Makefile: Improve compiler header dependency check

[git.git] / git-svn.perl

diff --git a/git-svn.perl b/git-svn.perl
index 1f1aa5710988b179b3c92af1e11dc7ff72021062..89f83fd27abe315804173a809b3c7ef00ead6527 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -3124,8 +3124,12 @@ sub lookup_svn_merge {
                        next;
                }
 
-               push @merged_commit_ranges,
-                       "$bottom_commit^..$top_commit";
+               if (scalar(command('rev-parse', "$bottom_commit^@"))) {
+                       push @merged_commit_ranges,
+                            "$bottom_commit^..$top_commit";
+               } else {
+                       push @merged_commit_ranges, "$top_commit";
+               }
 
                if ( !defined $tip or $top > $tip ) {
                        $tip = $top;