Move Repository->hash_by_path to Commit->sha_by_path.

[catagits/Gitalist.git] / lib / Gitalist / Git / Object / Commit.pm

diff --git a/lib/Gitalist/Git/Object/Commit.pm b/lib/Gitalist/Git/Object/Commit.pm
index dde3220..5d3cdd3 100644 (file)
--- a/lib/Gitalist/Git/Object/Commit.pm
+++ b/lib/Gitalist/Git/Object/Commit.pm
@@ -23,6 +23,19 @@ class Gitalist::Git::Object::Commit
                                       ],
                          );
 
+        method sha_by_path ($path) {
+            $path =~ s{/+$}();
+            # FIXME should this really just take the first result?
+            my @paths = $self->repository->run_cmd('ls-tree', $self->sha1, '--', $path)
+                or return;
+            my $line = $paths[0];
+
+            #'100644 blob 0fa3f3a66fb6a137f6ec2c19351ed4d807070ffa     panic.c'
+            $line =~ m/^([0-9]+) (.+) ($SHA1RE)\t/;
+            my $sha1 = $3;
+            return $sha1;
+    }
+
         method get_patch ( Maybe[NonEmptySimpleStr] $parent_hash?,
                            Int $patch_count?) {
             # assembling the git command to execute...
@@ -233,6 +246,10 @@ Subclass of C<Gitalist::Git::Object>.
 
 =head1 METHODS
 
+=head2 sha_by_path ($path)
+
+Returns the tree/file sha1 for a given path in a commit.
+
 =head2 get_patch
 
 =head2 diff