| Commit message (Collapse) | Author | Age | Files | Lines |
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"git p4" did not handle non-ASCII client name well, which has been
corrected.
source: <pull.1285.v3.git.git.1658394440.gitgitgadget@gmail.com>
* kk/p4-client-name-encoding-fix:
git-p4: refactoring of p4CmdList()
git-p4: fix bug with encoding of p4 client name
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The function p4CmdList executes a Perforce command and
decodes the marshalled python dictionary. Special care has to be
taken for certain dictionary values which contain non-unicode characters.
The old handling contained separate hacks for each of the corresponding
dictionary keys. This commit tries to refactor the coding to handle the
special cases uniformely.
Signed-off-by: Kilian Kilger <kkilger@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The Perforce client name can contain arbitrary characters
which do not decode to UTF-8. Use the fallback strategy
implemented in metadata_stream_to_writable_bytes() also
for the client name.
Signed-off-by: Kilian Kilger <kkilger@gmail.com>
Reviewed-by: Tao Klerks <tao@klerks.biz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git p4" working on UTF-16 files on Windows did not implement
CRLF-to-LF conversion correctly, which has been corrected.
* mb/p4-utf16-crlf:
git-p4: fix CR LF handling for utf16 files
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Perforce silently replaces LF with CR LF for "utf16" files if the client
is a native Windows client. Since git's autocrlf logic does not undo
this transformation for UTF-16 encoded files, git-p4 replaces CR LF with
LF during the sync if the file type "utf16" is detected and the Perforce
client platform indicates that this conversion is performed.
Windows only runs on little-endian architectures, therefore the encoding
of the byte stream received from the Perforce client is UTF-16-LE and
the relevant byte sequence is 0D 00 0A 00.
Signed-off-by: Moritz Baumann <moritz.baumann@sap.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The error handling code path is meant to be triggered when the loop does
not exit early via "break". This fails, as the boolean variable "found",
which is used to track whether the loop was exited early, is initialized
incorrectly.
It would be possible to fix this issue by correcting the initialization,
but Python supports a for:-else: control flow construct for this exact
use case (executing code if a loop does not exit early), so it is more
idiomatic to remove the tracking variable entirely.
In addition, the error message no longer refers to a variable that does
not exist.
Signed-off-by: Moritz Baumann <moritz.baumann@sap.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Moritz Baumann <moritz.baumann@sap.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git p4" updates.
* tk/p4-metadata-coding-strategies:
git-p4: improve encoding handling to support inconsistent encodings
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git-p4 is designed to run correctly under python2.7 and python3, but
its functional behavior wrt importing user-entered text differs across
these environments:
Under python2, git-p4 "naively" writes the Perforce bytestream into git
metadata (and does not set an "encoding" header on the commits); this
means that any non-utf-8 byte sequences end up creating invalidly-encoded
commit metadata in git.
Under python3, git-p4 attempts to decode the Perforce bytestream as utf-8
data, and fails badly (with an unhelpful error) when non-utf-8 data is
encountered.
Perforce clients (especially p4v) encourage user entry of changelist
descriptions (and user full names) in OS-local encoding, and store the
resulting bytestream to the server unmodified - such that different
clients can end up creating mutually-unintelligible messages. The most
common inconsistency, in many Perforce environments, is likely to be utf-8
(typical in linux) vs cp-1252 (typical in windows).
Make the changelist-description- and user-fullname-handling code
python-runtime-agnostic, introducing three "strategies" selectable via
config:
- 'passthrough', behaving as previously under python2,
- 'strict', behaving as previously under python3, and
- 'fallback', favoring utf-8 but supporting a secondary encoding when
utf-8 decoding fails, and finally escaping high-range bytes if the
decoding with the secondary encoding also fails.
Keep the python2 default behavior as-is ('legacy' strategy), but switch
the python3 default strategy to 'fallback' with default fallback encoding
'cp1252'.
Also include tests exercising these encoding strategies, documentation for
the new config, and improve the user-facing error messages when decoding
does fail.
Signed-off-by: Tao Klerks <tao@klerks.biz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git p4" update.
* kf/p4-multiple-remotes:
git-p4: fix issue with multiple perforce remotes
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Single perforce branch might be sync'ed multiple times with different
revision numbers, so it will be seen to Git as complete different
commits. This can be done by the following command:
git p4 sync --branch=NAME //perforce/path...
It is assumed, that this command applied multiple times and
peforce repository changes between command invocations.
In such situation, git p4 will see multiple perforce branches with
same name and different revision numbers. The problem is that to make
a shelve, git-p4 script will try to find "origin" branch, if not
specified in command line explicitly. And previously script selected
any branch with same name and don't mention particular revision number.
Later this may cause failure of the command "git diff-tree -r $rev^ $rev",
so shelve can't be created (due to wrong origin branch/commit).
This commit fixes the heuristic by which git p4 selects origin branch:
first it tries to select branch with same perforce path and perforce
revision, and if it fails, then selects branch with only same perforce
path (ignoring perforce revision number).
Signed-off-by: Kirill Frolov <k.frolov@samsung.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git p4" update.
* tk/p4-with-explicity-sync:
git-p4: support explicit sync of arbitrary existing git-p4 refs
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With the --branch argument of the "sync" subcommand, git-p4 enables
you to import a perforce branch/path to an arbitrary git ref, using
a full ref path, or to refs/remotes/p4/* or refs/heads/p4/*,
depending on --import-local, using a short ref name.
However, when you later want to explicitly sync such a given ref to
pick up subsequent p4 changes, it only works if the ref was placed
in the p4 path *and* has only one path component (no "/").
This limitation results from a bad assumption in the
existing-branch sync logic, and also means you cannot individually
sync branches detected by --detect-branches, as these also get a
"/" in their names.
Fix "git p4 sync --branch", when called with an existing ref, so
that it works correctly regardless of whether the ref is in the p4
path or not, and (in the case of refs in the p4 path) regardless of
whether it has a "/" in its short name or not.
Also add tests to validate that these branch-specific syncs work
as expected.
Signed-off-by: Tao Klerks <tao@klerks.biz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git p4" update.
* tk/p4-utf8-bom:
git-p4: preserve utf8 BOM when importing from p4 to git
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Perforce has a file type "utf8" which represents a text file with
explicit BOM. utf8-encoded files *without* BOM are stored as
regular file type "text". The "utf8" file type behaves like text
in all but one important way: it is stored, internally, without
the leading 3 BOM bytes.
git-p4 has historically imported utf8-with-BOM files (files stored,
in Perforce, as type "utf8") the same way as regular text files -
losing the BOM in the process.
Under most circumstances this issue has little functional impact,
as most systems consider the BOM to be optional and redundant, but
this *is* a correctness failure, and can have lead to practical
issues for example when BOMs are explicitly included in test files,
for example in a file encoding test suite.
Fix the handling of utf8-with-BOM files when importing changes from
p4 to git, and introduce a test that checks it is working correctly.
Signed-off-by: Tao Klerks <tao@klerks.biz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 discourages the use of compound statements where there are multiple
statements on a single line in the "Other Recommendations" section:
https://www.python.org/dev/peps/pep-0008/#other-recommendations
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 recommends that all inline comments should be separated from code
by two spaces, in the "Inline Comments" section:
https://www.python.org/dev/peps/pep-0008/#inline-comments
However, because all instances of these inline comments extended to an
excessive line length, they have been moved onto a seprate line.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 recommends that blank lines should be used sparingly to separate
sections in the "Blank Lines" section:
https://www.python.org/dev/peps/pep-0008/#blank-lines
This patch replaces all double blank-line separations with a single
blank line.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 recommends that comparisons with singletons such as None should be
done with "is" and "is not", and never equality operators.
This guideline is described here:
https://www.python.org/dev/peps/pep-0008/#programming-recommendations
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 recommends that when wrapping the arguments of conditional
statements, an extra level of indentation should be added to distinguish
arguments from the body of the statement.
This guideline is described here:
https://www.python.org/dev/peps/pep-0008/#indentation
This patch either adds the indentation, or removes unnecessary wrapping.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 requires that binary operators such as assignment and comparison
operators should always be surrounded by a pair of single spaces, and
recommends that all other binary operators should typically be surround
by single spaces.
The recommendation is given here in the "Other Recommendations"
section
https://www.python.org/dev/peps/pep-0008/#other-recommendations
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 recommends that every comment should begin with a single '#'
character.
This guideline is described here:
https://www.python.org/dev/peps/pep-0008/#comments
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 makes no specific recommendation about spaces preceding colons in
dictionary declarations, but all the code examples contained with it
declare dictionaries with a single space after the colon, and none
before.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 recommends that backslash line continuations should only be used
for line-breaks outside parentheses.
This recommendation is described in the "Maximum Line Length" section:
https://www.python.org/dev/peps/pep-0008/#maximum-line-length
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 recommends that there should be no spaces before function arguments
in the in the "Pet Peeves" section:
https://www.python.org/dev/peps/pep-0008/#pet-peeves
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch improves consistency across git-p4 by ensuring all command
separated arguments to function invocations, tuples and lists are
separated by commas with a single space following.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In several places, git-p4 contains code of the form:
(a, b) = foo()
In each case, multiple values are returned through a tuple or a list and
bound into multiple values.
The brackets around the assigned variables are redundant and can be
removed:
a, b = foo()
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 recommends that there should be no spaces around the = sign of
default argument values of functions.
This guideline is described here:
https://www.python.org/dev/peps/pep-0008/#other-recommendations
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 discourages use of extraneous padding inside any parenthesis,
brackets or braces in the "Pet Peeves" section:
https://www.python.org/dev/peps/pep-0008/#pet-peeves
This patch removes all cases of these.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-p4 contains configuration commands for pylint embedded in the header
comment.
Previously, these were combined onto single lines and not alphabetically
sorted. This patch breaks each disable command onto a separate line to
give cleaner diffs, removed duplicate entries, and sorts the list
alphabetically.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Previously, the script contained commented code including Python 2 print
statements. Presumably, these were used as a developer aid at some point
in history. However, the commented code is generally undesirable, and
this commented code serves no useful purpose. Therefore this patch
removes it.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Previously, a small number of functions, methods and classes were
documented using comments. This patch improves consistency by converting
these into docstrings similar to those that already exist in the script.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch attempts to improve the consistency of the docstrings by
making the following changes:
- Rewraps all docstrings to a 79-character column limit.
- Adds a full stop at the end of every docstring.
- Removes any spaces after the opening triple-quotes of all
docstrings.
- Sets the hanging indent of multi-line docstrings to 3-spaces.
- Ensures that the closing triple-quotes of multi-line docstrings are
always on a new line indented by a 3-space indent.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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PEP8 recommends that all code should be indented in 4-space units. This
guideline is described here:
https://www.python.org/dev/peps/pep-0008/#indentation
Previously git-p4 had multiple cases where code was indented with a
non-multiple of 4-spaces. This patch fixes each of these.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Python allows the usage of compound statements where multiple statements
are written on a single line separared by semicolons. It is also
possible to add a semicolon after a single statement, however this is
generally considered to be untidy, and is unnecessary.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the PEP8 style guidelines, top-level functions and class definitions
should be separated by two blank lines. Methods should be surrounded by
a single blank line.
This guideline is described here in the "Blank Lines" section:
https://www.python.org/dev/peps/pep-0008/#blank-lines
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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More "config-based hooks".
* ab/config-based-hooks-2:
run-command: remove old run_hook_{le,ve}() hook API
receive-pack: convert push-to-checkout hook to hook.h
read-cache: convert post-index-change to use hook.h
commit: convert {pre-commit,prepare-commit-msg} hook to hook.h
git-p4: use 'git hook' to run hooks
send-email: use 'git hook run' for 'sendemail-validate'
git hook run: add an --ignore-missing flag
hooks: convert worktree 'post-checkout' hook to hook library
hooks: convert non-worktree 'post-checkout' hook to hook library
merge: convert post-merge to use hook.h
am: convert applypatch-msg to use hook.h
rebase: convert pre-rebase to use hook.h
hook API: add a run_hooks_l() wrapper
am: convert {pre,post}-applypatch to use hook.h
gc: use hook library for pre-auto-gc hook
hook API: add a run_hooks() wrapper
hook: add 'run' subcommand
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Instead of duplicating the behavior of run-command.h:run_hook_le() in
Python, we can directly call 'git hook run'. We emulate the existence
check with the --ignore-missing flag.
We're dropping the "verbose" handling added in 9f59ca4d6af (git-p4:
create new function run_git_hook, 2020-02-11), those who want
diagnostic output about how hooks are run are now able to get that via
e.g. the trace2 facility and GIT_TRACE=1.
Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jh/p4-spawning-external-commands-cleanup:
git-p4: don't print shell commands as python lists
git-p4: pass command arguments as lists instead of using shell
git-p4: don't select shell mode using the type of the command argument
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Previously the git-p4 script would log commands as stringified
representations of the command parameter, leading to output such as
this:
Reading pipe: ['git', 'config', '--bool', 'git-p4.useclientspec']
Now that all commands are list objects, this patch instead joins the
elements of the list into a single string so the output now looks more
readable:
Reading pipe: git config --bool git-p4.useclientspec
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the majority of the subprocess calls where shell=True was used, it
was only needed to parse command arguments by spaces. In each of these
cases, the commands are now being passed in as lists instead of strings.
This change aids the comprehensibility of the code. Constucting commands
and arguments using strings risks bugs from unsanitized inputs, and the
attendant complexity of properly quoting and escaping command arguments.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Previously, the script would invoke subprocess functions setting the
shell argument True if the command argument was a string, setting it
False otherwise.
This patch replaces this implicit type-driven behaviour with explicit
shell arguments specified by the caller.
The apparent motive for the implict behaviour is that the subprocess
functions do not divide command strings into args. Invoking
subprocess.call("echo hello") will attempt to execute a program by the
name "echo hello". With subprocess.call("echo hello", shell=True), sh
-c "echo hello" will be executed instead, which will cause the command
and args to be divided by spaces.
Eventually, all usage of shell=True, that is not necessary for some
purpose beyond parsing command strings, should be removed. For now,
this patch makes the usage of shells explicit.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jh/p4-fix-use-of-process-error-exception:
git-p4: fix instantiation of CalledProcessError
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CalledProcessError is an exception class from the subprocess namespace.
When raising this exception, git-p4 would instantiate CalledProcessError
objects without properly referencing the subprocess namespace causing
the script to fail.
Resolves the issue by replacing CalledProcessError with
subprocess.CalledProcessError.
Signed-off-by: Joel Holdsworth <jholdsworth@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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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 "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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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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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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