Sort fuzz files when finding

Currently we don't sort the output of fuzz file names when finding them,
this can lead to different output from `generate-files.sh` on different
machines.

Set the locale first because it effects sort order then sort the output
of `find`.

.github/workflows/cron-daily-fuzz.yml

@@ -18,14 +18,14 @@ jobs:
         # We only get 20 jobs at a time, we probably don't want to go
         # over that limit with fuzzing because of the hour run time.
         fuzz_target: [
-roundtrip_semantic,
+compile_descriptor,
 parse_descriptor,
 parse_descriptor_secret,
+roundtrip_concrete,
+roundtrip_descriptor,
 roundtrip_miniscript_script,
 roundtrip_miniscript_str,
-roundtrip_descriptor,
-roundtrip_concrete,
-compile_descriptor,
+roundtrip_semantic,
         ]
     steps:
       - name: Install test dependencies

fuzz/Cargo.toml

@@ -16,8 +16,8 @@ miniscript = { path = "..", features = [ "compiler" ] }
 regex = "1.0"
 
 [[bin]]
-name = "roundtrip_semantic"
-path = "fuzz_targets/roundtrip_semantic.rs"
+name = "compile_descriptor"
+path = "fuzz_targets/compile_descriptor.rs"
 
 [[bin]]
 name = "parse_descriptor"
@@ -28,21 +28,21 @@ name = "parse_descriptor_secret"
 path = "fuzz_targets/parse_descriptor_secret.rs"
 
 [[bin]]
-name = "roundtrip_miniscript_script"
-path = "fuzz_targets/roundtrip_miniscript_script.rs"
-
-[[bin]]
-name = "roundtrip_miniscript_str"
-path = "fuzz_targets/roundtrip_miniscript_str.rs"
+name = "roundtrip_concrete"
+path = "fuzz_targets/roundtrip_concrete.rs"
 
 [[bin]]
 name = "roundtrip_descriptor"
 path = "fuzz_targets/roundtrip_descriptor.rs"
 
 [[bin]]
-name = "roundtrip_concrete"
-path = "fuzz_targets/roundtrip_concrete.rs"
+name = "roundtrip_miniscript_script"
+path = "fuzz_targets/roundtrip_miniscript_script.rs"
 
 [[bin]]
-name = "compile_descriptor"
-path = "fuzz_targets/compile_descriptor.rs"
+name = "roundtrip_miniscript_str"
+path = "fuzz_targets/roundtrip_miniscript_str.rs"
+
+[[bin]]
+name = "roundtrip_semantic"
+path = "fuzz_targets/roundtrip_semantic.rs"

fuzz/fuzz-util.sh

@@ -2,9 +2,13 @@
 
 REPO_DIR=$(git rev-parse --show-toplevel)
 
+# Sort order is effected by locale. See `man sort`.
+# > Set LC_ALL=C to get the traditional sort order that uses native byte values.
+export LC_ALL=C
+
 listTargetFiles() {
   pushd "$REPO_DIR/fuzz" > /dev/null || exit 1
-  find fuzz_targets/ -type f -name "*.rs"
+  find fuzz_targets/ -type f -name "*.rs" | sort
   popd > /dev/null || exit 1
 }