1 # Copyright 2013 ARM Limited 2 # All rights reserved. 3 # 4 # Redistribution and use in source and binary forms, with or without 5 # modification, are permitted provided that the following conditions are met: 6 # 7 # * Redistributions of source code must retain the above copyright notice, 8 # this list of conditions and the following disclaimer. 9 # * Redistributions in binary form must reproduce the above copyright notice, 10 # this list of conditions and the following disclaimer in the documentation 11 # and/or other materials provided with the distribution. 12 # * Neither the name of ARM Limited nor the names of its contributors may be 13 # used to endorse or promote products derived from this software without 14 # specific prior written permission. 15 # 16 # THIS SOFTWARE IS PROVIDED BY ARM LIMITED AND CONTRIBUTORS "AS IS" AND ANY 17 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 # DISCLAIMED. IN NO EVENT SHALL ARM LIMITED BE LIABLE FOR ANY DIRECT, INDIRECT, 20 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 22 # OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 23 # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 24 # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 25 # EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27 import re 28 import util 29 import os.path 30 31 def is_git_repository_root(): 32 return os.path.isdir('.git') 33 34 def get_current_branch(): 35 status, branches = util.getstatusoutput('git branch') 36 if status != 0: util.abort('Failed to run git branch.') 37 match = re.search("^\* (.*)$", branches, re.MULTILINE) 38 if not match: util.abort('Failed to find the current branch.') 39 40 branch = match.group(1); 41 42 # If we are not on a named branch, return the hash of the HEAD commit. 43 # This can occur (for example) if a specific revision is checked out by 44 # commit hash, or during a rebase. 45 if branch == '(no branch)': 46 status, commit = util.getstatusoutput('git log -1 --pretty=format:"%H"') 47 if status != 0: util.abort('Failed to run git log.') 48 match = re.search('^[0-9a-fA-F]{40}$', commit, re.MULTILINE) 49 if not match: util.abort('Failed to find the current revision.') 50 branch = match.group(0) 51 52 return branch 53 54 55 def get_tracked_files(): 56 command = 'git ls-tree ' 57 branch = get_current_branch() 58 options = ' -r --full-tree --name-only' 59 60 status, tracked = util.getstatusoutput(command + branch + options) 61 if status != 0: util.abort('Failed to list tracked files.') 62 63 return tracked 64 65 66 # Get untracked files in src/, test/, and tools/. 67 def get_untracked_files(): 68 status, output = util.getstatusoutput('git status -s') 69 if status != 0: util.abort('Failed to get git status.') 70 71 untracked_regexp = re.compile('\?\?.*(src/|test/|tools/).*(.cc$|.h$)') 72 files_in_watched_folder = lambda n: untracked_regexp.search(n) != None 73 untracked_files = filter(files_in_watched_folder, output.split('\n')) 74 75 return untracked_files 76
