Use abbrev instead of long for option name

Ben Wilhelm · Ben Wilhelm · commit 9571c2770639 · 2020-11-13T16:18:45.000-06:00
is an existing option for git describe, and it would be confusing to use it here
for a different option
diff --git a/action.yml b/action.yml
@@ -17,10 +17,10 @@ inputs:
     description: 'Skip the unshallow operation: "true" or "false"'
     required: false
     default: "false"
-  long:
-    description: "Return long format tag: <tagName>-<revisionsSinceTag>-<currentCommit>"
+  abbrev:
+    description: "value to pass to the --abbrev flag. false to disable, default 0"
     required: false
-    default: "false"
+    default: 0
 
 outputs:
   tag:
diff --git a/main.js b/main.js
@@ -18,13 +18,13 @@ try {
   const include = getInput("include");
   const exclude = getInput("exclude");
   const commitIsh = getInput("commit-ish");
-  const long = getInput("long") === "true";
+  const abbrev = getInput("abbrev");
   const skipUnshallow = getInput("skip-unshallow") === "true";
 
   var includeOption = "";
   var excludeOption = "";
   var commitIshOption = "";
-  var abbrevOption = long ? "" : "--abbrev=0";
+  var abbrevOption = "";
 
   if (typeof include === "string" && include.length > 0) {
     includeOption = `--match '${include}'`;
@@ -43,6 +43,10 @@ try {
     commitIshOption = `'${commitIsh}'`;
   }
 
+  if (abbrev !== false) {
+    abbrevOption = `--abbrev=${abbrev}`;
+  }
+
   var unshallowCmd = skipUnshallow ? "" : "git fetch --prune --unshallow &&";
 
   // actions@checkout performs a shallow checkout. Need to unshallow for full tags access.
