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This separates the connectivity check into separate codepaths,
one for reachable objects and the other for unreachable ones,
while adding a lot of comments to explain what is going on.
When checking an unreachable object, unlike a reachable one, we
do not have to complain if it does not exist (we used to
complain about a missing blob even when the only thing that
references it is a tree that is dangling). Also we do not have
to check and complain about objects that are referenced by an
unreachable object.
This makes the messages from fsck-objects a lot less noisy and
more useful.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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git-prune is not safe when run uncontrolled in parallel while
other git operations are creating new objects. To avoid
mistakes, do not run git-prune by default from git-gc.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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We currently do not support fetching/cloning from a shallow repository
nor pushing into one. Make sure these are not attempted so that we
do not have to worry about corrupting repositories needlessly.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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Earlier, git_connect() returned the same fd twice or two
separate fds, depending on the way the connection was made (when
we are talking to the other end over a single socket, we used
the same fd twice, and when our end is connected to a pipepair
we used two).
This forced callers who do close() and dup() to really care
which was which, and most of the existing callers got this
wrong, although without much visible ill effect. Many were
closing the same fd twice when we are talking over a single
socket, and one was leaking a fd.
This fixes it to uniformly use two separate fds, so if somebody
wants to close only reader side can just do close() on it
without worrying about it accidentally also closing the writer
side or vice versa.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This reverts commit 9b088c4e394df84232cfd37aea78349a495b09c1.
Protecting 'mature' objects does not make it any safer. We should
admit that git-prune is inherently unsafe when run in parallel with
other operations without involving unwarranted locking overhead,
and with the latest git, even rebase and reset would not immediately
create crufts anyway.
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Marco Candrian noticed that one cat-file example refers to a
blob object that is never used in the example sequence.
The bug is interesting in that the output from the botched
sample command is consistent with the incorrect blob object
name ;-).
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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This option gives grace period to objects that are unreachable
from the refs from getting pruned.
The default value is 24 hours and may be changed using
gc.prunegrace.
Signed-off-by: Matthias Lederhofer <matled@gmx.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Since you can reset --hard to any revision you already had, when
traversing the reflog ancestry, we may not free() the commit buffer.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Embarassing thinko.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
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Now, "git log --abbrev-commit --pretty=o --walk-reflogs HEAD" is
reasonably pleasant to use.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Dependency on reflog-walk.h was missing in the Makefile, and
reflog-walk.c did not even include it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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Do not allow uninteresting commits with --walk-reflogs, since it is
not clear what should be shown in these cases:
$ git log --walk-reflogs master..next
$ git log --walk-reflogs ^master
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
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When called with "--walk-reflogs", as long as there are reflogs
available, the walker will take this information into account, rather
than the parent information in the commit object.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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For example, it makes no sense to check the presence of a file
named "HEAD" when calling "git log HEAD" in a bare repository.
Noticed by Han-Wen Nienhuys.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
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We do not copy this file from elsewhere anymore.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The static variable "prefix" was shadowed by an unused parameter
of the same name. In case of execution in a subdirectory, the
static variable was accessed, leading to a crash.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
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Not passing tz to show_date() is not a fix.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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We pass a timestamp (i.e. number of seconds elapsed since Jan 1 1970,
00:00:00 GMT) to the function. So there is no need to "fix" the
timestamp according to the timezone.
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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This changes the output so the list at the top shows the reflog
message, along with their relative timestamps.
You can use --reflog=<n> to show <n> most recent log entries, or
use --reflog=<n>,<b> to show <n> entries going back from the
entry <b>. <b> can be either a number (so --reflog=4,20 shows 4
records starting from @{20}) or a timestamp (e.g. --reflog='4,1 day').
Here is a sample output (with --list option):
$ git show-branch --reflog=10 --list jc/show-reflog
[jc/show-reflog@{0}] (3 minutes ago) commit (amend): show-branch --ref
[jc/show-reflog@{1}] (5 minutes ago) reset HEAD^
[jc/show-reflog@{2}] (14 minutes ago) commit: show-branch --reflog: sho
[jc/show-reflog@{3}] (14 minutes ago) commit: show-branch --reflog: sho
[jc/show-reflog@{4}] (18 minutes ago) commit (amend): Extend read_ref_a
[jc/show-reflog@{5}] (18 minutes ago) commit (amend): Extend read_ref_a
[jc/show-reflog@{6}] (18 minutes ago) commit (amend): Extend read_ref_a
[jc/show-reflog@{7}] (18 minutes ago) am: read_ref_at(): allow retrievi
[jc/show-reflog@{8}] (18 minutes ago) reset --hard HEAD~4
[jc/show-reflog@{9}] (61 minutes ago) commit: show-branch --reflog: use
This shows what I did more cleanly:
$ git show-branch --reflog=10 jc/show-reflog
! [jc/show-reflog@{0}] (3 minutes ago) commit (amend): show-branch --ref
! [jc/show-reflog@{1}] (5 minutes ago) reset HEAD^
! [jc/show-reflog@{2}] (14 minutes ago) commit: show-branch --reflog:
! [jc/show-reflog@{3}] (14 minutes ago) commit: show-branch --reflog:
! [jc/show-reflog@{4}] (18 minutes ago) commit (amend): Extend read_
! [jc/show-reflog@{5}] (18 minutes ago) commit (amend): Extend read
! [jc/show-reflog@{6}] (18 minutes ago) commit (amend): Extend rea
! [jc/show-reflog@{7}] (18 minutes ago) am: read_ref_at(): allow
! [jc/show-reflog@{8}] (18 minutes ago) reset --hard HEAD~4
! [jc/show-reflog@{9}] (61 minutes ago) commit: show-branch --r
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+ [jc/show-reflog@{0}] show-branch --reflog: show the reflog
+ [jc/show-reflog@{2}] show-branch --reflog: show the reflog
+++ [jc/show-reflog@{1}] show-branch --reflog: show the reflog
+++++ [jc/show-reflog@{4}] Extend read_ref_at() to be usable fro
+ [jc/show-reflog@{5}] Extend read_ref_at() to be usable fro
+ [jc/show-reflog@{6}] Extend read_ref_at() to be usable fro
+ [jc/show-reflog@{7}] read_ref_at(): allow retrieving the r
+ [jc/show-reflog@{9}] show-branch --reflog: use updated rea
+ [jc/show-reflog@{9}^] read_ref_at(): allow reporting the c
+ [jc/show-reflog@{9}~2] show-branch --reflog: show the refl
+ [jc/show-reflog@{9}~3] read_ref_at(): allow retrieving the
++++++++++ [jc/show-reflog@{8}] dwim_ref(): Separate name-to-ref DWIM
At @{9}, I had a commit to complete 5 patch series, but I wanted
to consolidate two commits that enhances read_ref_at() into one
(they were @{9}^ and @{9}~3), and another two that touch show-branch
into one (@{9} and @{9}~2).
I first saved them with "format-patch -4", and then did a reset
at @{8}. At @{7}, I applied one of them with "am", and then
used "git-apply" on the other one, and amended the commit at
@{6} (so @{6} and @{7} has the same parent). I did not like the
log message, so I amended again at @{5}.
Then I cherry-picked @{9}~2 to create @{3} (the log message
shows that it needs to learn to set GIT_REFLOG_ACTION -- it uses
"git-commit" and the log entry is attributed for it). Another
cherry-pick built @{2} out of @{9}, but what I wanted to do was
to squash these two into one, so I did a "reset HEAD^" at @{1}
and then made the final commit by amending what was at the top.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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You can pass an extra argument to the function to receive the
reflog message information. Also when the log does not go back
beyond the point the user asked, the cut-off time and count are
given back to the caller for emitting the error messages as
appropriately.
We could later add configuration for get_sha1_basic() to make it
an error instead of it being just a warning.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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I'll be using this in another function to figure out what to
pass to resolve_ref().
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This will no longer work:
$ git repo-config 'key.with
newline' some-value
Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
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For now it's just to get a more descriptive name. Later we might update the
push protocol to run more than one program on the other end. Moreover this
matches better the corresponding config option remote.<name>. receivepack.
--exec continues to work
Signed-off-by: Uwe Kleine-König <zeisberg@informatik.uni-freiburg.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Having to specify git push --exec=... is annoying if you cannot have
git-receivepack in your PATH on the remote side (or don't want to).
This introduces the config item remote.<name>.receivepack to override
the default value (which is "git-receive-pack").
Signed-off-by: Uwe Kleine-König <zeisberg@informatik.uni-freiburg.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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add all supported options to Documentation/git-....txt and the usage strings.
Signed-off-by: Uwe Kleine-König <zeisberg@informatik.uni-freiburg.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This adds two new classes (pure-helpers and "Interacting with
Others") to the command list in the main manual page. The
latter class is primarily about foreign SCM interface and is
placed before low-level (plumbing) commands.
Also it promotes a handful commands to mainporcelain category
while demoting some others.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Pointed out by Santi.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The code uses mmap() to read reflog data, but moves the pointer around
while reading, and uses that updated pointer in the call to munmap().
Signed-off-by: Junio C Hamano <junkio@cox.net>
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The callback function can signal an early return by returning non-zero,
but the function leaked the FILE * opened on the reflog when doing so.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This moves the source of the list of commands and categorization
to the end of Documentation/cmd-list.perl, so that re-categorization
and re-ordering would become easier to manage.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Also reorders a handful entries to make each list sorted
alphabetically.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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Signed-off-by: Junio C Hamano <junkio@cox.net>
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Non-GNU touch do not have the -d option to take free form
date strings. The POSIX -t option should be more widespread.
For this to work, date needs to output YYYYMMDDHHMM.SS date strings.
Signed-off-by: Simon 'corecode' Schubert <corecode@fs.ei.tum.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This attempts to finish what Simon started in the previous commit.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Plain integer types without a fixed size can vary between platforms. Even
though all common platforms use 32-bit ints, there is no guarantee that
this won't change at some point. Furthermore, specifying an integer type
with explicit size makes the definition of structures more obvious.
Signed-off-by: Simon 'corecode' Schubert <corecode@fs.ei.tum.de>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Editors often give easier handling of patch files if the
filename ends with .patch, so use it instead of .txt.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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It does not make much sense to generate a patch that cannot be
applied. If --text is specified on the command line it still
takes precedence.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This adds --summary output in addition to the --stat to the
output from git-format-patch by default.
I think additions, removals and filemode changes are rare but
notable events and always showing it makes sense.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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This teaches "git-format-patch" to honor the --max-count
parameter revision traversal machinery takes, so that you can
say "git-format-patch -3" to process the three topmost commits
from the current HEAD (or "git-format-patch -2 topic" to name a
specific branch).
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Way back when Junio developed the 64 bit index topic he came up
with a means of changing the .idx file format so that older Git
clients would recognize that they don't understand the file and
refuse to read it, while newer clients could tell the difference
between the old-style and new-style .idx files. Unfortunately
this wasn't recorded anywhere.
This change documents how we might go about changing the .idx
file format by using a special signature in the first four bytes.
Credit (and possible blame) goes completely to Junio for thinking
up this technique.
The change also modifies the error message of the current Git code
so that users get a recommendation to upgrade their Git software
should this version or later encounter a new-style .idx which it
cannot process. We already do this for the .pack files, but since
we usually process the .idx files first its important that these
files are recognized and encourage an upgrade.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Linus Torvalds
Junio C Hamano
Matthias Lederhofer
Johannes Schindelin
Uwe Kleine-König
David Kågedal
Simon 'corecode' Schubert
Shawn O. Pearce