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"git p4" now honors init.defaultBranch configuration.
* js/p4-default-branch:
p4: respect init.defaultBranch
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In `git p4 clone`, we hard-code the branch name `master` instead of
looking what the _actual_ initial branch name is. Let's fix that.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix misspelled "specified" and "occurred" in documentation and
comments.
Signed-off-by: Marlon Rac Cambasis <marlonrc08@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Found-by: Liu Xuhui (Jackson) <Xuhui.Liu@amd.com>
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "--prepare-p4-only" option is supposed to stop after replaying
one changeset, but kept going (by mistake?)
* bk/p4-prepare-p4-only-fix:
git-p4.py: fix --prepare-p4-only error with multiple commits
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When using git p4 submit with the --prepare-p4-only option, the program
should prepare a single p4 changelist and notify the user that more
commits are pending and then stop processing.
A bug has been introduced by the p4-changelist hook feature that
causes the program to continue to try and process all pending
changelists at the same time.
The function applyCommit returns True when applying the commit
was successful and the program should continue. However, when the
optional flag --prepare-p4-only is set, the program should stop
after the first application.
Change the logic in the run method for P4Submit to check for the
flag --prepare-p4-only after successfully completing the applyCommit
method.
Be aware - this change will fix the existing test error in t9807.23
for --prepare-p4-only. However there is insufficent coverage for
this flag. If more than 1 commit is pending submission to P4, the
method will properly prepare the P4 changelist, however it will
still exit the application with an exitcode of 1.
The current documentation does not define what the exit code should be
in this condition.
(See: https://git-scm.com/docs/git-p4#Documentation/git-p4.txt---prepare-p4-only)
Signed-off-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Perforce allows you commit files and directories with the same name,
so you could have files //depot/foo and //depot/foo/bar both checked
in. A p4 sync of a repository in this state fails. Deleting one of
the files recovers the repository.
When this happens we want git-p4 to recover in the same way as
perforce.
Note that Perforce has this change in their 2017.1 version:
Bugs fixed in 2017.1
#1489051 (Job #2170) **
Submitting a file with the same name as an existing depot
directory path (or vice versa) will now be rejected.
so people hopefully will not creating damaged Perforce repos
anymore, but "git p4" needs to be able to interact with already
corrupt ones.
Signed-off-by: Andrew Oakley <andrew@adoakley.name>
Reviewed-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git p4" learned four new hooks and also "--no-verify" option to
bypass them (and the existing "p4-pre-submit" hook).
* bk/p4-pre-edit-changelist:
git-p4: add RCS keyword status message
git-p4: add p4 submit hooks
git-p4: restructure code in submit
git-p4: add --no-verify option
git-p4: add p4-pre-submit exit text
git-p4: create new function run_git_hook
git-p4: rewrite prompt to be Windows compatible
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Update "git p4" to work with Python 3.
* yz/p4-py3:
ci: use python3 in linux-gcc and osx-gcc and python2 elsewhere
git-p4: use python3's input() everywhere
git-p4: simplify regex pattern generation for parsing diff-tree
git-p4: use dict.items() iteration for python3 compatibility
git-p4: use functools.reduce instead of reduce
git-p4: fix freezing while waiting for fast-import progress
git-p4: use marshal format version 2 when sending to p4
git-p4: open .gitp4-usercache.txt in text mode
git-p4: convert path to unicode before processing them
git-p4: encode/decode communication with git for python3
git-p4: encode/decode communication with p4 for python3
git-p4: remove string type aliasing
git-p4: change the expansion test from basestring to list
git-p4: make python2.7 the oldest supported version
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During the p4 submit process, git-p4 will attempt to apply a patch
to the files found in the p4 workspace. However, if P4 uses RCS
keyword expansion, this patch may fail.
When the patch fails, the user is alerted to the failure and that git-p4
will attempt to clear the expanded text from the files and re-apply
the patch. The current version of git-p4 does not tell the user the
result of the re-apply attempt after the RCS expansion has been removed
which can be confusing.
Add a new print statement after the git patch has been successfully
applied when the RCS keywords have been cleansed.
Signed-off-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The git command "commit" supports a number of hooks that support
changing the behavior of the commit command. The git-p4.py program only
has one existing hook, "p4-pre-submit". This command occurs early in
the process. There are no hooks in the process flow for modifying
the P4 changelist text programmatically.
Adds 3 new hooks to git-p4.py to the submit option.
The new hooks are:
* p4-prepare-changelist - Execute this hook after the changelist file
has been created. The hook will be executed even if the
--prepare-p4-only option is set. This hook ignores the --no-verify
option in keeping with the existing behavior of git commit.
* p4-changelist - Execute this hook after the user has edited the
changelist. Do not execute this hook if the user has selected the
--prepare-p4-only option. This hook will honor the --no-verify,
following the conventions of git commit.
* p4-post-changelist - Execute this hook after the P4 submission process
has completed successfully. This hook takes no parameters and is
executed regardless of the --no-verify option. It's return value will
not be checked.
The calls to the new hooks: p4-prepare-changelist, p4-changelist,
and p4-post-changelist should all be called inside the try-finally
block.
Signed-off-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In preparation for adding new hooks to the submit method of git-p4,
restructure the applyCommit function in the P4Submit class. Make the
following changes:
* Move all the code after the definition of submitted = False into the
Try-Finally block. This ensures that any error that occurs will
properly recover. This is not necessary with the current code because
none of it should throw an exception, however the next set of changes
will introduce exceptional code.
Existing flow control can remain as defined - the if-block for
prepare-p4-only sets the local variable "submitted" to True and exits
the function. New early exits, leave submitted set to False so the
Finally block will undo changes to the P4 workspace.
* Make the small usability change of adding an empty string to the
print statements displayed to the user when the prepare-p4-only option
is selected. On Windows, the command print() may display a set of
parentheses "()" to the user when the print() function is called with
no parameters. By supplying an empty string, the intended blank line
will print as expected.
* Fix a small bug when the submittedTemplate is edited by the user
and all content in the file is removed. The existing code will throw
an exception if the separateLine is not found in the file. Change this
code to test for the separator line using a find() test first and only
split on the separator if it is found.
* Additionally, add the new behavior that if the changelist file has
been completely emptied that the Submit action for this changelist
will be aborted.
Signed-off-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add new command line option --no-verify:
Add a new command line option "--no-verify" to the Submit command of
git-p4.py. This option will function in the spirit of the existing
--no-verify command line option found in git commit. It will cause the
P4 Submit function to ignore the existing p4-pre-submit.
Change the execution of the existing trigger p4-pre-submit to honor the
--no-verify option. Before exiting on failure of this hook, display
text to the user explaining which hook has failed and the impact
of using the --no-verify option.
Change the call of the p4-pre-submit hook to use the new run_git_hook
function. This is in preparation of additional hooks to be added.
Signed-off-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When the p4-pre-submit exits with a non-zero exit code, the application
will abort the process with no additional information presented to the
user. This can be confusing for new users as it may not be clear that
the p4-pre-submit action caused the error.
Add text to explain why the program aborted the submit action.
Signed-off-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This commit is in preparation of introducing new p4 submit hooks.
The current code in the python script git-p4.py makes the assumption
that the git hooks can be executed by subprocess.call() function.
However, when git is run on Windows, this may not work as expected.
The subprocess.call() does not cover all the use cases for properly
executing the various types of executable files on Windows.
Prepare for remediation by adding a new function, run_git_hook, that
takes 2 parameters:
* the short filename of an optionally registered git hook
* an optional list of parameters
The run_git_hook function will honor the existing behavior seen in the
current code for executing the p4-pre-submit hook:
* Hooks are looked for in core.hooksPath directory.
* If core.hooksPath is not set, then the current .git/hooks directory
is checked.
* If the hook does not exist, the function returns True.
* If the hook file is not accessible, the function returns True.
* If the hook returns a zero exit code when executed, the function
return True.
* If the hook returns a non-zero exit code, the function returns False.
Add the following additional functionality if git-p4.py is run on
Windows.
* If hook file is not located without an extension, search for
any file in the associated hook directory (from the list above) that
has the same name but with an extension.
* If the file is still not found, return True (the hook is missing)
Add a new function run_hook_command() that wraps the OS dependent
functionality for actually running the subprocess.call() with OS
dependent behavior:
If a hook file exists on Windows:
* If there is no extension, set the launch executable to be SH.EXE
- Look for SH.EXE under the environmental variable EXEPATH in the
bin/ directory.
- If %EXEPATH%/bin/sh.exe exists, use this as the actual executable.
- If %EXEPATH%/bin/sh.exe does not exist, use sh.exe
- Execute subprocess.call() without the shell (shell=False)
* If there is an extension, execute subprocess.call() with teh shell
(shell=True) and consider the file to be the executable.
The return value from run_hook_command() is the subprocess.call()
return value.
These functions are added in this commit, but are only staged and not
yet used.
Signed-off-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The existing function prompt(prompt_text) does not work correctly when
run on Windows 10 bash terminal when launched from the sourcetree
GUI application. The stdout is not flushed properly so the prompt text
is not displayed to the user until the next flush of stdout, which is
quite confusing.
Change this method by:
* Adding flush to stderr, stdout, and stdin
* Use readline from sys.stdin instead of raw_input.
The existing strip().lower() are retained.
Signed-off-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Spotted by Eric Sunshine:
https://public-inbox.org/git/CAPig+cRx3hG64nuDie69o_gdX39F=sR6D8LyA7J1rCErgu0aMA@mail.gmail.com/
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Check we can talk to the remote host before starting the git-fastimport
subchild.
Otherwise we fail to connect, and then exit, leaving git-fastimport
still running since we did not wait() for it.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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After an error, git-p4 calls die(). This just exits, and leaves child
processes still running.
Instead of calling die(), raise an exception and catch it where the
child process(es) (git-fastimport) are created.
This was analyzed in detail here:
https://public-inbox.org/git/20190227094926.GE19739@szeder.dev/
This change does not address the particular issue of p4CmdList()
invoking a subchild and not waiting for it on error.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This makes it easier to try/catch around this block of code to ensure
cleanup following p4 failures is handled properly.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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manageable
pylint is incredibly useful for finding bugs, but git-p4 has never used
it, so there are a lot of warnings that while important, don't actually
result in bugs.
Let's turn those off for now, so we can get some useful output.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently when there is a P4 error, git-p4 calls die() which just exits.
This then leaves the git-fast-import process still running, and can even
leave p4 itself still running.
As a result, git-p4 fails to exit cleanly. This is a particular problem
for people running the unit tests in regression.
Use this exception to report errors upwards, cleaning up as the error
propagates.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Ensure that we can safely call self.closeStreams() multiple times, and
can also call it even if there is no git fast-import stream at all.
Signed-off-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Python3 deprecates raw_input() from 2.7 and replaced it with input().
Since we do not need 2.7's input() semantics, `raw_input()` is aliased
to `input()` for easy forward compatability.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is not clear why a generator was used to create the regex used to
parse git-diff-tree output; I assume an early implementation required
it, but is not part of the mainline change.
Simply use a lazily initialized global instead.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Reviewed-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Python3 uses dict.items() instead of .iteritems() to provide
iteratoration over dict. Although items() is technically less efficient
for python2.7 (allocates a new list instead of simply iterating), the
amount of data involved is very small and the penalty negligible.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Reviewed-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For python3, reduce() has been moved to functools.reduce(). This is
also available in python2.7.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As part of its importing process, git-p4 sends a `checkpoint` followed
immediately by `progress` to fast-import to force synchronization.
Due to buffering, it is possible for the `progress` command to not be
flushed before git-p4 begins to wait for the corresponding response.
This causes the script to freeze completely, and is consistently
observable at least on python-3.6.9.
Make sure this command sequence is completely flushed before waiting.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Reviewed-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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p4 does not appear to understand marshal format version 3 and above.
Version 2 was the latest supported by python-2.7.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Reviewed-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Opening .gitp4-usercache.txt in text mode makes python 3 happy without
explicitly adding encoding and decoding.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Reviewed-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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P4 allows essentially arbitrary encoding for path data while we would
perfer to be dealing only with unicode strings. Since path data need to
survive round-trip back to p4, this patch implements the general policy
that we store path data as-is, but decode them to unicode before doing
any non-trivial processing.
A new `decode_path()` method is provided that generally does the correct
conversion, taking into account `git-p4.pathEncoding` configuration.
For python2.7, path strings will be left as-is if it only contains ASCII
characters.
For python3, decoding is always done so that we have str objects.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Reviewed-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Under python3, calls to write() on the stream to `git fast-import` must
be encoded. This patch wraps the IO object such that this encoding is
done transparently.
Conversely, any text data read from subprocesses must also be decoded
before running through the rest of the pipeline.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Reviewed-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The marshalled dict in the response given on STDOUT by p4 uses `str` for
keys and string values. When run using python3, these values are
deserialized as `bytes`, leading to a whole host of problems as the rest
of the code assumes `str` is used throughout.
This patch changes the deserialization behaviour such that, as much as
possible, text output from p4 is decoded to native unicode strings.
Exceptions are made for the field `data` as it is usually arbitrary
binary data. `depotFile[0-9]*`, `path`, and `clientFile` are also exempt
as they contain path strings not encoded with UTF-8, and must survive
round-trip back to p4.
Conversely, text data being piped to p4 must always be encoded when
running under python3.
encode_text_stream() and decode_text_stream() were added to make these
transformations more convenient.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Now that python2.7 is the minimum required version and we no longer use
the basestring type, it is not necessary to use type aliasing to ensure
python3 compatibility.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Python 3 handles strings differently than Python 2.7. Since Python 2
is reaching it's end of life, a series of changes are being submitted to
enable python 3.5 and following support. The current code fails basic
tests under python 3.5.
Some codepaths can represent a command line the program
internally prepares to execute either as a single string
(i.e. each token properly quoted, concatenated with $IFS) or
as a list of argv[] elements, and there are 9 places where
we say "if X is isinstance(_, basestring), then do this
thing to handle X as a command line in a single string; if
not, X is a command line in a list form".
This does not work well with Python 3, as there is no
basestring (everything is Unicode now), and even with Python
2, it was not an ideal way to tell the two cases apart,
because an internally formed command line could have been in
a single Unicode string.
Flip the check to say "if X is not a list, then handle X as
a command line in a single string; otherwise treat it as a
command line in a list form".
This will get rid of references to 'basestring', to migrate
the code ready for Python 3.
Thanks-to: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Python2.6 and earlier have been end-of-life'd for many years now, and
we actually already use 2.7-only features in the code. Make the version
check reflect current realities.
This also removes the need to explicitly define CalledProcessError if
it's not available.
Signed-off-by: Yang Zhao <yang.zhao@skyboxlabs.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Miscellaneous small UX improvements on "git-p4".
* bk/p4-misc-usability:
git-p4: show detailed help when parsing options fail
git-p4: yes/no prompts should sanitize user text
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When a user provides invalid parameters to git-p4, the program
reports the failure but does not provide the correct command syntax.
Add an exception handler to the command-line argument parser to display
the command's specific command line parameter syntax when an exception
is thrown. Rethrow the exception so the current behavior is retained.
Signed-off-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When prompting the user interactively for direction, the tests are
not forgiving of user input format.
For example, the first query asks for a yes/no response. If the user
enters the full word "yes" or "no" or enters a capital "Y" the test
will fail.
Create a new function, prompt(prompt_text) where
* prompt_text is the text prompt for the user
* returns a single character where valid return values are
found by inspecting prompt_text for single characters
surrounded by square brackets
This new function must prompt the user for input and sanitize it by
converting the response to a lower case string, trimming leading and
trailing spaces, and checking if the first character is in the list
of choices. If it is, return the first letter.
Change the current references to raw_input() to use this new function.
Since the method requires the returned text to be one of the available
choices, remove the loop from the calling code that handles response
verification.
Thanks-to: Denton Liu <liu.denton@gmail.com>
Signed-off-by: Ben Keene <seraphire@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git lfs" allows users to specify the custom storage location with
the configuration variable `lfs.storage`, but when interacting with
GitLFS pointers, "git p4" always uses the hardcoded default that is
the `.git/lfs/` directory, without paying attention to the
configuration.
Use the value configured in `lfs.storage`, if exists, as all the
"git" operations do, for consistency.
Signed-off-by: r.burenkov <panzercheg@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Avoid double-open exceptions on Windows platform when
calculating for lfs compressed size threshold
(git-p4.largeFileCompressedThreshold) comparisons.
Take new approach using the NamedTemporaryFile()
file-like object as input to the ZipFile() which
auto-deletes after implicit close leaving with scope.
Original code had double-open exception on Windows
platform because file still open from NamedTemporaryFile()
using generated filename instead of object.
Thanks to Andrey for patiently suggesting several
iterations on this change for avoiding exceptions!
Also print error details after resulting IOError to make
debugging cause of exception less mysterious when it has
nothing to do with "git version recent enough."
Signed-off-by: Philip.McGraw <Philip.McGraw@bentley.com>
Reviewed-by: Andrey Mazo <ahippo@yandex.com>
Acked-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git p4" update.
* am/p4-branches-excludes:
git-p4: respect excluded paths when detecting branches
git-p4: add failing test for "git-p4: respect excluded paths when detecting branches"
git-p4: don't exclude other files with same prefix
git-p4: add failing test for "don't exclude other files with same prefix"
git-p4: don't groom exclude path list on every commit
git-p4: match branches case insensitively if configured
git-p4: add failing test for "git-p4: match branches case insensitively if configured"
git-p4: detect/prevent infinite loop in gitCommitByP4Change()
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The command line to invoke a "git cat-file" command from inside
"git p4" was not properly quoted to protect a caret and running a
broken command on Windows, which has been corrected.
* mm/p4-unshelve-windows-fix:
p4 unshelve: fix "Not a valid object name HEAD0" on Windows
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git p4 unshelve was failing with these errors:
fatal: Not a valid object name HEAD0
Command failed: git cat-file commit HEAD^0
(git version 2.21.0.windows.1, python 2.7.16)
The pOpen call used by git-p4 to invoke the git command can take either a
string or an array as a first argument. The array form is preferred
because platform-specific escaping of special characters will be
handled automatically.(https://docs.python.org/2/library/subprocess.html)
The extractLogMessageFromGitCommit method was, however, using the string
form and so the caret (^) character in the HEAD^0 argument was not being
escaped on Windows. The caret happens to be the escape character, which
is why the git command was receiving HEAD0.
The behaviour can be confirmed by typing ECHO HEAD^0 at the command-
prompt, which emits HEAD0.
The solution is simply to use the array format of passing the command to
fOpen, which is recommended and used in other parts of this code anyway.
Signed-off-by: Mike Mueller <mike.mueller@moodys.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When unshelving a changelist, git-p4 tries to work out the appropriate
parent commit in a given branch (default: HEAD). To do this, it looks
at the state of any pre-existing files in the target Perforce branch,
omitting files added in the shelved changelist. Currently, only files
added (or move targets) are classed as new. However, files integrated
from other branches (i.e. a 'branch' action) also need to be considered
as added, for this purpose.
Signed-off-by: Simon Williams <simon@no-dns-yet.org.uk>
Acked-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently, excluded paths are only handled in the following cases:
* no branch detection;
* branch detection with using clientspec.
However, excluded paths are not respected in case of
branch detection without using clientspec.
Fix this by consulting the list of excluded paths
when splitting files across branches.
Signed-off-by: Andrey Mazo <amazo@checkvideo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Make sure not to exclude files unintentionally
if exclude paths are specified without a trailing /.
I.e., don't exclude "//depot/file_dont_exclude" if run with "-//depot/file".
Do this by ensuring that paths without a trailing "/" are only matched completely.
Also, abort path search on the first match as a micro-optimization.
Signed-off-by: Andrey Mazo <amazo@checkvideo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently, `cloneExclude` array is being groomed (by removing trailing "...")
on every changeset.
(since `extractFilesFromCommit()` is called on every imported changeset)
As a micro-optimization, do it once while parsing arguments.
Also, prepend "/" and remove trailing "..." at the same time.
Signed-off-by: Andrey Mazo <amazo@checkvideo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-p4 knows how to handle case insensitivity in file paths
if core.ignorecase is set.
However, when determining a branch for a file,
it still does a case-sensitive prefix match.
This may result in some file changes to be lost on import.
For example, given the following commits
1. add //depot/main/file1
2. add //depot/DirA/file2
3. add //depot/dira/file3
4. add //depot/DirA/file4
and "branchList = main:DirA" branch mapping,
commit 3 will be lost.
So, do branch search case insensitively if running with core.ignorecase set.
Teach splitFilesIntoBranches() to use the p4PathStartsWith() function
for path prefix matches instead of always case-sensitive match.
Signed-off-by: Andrey Mazo <amazo@checkvideo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Under certain circumstances, gitCommitByP4Change() can enter an infinite
loop resulting in `git p4 sync` hanging forever.
The problem is that
`git rev-list --bisect <latest> ^<earliest>` can return `<latest>`,
which would result in reinspecting <latest> and potentially an infinite loop.
This can happen when importing just a subset of P4 repository
and/or with explicit "--changesfile" option.
A real-life example:
"""
looking in ref refs/remotes/p4/mybranch for change 26894 using bisect...
Reading pipe: git rev-parse refs/remotes/p4/mybranch
trying: earliest latest 4daff81c520a82678e1ef347f2b5e97258101ae1
Reading pipe: git rev-list --bisect 4daff81c520a82678e1ef347f2b5e97258101ae1
Reading pipe: git cat-file commit 147f5d3292af2e1cc4a56a7b96db845144c68486
current change 25339
trying: earliest ^147f5d3292af2e1cc4a56a7b96db845144c68486 latest 4daff81c520a82678e1ef347f2b5e97258101ae1
Reading pipe: git rev-list --bisect 4daff81c520a82678e1ef347f2b5e97258101ae1 ^147f5d3292af2e1cc4a56a7b96db845144c68486
Reading pipe: git cat-file commit 51db83df9d588010d0bd995641c85aa0408a5bb9
current change 25420
trying: earliest ^51db83df9d588010d0bd995641c85aa0408a5bb9 latest 4daff81c520a82678e1ef347f2b5e97258101ae1
Reading pipe: git rev-list --bisect 4daff81c520a82678e1ef347f2b5e97258101ae1 ^51db83df9d588010d0bd995641c85aa0408a5bb9
Reading pipe: git cat-file commit e8f83909ceb570f5a7e48c2853f3c5d8207cea52
current change 25448
trying: earliest ^e8f83909ceb570f5a7e48c2853f3c5d8207cea52 latest 4daff81c520a82678e1ef347f2b5e97258101ae1
Reading pipe: git rev-list --bisect 4daff81c520a82678e1ef347f2b5e97258101ae1 ^e8f83909ceb570f5a7e48c2853f3c5d8207cea52
Reading pipe: git cat-file commit 09a48eb7acd594dce52e06681be9c366e1844d66
current change 25521
trying: earliest ^09a48eb7acd594dce52e06681be9c366e1844d66 latest 4daff81c520a82678e1ef347f2b5e97258101ae1
Reading pipe: git rev-list --bisect 4daff81c520a82678e1ef347f2b5e97258101ae1 ^09a48eb7acd594dce52e06681be9c366e1844d66
Reading pipe: git cat-file commit 4daff81c520a82678e1ef347f2b5e97258101ae1
current change 26907
trying: earliest ^09a48eb7acd594dce52e06681be9c366e1844d66 latest 4daff81c520a82678e1ef347f2b5e97258101ae1
Reading pipe: git rev-list --bisect 4daff81c520a82678e1ef347f2b5e97258101ae1 ^09a48eb7acd594dce52e06681be9c366e1844d66
Reading pipe: git cat-file commit 4daff81c520a82678e1ef347f2b5e97258101ae1
current change 26907
trying: earliest ^09a48eb7acd594dce52e06681be9c366e1844d66 latest 4daff81c520a82678e1ef347f2b5e97258101ae1
Reading pipe: git rev-list --bisect 4daff81c520a82678e1ef347f2b5e97258101ae1 ^09a48eb7acd594dce52e06681be9c366e1844d66
Reading pipe: git cat-file commit 4daff81c520a82678e1ef347f2b5e97258101ae1
current change 26907
...
"""
The fix is two-fold:
* detect an infinite loop and die right away
instead of looping forever;
* make sure, `git rev-list --bisect` can't return "latestCommit" again
by excluding it from the rev-list range explicitly.
Signed-off-by: Andrey Mazo <amazo@checkvideo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Johannes Schindelin
Marlon Rac Cambasis
Luke Diamand
Ben Keene
Andrew Oakley
Yang Zhao
r.burenkov
Philip.McGraw
Mike Mueller
Simon Williams
Mazo, Andrey