From: "Luis R. Rodriguez" <mcg...@suse.com>
This will let us check and use git for both inference
of whether or not --use-gitgrep is needed later, and
also for SmPL patch equivalence proof support later.
Signed-off-by: Luis R. Rodriguez <mcg...@suse.com>
---
tools/pycocci | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 80 insertions(+)
diff --git a/tools/pycocci b/tools/pycocci
index 5a11e5c770c7..141f9783d09b 100755
--- a/tools/pycocci
+++ b/tools/pycocci
@@ -215,6 +215,86 @@ class Req:
def gcc(self, version):
return self.require_version('gcc', '--version', version, 3,
self.linux_version_cmp)
+class GitError(Exception):
+ pass
+class ExecutionGitError(GitError):
+ def __init__(self, errcode):
+ self.error_code = errcode
+
+def _check(process):
+ if process.returncode != 0:
+ raise ExecutionError(process.returncode)
+
+def git_init(tree=None):
+ process = subprocess.Popen(['git', 'init'],
+ stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
+ close_fds=True, universal_newlines=True,
cwd=tree)
+ stdout = process.communicate()[0]
+ process.wait()
+ _check(process)
+
+def git_rev_parse(tree=None, extra_args=None):
+ cmd = ['git', 'rev-parse' ] + extra_args
+ process = subprocess.Popen(cmd,
+ stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
+ close_fds=True, universal_newlines=True,
cwd=tree)
+ stdout = process.communicate()[0]
+ process.wait()
+ if process.returncode != 0:
+ return None
+ return stdout.split('\n', 1)[0]
+
+def gitname(path=None):
+ work_dir = path
+ if not os.path.isdir(path):
+ work_dir = os.path.dirname(path)
+ process = subprocess.Popen(['git', 'rev-parse', '--show-toplevel', path],
+ stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
+ close_fds=True, universal_newlines=True,
cwd=work_dir)
+ stdout = process.communicate()[0]
+ process.wait()
+ if process.returncode != 0:
+ return None
+ return stdout.split('\n', 1)[0]
+
+def git_add(path, tree=None):
+ process = subprocess.Popen(['git', 'add', '--ignore-removal', path],
+ stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
+ close_fds=True, universal_newlines=True,
cwd=tree)
+ stdout = process.communicate()[0]
+ process.wait()
+ _check(process)
+
+def git_checkout(tree=None, extra_args=None):
+ cmd = ['git', 'checkout' ] + extra_args
+ process = subprocess.Popen(cmd,
+ stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
+ close_fds=True, universal_newlines=True,
cwd=tree)
+ stdout = process.communicate()[0]
+ process.wait()
+ _check(process)
+
+def git_commit_all(message, tree=None):
+ git_add('.', tree=tree)
+ process = subprocess.Popen(['git', 'commit', '--allow-empty', '-a', '-m',
message],
+ stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
+ close_fds=True, universal_newlines=True,
cwd=tree)
+ stdout = process.communicate()[0]
+ process.wait()
+ _check(process)
+
+def git_diff(tree=None, extra_args=None):
+ cmd = ['git', 'diff', '--color=always'] + extra_args
+
+ process = subprocess.Popen(cmd,
+ stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
+ close_fds=True, universal_newlines=True,
cwd=tree)
+ stdout = process.communicate()[0]
+ process.wait()
+ _check(process)
+
+ return stdout
+
# simple tempdir wrapper object for 'with' statement
#
# Usage:
--
2.3.2.209.gd67f9d5.dirty
--
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