Prevent multiple enumerations

nulltoken · nulltoken · commit 6747421e975b · 2015-06-11T11:34:41.000+02:00
diff --git a/LibGit2Sharp/Repository.cs b/LibGit2Sharp/Repository.cs
@@ -1006,14 +1006,17 @@ public void CheckoutPaths(string committishOrBranchSpec, IEnumerable<string> pat
             Ensure.ArgumentNotNullOrEmptyString(committishOrBranchSpec, "committishOrBranchSpec");
             Ensure.ArgumentNotNull(paths, "paths");
 
+            var listOfPaths = paths.ToList();
+
             // If there are no paths, then there is nothing to do.
-            if (!paths.Any())
+            if (listOfPaths.Count == 0)
             {
                 return;
             }
 
             Commit commit = LookupCommit(committishOrBranchSpec);
-            CheckoutTree(commit.Tree, paths.ToList(), checkoutOptions ?? new CheckoutOptions());
+
+            CheckoutTree(commit.Tree, listOfPaths, checkoutOptions ?? new CheckoutOptions());
         }
 
         /// <summary>

Original file line number	Diff line number	Diff line change
`@@ -1006,14 +1006,17 @@ public void CheckoutPaths(string committishOrBranchSpec, IEnumerable<string> pat`
`1006`	`1006`	`Ensure.ArgumentNotNullOrEmptyString(committishOrBranchSpec, "committishOrBranchSpec");`
`1007`	`1007`	`Ensure.ArgumentNotNull(paths, "paths");`
`1008`	`1008`
	`1009`	`+ var listOfPaths = paths.ToList();`
	`1010`	`+`
`1009`	`1011`	`// If there are no paths, then there is nothing to do.`
`1010`		`- if (!paths.Any())`
	`1012`	`+ if (listOfPaths.Count == 0)`
`1011`	`1013`	`{`
`1012`	`1014`	`return;`
`1013`	`1015`	`}`
`1014`	`1016`
`1015`	`1017`	`Commit commit = LookupCommit(committishOrBranchSpec);`
`1016`		`- CheckoutTree(commit.Tree, paths.ToList(), checkoutOptions ?? new CheckoutOptions());`
	`1018`	`+`
	`1019`	`+ CheckoutTree(commit.Tree, listOfPaths, checkoutOptions ?? new CheckoutOptions());`
`1017`	`1020`	`}`
`1018`	`1021`
`1019`	`1022`	`/// <summary>`