_gitConfig[key] = read_pipe(cmd, ignore_error=True).strip()
return _gitConfig[key]
+def gitConfigList(key):
+ if not _gitConfig.has_key(key):
+ _gitConfig[key] = read_pipe("git config --get-all %s" % key, ignore_error=True).strip().split(os.linesep)
+ return _gitConfig[key]
+
def p4BranchesInGit(branchesAreInRemotes = True):
branches = {}
if not self.detectRenames:
# If not explicitly set check the config variable
- self.detectRenames = gitConfig("git-p4.detectRenames").lower() == "true"
+ self.detectRenames = gitConfig("git-p4.detectRenames")
- if self.detectRenames:
+ if self.detectRenames.lower() == "false" or self.detectRenames == "":
+ diffOpts = ""
+ elif self.detectRenames.lower() == "true":
diffOpts = "-M"
else:
- diffOpts = ""
+ diffOpts = "-M%s" % self.detectRenames
- if gitConfig("git-p4.detectCopies").lower() == "true":
+ detectCopies = gitConfig("git-p4.detectCopies")
+ if detectCopies.lower() == "true":
diffOpts += " -C"
+ elif detectCopies != "" and detectCopies.lower() != "false":
+ diffOpts += " -C%s" % detectCopies
- if gitConfig("git-p4.detectCopiesHarder").lower() == "true":
+ if gitConfig("git-p4.detectCopiesHarder", "--bool") == "true":
diffOpts += " --find-copies-harder"
diff = read_pipe_lines("git diff-tree -r %s \"%s^\" \"%s\"" % (diffOpts, id, id))
def getBranchMapping(self):
lostAndFoundBranches = set()
- for info in p4CmdList("branches"):
+ user = gitConfig("git-p4.branchUser")
+ if len(user) > 0:
+ command = "branches -u %s" % user
+ else:
+ command = "branches"
+
+ for info in p4CmdList(command):
details = p4Cmd("branch -o %s" % info["branch"])
viewIdx = 0
while details.has_key("View%s" % viewIdx):
if source not in self.knownBranches:
lostAndFoundBranches.add(source)
+ # Perforce does not strictly require branches to be defined, so we also
+ # check git config for a branch list.
+ #
+ # Example of branch definition in git config file:
+ # [git-p4]
+ # branchList=main:branchA
+ # branchList=main:branchB
+ # branchList=branchA:branchC
+ configBranches = gitConfigList("git-p4.branchList")
+ for branch in configBranches:
+ if branch:
+ (source, destination) = branch.split(":")
+ self.knownBranches[destination] = source
+
+ lostAndFoundBranches.discard(destination)
+
+ if source not in self.knownBranches:
+ lostAndFoundBranches.add(source)
+
for branch in lostAndFoundBranches:
self.knownBranches[branch] = branch
else:
paths = []
for (prev, cur) in zip(self.previousDepotPaths, depotPaths):
- for i in range(0, min(len(cur), len(prev))):
- if cur[i] <> prev[i]:
+ prev_list = prev.split("/")
+ cur_list = cur.split("/")
+ for i in range(0, min(len(cur_list), len(prev_list))):
+ if cur_list[i] <> prev_list[i]:
i = i - 1
break
- paths.append (cur[:i + 1])
+ paths.append ("/".join(cur_list[:i + 1]))
self.previousDepotPaths = paths
When submitting, git-p4 checks that the git commits are authored by the current
p4 user, and warns if they are not. This disables the check.
+git-p4.detectRenames
+
+Detect renames when submitting changes to Perforce server. Will enable -M git
+argument. Can be optionally set to a number representing the threshold
+percentage value of the rename detection.
+
+ git config [--global] git-p4.detectRenames true
+ git config [--global] git-p4.detectRenames 50
+
+git-p4.detectCopies
+
+Detect copies when submitting changes to Perforce server. Will enable -C git
+argument. Can be optionally set to a number representing the threshold
+percentage value of the copy detection.
+
+ git config [--global] git-p4.detectCopies true
+ git config [--global] git-p4.detectCopies 80
+
+git-p4.detectCopiesHarder
+
+Detect copies even between files that did not change when submitting changes to
+Perforce server. Will enable --find-copies-harder git argument.
+
+ git config [--global] git-p4.detectCopies true
+
+git-p4.branchUser
+
+Only use branch specifications defined by the selected username.
+
+ git config [--global] git-p4.branchUser username
+
+git-p4.branchList
+
+List of branches to be imported when branch detection is enabled.
+
+ git config [--global] git-p4.branchList main:branchA
+ git config [--global] --add git-p4.branchList main:branchB
+
Implementation Details...
=========================
test $p4time = $gittime
'
+# Rename a file and confirm that rename is not detected in P4.
+# Rename the new file again with detectRenames option enabled and confirm that
+# this is detected in P4.
+# Rename the new file again adding an extra line, configure a big threshold in
+# detectRenames and confirm that rename is not detected in P4.
+# Repeat, this time with a smaller threshold and confirm that the rename is
+# detected in P4.
+test_expect_success 'detect renames' '
+ "$GITP4" clone --dest="$git" //depot@all &&
+ test_when_finished cleanup_git &&
+ cd "$git" &&
+ git config git-p4.skipSubmitEditCheck true &&
+
+ git mv file1 file4 &&
+ git commit -a -m "Rename file1 to file4" &&
+ git diff-tree -r -M HEAD &&
+ "$GITP4" submit &&
+ p4 filelog //depot/file4 &&
+ ! p4 filelog //depot/file4 | grep -q "branch from" &&
+
+ git mv file4 file5 &&
+ git commit -a -m "Rename file4 to file5" &&
+ git diff-tree -r -M HEAD &&
+ git config git-p4.detectRenames true &&
+ "$GITP4" submit &&
+ p4 filelog //depot/file5 &&
+ p4 filelog //depot/file5 | grep -q "branch from //depot/file4" &&
+
+ git mv file5 file6 &&
+ echo update >>file6 &&
+ git add file6 &&
+ git commit -a -m "Rename file5 to file6 with changes" &&
+ git diff-tree -r -M HEAD &&
+ level=$(git diff-tree -r -M HEAD | sed 1d | cut -f1 | cut -d" " -f5 | sed "s/R0*//") &&
+ test -n "$level" && test "$level" -gt 0 && test "$level" -lt 98 &&
+ git config git-p4.detectRenames $((level + 2)) &&
+ "$GITP4" submit &&
+ p4 filelog //depot/file6 &&
+ ! p4 filelog //depot/file6 | grep -q "branch from" &&
+
+ git mv file6 file7 &&
+ echo update >>file7 &&
+ git add file7 &&
+ git commit -a -m "Rename file6 to file7 with changes" &&
+ git diff-tree -r -M HEAD &&
+ level=$(git diff-tree -r -M HEAD | sed 1d | cut -f1 | cut -d" " -f5 | sed "s/R0*//") &&
+ test -n "$level" && test "$level" -gt 2 && test "$level" -lt 100 &&
+ git config git-p4.detectRenames $((level - 2)) &&
+ "$GITP4" submit &&
+ p4 filelog //depot/file7 &&
+ p4 filelog //depot/file7 | grep -q "branch from //depot/file6"
+'
+
+# Copy a file and confirm that copy is not detected in P4.
+# Copy a file with detectCopies option enabled and confirm that copy is not
+# detected in P4.
+# Modify and copy a file with detectCopies option enabled and confirm that copy
+# is detected in P4.
+# Copy a file with detectCopies and detectCopiesHarder options enabled and
+# confirm that copy is detected in P4.
+# Modify and copy a file, configure a bigger threshold in detectCopies and
+# confirm that copy is not detected in P4.
+# Modify and copy a file, configure a smaller threshold in detectCopies and
+# confirm that copy is detected in P4.
+test_expect_success 'detect copies' '
+ "$GITP4" clone --dest="$git" //depot@all &&
+ test_when_finished cleanup_git &&
+ cd "$git" &&
+ git config git-p4.skipSubmitEditCheck true &&
+
+ cp file2 file8 &&
+ git add file8 &&
+ git commit -a -m "Copy file2 to file8" &&
+ git diff-tree -r -C HEAD &&
+ "$GITP4" submit &&
+ p4 filelog //depot/file8 &&
+ ! p4 filelog //depot/file8 | grep -q "branch from" &&
+
+ cp file2 file9 &&
+ git add file9 &&
+ git commit -a -m "Copy file2 to file9" &&
+ git diff-tree -r -C HEAD &&
+ git config git-p4.detectCopies true &&
+ "$GITP4" submit &&
+ p4 filelog //depot/file9 &&
+ ! p4 filelog //depot/file9 | grep -q "branch from" &&
+
+ echo "file2" >>file2 &&
+ cp file2 file10 &&
+ git add file2 file10 &&
+ git commit -a -m "Modify and copy file2 to file10" &&
+ git diff-tree -r -C HEAD &&
+ "$GITP4" submit &&
+ p4 filelog //depot/file10 &&
+ p4 filelog //depot/file10 | grep -q "branch from //depot/file" &&
+
+ cp file2 file11 &&
+ git add file11 &&
+ git commit -a -m "Copy file2 to file11" &&
+ git diff-tree -r -C --find-copies-harder HEAD &&
+ src=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f2) &&
+ test "$src" = file10 &&
+ git config git-p4.detectCopiesHarder true &&
+ "$GITP4" submit &&
+ p4 filelog //depot/file11 &&
+ p4 filelog //depot/file11 | grep -q "branch from //depot/file" &&
+
+ cp file2 file12 &&
+ echo "some text" >>file12 &&
+ git add file12 &&
+ git commit -a -m "Copy file2 to file12 with changes" &&
+ git diff-tree -r -C --find-copies-harder HEAD &&
+ level=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f1 | cut -d" " -f5 | sed "s/C0*//") &&
+ test -n "$level" && test "$level" -gt 0 && test "$level" -lt 98 &&
+ src=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f2) &&
+ test "$src" = file10 &&
+ git config git-p4.detectCopies $((level + 2)) &&
+ "$GITP4" submit &&
+ p4 filelog //depot/file12 &&
+ ! p4 filelog //depot/file12 | grep -q "branch from" &&
+
+ cp file2 file13 &&
+ echo "different text" >>file13 &&
+ git add file13 &&
+ git commit -a -m "Copy file2 to file13 with changes" &&
+ git diff-tree -r -C --find-copies-harder HEAD &&
+ level=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f1 | cut -d" " -f5 | sed "s/C0*//") &&
+ test -n "$level" && test "$level" -gt 2 && test "$level" -lt 100 &&
+ src=$(git diff-tree -r -C --find-copies-harder HEAD | sed 1d | cut -f2) &&
+ test "$src" = file10 &&
+ git config git-p4.detectCopies $((level - 2)) &&
+ "$GITP4" submit &&
+ p4 filelog //depot/file13 &&
+ p4 filelog //depot/file13 | grep -q "branch from //depot/file"
+'
+
+# Create a simple branch structure in P4 depot to check if it is correctly
+# cloned.
+test_expect_success 'add simple p4 branches' '
+ cd "$cli" &&
+ mkdir branch1 &&
+ cd branch1 &&
+ echo file1 >file1 &&
+ echo file2 >file2 &&
+ p4 add file* &&
+ p4 submit -d "branch1" &&
+ p4 integrate //depot/branch1/... //depot/branch2/... &&
+ p4 submit -d "branch2" &&
+ echo file3 >file3 &&
+ p4 add file3 &&
+ p4 submit -d "add file3 in branch1" &&
+ p4 open file2 &&
+ echo update >>file2 &&
+ p4 submit -d "update file2 in branch1" &&
+ p4 integrate //depot/branch1/... //depot/branch3/... &&
+ p4 submit -d "branch3" &&
+ cd "$TRASH_DIRECTORY"
+'
+
+# Configure branches through git-config and clone them.
+# All files are tested to make sure branches were cloned correctly.
+# Finally, make an update to branch1 on P4 side to check if it is imported
+# correctly by git-p4.
+test_expect_success 'git-p4 clone simple branches' '
+ git init "$git" &&
+ cd "$git" &&
+ git config git-p4.branchList branch1:branch2 &&
+ git config --add git-p4.branchList branch1:branch3 &&
+ cd "$TRASH_DIRECTORY" &&
+ "$GITP4" clone --dest="$git" --detect-branches //depot@all &&
+ cd "$git" &&
+ git log --all --graph --decorate --stat &&
+ git reset --hard p4/depot/branch1 &&
+ test -f file1 &&
+ test -f file2 &&
+ test -f file3 &&
+ grep -q update file2 &&
+ git reset --hard p4/depot/branch2 &&
+ test -f file1 &&
+ test -f file2 &&
+ test \! -z file3 &&
+ ! grep -q update file2 &&
+ git reset --hard p4/depot/branch3 &&
+ test -f file1 &&
+ test -f file2 &&
+ test -f file3 &&
+ grep -q update file2 &&
+ cd "$cli" &&
+ cd branch1 &&
+ p4 edit file2 &&
+ echo file2_ >> file2 &&
+ p4 submit -d "update file2 in branch3" &&
+ cd "$git" &&
+ git reset --hard p4/depot/branch1 &&
+ "$GITP4" rebase &&
+ grep -q file2_ file2 &&
+ cd "$TRASH_DIRECTORY" &&
+ rm -rf "$git" && mkdir "$git"
+'
+
test_expect_success 'shutdown' '
pid=`pgrep -f p4d` &&
test -n "$pid" &&