Fix mangling of relative paths

Previously, the whole path would be mangled, 
rather than just the relative name.

3 files changed, 25 insertions, 23 deletions

diff --git a/summain b/summain
index 026a2ae..a9e7ead 100755
--- a/summain
+++ b/summain
@@ -150,10 +150,8 @@ class Summain(cliapp.Application):
             for filename in self.files(root):
                 o = summainlib.FilesystemObject(filename, nn, pn, exclude)
                 if relative:
-                    name = self.relative_path(root, o)
-                else:
-                    name = o['Name']
-                yield name, o
+                    o.relative = self.relative_path(root, o)
+                yield o['Name'], o
 
     def relative_path(self, root, o):
         '''Return a path that is relative to root, if possible.
@@ -167,13 +165,12 @@ class Summain(cliapp.Application):
             root2 = root
         else:
             root2 = root + os.sep
-        pathname = o['Name']
-        if pathname.startswith(root2):
-            return pathname[len(root2):]
-        elif pathname == root and o.isdir():
+        if o.filename.startswith(root2):
+            return o.filename[len(root2):]
+        elif o.filename == root and o.isdir():
             return '.'
         else:
-            return pathname
+            return o.filename
 
     def new_formatter(self, checksums, objects):
         table = {
diff --git a/summainlib.py b/summainlib.py
index ae6dcb2..475a060 100644
--- a/summainlib.py
+++ b/summainlib.py
@@ -137,7 +137,8 @@ class FilesystemObject(object):
                  stat_result=None, sha1=None, sha224=None,
                  sha256=None, sha384=None, sha512=None,
                  md5=None, open_file=None, readlink=None):
-        self._filename = filename
+        self.filename = filename
+        self.relative = None
         self._exclude = set(self._normalize_key(k) for k in exclude)
         self._pn = pn
         self._nn = nn
@@ -153,7 +154,11 @@ class FilesystemObject(object):
         self.values = dict()
 
     def _compute_name(self):
-        return urllib.quote(self._pn.normalize(self._filename))
+        if self.relative is None:
+            name = self.filename
+        else:
+            name = self.relative # pragma: no cover
+        return urllib.quote(self._pn.normalize(name))
 
     def _compute_mtime(self):
         return self.format_time(self._stat_result[RESULT_MTIME_SEC],
@@ -188,26 +193,26 @@ class FilesystemObject(object):
         return self.lookup_group(self._stat_result[RESULT_GID])
 
     def _compute_md5(self):
-        return self.compute_checksum(self._filename, self._md5)
+        return self.compute_checksum(self.filename, self._md5)
 
     def _compute_sha1(self):
-        return self.compute_checksum(self._filename, self._sha1)
+        return self.compute_checksum(self.filename, self._sha1)
 
     def _compute_sha224(self):
-        return self.compute_checksum(self._filename, self._sha224)
+        return self.compute_checksum(self.filename, self._sha224)
 
     def _compute_sha256(self):
-        return self.compute_checksum(self._filename, self._sha256)
+        return self.compute_checksum(self.filename, self._sha256)
 
     def _compute_sha384(self):
-        return self.compute_checksum(self._filename, self._sha384)
+        return self.compute_checksum(self.filename, self._sha384)
 
     def _compute_sha512(self):
-        return self.compute_checksum(self._filename, self._sha512)
+        return self.compute_checksum(self.filename, self._sha512)
 
     def _compute_target(self):
         if stat.S_ISLNK(self._stat_result[RESULT_MODE]):
-            return self.readlink(self._filename)
+            return self.readlink(self.filename)
 
     def format_time(self, secs, nsecs):
         s = time.strftime('%Y-%m-%d %H:%M:%S', time.gmtime(secs))
diff --git a/tests/manglepaths.stdout b/tests/manglepaths.stdout
index 703b780..cbeb1f2 100644
--- a/tests/manglepaths.stdout
+++ b/tests/manglepaths.stdout
@@ -1,10 +1,10 @@
-Name: ea4435b9ac411c20b01a0ba224092e1c
+Name: a59d6cc610302892d2f5d06dfd4e8b5f
 Mode: 40700
 Ino: 1
 Dev: 1
 Nlink: 2
 
-Name: 33997cd210f8004f9cf702a06b668957
+Name: 5157341f60990e87222257ef4f6dae74
 Mode: 100666
 Ino: 2
 Dev: 1
@@ -12,7 +12,7 @@ Nlink: 1
 Size: 4
 SHA1: e242ed3bffccdf271b7fbaf34ed72d089537b42f
 
-Name: 96190c379ef3530f4d9d8bb4a1a0c71d
+Name: 4acb10ca3965a14a080297db0921950c
 Mode: 100666
 Ino: 3
 Dev: 1
@@ -20,7 +20,7 @@ Nlink: 1
 Size: 4
 SHA1: f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
 
-Name: b87060f4ff8c3d12cdf0ef8f5cf83e96
+Name: 425980b11f70991f4249a68c754357d4
 Mode: 100666
 Ino: 4
 Dev: 1
@@ -28,7 +28,7 @@ Nlink: 1
 Size: 7
 SHA1: 988881adc9fc3655077dc2d4d757d480b5ea0e11
 
-Name: 5a2c785fc7c149c0a3dea4fd625dfccb
+Name: 5d0878e8255c3ae21cf006ee7b282ef2
 Mode: 100666
 Ino: 5
 Dev: 1