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Remove a few commands from "git p4" that aren't very useful.
* jh/p4-remove-unused:
git-p4: remove "rollback" verb
git-p4: remove "debug" verb
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The way "git p4" shows file sizes in its output has been updated to
use human-readable units.
* jh/p4-human-unit-numbers:
git-p4: show progress as an integer
git-p4: print size values in appropriate units
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The "rollback" verb implements a simple algorithm which takes the set of
remote perforce tracker branches, or optionally, the complete collection
of local branches in a git repository, and deletes commits from these
branches until there are no commits left with a perforce change number
greater than than a user-specified change number. If the base of a git
branch has a newer change number than the user-specified maximum, then
the branch is deleted.
In future, there might be an argument for the addition of some kind of
"reset this branch back to a given perforce change number" verb for
git-p4. However, in its current form it is unlikely to be useful to
users for the following reasons:
* The verb is completely undocumented. The only description provided
contains the following text: "A tool to debug the multi-branch
import. Don't use :)".
* The verb has a very narrow purpose in that it applies the rollback
operation to fixed sets of branches - either all remote p4 branches,
or all local branches. There is no way for users to specify branches
with more granularity, for example, allowing users to specify a
single branch or a set of branches. The utility of the current
implementation is therefore a niche within a niche.
Given these shortcomings, this patch removes the verb from git-p4.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The git-p4 "debug" verb is described as "A tool to debug the output of
p4 -G".
The verb is not documented in any detail, but implements a function
which executes an arbitrary p4 command with the -G flag, which causes
perforce to format all output as marshalled Python dictionary objects.
The verb was implemented early in the history of git-p4, and may once
have served a useful purpose to the authors in the early stages of
development. However, the "debug" verb is no longer being used by the
current developers (and users) of git-p4, and whatever purpose the verb
previously offered is easily replaced by invoking p4 directly.
This patch therefore removes the verb from git-p4.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When importing files from Perforce, git-p4 periodically logs the
progress of file transfers as a percentage. However, the value is
printed as a float with an excessive number of decimal places.
For example a typical update might contain the following message:
Importing revision 12345 (26.199617677553135%)
This patch simply rounds the value down to the nearest integer
percentage value, greatly improving readability.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Acked-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The git-p4 script reports file sizes in various log messages.
Previously, in each case the script would print them as the number of
bytes divided by 1048576 i.e. the size in mebibytes, rounded down to an
integer. This resulted in small files being described as having a size
of "0 MB".
This patch replaces the existing behaviour with a new helper function:
format_size_human_readable, which takes a number of bytes (or any other
quantity), and computes the appropriate prefix to use: none, Ki, Mi, Gi,
Ti, Pi, Ei, Zi, Yi.
For example, a size of 123456 will now be printed as "120.6 KiB" greatly
improving the readability of the log output.
Large valued prefixes such as pebi, exbi, zebi and yobi are included for
completeness, though they not expected to appear in any real-world
Perforce repository!
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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RCS keywords are strings that are replaced with information from
Perforce. Examples include $Date$, $Author$, $File$, $Change$ etc.
Perforce resolves these by expanding them with their expanded values
when files are synced, but Git's data model requires these expanded
values to be converted back into their unexpanded form.
Previously, git-p4.py would implement this behaviour through the use of
regular expressions. However, the regular expression substitution was
applied using decoded strings i.e. the content of incoming commit diffs
was first decoded from bytes into UTF-8, processed with regular
expressions, then converted back to bytes.
Not only is this behaviour inefficient, but it is also a cause of a
common issue caused by text files containing invalid UTF-8 data. For
files created in Windows, CP1252 Smart Quote Characters (0x93 and 0x94)
are seen fairly frequently. These codes are invalid in UTF-8, so if the
script encountered any file containing them, on Python 2 the symbols
will be corrupted, and on Python 3 the script will fail with an
exception.
This patch replaces this decoding/encoding with bytes object regular
expressions, so that the substitution is performed directly upon the
source data with no conversions.
A test for smart quote handling has been added to the
t9810-git-p4-rcs.sh test suite.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The patchRCSKeywords method creates a temporary file in which to store
the patched output data. Previously this file was opened in "w+" mode
(write and read), but the code never reads the contents of the file
while open, so it only needs to be opened in "w" mode (write-only).
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Previously the read_lines function always decoded the result lines. In
order to improve support for non-decoded binary processing of data in
git-p4.py, this patch adds a raw option to the function that allows
decoding to be disabled.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Previously git-p4.py would compile one of two regular expressions for
ever RCS keyword-enabled file. This patch improves simplifies the code
by pre-compiling the two regular expressions when the script first
loads.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Python with statements are used to wrap the execution of a block of code
so that an object can be safely released when execution leaves the
scope.
They are desirable for improving code tidyness, and to ensure that
objects are properly destroyed even when exceptions are thrown.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If the submit contain binary files, it will throw exception and stop submit when try to append diff line description.
This commit will skip non-text data files when exception UnicodeDecodeError thrown.
The skip will not affect actual submit files in the resulting cl,
the diff line description will only appear in submit template,
so you can review what changed before actully submit to p4.
I don't know if add any message here will be helpful for users,
so I choose to just skip binary content, since it already append filename previously.
Signed-off-by: dorgon.chang <dorgonman@hotmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For every new branch that git-p4 imports, it needs to find the commit
where it branched off its parent branch. While p4 doesn't record this
information explicitly, the first changelist on a branch is usually an
identical copy of the parent branch.
The method searchParent() tries to find a commit in the history of the
given "parent" branch whose tree exactly matches the initial changelist
of the new branch, "target". The code iterates through the parent
commits and compares each of them to this initial changelist using
diff-tree.
Since we already know the tree object name we are looking for, spawning
diff-tree for each commit is wasteful.
Use the "--format" option of "rev-list" to find out the tree object name
of each commit in the history, and find the tree whose name is exactly
the same as the tree of the target commit to optimize this.
This results in a considerable speed-up, at least on Windows. On one
Windows machine with a fairly large repository of about 16000 commits in
the parent branch, the current code takes over 7 minutes, while the new
code only takes just over 10 seconds for the same changelist:
Before:
$ time git p4 sync
Importing from/into multiple branches
Depot paths: //depot
Importing revision 31274 (100.0%)
Updated branches: b1
real 7m41.458s
user 0m0.000s
sys 0m0.077s
After:
$ time git p4 sync
Importing from/into multiple branches
Depot paths: //depot
Importing revision 31274 (100.0%)
Updated branches: b1
real 0m10.235s
user 0m0.000s
sys 0m0.062s
Signed-off-by: Joachim Kuebart <joachim.kuebart@gmail.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Luke Diamand <luke@diamand.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Text encoding fix for "git p4".
* dl/p4-encode-after-kw-expansion:
git-p4: fix syncing file types with pattern
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Example of pattern file type: text+k
Text filtered through the p4 pattern regexp must be converted from
string back to bytes, otherwise 'data' command for the fast-import
will receive extra invalid characters, followed by the fast-import
process error.
CC: Yang Zhao <yang.zhao@skyboxlabs.com>
Signed-off-by: Daniel Levin <dendy.ua@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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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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Junio C Hamano
Joel Holdsworth
dorgon.chang
Joachim Kuebart
Daniel Levin
Johannes Schindelin
Marlon Rac Cambasis
Luke Diamand
Ben Keene
Andrew Oakley
Yang Zhao