[PATCH v8 0/7] git-p4: add support for large file systems

[PATCH v8 0/7] git-p4: add support for large file systems

[larsxschneider]

From: Lars Schneider <larsxschneider@gmail.com>

diff to v7:
* fix commit message line length (thanks Junio)
* fix sync command for large file system support (thanks Luke!)
* add test case for sync command
* rename git-p4.pushLargeFiles to git-p4.largeFilePush for consistency with
  other git-p4.largeFile* configs
* fix relative path handling for clone operation which caused a crash in the
  disk space check and t9819 (thanks Luke!)
* use test_path_is_missing instead of !test_path_is_file (thanks Luke!)

The patch is again based on maint (ee6ad5f) as patches v1-v6 before.

Cheers,
Lars

Lars Schneider (7):
  git-p4: add optional type specifier to gitConfig reader
  git-p4: add gitConfigInt reader
  git-p4: return an empty list if a list config has no values
  git-p4: add file streaming progress in verbose mode
  git-p4: check free space during streaming
  git-p4: add support for large file systems
  git-p4: add Git LFS backend for large file system

 Documentation/git-p4.txt   |  32 +++++
 git-p4.py                  | 270 +++++++++++++++++++++++++++++++++++++++---
 t/t9823-git-p4-mock-lfs.sh | 192 ++++++++++++++++++++++++++++++
 t/t9824-git-p4-git-lfs.sh  | 288 +++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 766 insertions(+), 16 deletions(-)
 create mode 100755 t/t9823-git-p4-mock-lfs.sh
 create mode 100755 t/t9824-git-p4-git-lfs.sh

--
2.5.1

[PATCH v8 1/7] git-p4: add optional type specifier to gitConfig reader

[larsxschneider]

From: Lars Schneider <larsxschneider@gmail.com>

The functions “gitConfig” and “gitConfigBool” are almost identical.
Make “gitConfig” more generic by adding an optional type specifier.
Use the type specifier “—bool” with “gitConfig” to implement
“gitConfigBool. This prepares the implementation of other type
specifiers such as “—int”.

Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
Acked-by: Luke Diamand <luke@diamand.org>
---
 git-p4.py | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/git-p4.py b/git-p4.py
index 073f87b..c139cab 100755
--- a/git-p4.py
+++ b/git-p4.py
@@ -604,9 +604,12 @@ def gitBranchExists(branch):
 
 _gitConfig = {}
 
-def gitConfig(key):
+def gitConfig(key, typeSpecifier=None):
     if not _gitConfig.has_key(key):
-        cmd = [ "git", "config", key ]
+        cmd = [ "git", "config" ]
+        if typeSpecifier:
+            cmd += [ typeSpecifier ]
+        cmd += [ key ]
         s = read_pipe(cmd, ignore_error=True)
         _gitConfig[key] = s.strip()
     return _gitConfig[key]
@@ -617,10 +620,7 @@ def gitConfigBool(key):
        in the config."""
 
     if not _gitConfig.has_key(key):
-        cmd = [ "git", "config", "--bool", key ]
-        s = read_pipe(cmd, ignore_error=True)
-        v = s.strip()
-        _gitConfig[key] = v == "true"
+        _gitConfig[key] = gitConfig(key, '--bool') == "true"
     return _gitConfig[key]
 
 def gitConfigList(key):
-- 
2.5.1

[PATCH v8 2/7] git-p4: add gitConfigInt reader

[larsxschneider]

From: Lars Schneider <larsxschneider@gmail.com>

Add a git config reader for integer variables. Please note that the
git config implementation automatically supports k, m, and g suffixes.

Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
---
 git-p4.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/git-p4.py b/git-p4.py
index c139cab..40ad4ae 100755
--- a/git-p4.py
+++ b/git-p4.py
@@ -623,6 +623,17 @@ def gitConfigBool(key):
         _gitConfig[key] = gitConfig(key, '--bool') == "true"
     return _gitConfig[key]
 
+def gitConfigInt(key):
+    if not _gitConfig.has_key(key):
+        cmd = [ "git", "config", "--int", key ]
+        s = read_pipe(cmd, ignore_error=True)
+        v = s.strip()
+        try:
+            _gitConfig[key] = int(gitConfig(key, '--int'))
+        except ValueError:
+            _gitConfig[key] = None
+    return _gitConfig[key]
+
 def gitConfigList(key):
     if not _gitConfig.has_key(key):
         s = read_pipe(["git", "config", "--get-all", key], ignore_error=True)
-- 
2.5.1

[PATCH v8 3/7] git-p4: return an empty list if a list config has no values

[larsxschneider]

From: Lars Schneider <larsxschneider@gmail.com>

Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
---
 git-p4.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/git-p4.py b/git-p4.py
index 40ad4ae..90d3b90 100755
--- a/git-p4.py
+++ b/git-p4.py
@@ -638,6 +638,8 @@ def gitConfigList(key):
     if not _gitConfig.has_key(key):
         s = read_pipe(["git", "config", "--get-all", key], ignore_error=True)
         _gitConfig[key] = s.strip().split(os.linesep)
+        if _gitConfig[key] == ['']:
+            _gitConfig[key] = []
     return _gitConfig[key]
 
 def p4BranchesInGit(branchesAreInRemotes=True):
-- 
2.5.1

[PATCH v8 4/7] git-p4: add file streaming progress in verbose mode

[larsxschneider]

From: Lars Schneider <larsxschneider@gmail.com>

If a file is streamed from P4 to Git then the verbose mode prints
continuously the progress as percentage like this:
//depot/file.bin 20% (10 MB)

Upon completion the progress is overwritten with depot source, local
file and size like this:
//depot/file.bin --> local/file.bin (10 MB)

Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
---
 git-p4.py | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/git-p4.py b/git-p4.py
index 90d3b90..e7a7ea4 100755
--- a/git-p4.py
+++ b/git-p4.py
@@ -2164,7 +2164,9 @@ class P4Sync(Command, P4UserMap):
     def streamOneP4File(self, file, contents):
         relPath = self.stripRepoPath(file['depotFile'], self.branchPrefixes)
         if verbose:
-            sys.stderr.write("%s\n" % relPath)
+            size = int(self.stream_file['fileSize'])
+            sys.stdout.write('\r%s --> %s (%i MB)\n' % (file['depotFile'], relPath, size/1024/1024))
+            sys.stdout.flush()
 
         (type_base, type_mods) = split_p4_type(file["type"])
 
@@ -2241,7 +2243,8 @@ class P4Sync(Command, P4UserMap):
     def streamOneP4Deletion(self, file):
         relPath = self.stripRepoPath(file['path'], self.branchPrefixes)
         if verbose:
-            sys.stderr.write("delete %s\n" % relPath)
+            sys.stdout.write("delete %s\n" % relPath)
+            sys.stdout.flush()
         self.gitStream.write("D %s\n" % relPath)
 
     # handle another chunk of streaming data
@@ -2281,10 +2284,23 @@ class P4Sync(Command, P4UserMap):
         # 'data' field we need to append to our array
         for k in marshalled.keys():
             if k == 'data':
+                if 'streamContentSize' not in self.stream_file:
+                    self.stream_file['streamContentSize'] = 0
+                self.stream_file['streamContentSize'] += len(marshalled['data'])
                 self.stream_contents.append(marshalled['data'])
             else:
                 self.stream_file[k] = marshalled[k]
 
+        if (verbose and
+            'streamContentSize' in self.stream_file and
+            'fileSize' in self.stream_file and
+            'depotFile' in self.stream_file):
+            size = int(self.stream_file["fileSize"])
+            if size > 0:
+                progress = 100*self.stream_file['streamContentSize']/size
+                sys.stdout.write('\r%s %d%% (%i MB)' % (self.stream_file['depotFile'], progress, int(size/1024/1024)))
+                sys.stdout.flush()
+
         self.stream_have_file_info = True
 
     # Stream directly from "p4 files" into "git fast-import"
-- 
2.5.1

[PATCH v8 5/7] git-p4: check free space during streaming

[larsxschneider]

From: Lars Schneider <larsxschneider@gmail.com>

git-p4 will just halt if there is not enough disk space while
streaming content from P4 to Git. Add a check to ensure at least
4 times (arbitrarily chosen) the size of a streamed file is available.

Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
---
 git-p4.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/git-p4.py b/git-p4.py
index e7a7ea4..6b1e395 100755
--- a/git-p4.py
+++ b/git-p4.py
@@ -104,6 +104,16 @@ def chdir(path, is_client_path=False):
         path = os.getcwd()
     os.environ['PWD'] = path
 
+def calcDiskFree():
+    """Return free space in bytes on the disk of the given dirname."""
+    if platform.system() == 'Windows':
+        free_bytes = ctypes.c_ulonglong(0)
+        ctypes.windll.kernel32.GetDiskFreeSpaceExW(ctypes.c_wchar_p(os.getcwd()), None, None, ctypes.pointer(free_bytes))
+        return free_bytes.value
+    else:
+        st = os.statvfs(os.getcwd())
+        return st.f_bavail * st.f_frsize
+
 def die(msg):
     if verbose:
         raise Exception(msg)
@@ -2256,6 +2266,14 @@ class P4Sync(Command, P4UserMap):
             if marshalled["code"] == "error":
                 if "data" in marshalled:
                     err = marshalled["data"].rstrip()
+
+        if not err and 'fileSize' in self.stream_file:
+            required_bytes = int((4 * int(self.stream_file["fileSize"])) - calcDiskFree())
+            if required_bytes > 0:
+                err = 'Not enough space left on %s! Free at least %i MB.' % (
+                    os.getcwd(), required_bytes/1024/1024
+                )
+
         if err:
             f = None
             if self.stream_have_file_info:
-- 
2.5.1

[PATCH v8 6/7] git-p4: add support for large file systems

[larsxschneider]

From: Lars Schneider <larsxschneider@gmail.com>

Perforce repositories can contain large (binary) files. Migrating these
repositories to Git generates very large local clones. External storage
systems such as Git LFS [1], Git Fat [2], Git Media [3], git-annex [4]
try to address this problem.

Add a generic mechanism to detect large files based on extension,
uncompressed size, and/or compressed size.

[1] https://git-lfs.github.com/
[2] https://github.com/jedbrown/git-fat
[3] https://github.com/alebedev/git-media
[4] https://git-annex.branchable.com/

Signed-off-by: Lars Schneider <larsxschneider@gmail.com>

Conflicts:
	Documentation/git-p4.txt
	git-p4.py
---
 Documentation/git-p4.txt   |  32 ++++++++
 git-p4.py                  | 139 +++++++++++++++++++++++++++++---
 t/t9823-git-p4-mock-lfs.sh | 192 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 353 insertions(+), 10 deletions(-)
 create mode 100755 t/t9823-git-p4-mock-lfs.sh

diff --git a/Documentation/git-p4.txt b/Documentation/git-p4.txt
index 82aa5d6..f34d16d 100644
--- a/Documentation/git-p4.txt
+++ b/Documentation/git-p4.txt
@@ -510,6 +510,38 @@ git-p4.useClientSpec::
 	option '--use-client-spec'.  See the "CLIENT SPEC" section above.
 	This variable is a boolean, not the name of a p4 client.
 
+git-p4.largeFileSystem::
+	Specify the system that is used for large (binary) files. Please note
+	that large file systems do not support the 'git p4 submit' command.
+	Only Git LFS [1] is implemented right now. Download
+	and install the Git LFS command line extension to use this option
+	and configure it like this:
++
+-------------
+git config       git-p4.largeFileSystem GitLFS
+-------------
++
+	[1] https://git-lfs.github.com/
+
+git-p4.largeFileExtensions::
+	All files matching a file extension in the list will be processed
+	by the large file system. Do not prefix the extensions with '.'.
+
+git-p4.largeFileThreshold::
+	All files with an uncompressed size exceeding the threshold will be
+	processed by the large file system. By default the threshold is
+	defined in bytes. Add the suffix k, m, or g to change the unit.
+
+git-p4.largeFileCompressedThreshold::
+	All files with a compressed size exceeding the threshold will be
+	processed by the large file system. This option might slow down
+	your clone/sync process. By default the threshold is defined in
+	bytes. Add the suffix k, m, or g to change the unit.
+
+git-p4.largeFilePush::
+	Boolean variable which defines if large files are automatically
+	pushed to a server.
+
 Submit variables
 ~~~~~~~~~~~~~~~~
 git-p4.detectRenames::
diff --git a/git-p4.py b/git-p4.py
index 6b1e395..3de8505 100755
--- a/git-p4.py
+++ b/git-p4.py
@@ -22,6 +22,8 @@ import platform
 import re
 import shutil
 import stat
+import zipfile
+import zlib
 
 try:
     from subprocess import CalledProcessError
@@ -932,6 +934,110 @@ def wildcard_present(path):
     m = re.search("[*#@%]", path)
     return m is not None
 
+class LargeFileSystem(object):
+    """Base class for large file system support."""
+
+    def __init__(self, writeToGitStream):
+        self.largeFiles = set()
+        self.writeToGitStream = writeToGitStream
+
+    def generatePointer(self, cloneDestination, contentFile):
+        """Return the content of a pointer file that is stored in Git instead of
+           the actual content."""
+        assert False, "Method 'generatePointer' required in " + self.__class__.__name__
+
+    def pushFile(self, localLargeFile):
+        """Push the actual content which is not stored in the Git repository to
+           a server."""
+        assert False, "Method 'pushFile' required in " + self.__class__.__name__
+
+    def hasLargeFileExtension(self, relPath):
+        return reduce(
+            lambda a, b: a or b,
+            [relPath.endswith('.' + e) for e in gitConfigList('git-p4.largeFileExtensions')],
+            False
+        )
+
+    def generateTempFile(self, contents):
+        contentFile = tempfile.NamedTemporaryFile(prefix='git-p4-large-file', delete=False)
+        for d in contents:
+            contentFile.write(d)
+        contentFile.close()
+        return contentFile.name
+
+    def exceedsLargeFileThreshold(self, relPath, contents):
+        if gitConfigInt('git-p4.largeFileThreshold'):
+            contentsSize = sum(len(d) for d in contents)
+            if contentsSize > gitConfigInt('git-p4.largeFileThreshold'):
+                return True
+        if gitConfigInt('git-p4.largeFileCompressedThreshold'):
+            contentsSize = sum(len(d) for d in contents)
+            if contentsSize <= gitConfigInt('git-p4.largeFileCompressedThreshold'):
+                return False
+            contentTempFile = self.generateTempFile(contents)
+            compressedContentFile = tempfile.NamedTemporaryFile(prefix='git-p4-large-file', delete=False)
+            zf = zipfile.ZipFile(compressedContentFile.name, mode='w')
+            zf.write(contentTempFile, compress_type=zipfile.ZIP_DEFLATED)
+            zf.close()
+            compressedContentsSize = zf.infolist()[0].compress_size
+            os.remove(contentTempFile)
+            os.remove(compressedContentFile.name)
+            if compressedContentsSize > gitConfigInt('git-p4.largeFileCompressedThreshold'):
+                return True
+        return False
+
+    def addLargeFile(self, relPath):
+        self.largeFiles.add(relPath)
+
+    def removeLargeFile(self, relPath):
+        self.largeFiles.remove(relPath)
+
+    def isLargeFile(self, relPath):
+        return relPath in self.largeFiles
+
+    def processContent(self, git_mode, relPath, contents):
+        """Processes the content of git fast import. This method decides if a
+           file is stored in the large file system and handles all necessary
+           steps."""
+        if self.exceedsLargeFileThreshold(relPath, contents) or self.hasLargeFileExtension(relPath):
+            contentTempFile = self.generateTempFile(contents)
+            (git_mode, contents, localLargeFile) = self.generatePointer(contentTempFile)
+
+            # Move temp file to final location in large file system
+            largeFileDir = os.path.dirname(localLargeFile)
+            if not os.path.isdir(largeFileDir):
+                os.makedirs(largeFileDir)
+            shutil.move(contentTempFile, localLargeFile)
+            self.addLargeFile(relPath)
+            if gitConfigBool('git-p4.largeFilePush'):
+                self.pushFile(localLargeFile)
+            if verbose:
+                sys.stderr.write("%s moved to large file system (%s)\n" % (relPath, localLargeFile))
+        return (git_mode, contents)
+
+class MockLFS(LargeFileSystem):
+    """Mock large file system for testing."""
+
+    def generatePointer(self, contentFile):
+        """The pointer content is the original content prefixed with "pointer-".
+           The local filename of the large file storage is derived from the file content.
+           """
+        with open(contentFile, 'r') as f:
+            content = next(f)
+            gitMode = '100644'
+            pointerContents = 'pointer-' + content
+            localLargeFile = os.path.join(os.getcwd(), '.git', 'mock-storage', 'local', content[:-1])
+            return (gitMode, pointerContents, localLargeFile)
+
+    def pushFile(self, localLargeFile):
+        """The remote filename of the large file storage is the same as the local
+           one but in a different directory.
+           """
+        remotePath = os.path.join(os.path.dirname(localLargeFile), '..', 'remote')
+        if not os.path.exists(remotePath):
+            os.makedirs(remotePath)
+        shutil.copyfile(localLargeFile, os.path.join(remotePath, os.path.basename(localLargeFile)))
+
 class Command:
     def __init__(self):
         self.usage = "usage: %prog [options]"
@@ -1105,6 +1211,9 @@ class P4Submit(Command, P4UserMap):
         self.p4HasMoveCommand = p4_has_move_command()
         self.branch = None
 
+        if gitConfig('git-p4.largeFileSystem'):
+            die("Large file system not supported for git-p4 submit command. Please remove it from config.")
+
     def check(self):
         if len(p4CmdList("opened ...")) > 0:
             die("You have files opened with perforce! Close them before starting the sync.")
@@ -2048,6 +2157,13 @@ class P4Sync(Command, P4UserMap):
         self.clientSpecDirs = None
         self.tempBranches = []
         self.tempBranchLocation = "git-p4-tmp"
+        self.largeFileSystem = None
+
+        if gitConfig('git-p4.largeFileSystem'):
+            largeFileSystemConstructor = globals()[gitConfig('git-p4.largeFileSystem')]
+            self.largeFileSystem = largeFileSystemConstructor(
+                lambda git_mode, relPath, contents: self.writeToGitStream(git_mode, relPath, contents)
+            )
 
         if gitConfig("git-p4.syncFromOrigin") == "false":
             self.syncWithOrigin = False
@@ -2168,6 +2284,13 @@ class P4Sync(Command, P4UserMap):
 
         return branches
 
+    def writeToGitStream(self, gitMode, relPath, contents):
+        self.gitStream.write('M %s inline %s\n' % (gitMode, relPath))
+        self.gitStream.write('data %d\n' % sum(len(d) for d in contents))
+        for d in contents:
+            self.gitStream.write(d)
+        self.gitStream.write('\n')
+
     # output one file from the P4 stream
     # - helper for streamP4Files
 
@@ -2238,17 +2361,10 @@ class P4Sync(Command, P4UserMap):
             text = regexp.sub(r'$\1$', text)
             contents = [ text ]
 
-        self.gitStream.write("M %s inline %s\n" % (git_mode, relPath))
+        if self.largeFileSystem:
+            (git_mode, contents) = self.largeFileSystem.processContent(git_mode, relPath, contents)
 
-        # total length...
-        length = 0
-        for d in contents:
-            length = length + len(d)
-
-        self.gitStream.write("data %d\n" % length)
-        for d in contents:
-            self.gitStream.write(d)
-        self.gitStream.write("\n")
+        self.writeToGitStream(git_mode, relPath, contents)
 
     def streamOneP4Deletion(self, file):
         relPath = self.stripRepoPath(file['path'], self.branchPrefixes)
@@ -2257,6 +2373,9 @@ class P4Sync(Command, P4UserMap):
             sys.stdout.flush()
         self.gitStream.write("D %s\n" % relPath)
 
+        if self.largeFileSystem and self.largeFileSystem.isLargeFile(relPath):
+            self.largeFileSystem.removeLargeFile(relPath)
+
     # handle another chunk of streaming data
     def streamP4FilesCb(self, marshalled):
 
diff --git a/t/t9823-git-p4-mock-lfs.sh b/t/t9823-git-p4-mock-lfs.sh
new file mode 100755
index 0000000..1f2dc36
--- /dev/null
+++ b/t/t9823-git-p4-mock-lfs.sh
@@ -0,0 +1,192 @@
+#!/bin/sh
+
+test_description='Clone repositories and store files in Mock LFS'
+
+. ./lib-git-p4.sh
+
+test_file_is_not_in_mock_lfs () {
+	FILE="$1" &&
+	CONTENT="$2" &&
+	echo "$CONTENT" >expect_content &&
+	test_path_is_file "$FILE" &&
+	test_cmp expect_content "$FILE"
+}
+
+test_file_is_in_mock_lfs () {
+	FILE="$1" &&
+	CONTENT="$2" &&
+	LOCAL_STORAGE=".git/mock-storage/local/$CONTENT" &&
+	SERVER_STORAGE=".git/mock-storage/remote/$CONTENT" &&
+	echo "pointer-$CONTENT" >expect_pointer &&
+	echo "$CONTENT" >expect_content &&
+	test_path_is_file "$FILE" &&
+	test_path_is_file "$LOCAL_STORAGE" &&
+	test_path_is_file "$SERVER_STORAGE" &&
+	test_cmp expect_pointer "$FILE" &&
+	test_cmp expect_content "$LOCAL_STORAGE" &&
+	test_cmp expect_content "$SERVER_STORAGE"
+}
+
+test_file_is_deleted_in_mock_lfs () {
+	FILE="$1" &&
+	CONTENT="$2" &&
+	LOCAL_STORAGE=".git/mock-storage/local/$CONTENT" &&
+	SERVER_STORAGE=".git/mock-storage/remote/$CONTENT" &&
+	echo "pointer-$CONTENT" >expect_pointer &&
+	echo "$CONTENT" >expect_content &&
+	test_path_is_missing "$FILE" &&
+	test_path_is_file "$LOCAL_STORAGE" &&
+	test_path_is_file "$SERVER_STORAGE" &&
+	test_cmp expect_content "$LOCAL_STORAGE" &&
+	test_cmp expect_content "$SERVER_STORAGE"
+}
+
+test_file_count_in_dir () {
+	DIR="$1" &&
+	EXPECTED_COUNT="$2" &&
+	find "$DIR" -type f >actual &&
+	test_line_count = $EXPECTED_COUNT actual
+}
+
+test_expect_success 'start p4d' '
+	start_p4d
+'
+
+test_expect_success 'Create repo with binary files' '
+	client_view "//depot/... //client/..." &&
+	(
+		cd "$cli" &&
+
+		echo "content 1 txt 23 bytes" >file1.txt &&
+		p4 add file1.txt &&
+		echo "content 2-3 bin 25 bytes" >file2.dat &&
+		p4 add file2.dat &&
+		p4 submit -d "Add text and binary file" &&
+
+		mkdir "path with spaces" &&
+		echo "content 2-3 bin 25 bytes" >"path with spaces/file3.bin" &&
+		p4 add "path with spaces/file3.bin" &&
+		p4 submit -d "Add another binary file with same content and spaces in path" &&
+
+		echo "content 4 bin 26 bytes XX" >file4.bin &&
+		p4 add file4.bin &&
+		p4 submit -d "Add another binary file with different content"
+	)
+'
+
+test_expect_success 'Store files in Mock LFS based on size (>24 bytes)' '
+	client_view "//depot/... //client/..." &&
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init . &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem MockLFS &&
+		git config git-p4.largeFileThreshold 24 &&
+		git config git-p4.largeFilePush True &&
+		git p4 clone --destination="$git" //depot@all &&
+
+		test_file_is_not_in_mock_lfs file1.txt "content 1 txt 23 bytes" &&
+		test_file_is_in_mock_lfs file2.dat "content 2-3 bin 25 bytes" &&
+		test_file_is_in_mock_lfs "path with spaces/file3.bin" "content 2-3 bin 25 bytes" &&
+		test_file_is_in_mock_lfs file4.bin "content 4 bin 26 bytes XX" &&
+
+		test_file_count_in_dir ".git/mock-storage/local" 2 &&
+		test_file_count_in_dir ".git/mock-storage/remote" 2
+	)
+'
+
+test_expect_success 'Store files in Mock LFS based on extension (dat)' '
+	client_view "//depot/... //client/..." &&
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init . &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem MockLFS &&
+		git config git-p4.largeFileExtensions dat &&
+		git config git-p4.largeFilePush True &&
+		git p4 clone --destination="$git" //depot@all &&
+
+		test_file_is_not_in_mock_lfs file1.txt "content 1 txt 23 bytes" &&
+		test_file_is_in_mock_lfs file2.dat "content 2-3 bin 25 bytes" &&
+		test_file_is_not_in_mock_lfs "path with spaces/file3.bin" "content 2-3 bin 25 bytes" &&
+		test_file_is_not_in_mock_lfs file4.bin "content 4 bin 26 bytes XX" &&
+
+		test_file_count_in_dir ".git/mock-storage/local" 1 &&
+		test_file_count_in_dir ".git/mock-storage/remote" 1
+	)
+'
+
+test_expect_success 'Store files in Mock LFS based on extension (dat) and use git p4 sync and no client spec' '
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem MockLFS &&
+		git config git-p4.largeFileExtensions dat &&
+		git config git-p4.largeFilePush True &&
+		git p4 sync //depot &&
+		git checkout p4/master &&
+
+		test_file_is_not_in_mock_lfs file1.txt "content 1 txt 23 bytes" &&
+		test_file_is_in_mock_lfs file2.dat "content 2-3 bin 25 bytes" &&
+		test_file_is_not_in_mock_lfs "path with spaces/file3.bin" "content 2-3 bin 25 bytes" &&
+		test_file_is_not_in_mock_lfs file4.bin "content 4 bin 26 bytes XX" &&
+
+		test_file_count_in_dir ".git/mock-storage/local" 1 &&
+		test_file_count_in_dir ".git/mock-storage/remote" 1
+	)
+'
+
+test_expect_success 'Remove file from repo and store files in Mock LFS based on size (>24 bytes)' '
+	client_view "//depot/... //client/..." &&
+	(
+		cd "$cli" &&
+		p4 delete file4.bin &&
+		p4 submit -d "Remove file"
+	) &&
+
+	client_view "//depot/... //client/..." &&
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init . &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem MockLFS &&
+		git config git-p4.largeFileThreshold 24 &&
+		git config git-p4.largeFilePush True &&
+		git p4 clone --destination="$git" //depot@all &&
+
+		test_file_is_not_in_mock_lfs file1.txt "content 1 txt 23 bytes" &&
+		test_file_is_in_mock_lfs file2.dat "content 2-3 bin 25 bytes" &&
+		test_file_is_in_mock_lfs "path with spaces/file3.bin" "content 2-3 bin 25 bytes" &&
+		test_file_is_deleted_in_mock_lfs file4.bin "content 4 bin 26 bytes XX" &&
+
+		test_file_count_in_dir ".git/mock-storage/local" 2 &&
+		test_file_count_in_dir ".git/mock-storage/remote" 2
+	)
+'
+
+test_expect_success 'Run git p4 submit in repo configured with large file system' '
+	client_view "//depot/... //client/..." &&
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init . &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem MockLFS &&
+		git config git-p4.largeFileThreshold 24 &&
+		git config git-p4.largeFilePush True &&
+		git p4 clone --destination="$git" //depot@all &&
+
+		test_must_fail git p4 submit
+	)
+'
+
+test_expect_success 'kill p4d' '
+	kill_p4d
+'
+
+test_done
-- 
2.5.1

[PATCH v8 7/7] git-p4: add Git LFS backend for large file system

[larsxschneider]

From: Lars Schneider <larsxschneider@gmail.com>

Add example implementation including test cases for the large file
system using Git LFS.

Pushing files to the Git LFS server is not tested.

Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
---
 git-p4.py                 |  72 ++++++++++++
 t/t9824-git-p4-git-lfs.sh | 288 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 360 insertions(+)
 create mode 100755 t/t9824-git-p4-git-lfs.sh

diff --git a/git-p4.py b/git-p4.py
index 3de8505..fddf885 100755
--- a/git-p4.py
+++ b/git-p4.py
@@ -1038,6 +1038,78 @@ class MockLFS(LargeFileSystem):
             os.makedirs(remotePath)
         shutil.copyfile(localLargeFile, os.path.join(remotePath, os.path.basename(localLargeFile)))
 
+class GitLFS(LargeFileSystem):
+    """Git LFS as backend for the git-p4 large file system.
+       See https://git-lfs.github.com/ for details."""
+
+    def __init__(self, *args):
+        LargeFileSystem.__init__(self, *args)
+        self.baseGitAttributes = []
+
+    def generatePointer(self, contentFile):
+        """Generate a Git LFS pointer for the content. Return LFS Pointer file
+           mode and content which is stored in the Git repository instead of
+           the actual content. Return also the new location of the actual
+           content.
+           """
+        pointerProcess = subprocess.Popen(
+            ['git', 'lfs', 'pointer', '--file=' + contentFile],
+            stdout=subprocess.PIPE
+        )
+        pointerFile = pointerProcess.stdout.read()
+        if pointerProcess.wait():
+            os.remove(contentFile)
+            die('git-lfs pointer command failed. Did you install the extension?')
+        pointerContents = [i+'\n' for i in pointerFile.split('\n')[2:][:-1]]
+        oid = pointerContents[1].split(' ')[1].split(':')[1][:-1]
+        localLargeFile = os.path.join(
+            os.getcwd(),
+            '.git', 'lfs', 'objects', oid[:2], oid[2:4],
+            oid,
+        )
+        # LFS Spec states that pointer files should not have the executable bit set.
+        gitMode = '100644'
+        return (gitMode, pointerContents, localLargeFile)
+
+    def pushFile(self, localLargeFile):
+        uploadProcess = subprocess.Popen(
+            ['git', 'lfs', 'push', '--object-id', 'origin', os.path.basename(localLargeFile)]
+        )
+        if uploadProcess.wait():
+            die('git-lfs push command failed. Did you define a remote?')
+
+    def generateGitAttributes(self):
+        return (
+            self.baseGitAttributes +
+            [
+                '\n',
+                '#\n',
+                '# Git LFS (see https://git-lfs.github.com/)\n',
+                '#\n',
+            ] +
+            ['*.' + f.replace(' ', '[[:space:]]') + ' filter=lfs -text\n'
+                for f in sorted(gitConfigList('git-p4.largeFileExtensions'))
+            ] +
+            ['/' + f.replace(' ', '[[:space:]]') + ' filter=lfs -text\n'
+                for f in sorted(self.largeFiles) if not self.hasLargeFileExtension(f)
+            ]
+        )
+
+    def addLargeFile(self, relPath):
+        LargeFileSystem.addLargeFile(self, relPath)
+        self.writeToGitStream('100644', '.gitattributes', self.generateGitAttributes())
+
+    def removeLargeFile(self, relPath):
+        LargeFileSystem.removeLargeFile(self, relPath)
+        self.writeToGitStream('100644', '.gitattributes', self.generateGitAttributes())
+
+    def processContent(self, git_mode, relPath, contents):
+        if relPath == '.gitattributes':
+            self.baseGitAttributes = contents
+            return (git_mode, self.generateGitAttributes())
+        else:
+            return LargeFileSystem.processContent(self, git_mode, relPath, contents)
+
 class Command:
     def __init__(self):
         self.usage = "usage: %prog [options]"
diff --git a/t/t9824-git-p4-git-lfs.sh b/t/t9824-git-p4-git-lfs.sh
new file mode 100755
index 0000000..0b664a3
--- /dev/null
+++ b/t/t9824-git-p4-git-lfs.sh
@@ -0,0 +1,288 @@
+#!/bin/sh
+
+test_description='Clone repositories and store files in Git LFS'
+
+. ./lib-git-p4.sh
+
+git lfs help >/dev/null 2>&1 || {
+	skip_all='skipping git p4 Git LFS tests; Git LFS not found'
+	test_done
+}
+
+test_file_in_lfs () {
+	FILE="$1" &&
+	SIZE="$2" &&
+	EXPECTED_CONTENT="$3" &&
+	cat "$FILE" | grep "size $SIZE" &&
+	HASH=$(cat "$FILE" | grep "oid sha256:" | sed -e "s/oid sha256://g") &&
+	LFS_FILE=".git/lfs/objects/$(echo "$HASH" | cut -c1-2)/$(echo "$HASH" | cut -c3-4)/$HASH" &&
+	echo $EXPECTED_CONTENT >expect &&
+	test_path_is_file "$FILE" &&
+	test_path_is_file "$LFS_FILE" &&
+	test_cmp expect "$LFS_FILE"
+}
+
+test_file_count_in_dir () {
+	DIR="$1" &&
+	EXPECTED_COUNT="$2" &&
+	find "$DIR" -type f >actual &&
+	test_line_count = $EXPECTED_COUNT actual
+}
+
+test_expect_success 'start p4d' '
+	start_p4d
+'
+
+test_expect_success 'Create repo with binary files' '
+	client_view "//depot/... //client/..." &&
+	(
+		cd "$cli" &&
+
+		echo "content 1 txt 23 bytes" >file1.txt &&
+		p4 add file1.txt &&
+		echo "content 2-3 bin 25 bytes" >file2.dat &&
+		p4 add file2.dat &&
+		p4 submit -d "Add text and binary file" &&
+
+		mkdir "path with spaces" &&
+		echo "content 2-3 bin 25 bytes" >"path with spaces/file3.bin" &&
+		p4 add "path with spaces/file3.bin" &&
+		p4 submit -d "Add another binary file with same content and spaces in path" &&
+
+		echo "content 4 bin 26 bytes XX" >file4.bin &&
+		p4 add file4.bin &&
+		p4 submit -d "Add another binary file with different content"
+	)
+'
+
+test_expect_success 'Store files in LFS based on size (>24 bytes)' '
+	client_view "//depot/... //client/..." &&
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init . &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem GitLFS &&
+		git config git-p4.largeFileThreshold 24 &&
+		git p4 clone --destination="$git" //depot@all &&
+
+		test_file_in_lfs file2.dat 25 "content 2-3 bin 25 bytes" &&
+		test_file_in_lfs "path with spaces/file3.bin" 25 "content 2-3 bin 25 bytes" &&
+		test_file_in_lfs file4.bin 26 "content 4 bin 26 bytes XX" &&
+
+		test_file_count_in_dir ".git/lfs/objects" 2 &&
+
+		cat >expect <<-\EOF &&
+
+		#
+		# Git LFS (see https://git-lfs.github.com/)
+		#
+		/file2.dat filter=lfs -text
+		/file4.bin filter=lfs -text
+		/path[[:space:]]with[[:space:]]spaces/file3.bin filter=lfs -text
+		EOF
+		test_path_is_file .gitattributes &&
+		test_cmp expect .gitattributes
+	)
+'
+
+test_expect_success 'Store files in LFS based on size (>25 bytes)' '
+	client_view "//depot/... //client/..." &&
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init . &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem GitLFS &&
+		git config git-p4.largeFileThreshold 25 &&
+		git p4 clone --destination="$git" //depot@all &&
+
+		test_file_in_lfs file4.bin 26 "content 4 bin 26 bytes XX" &&
+		test_file_count_in_dir ".git/lfs/objects" 1 &&
+
+		cat >expect <<-\EOF &&
+
+		#
+		# Git LFS (see https://git-lfs.github.com/)
+		#
+		/file4.bin filter=lfs -text
+		EOF
+		test_path_is_file .gitattributes &&
+		test_cmp expect .gitattributes
+	)
+'
+
+test_expect_success 'Store files in LFS based on extension (dat)' '
+	client_view "//depot/... //client/..." &&
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init . &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem GitLFS &&
+		git config git-p4.largeFileExtensions dat &&
+		git p4 clone --destination="$git" //depot@all &&
+
+		test_file_in_lfs file2.dat 25 "content 2-3 bin 25 bytes" &&
+		test_file_count_in_dir ".git/lfs/objects" 1 &&
+
+		cat >expect <<-\EOF &&
+
+		#
+		# Git LFS (see https://git-lfs.github.com/)
+		#
+		*.dat filter=lfs -text
+		EOF
+		test_path_is_file .gitattributes &&
+		test_cmp expect .gitattributes
+	)
+'
+
+test_expect_success 'Store files in LFS based on size (>25 bytes) and extension (dat)' '
+	client_view "//depot/... //client/..." &&
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init . &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem GitLFS &&
+		git config git-p4.largeFileExtensions dat &&
+		git config git-p4.largeFileThreshold 25 &&
+		git p4 clone --destination="$git" //depot@all &&
+
+		test_file_in_lfs file2.dat 25 "content 2-3 bin 25 bytes" &&
+		test_file_in_lfs file4.bin 26 "content 4 bin 26 bytes XX" &&
+		test_file_count_in_dir ".git/lfs/objects" 2 &&
+
+		cat >expect <<-\EOF &&
+
+		#
+		# Git LFS (see https://git-lfs.github.com/)
+		#
+		*.dat filter=lfs -text
+		/file4.bin filter=lfs -text
+		EOF
+		test_path_is_file .gitattributes &&
+		test_cmp expect .gitattributes
+	)
+'
+
+test_expect_success 'Remove file from repo and store files in LFS based on size (>24 bytes)' '
+	client_view "//depot/... //client/..." &&
+	(
+		cd "$cli" &&
+		p4 delete file4.bin &&
+		p4 submit -d "Remove file"
+	) &&
+
+	client_view "//depot/... //client/..." &&
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init . &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem GitLFS &&
+		git config git-p4.largeFileThreshold 24 &&
+		git p4 clone --destination="$git" //depot@all &&
+
+		test_file_in_lfs file2.dat 25 "content 2-3 bin 25 bytes" &&
+		test_file_in_lfs "path with spaces/file3.bin" 25 "content 2-3 bin 25 bytes" &&
+		test_path_is_missing file4.bin &&
+		test_file_count_in_dir ".git/lfs/objects" 2 &&
+
+		cat >expect <<-\EOF &&
+
+		#
+		# Git LFS (see https://git-lfs.github.com/)
+		#
+		/file2.dat filter=lfs -text
+		/path[[:space:]]with[[:space:]]spaces/file3.bin filter=lfs -text
+		EOF
+		test_path_is_file .gitattributes &&
+		test_cmp expect .gitattributes
+	)
+'
+
+test_expect_success 'Add .gitattributes and store files in LFS based on size (>24 bytes)' '
+	client_view "//depot/... //client/..." &&
+	(
+		cd "$cli" &&
+		echo "*.txt text" >.gitattributes &&
+		p4 add .gitattributes &&
+		p4 submit -d "Add .gitattributes"
+	) &&
+
+	client_view "//depot/... //client/..." &&
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init . &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem GitLFS &&
+		git config git-p4.largeFileThreshold 24 &&
+		git p4 clone --destination="$git" //depot@all &&
+
+		test_file_in_lfs file2.dat 25 "content 2-3 bin 25 bytes" &&
+		test_file_in_lfs "path with spaces/file3.bin" 25 "content 2-3 bin 25 bytes" &&
+		test_path_is_missing file4.bin &&
+		test_file_count_in_dir ".git/lfs/objects" 2 &&
+
+		cat >expect <<-\EOF &&
+		*.txt text
+
+		#
+		# Git LFS (see https://git-lfs.github.com/)
+		#
+		/file2.dat filter=lfs -text
+		/path[[:space:]]with[[:space:]]spaces/file3.bin filter=lfs -text
+		EOF
+		test_path_is_file .gitattributes &&
+		test_cmp expect .gitattributes
+	)
+'
+
+test_expect_success 'Add big files to repo and store files in LFS based on compressed size (>28 bytes)' '
+	client_view "//depot/... //client/..." &&
+	(
+		cd "$cli" &&
+		echo "content 5 bin 40 bytes XXXXXXXXXXXXXXXX" >file5.bin &&
+		p4 add file5.bin &&
+		p4 submit -d "Add file with small footprint after compression" &&
+
+		echo "content 6 bin 39 bytes XXXXXYYYYYZZZZZ" >file6.bin &&
+		p4 add file6.bin &&
+		p4 submit -d "Add file with large footprint after compression"
+	) &&
+
+	client_view "//depot/... //client/..." &&
+	test_when_finished cleanup_git &&
+	(
+		cd "$git" &&
+		git init . &&
+		git config git-p4.useClientSpec true &&
+		git config git-p4.largeFileSystem GitLFS &&
+		git config git-p4.largeFileCompressedThreshold 28 &&
+		# We only import HEAD here ("@all" is missing!)
+		git p4 clone --destination="$git" //depot &&
+
+		test_file_in_lfs file6.bin 13 "content 6 bin 39 bytes XXXXXYYYYYZZZZZ"
+		test_file_count_in_dir ".git/lfs/objects" 1 &&
+
+		cat >expect <<-\EOF &&
+		*.txt text
+
+		#
+		# Git LFS (see https://git-lfs.github.com/)
+		#
+		/file6.bin filter=lfs -text
+		EOF
+		test_path_is_file .gitattributes &&
+		test_cmp expect .gitattributes
+	)
+'
+
+test_expect_success 'kill p4d' '
+	kill_p4d
+'
+
+test_done
-- 
2.5.1

Re: [PATCH v8 0/7] git-p4: add support for large file systems

[Junio C Hamano]

larsxschneider@gmail.com writes:

> From: Lars Schneider <larsxschneider@gmail.com>
>
> diff to v7:
> * fix commit message line length (thanks Junio)
> * fix sync command for large file system support (thanks Luke!)
> * add test case for sync command
> * rename git-p4.pushLargeFiles to git-p4.largeFilePush for consistency with
>   other git-p4.largeFile* configs
> * fix relative path handling for clone operation which caused a crash in the
>   disk space check and t9819 (thanks Luke!)
> * use test_path_is_missing instead of !test_path_is_file (thanks Luke!)

Thanks.  Also v7's 5/7 had what should have been part of 6/7,
resulting in double assignemnt to largeFileSystemConstructor, but
this reroll seems to fix that.

Will queue.

>
> The patch is again based on maint (ee6ad5f) as patches v1-v6 before.
>
> Cheers,
> Lars
>
> Lars Schneider (7):
>   git-p4: add optional type specifier to gitConfig reader
>   git-p4: add gitConfigInt reader
>   git-p4: return an empty list if a list config has no values
>   git-p4: add file streaming progress in verbose mode
>   git-p4: check free space during streaming
>   git-p4: add support for large file systems
>   git-p4: add Git LFS backend for large file system
>
>  Documentation/git-p4.txt   |  32 +++++
>  git-p4.py                  | 270 +++++++++++++++++++++++++++++++++++++++---
>  t/t9823-git-p4-mock-lfs.sh | 192 ++++++++++++++++++++++++++++++
>  t/t9824-git-p4-git-lfs.sh  | 288 +++++++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 766 insertions(+), 16 deletions(-)
>  create mode 100755 t/t9823-git-p4-mock-lfs.sh
>  create mode 100755 t/t9824-git-p4-git-lfs.sh
>
> --
> 2.5.1

Re: [PATCH v8 0/7] git-p4: add support for large file systems

[Luke Diamand]

On 26 September 2015 at 08:54,  <larsxschneider@gmail.com> wrote:
> From: Lars Schneider <larsxschneider@gmail.com>
>
> diff to v7:
> * fix commit message line length (thanks Junio)
> * fix sync command for large file system support (thanks Luke!)
> * add test case for sync command
> * rename git-p4.pushLargeFiles to git-p4.largeFilePush for consistency with
>   other git-p4.largeFile* configs
> * fix relative path handling for clone operation which caused a crash in the
>   disk space check and t9819 (thanks Luke!)
> * use test_path_is_missing instead of !test_path_is_file (thanks Luke!)
>
> The patch is again based on maint (ee6ad5f) as patches v1-v6 before.


All looks good to me, Ack.

One tiny thing perhaps Junio could comment on: the git commit message
for 75abe9fa5b39980de27dfc33dd5b4f4b5926f34c, "git-p4: add optional
type specifier to gitConfig reader" uses what looks like UTF-8 encoded
left and right quotes, rather than regular ASCII quotes ("). I don't
know if that matters.

Thanks,
Luke


>
> Cheers,
> Lars
>
> Lars Schneider (7):
>   git-p4: add optional type specifier to gitConfig reader
>   git-p4: add gitConfigInt reader
>   git-p4: return an empty list if a list config has no values
>   git-p4: add file streaming progress in verbose mode
>   git-p4: check free space during streaming
>   git-p4: add support for large file systems
>   git-p4: add Git LFS backend for large file system
>
>  Documentation/git-p4.txt   |  32 +++++
>  git-p4.py                  | 270 +++++++++++++++++++++++++++++++++++++++---
>  t/t9823-git-p4-mock-lfs.sh | 192 ++++++++++++++++++++++++++++++
>  t/t9824-git-p4-git-lfs.sh  | 288 +++++++++++++++++++++++++++++++++++++++++++++
>  4 files changed, 766 insertions(+), 16 deletions(-)
>  create mode 100755 t/t9823-git-p4-mock-lfs.sh
>  create mode 100755 t/t9824-git-p4-git-lfs.sh
>
> --
> 2.5.1
>

Re: [PATCH v8 0/7] git-p4: add support for large file systems

[Junio C Hamano]

Luke Diamand <luke@diamand.org> writes:

> On 26 September 2015 at 08:54,  <larsxschneider@gmail.com> wrote:
>> From: Lars Schneider <larsxschneider@gmail.com>
>>
>> diff to v7:
>> * fix commit message line length (thanks Junio)
>> * fix sync command for large file system support (thanks Luke!)
>> * add test case for sync command
>> * rename git-p4.pushLargeFiles to git-p4.largeFilePush for consistency with
>>   other git-p4.largeFile* configs
>> * fix relative path handling for clone operation which caused a crash in the
>>   disk space check and t9819 (thanks Luke!)
>> * use test_path_is_missing instead of !test_path_is_file (thanks Luke!)
>>
>> The patch is again based on maint (ee6ad5f) as patches v1-v6 before.
>
>
> All looks good to me, Ack.
>
> One tiny thing perhaps Junio could comment on: the git commit message
> for 75abe9fa5b39980de27dfc33dd5b4f4b5926f34c, "git-p4: add optional
> type specifier to gitConfig reader" uses what looks like UTF-8 encoded
> left and right quotes, rather than regular ASCII quotes ("). I don't
> know if that matters.

Yeah, I noticed them, too.  In general, I'd prefer to avoid these
pretty-quotes myself, as they typically do not add much information
(unless nesting matters, which is usually not the case in the log
message, or something) and the primary effect of them is to force us
to step outside ASCII, which causes editors and pagers to misalign
for some people.

But it is not too huge an issue that it is worth to go back and fix
them, either.

Thanks.

Re: [PATCH v8 0/7] git-p4: add support for large file systems

[Junio C Hamano]

Junio C Hamano <gitster@pobox.com> writes:

> Luke Diamand <luke@diamand.org> writes:
>
>> All looks good to me, Ack.
>>
>> One tiny thing perhaps Junio could comment on: the git commit message
>> for 75abe9fa5b39980de27dfc33dd5b4f4b5926f34c, "git-p4: add optional
>> type specifier to gitConfig reader" uses what looks like UTF-8 encoded
>> left and right quotes, rather than regular ASCII quotes ("). I don't
>> know if that matters.
>
> Yeah, I noticed them, too.  In general, I'd prefer to avoid these
> pretty-quotes myself, as they typically do not add much information
> (unless nesting matters, which is usually not the case in the log
> message, or something) and the primary effect of them is to force us
> to step outside ASCII, which causes editors and pagers to misalign
> for some people.
>
> But it is not too huge an issue that it is worth to go back and fix
> them, either.

Well, I looked at it again and it also replaced double-dash before
option names like --bool and --int with something funny (are these
em-dashes?), which is a more serious bogosity than pretty quotes, so
I ended up amending the message for that commit after all.

Thanks.

Re: [PATCH v8 0/7] git-p4: add support for large file systems

[Lars Schneider]

On 03 Oct 2015, at 10:23, Junio C Hamano <gitster@pobox.com> wrote:

> Junio C Hamano <gitster@pobox.com> writes:
> 
>> Luke Diamand <luke@diamand.org> writes:
>> 
>>> All looks good to me, Ack.
>>> 
>>> One tiny thing perhaps Junio could comment on: the git commit message
>>> for 75abe9fa5b39980de27dfc33dd5b4f4b5926f34c, "git-p4: add optional
>>> type specifier to gitConfig reader" uses what looks like UTF-8 encoded
>>> left and right quotes, rather than regular ASCII quotes ("). I don't
>>> know if that matters.
>> 
>> Yeah, I noticed them, too.  In general, I'd prefer to avoid these
>> pretty-quotes myself, as they typically do not add much information
>> (unless nesting matters, which is usually not the case in the log
>> message, or something) and the primary effect of them is to force us
>> to step outside ASCII, which causes editors and pagers to misalign
>> for some people.
>> 
>> But it is not too huge an issue that it is worth to go back and fix
>> them, either.
> 
> Well, I looked at it again and it also replaced double-dash before
> option names like --bool and --int with something funny (are these
> em-dashes?), which is a more serious bogosity than pretty quotes, so
> I ended up amending the message for that commit after all.
> 
Oh. This was not intentional. I wonder how that happened. I will watch out for it in the future.

Thanks for fixing,
Lars