diff options
| -rwxr-xr-x | git-merge-recursive.py | 68 |
1 files changed, 33 insertions, 35 deletions
diff --git a/git-merge-recursive.py b/git-merge-recursive.py index 27b84867b0..145a5cf0d1 100755 --- a/git-merge-recursive.py +++ b/git-merge-recursive.py @@ -7,8 +7,6 @@ from sets import Set sys.path.append('@@GIT_PYTHON_PATH@@') from gitMergeCommon import * -alwaysWriteTree = False - # The actual merge code # --------------------- @@ -46,19 +44,14 @@ def merge(h1, h2, branch1Name, branch2Name, graph, callDepth=0): runProgram(['git-update-cache', '-q', '--refresh']) # Use the original index if we only have one common ancestor - updateWd = True - if alwaysWriteTree: - cleanCache = True - else: - cleanCache = False + cleanCache = False else: runProgram(['git-read-tree', h1.tree()]) - updateWd = False cleanCache = True [shaRes, clean] = mergeTrees(h1.tree(), h2.tree(), Ms.tree(), branch1Name, branch2Name, - cleanCache, updateWd) + cleanCache) if clean or cleanCache: res = Commit(None, [h1, h2], tree=shaRes) @@ -125,7 +118,7 @@ def unmergedCacheEntries(): return res def mergeTrees(head, merge, common, branch1Name, branch2Name, - cleanCache, updateWd): + cleanCache): '''Merge the trees 'head' and 'merge' with the common ancestor 'common'. The name of the head branch is 'branch1Name' and the name of the merge branch is 'branch2Name'. Return a tuple (tree, cleanMerge) @@ -138,10 +131,11 @@ def mergeTrees(head, merge, common, branch1Name, branch2Name, print 'Already uptodate!' return [head, True] - if updateWd: - updateArg = '-u' - else: + if cleanCache: updateArg = '-i' + else: + updateArg = '-u' + runProgram(['git-read-tree', updateArg, '-m', common, head, merge]) cleanMerge = True @@ -157,7 +151,7 @@ def mergeTrees(head, merge, common, branch1Name, branch2Name, entries = unmergedCacheEntries() for name in entries: if not processEntry(entries[name], branch1Name, branch2Name, - files, dirs, cleanCache, updateWd): + files, dirs, cleanCache): cleanMerge = False if cleanMerge or cleanCache: @@ -169,29 +163,25 @@ def mergeTrees(head, merge, common, branch1Name, branch2Name, return [tree, cleanMerge] -def processEntry(entry, branch1Name, branch2Name, files, dirs, - cleanCache, updateWd): +def processEntry(entry, branch1Name, branch2Name, files, dirs, cleanCache): '''Merge one cache entry. 'files' is a Set with the files in both of the heads that we are going to merge. 'dirs' contains the corresponding data for directories. If 'cleanCache' is True no non-zero stages will be left in the cache for the path corresponding to the entry 'entry'.''' -# cleanCache == True => Don't leave any non-stage 0 entries in the cache. -# False => Leave unmerged entries - -# updateWd == True => Update the working directory to correspond to the cache -# False => Leave the working directory unchanged +# cleanCache == True => Don't leave any non-stage 0 entries in the cache and +# don't update the working directory +# False => Leave unmerged entries and update the working directory # clean == True => non-conflict case # False => conflict case # If cleanCache == False then the cache shouldn't be updated if clean == False - def updateFile(clean, sha, mode, path): - if cleanCache or (not cleanCache and clean): - runProgram(['git-update-cache', '--add', '--cacheinfo', - '0%o' % mode, sha, path]) + def updateFile(clean, sha, mode, path, onlyWd=False): + updateCache = not onlyWd and (cleanCache or (not cleanCache and clean)) + updateWd = onlyWd or (not cleanCache and clean) if updateWd: prog = ['git-cat-file', 'blob', sha] @@ -213,13 +203,18 @@ def processEntry(entry, branch1Name, branch2Name, files, dirs, os.symlink(linkTarget, path) else: assert(False) - runProgram(['git-update-cache', '--', path]) + + if updateWd and updateCache: + runProgram(['git-update-cache', '--add', '--', path]) + elif updateCache: + runProgram(['git-update-cache', '--add', '--cacheinfo', + '0%o' % mode, sha, path]) def removeFile(clean, path): if cleanCache or (not cleanCache and clean): runProgram(['git-update-cache', '--force-remove', '--', path]) - if updateWd: + if not cleanCache and clean: try: os.unlink(path) except OSError, e: @@ -235,8 +230,7 @@ def processEntry(entry, branch1Name, branch2Name, files, dirs, files.add(newPath) return newPath - debug('processing', entry.path, 'clean cache:', cleanCache, - 'wd:', updateWd) + debug('processing', entry.path, 'clean cache:', cleanCache) cleanMerge = True @@ -327,9 +321,9 @@ def processEntry(entry, branch1Name, branch2Name, files, dirs, if aMode != bMode: cleanMerge = False print 'CONFLICT: File "' + path + \ - '" added identically in both branches,' - print 'CONFLICT: but permissions conflict', '0%o' % aMode, \ - '->', '0%o' % bMode + '" added identically in both branches,', \ + 'but permissions conflict', '0%o' % aMode, '->', \ + '0%o' % bMode print 'CONFLICT: adding with permission:', '0%o' % aMode updateFile(False, aSha, aMode, path) @@ -341,8 +335,7 @@ def processEntry(entry, branch1Name, branch2Name, files, dirs, newPath1 = uniquePath(path, branch1Name) newPath2 = uniquePath(path, branch2Name) print 'CONFLICT (add/add): File "' + path + \ - '" added non-identically in both branches.', \ - 'Adding "' + newPath1 + '" and "' + newPath2 + '" instead.' + '" added non-identically in both branches.' removeFile(False, path) updateFile(False, aSha, aMode, newPath1) updateFile(False, bSha, bMode, newPath2) @@ -372,7 +365,12 @@ def processEntry(entry, branch1Name, branch2Name, files, dirs, if ret != 0: cleanMerge = False print 'CONFLICT (content): Merge conflict in "' + path + '".' - updateFile(False, sha, mode, path) + + if cleanCache: + updateFile(False, sha, mode, path) + else: + updateFile(True, aSha, aMode, path) + updateFile(False, sha, mode, path, True) else: updateFile(True, sha, mode, path) |