diffstat: make --git work properly on renames (issue6025)
`$ hg diff --stat --git` shows only the new filename on renames.
I added the old filename also to the output to make it identical
with the output of `$ git diff --stat`.
Differential Revision: https://phab.mercurial-scm.org/D5628
--- a/mercurial/patch.py Fri Jan 25 09:50:23 2019 -0800
+++ b/mercurial/patch.py Thu Jan 17 18:05:54 2019 +0530
@@ -2805,6 +2805,10 @@
elif (line.startswith('GIT binary patch') or
line.startswith('Binary file')):
isbinary = True
+ elif line.startswith('rename from'):
+ filename = line.split()[-1]
+ elif line.startswith('rename to'):
+ filename += ' => %s' % line.split()[-1]
addresult()
return results
--- a/tests/test-diffstat.t Fri Jan 25 09:50:23 2019 -0800
+++ b/tests/test-diffstat.t Thu Jan 17 18:05:54 2019 +0530
@@ -236,3 +236,22 @@
$ hg diff --root . --stat
file | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
+
+When a file is renamed, --git shouldn't loss the info about old file
+ $ hg init issue6025
+ $ cd issue6025
+ $ echo > a
+ $ hg ci -Am 'add a'
+ adding a
+ $ hg mv a b
+ $ hg diff --git
+ diff --git a/a b/b
+ rename from a
+ rename to b
+ $ hg diff --stat
+ a | 1 -
+ b | 1 +
+ 2 files changed, 1 insertions(+), 1 deletions(-)
+ $ hg diff --stat --git
+ a => b | 0
+ 1 files changed, 0 insertions(+), 0 deletions(-)