filter-repo: rename FileChanges to FileChange

This class only represents one FileChange, so fix the misnomer and make
it clearer to others the purpose of this object.

Signed-off-by: Elijah Newren <newren@gmail.com>

git-filter-repo

@@ -45,7 +45,7 @@ import textwrap
 
 from datetime import tzinfo, timedelta, datetime
 
-__all__ = ["Blob", "Reset", "FileChanges", "Commit", "Tag", "Progress",
+__all__ = ["Blob", "Reset", "FileChange", "Commit", "Tag", "Progress",
            "Checkpoint", "FastExportFilter", "ProgressWriter",
            "string_to_date", "date_to_string",
            "record_id_rename", "GitUtils", "FilteringOptions", "RepoFilter"]
@@ -537,7 +537,7 @@ class Reset(_GitElement):
       file_.write(b'from :%d\n' % self.from_ref)
       file_.write(b'\n')
 
-class FileChanges(_GitElement):
+class FileChange(_GitElement):
   """
   This class defines our representation of file change elements. File change
   elements are components within a Commit element.
@@ -1016,7 +1016,7 @@ class FastExportFilter(object):
       if idnum is not None:
         if path.startswith(b'"'):
           path = PathQuoting.dequote(path)
-        filechange = FileChanges(b'M', path, idnum, mode)
+        filechange = FileChange(b'M', path, idnum, mode)
       else:
         filechange = b'skipped'
       self._advance_currentline()
@@ -1025,7 +1025,7 @@ class FastExportFilter(object):
       path = path.rstrip(b'\n')
       if path.startswith(b'"'):
         path = PathQuoting.dequote(path)
-      filechange = FileChanges(b'D', path)
+      filechange = FileChange(b'D', path)
       self._advance_currentline()
     elif changetype == b'R':  # pragma: no cover (now avoid fast-export renames)
       rest = self._currentline[2:-1]
@@ -1039,7 +1039,7 @@ class FastExportFilter(object):
         orig, new = rest.split(b' ', 1)
       if new.startswith(b'"'):
         new = PathQuoting.dequote(new)
-      filechange = FileChanges(b'R', orig, new)
+      filechange = FileChange(b'R', orig, new)
       self._advance_currentline()
     return filechange
 
@@ -2970,7 +2970,7 @@ class RepoFilter(object):
       # NEEDSWORK: _If_ we ever want to pass `--full-tree` to fast-export and
       # parse that output, we'll need to modify this block; `--full-tree`
       # issues a deleteall directive which has no filename, and thus this
-      # block would normally strip it.  Of course, FileChanges() and
+      # block would normally strip it.  Of course, FileChange() and
       # _parse_optional_filechange() would need updates too.
       if change.filename in self._newnames:
         change.filename = self._newnames[change.filename]

t/t9391/create_fast_export_output.py

@@ -12,7 +12,7 @@ not try to handle any such special cases.
 """
 
 import git_filter_repo as fr
-from git_filter_repo import Blob, Reset, FileChanges, Commit, Tag, FixedTimeZone
+from git_filter_repo import Blob, Reset, FileChange, Commit, Tag, FixedTimeZone
 from git_filter_repo import Progress, Checkpoint
 
 from datetime import datetime, timedelta
@@ -32,8 +32,8 @@ bar.dump(output)
 master = Reset(b"refs/heads/master")
 master.dump(output)
 
-changes = [FileChanges(b'M', b'world', world.id, mode=b"100644"),
-           FileChanges(b'M', b'bar',   bar.id,   mode=b"100644")]
+changes = [FileChange(b'M', b'world', world.id, mode=b"100644"),
+           FileChange(b'M', b'bar',   bar.id,   mode=b"100644")]
 when = datetime(year=2005, month=4, day=7,
                 hour=15, minute=16, second=10,
                 tzinfo=FixedTimeZone(b"-0700"))
@@ -51,8 +51,8 @@ world.dump(output)
 world_link = Blob(b"world")
 world_link.dump(output)
 
-changes = [FileChanges(b'M', b'world',  world.id,      mode=b"100644"),
-           FileChanges(b'M', b'planet', world_link.id, mode=b"120000")]
+changes = [FileChange(b'M', b'world',  world.id,      mode=b"100644"),
+           FileChange(b'M', b'planet', world_link.id, mode=b"120000")]
 when += timedelta(days=3, hours=4, minutes=6)
 when_string = fr.date_to_string(when)
 commit2 = Commit(b"refs/heads/master",
@@ -65,8 +65,8 @@ commit2.dump(output)
 
 script = Blob(b"#!/bin/sh\n\necho Hello")
 script.dump(output)
-changes = [FileChanges(b'M', b'runme', script.id, mode=b"100755"),
-           FileChanges(b'D', b'bar')]
+changes = [FileChange(b'M', b'runme', script.id, mode=b"100755"),
+           FileChange(b'D', b'bar')]
 when_string = b"1234567890 -0700"
 commit3 = Commit(b"refs/heads/master",
                  b"A U Thor", b"au@thor.email", when_string,
@@ -87,7 +87,7 @@ devel.dump(output)
 world = Blob(b"Hello\nGoodbye")
 world.dump(output)
 
-changes = [FileChanges(b'M', b'world', world.id, mode=b"100644")]
+changes = [FileChange(b'M', b'world', world.id, mode=b"100644")]
 when = datetime(2006, 8, 17, tzinfo=FixedTimeZone(b"+0200"))
 when_string = fr.date_to_string(when)
 commit4 = Commit(b"refs/heads/devel",
@@ -106,10 +106,10 @@ when_string = fr.date_to_string(when)
 # to the first parent.  Thus, despite the fact that runme and planet have
 # not changed and bar was not modified in the devel side, we have to list them
 # all anyway.
-changes = [FileChanges(b'M', b'world', world.id, mode=b"100644"),
-           FileChanges(b'D', b'bar'),
-           FileChanges(b'M', b'runme', script.id, mode=b"100755"),
-           FileChanges(b'M', b'planet', world_link.id, mode=b"120000")]
+changes = [FileChange(b'M', b'world', world.id, mode=b"100644"),
+           FileChange(b'D', b'bar'),
+           FileChange(b'M', b'runme', script.id, mode=b"100755"),
+           FileChange(b'M', b'planet', world_link.id, mode=b"120000")]
 
 commit5 = Commit(b"refs/heads/devel",
                  b"A U Thor", b"au@thor.email", when_string,