,7 +49,7 @@ looks like `tini: invalid option -- 'c'`, then you *need* to add the `--`.
 
 Arguments Tini itself are passed like so: `/tini -v -- /your/program`.
 The only supported argument at this time is `-v`, for extra verbosity (you can
-pass it up to 4 times, e.g. `-vvvv`).
+pass it up to 3 times, e.g. `-vvv`).
 
 *NOTE: The binary linked above is a 64-bit dynamically-linked binary.*
 
@@ -103,12 +103,11 @@ Debugging
 ---------
 
 If something isn't working just like you expect, consider increasing the
-verbosity level (up to 4):
+verbosity level (up to 3):
 
     tini -v    -- bash -c 'exit 1'
     tini -vv   -- true
     tini -vvv  -- pwd
-    tini -vvvv -- ls
 
 
   [10]: https://github.com/krallin/tini-images

ci/run_build.sh

@@ -39,10 +39,10 @@ popd
 # Smoke tests (actual tests need Docker to run; they don't run within the CI environment)
 for tini in "${BUILD_DIR}/tini" "${BUILD_DIR}/tini-static"; do
   echo "Testing $tini with: true"
-  $tini -vvvv true
+  $tini -vvv true
 
   echo "Testing $tini with: false"
-  if $tini -vvvv false; then
+  if $tini -vvv false; then
     exit 1
   fi
 

src/tini.c

@@ -37,7 +37,7 @@
 #if HAS_SUBREAPER
 static int subreaper = 0;
 #endif
-static int verbosity = 0;
+static int verbosity = 1;
 static struct timespec ts = { .tv_sec = 1, .tv_nsec = 0 };
 
 
@@ -74,7 +74,7 @@ void print_usage(char* const name, FILE* const file) {
 #if HAS_SUBREAPER
 	fprintf(file, "  -s: Register as a process subreaper (requires Linux >= 3.4).\n");
 #endif
-	fprintf(file, "  -v: Generate more verbose output. Repeat up to 4 times.\n");
+	fprintf(file, "  -v: Generate more verbose output. Repeat up to 3 times.\n");
 	fprintf(file, "\n");
 }
 

test/run_outer_tests.py

@@ -77,7 +77,7 @@ if __name__ == "__main__":
         functional_base_cmd = base_cmd + [
             "--entrypoint={0}".format(entrypoint),
             img,
-            "-vvvv",
+            "-vvv",
         ]
 
         # Reaping test

tpl/README.md.in

@@ -49,7 +49,7 @@ looks like `tini: invalid option -- 'c'`, then you *need* to add the `--`.
 
 Arguments Tini itself are passed like so: `/tini -v -- /your/program`.
 The only supported argument at this time is `-v`, for extra verbosity (you can
-pass it up to 4 times, e.g. `-vvvv`).
+pass it up to 3 times, e.g. `-vvv`).
 
 *NOTE: The binary linked above is a 64-bit dynamically-linked binary.*
 
@@ -103,12 +103,11 @@ Debugging
 ---------
 
 If something isn't working just like you expect, consider increasing the
-verbosity level (up to 4):
+verbosity level (up to 3):
 
     tini -v    -- bash -c 'exit 1'
     tini -vv   -- true
     tini -vvv  -- pwd
-    tini -vvvv -- ls
 
 
   [10]: https://github.com/krallin/tini-images