user-manual: rename "git internals" to "git concepts"

diff --git a/git-svnimport.perl b/git-svnimport.perl
index b73d6494d80fe5ee19e1d95971e2e4e64e980dea..d3ad5b904f3d025aaf89aa5a7ef2e6464fd9b5b8 100755 (executable)
--- a/git-svnimport.perl
+++ b/git-svnimport.perl
@@ -49,7 +49,7 @@ END
 usage if $opt_h;
 
 my $tag_name = $opt_t || "tags";
-my $trunk_name = $opt_T || "trunk";
+my $trunk_name = defined $opt_T ? $opt_T : "trunk";
 my $branch_name = $opt_b || "branches";
 my $project_name = $opt_P || "";
 $project_name = "/" . $project_name if ($project_name);
@@ -873,7 +873,7 @@ sub commit {
 
                $dest =~ tr/_/\./ if $opt_u;
 
-               system('git-tag', $dest, $cid) == 0
+               system('git-tag', '-f', $dest, $cid) == 0
                        or die "Cannot create tag $dest: $!\n";
 
                print "Created tag '$dest' on '$branch'\n" if $opt_v;