chore: unify exec option naming with prettier

Author: simschla

Diff for: README.md

@@ -196,12 +196,12 @@ output =
 -->
 
 ```
-Usage: spotless clang-format [-hV] [-p=<pathToExec>] [-s=<style>] [-v=<version>]
+Usage: spotless clang-format [-hV] [-c=<pathToExec>] [-s=<style>] [-v=<version>]
 Runs clang-format
-  -h, --help            Show this help message and exit.
-  -p, --path-to-exec=<pathToExec>
+  -c, --clang-format-exec=<pathToExec>
                         The path to the clang-format executable.
                         (default: looks on your PATH)
+  -h, --help            Show this help message and exit.
   -s, --style=<style>   The style to use for clang-format.
   -v, --clang-version=<version>
                         The version of clang-format to use.

Diff for: app/src/main/java/com/diffplug/spotless/cli/steps/ClangFormat.java

@@ -37,7 +37,7 @@ public class ClangFormat extends SpotlessFormatterStep {
     String version;
 
     @CommandLine.Option(
-            names = {"--path-to-exec", "-p"},
+            names = {"--clang-format-exec", "-c"},
             description = "The path to the clang-format executable." + OptionConstants.DEFAULT_VALUE_SUFFIX_BEGIN
                     + "looks on your PATH" + OptionConstants.DEFAULT_VALUE_SUFFIX_END)
     Path pathToExec;

Diff for: app/src/test/java/com/diffplug/spotless/cli/steps/ClangFormatTest.java

@@ -61,7 +61,7 @@ void itFormatsFileType(String testFileName, String resourceName) throws Exceptio
                 .withTargets(testFileName)
                 .withStep(ClangFormat.class)
                 .withOption("--clang-version", ClangFormatStep.defaultVersion())
-                .withOption("--path-to-exec", clangFormatExec.getAbsolutePath())
+                .withOption("--clang-format-exec", clangFormatExec.getAbsolutePath())
                 .run();
 
         assertFile(testFile).notSameSasResource(resourceName);
@@ -88,7 +88,7 @@ void itFormatsWithSpecificStyle() throws Exception {
                 .withStep(ClangFormat.class)
                 .withOption("--clang-version", ClangFormatStep.defaultVersion())
                 .withOption("--style", "Google")
-                .withOption("--path-to-exec", clangFormatExec.getAbsolutePath())
+                .withOption("--clang-format-exec", clangFormatExec.getAbsolutePath())
                 .run();
 
         assertFile(testFile).notSameSasResource("clang/example.java.dirty");