patman: Allow creating patches for another branch
Add a -b option to allow patches to be created from a branch other than
the current one.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/patman/gitutil.py b/tools/patman/gitutil.py
index 29444bf..b683481 100644
--- a/tools/patman/gitutil.py
+++ b/tools/patman/gitutil.py
@@ -49,17 +49,24 @@
cmd.append('--')
return cmd
-def CountCommitsToBranch():
+def CountCommitsToBranch(branch):
"""Returns number of commits between HEAD and the tracking branch.
This looks back to the tracking branch and works out the number of commits
since then.
+ Args:
+ branch: Branch to count from (None for current branch)
+
Return:
Number of patches that exist on top of the branch
"""
- pipe = [LogCmd('@{upstream}..', oneline=True),
- ['wc', '-l']]
+ if branch:
+ us, msg = GetUpstream('.git', branch)
+ rev_range = '%s..%s' % (us, branch)
+ else:
+ rev_range = '@{upstream}..'
+ pipe = [LogCmd(rev_range, oneline=True), ['wc', '-l']]
stdout = command.RunPipe(pipe, capture=True, oneline=True).stdout
patch_count = int(stdout)
return patch_count
@@ -252,13 +259,14 @@
if result.return_code != 0:
raise OSError('git fetch: %s' % result.stderr)
-def CreatePatches(start, count, ignore_binary, series):
+def CreatePatches(branch, start, count, ignore_binary, series):
"""Create a series of patches from the top of the current branch.
The patch files are written to the current directory using
git format-patch.
Args:
+ branch: Branch to create patches from (None for current branch)
start: Commit to start from: 0=HEAD, 1=next one, etc.
count: number of commits to include
ignore_binary: Don't generate patches for binary files
@@ -277,7 +285,8 @@
prefix = series.GetPatchPrefix()
if prefix:
cmd += ['--subject-prefix=%s' % prefix]
- cmd += ['HEAD~%d..HEAD~%d' % (start + count, start)]
+ brname = branch or 'HEAD'
+ cmd += ['%s~%d..%s~%d' % (brname, start + count, brname, start)]
stdout = command.RunList(cmd)
files = stdout.splitlines()