diff options
| -rwxr-xr-x | contrib/fast-import/git-p4 | 48 | ||||
| -rwxr-xr-x | t/t9801-git-p4-branch.sh | 94 |
2 files changed, 133 insertions, 9 deletions
diff --git a/contrib/fast-import/git-p4 b/contrib/fast-import/git-p4 index 27e06c1e9b..a78d9c5493 100755 --- a/contrib/fast-import/git-p4 +++ b/contrib/fast-import/git-p4 @@ -1430,6 +1430,8 @@ class P4Sync(Command, P4UserMap): self.cloneExclude = [] self.useClientSpec = False self.clientSpecDirs = None + self.tempBranches = [] + self.tempBranchLocation = "git-p4-tmp" if gitConfig("git-p4.syncFromOrigin") == "false": self.syncWithOrigin = False @@ -1451,6 +1453,14 @@ class P4Sync(Command, P4UserMap): .replace("%25", "%") return path + # Force a checkpoint in fast-import and wait for it to finish + def checkpoint(self): + self.gitStream.write("checkpoint\n\n") + self.gitStream.write("progress checkpoint\n\n") + out = self.gitOutput.readline() + if self.verbose: + print "checkpoint finished: " + out + def extractFilesFromCommit(self, commit): self.cloneExclude = [re.sub(r"\.\.\.$", "", path) for path in self.cloneExclude] @@ -1958,10 +1968,24 @@ class P4Sync(Command, P4UserMap): self.importChanges(changes) return True + def searchParent(self, parent, branch, target): + parentFound = False + for blob in read_pipe_lines(["git", "rev-list", "--reverse", "--no-merges", parent]): + blob = blob.strip() + if len(read_pipe(["git", "diff-tree", blob, target])) == 0: + parentFound = True + if self.verbose: + print "Found parent of %s in commit %s" % (branch, blob) + break + if parentFound: + return blob + else: + return None + def importChanges(self, changes): cnt = 1 for change in changes: - description = p4Cmd("describe %s" % change) + description = p4Cmd(["describe", str(change)]) self.updateOptionDict(description) if not self.silent: @@ -2014,7 +2038,21 @@ class P4Sync(Command, P4UserMap): parent = self.initialParents[branch] del self.initialParents[branch] - self.commit(description, filesForCommit, branch, [branchPrefix], parent) + blob = None + if len(parent) > 0: + tempBranch = os.path.join(self.tempBranchLocation, "%d" % (change)) + if self.verbose: + print "Creating temporary branch: " + tempBranch + self.commit(description, filesForCommit, tempBranch, [branchPrefix]) + self.tempBranches.append(tempBranch) + self.checkpoint() + blob = self.searchParent(parent, branch, tempBranch) + if blob: + self.commit(description, filesForCommit, branch, [branchPrefix], blob) + else: + if self.verbose: + print "Parent of %s not found. Committing into head of %s" % (branch, parent) + self.commit(description, filesForCommit, branch, [branchPrefix], parent) else: files = self.extractFilesFromCommit(description) self.commit(description, files, self.branch, self.depotPaths, @@ -2349,6 +2387,12 @@ class P4Sync(Command, P4UserMap): self.gitOutput.close() self.gitError.close() + # Cleanup temporary branches created during import + if self.tempBranches != []: + for branch in self.tempBranches: + read_pipe("git update-ref -d %s" % branch) + os.rmdir(os.path.join(os.environ.get("GIT_DIR", ".git"), self.tempBranchLocation)) + return True class P4Rebase(Command): diff --git a/t/t9801-git-p4-branch.sh b/t/t9801-git-p4-branch.sh index a25f18d36a..d414705416 100755 --- a/t/t9801-git-p4-branch.sh +++ b/t/t9801-git-p4-branch.sh @@ -172,9 +172,9 @@ test_expect_success 'add simple p4 branches' ' echo file1 >file1 && echo file2 >file2 && p4 add file1 file2 && - p4 submit -d "branch1" && + p4 submit -d "Create branch1" && p4 integrate //depot/branch1/... //depot/branch2/... && - p4 submit -d "branch2" && + p4 submit -d "Integrate branch2 from branch1" && echo file3 >file3 && p4 add file3 && p4 submit -d "add file3 in branch1" && @@ -182,7 +182,7 @@ test_expect_success 'add simple p4 branches' ' echo update >>file2 && p4 submit -d "update file2 in branch1" && p4 integrate //depot/branch1/... //depot/branch3/... && - p4 submit -d "branch3" + p4 submit -d "Integrate branch3 from branch1" ) ' @@ -203,17 +203,17 @@ test_expect_success 'git-p4 clone simple branches' ' test -f file1 && test -f file2 && test -f file3 && - grep -q update file2 && + grep update file2 && git reset --hard p4/depot/branch2 && test -f file1 && test -f file2 && test ! -f file3 && - test_must_fail grep -q update file2 && + ! grep update file2 && git reset --hard p4/depot/branch3 && test -f file1 && test -f file2 && test -f file3 && - grep -q update file2 && + grep update file2 && cd "$cli" && cd branch1 && p4 edit file2 && @@ -222,7 +222,87 @@ test_expect_success 'git-p4 clone simple branches' ' cd "$git" && git reset --hard p4/depot/branch1 && "$GITP4" rebase && - grep -q file2_ file2 + grep file2_ file2 + ) +' + +# Create a complex branch structure in P4 depot to check if they are correctly +# cloned. The branches are created from older changelists to check if git-p4 is +# able to correctly detect them. +# The final expected structure is: +# `branch1 +# | `- file1 +# | `- file2 (updated) +# | `- file3 +# `branch2 +# | `- file1 +# | `- file2 +# `branch3 +# | `- file1 +# | `- file2 (updated) +# | `- file3 +# `branch4 +# | `- file1 +# | `- file2 +# `branch5 +# `- file1 +# `- file2 +# `- file3 +test_expect_success 'git-p4 add complex branches' ' + test_when_finished cleanup_git && + test_create_repo "$git" && + ( + cd "$cli" && + changelist=$(p4 changes -m1 //depot/... | cut -d" " -f2) && + changelist=$(($changelist - 5)) && + p4 integrate //depot/branch1/...@$changelist //depot/branch4/... && + p4 submit -d "Integrate branch4 from branch1@${changelist}" && + changelist=$(($changelist + 2)) && + p4 integrate //depot/branch1/...@$changelist //depot/branch5/... && + p4 submit -d "Integrate branch5 from branch1@${changelist}" + ) +' + +# Configure branches through git-config and clone them. git-p4 will only be able +# to clone the original structure if it is able to detect the origin changelist +# of each branch. +test_expect_success 'git-p4 clone complex branches' ' + test_when_finished cleanup_git && + test_create_repo "$git" && + ( + cd "$git" && + git config git-p4.branchList branch1:branch2 && + git config --add git-p4.branchList branch1:branch3 && + git config --add git-p4.branchList branch1:branch4 && + git config --add git-p4.branchList branch1:branch5 && + "$GITP4" clone --dest=. --detect-branches //depot@all && + git log --all --graph --decorate --stat && + git reset --hard p4/depot/branch1 && + test_path_is_file file1 && + test_path_is_file file2 && + test_path_is_file file3 && + grep update file2 && + git reset --hard p4/depot/branch2 && + test_path_is_file file1 && + test_path_is_file file2 && + test_path_is_missing file3 && + ! grep update file2 && + git reset --hard p4/depot/branch3 && + test_path_is_file file1 && + test_path_is_file file2 && + test_path_is_file file3 && + grep update file2 && + git reset --hard p4/depot/branch4 && + test_path_is_file file1 && + test_path_is_file file2 && + test_path_is_missing file3 && + ! grep update file2 && + git reset --hard p4/depot/branch5 && + test_path_is_file file1 && + test_path_is_file file2 && + test_path_is_file file3 && + ! grep update file2 && + test_path_is_missing .git/git-p4-tmp ) ' |