Intent-to-add entries used to forbid writing trees so it was not a
problem. After commit 3f6d56d (commit: ignore intent-to-add entries
instead of refusing - 2012-02-07), we can generate trees from an index
with i-t-a entries.
However, the commit forgets to invalidate all paths leading to i-t-a
entries. With fully valid cache-tree (e.g. after commit or
write-tree), diff operations may prefer cache-tree to index and not
see i-t-a entries in the index, because cache-tree does not have them.
Reported-by: Jonathon Mah <me@JonathonMah.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
entry_count is used in update_one() for two purposes:
1. to skip through the number of processed entries in in-memory index
2. to record the number of entries this cache-tree covers on disk
Unfortunately when CE_REMOVE is present these numbers are not the same
because CE_REMOVE entries are automatically removed before writing to
disk but entry_count is not adjusted and still counts CE_REMOVE
entries.
Separate the two use cases into two different variables. #1 is taken
care by the new field count in struct cache_tree_sub and entry_count
is prepared for #2.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The loops in update_one can be increased in two different ways: step
by one for files and by <n> for directories. "for" loop is not
suitable for this as it always steps by one and special handling is
required for directories. Replace them with "while" loops for clarity.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This code is added in 331fcb5 (git add --intent-to-add: do not let an
empty blob be committed by accident - 2008-11-28) to forbid committing
when i-t-a entries are present. When we allow that, we forgot to
remove this.
Noticed-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The audience of this introductory document does not have to know nor
interact with the maintainer, so drop the mention of him. Other
documents such as SubmittingPatches may be a more suitable place to
have it.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
And this is clearly stressed by Linus in the COPYING file. So make it
clear in the README as well, to avoid possible misunderstandings.
Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The "-c" and "-C" options take an existing commit, so let's
complete refs, just as we would for --squash or --fixup.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Start list with 1 instead of 0; ASCIIDOC will renumber it anyway.
Signed-off-by: Thomas Ackermann <th.acker@arcor.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
There are a few error functions that simply wrap error() and
provide a standardized message text. Like error(), they
always return -1; knowing that can help the compiler silence
some false positive -Wuninitialized warnings.
One strategy would be to just declare these as inline in the
header file so that the compiler can see that they always
return -1. However, gcc does not always inline them (e.g.,
it will not inline opterror, even with -O3), which renders
our change pointless.
Instead, let's follow the same route we did with error() in
the last patch, and define a macro that makes the constant
return value obvious to the compiler.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
When git is compiled with "gcc -Wuninitialized -O3", some
inlined calls provide an additional opportunity for the
compiler to do static analysis on variable initialization.
For example, with two functions like this:
int get_foo(int *foo)
{
if (something_that_might_fail() < 0)
return error("unable to get foo");
*foo = 0;
return 0;
}
void some_fun(void)
{
int foo;
if (get_foo(&foo) < 0)
return -1;
printf("foo is %d\n", foo);
}
If get_foo() is not inlined, then when compiling some_fun,
gcc sees only that a pointer to the local variable is
passed, and must assume that it is an out parameter that
is initialized after get_foo returns.
However, when get_foo() is inlined, the compiler may look at
all of the code together and see that some code paths in
get_foo() do not initialize the variable. As a result, it
prints a warning. But what the compiler can't see is that
error() always returns -1, and therefore we know that either
we return early from some_fun, or foo ends up initialized,
and the code is safe. The warning is a false positive.
If we can make the compiler aware that error() will always
return -1, it can do a better job of analysis. The simplest
method would be to inline the error() function. However,
this doesn't work, because gcc will not inline a variadc
function. We can work around this by defining a macro. This
relies on two gcc extensions:
1. Variadic macros (these are present in C99, but we do
not rely on that).
2. Gcc treats the "##" paste operator specially between a
comma and __VA_ARGS__, which lets our variadic macro
work even if no format parameters are passed to
error().
Since we are using these extra features, we hide the macro
behind an #ifdef. This is OK, though, because our goal was
just to help gcc.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
In remote-test-svn, there is a parse_rev_note function to
parse lines of the form "Revision-number" from notes. If it
finds such a line and parses it, it returns 0, copying the
value into a "struct rev_note". If it finds an entry that is
garbled or out of range, it returns -1 to signal an error.
However, if it does not find any "Revision-number" line at
all, it returns success but does not put anything into the
rev_note. So upon a successful return, the rev_note may or
may not be initialized, and the caller has no way of
knowing.
gcc does not usually catch the use of the unitialized
variable because the conditional assignment happens in a
separate function from the point of use. However, when
compiling with -O3, gcc will inline parse_rev_note and
notice the problem.
We can fix it by returning "-1" when no note is found (so on
a zero return, we always found a valid value).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The header strings.h was formerly only included for HP NonStop (aka
Tandem) to define strcasecmp, but another platform requiring this
inclusion has been found. The build system will now include the
file based on its presence determined by configure.
Signed-off-by: David Michael <fedora.dm0@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
NO_GECOS_IN_PWENT was documented with other Makefile variables but was only
enforced by manually defining it to the C preprocessor. This adds support
for detecting the condition with configure and defining the make variable.
Signed-off-by: David Michael <fedora.dm0@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
An option is added to the Makefile to skip the inclusion of sys/param.h.
The only known platform with this condition thus far is the z/OS UNIX System
Services environment.
Signed-off-by: David Michael <fedora.dm0@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Explain that --tags is just like another explicit refspec on the
command line and as such overrides the default refspecs configured
via the remote.$name.fetch variable.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
A 'git push' doesn't update the working directory on the remote, but
a 'bzr push' does. Teach the remote helper for bzr to update the
working tree on the bzr side upon pushing via the "export" command.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Currently it gets the size of an otherwise unrelated, unused variable
instead of the expected struct size.
Signed-off-by: Matthew Daley <mattjd@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Unlike other environment variables (e.g. GIT_WORK_TREE, GIT_NAMESPACE),
the Documentation/git.txt file did not mention that the GIT_DIR
environment variable can also be set using the --git-dir command line
option.
Signed-off-by: Manlio Perillo <manlio.perillo@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The motivation for mailmap.blob is to let users of bare
repositories use the mailmap feature, as they would not have
a checkout containing the .mailmap file. We can make it even
easier for them by just looking in HEAD:.mailmap by default.
We can't know for sure that this is where they would keep a
mailmap, of course, but it is the best guess (and it matches
the non-bare behavior, which reads from HEAD:.mailmap in the
working tree). If it's missing, git will silently ignore the
setting.
We do not do the same magic in the non-bare case, because:
1. In the common case, HEAD:.mailmap will be the same as
the .mailmap in the working tree, which is a no-op.
2. In the uncommon case, the user has modified .mailmap
but not yet committed it, and would expect the working
tree version to take precedence.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Anywhere we mention mailmap.file, it is probably worth
mentioning mailmap.blob, as well.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
A cache-tree entry with a negative entry count is considered invalid
by the current Git; it records that we do not know the object name
of a tree that would result by writing the directory covered by the
cache-tree as a tree object.
Clarify that any entry with a negative entry count is invalid, but
the implementations must write -1 there. This way, we can later
decide to allow writers to use negative values other than -1 to
encode optional information on such invalidated entries without
harming interoperability; we do not know what will be encoded and
how, so we keep these other negative values as reserved for now.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
We earlier removed a link to list of contributors that pointed to a
defunct page; let's use a working one from Ohloh.net to replace it
instead.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The error handling for the read_mailmap function is odd. It
returns 1 on error, rather than -1. And it treats a
non-existent mailmap as an error, even though there is no
reason that one needs to exist. Unless some other mailmap
source loads successfully, in which case the original error
is completely masked.
This does not cause any bugs, however, because no caller
bothers to check the return value, anyway. Let's make this a
little more robust to real errors and less surprising for
future callers that do check the error code:
1. Return -1 on errors.
2. Treat a missing entry (e.g., no mailmap.file given),
ENOENT, or a non-existent blob (for mailmap.blob) as
"no error".
3. Complain loudly when a real error (e.g., a transient
I/O error, no permission to open the mailmap file,
missing or corrupted blob object, etc) occurs.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
In a bare repository, there isn't a simple way to respect an
in-tree mailmap without extracting it to a temporary file.
This patch provides a config variable, similar to
mailmap.file, which reads the mailmap from a blob in the
repository.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The read_single_mailmap function opens a mailmap file and
parses each line. In preparation for having non-file
mailmaps, let's pull out the line-parsing logic into its own
function (read_mailmap_line), and rename the file-parsing
function to match (read_mailmap_file).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This version changes quite a few things:
1. The original parsed the mailmap file itself, and it did
it wrong (it did not understand entries with an extra
email key).
Instead, this version uses git's "%aE" and "%aN"
formats to have git perform the mapping, meaning we do
not have to read .mailmap at all, but still operate on
the current state that git sees (and it also works
properly from subdirs).
2. The original would find multiple names for an email,
but not the other way around.
This version can do either or both. If we find multiple
emails for a name, the resolution is less obvious than
the other way around. However, it can still be a
starting point for a human to investigate.
3. The original would order only by count, not by recency.
This version can do either. Combined with showing the
counts, it can be easier to decide how to resolve.
4. This version shows similar entries in a blank-delimited
stanza, which makes it more clear which options you are
picking from.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Linus used a lot of different per-machine email addresses in
the early days. This means that "git shortlog -nse" does not
aggregate his counts, and he is listed well below where he
should be (8th instead of 3rd).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
I never meant anything special by using my @github.com
address; it is merely a mistake that it has sometimes bled
through to patches.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Commit adc3192 (Martin Langhoff has a new e-mail address,
2010-10-05) added a mailmap entry, but forgot that both the
old and new email addresses need to appear for one to be
mapped to the other (i.e., we do not key mailmap emails by
name).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This patch updates git's .mailmap in cases where multiple
names are matched to a single email. The "master" name for
each email was chosen by:
1. If the only difference is in the presence or absence
of accented characters, the accented form is chosen
(under the assumption that it is the natural spelling,
and accents are sometimes stripped in email).
2. Otherwise, the most commonly used name is chosen.
3. If all names are equally common, the most recently used name is
chosen.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The description of __git_ps1 function operating in two-arg mode was
not very clear. It said "set PROMPT_COMMAND=__git_ps1" which is not
the right usage for this mode, followed by "To customize the prompt,
do this", giving a false impression that those who do not want to
customize it can get away with no-arg form, which was incorrect.
Make it clear that this mode always takes two arguments, pre and
post, with an example.
The straight-forward one should be listed as the primary usage, and
the confusing one should be an alternate for advanced users. Swap
the order of these two.
Acked-by: Simon Oosthoek <s.oosthoek@xs4all.nl>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
On MinGW, GCC 4.7.2 complains about
operation on 'p->m[end]' may be undefined
Fix this by replacing the faulty lines with those of 69825ca from
https://github.com/ned14/nedmalloc/blob/master/nedmalloc.c
Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
For bash completion, the option '-o bashdefault' is used to indicate
that when no other choices are available, file completion should be
performed. Since this option is not available in tcsh, no file
completion is ever performed. Therefore, commands like 'git add ',
'git send-email ', etc, require the user to manually type out
the file name. This can be quite annoying.
To improve the user experience we try to simulate file completion
directly in this script (although not perfectly).
The known issues with the file completion simulation are:
- Possible completions are shown with their directory prefix.
- Completions containing shell variables are not handled.
- Completions with ~ as the first character are not handled.
Signed-off-by: Marc Khouzam <marc.khouzam@ericsson.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Several submodule configuration variables
(e.g. fetchRecurseSubmodules) are read from .gitmodules with local
overrides from the usual git config files. This shell function mimics
that logic to help initialize configuration variables in
git-submodule.sh.
Signed-off-by: W. Trevor King <wking@tremily.us>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
MinGW has a workaround when rmdir unnecessarily fails to retry with
a prompt, but the logic was kicking in when the rmdir failed with
ENOTEMPTY, i.e. was expected to fail and there is no point retrying.
* ef/mingw-rmdir:
mingw_rmdir: do not prompt for retry when non-empty
Update getpass() emulation for MinGW.
* ef/mingw-tty-getpass:
mingw: get rid of getpass implementation
mingw: reuse tty-version of git_terminal_prompt
compat/terminal: separate input and output handles
compat/terminal: factor out echo-disabling
mingw: make fgetc raise SIGINT if apropriate
mingw: correct exit-code for SIGALRM's SIG_DFL
GIT_PS1_DESCRIBE_STYLE was introduced in v1.6.3.2~35. Document it in the
header comments.
Signed-off-by: Anders Kaseorg <andersk@mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
In a repository cloned from somewhere else, you typically have a
symbolic ref refs/remotes/origin/HEAD pointing at the 'master'
remote-tracking ref that is next to it. When fetching into such a
repository with "git fetch --mirror" from another repository that
was similarly cloned, the implied wildcard refspec refs/*:refs/*
will end up asking to update refs/remotes/origin/HEAD with the
object at refs/remotes/origin/HEAD at the remote side, while asking
to update refs/remotes/origin/master the same way. Depending on the
order the two updates happen, the latter one would find that the
value of the ref before it is updated has changed from what the code
expects.
When the user asks to update the underlying ref via the symbolic ref
explicitly without using a wildcard refspec, e.g. "git fetch $there
refs/heads/master:refs/remotes/origin/HEAD", we should still let him
do so, but when expanding wildcard refs, it will result in a more
intuitive outcome if we simply ignore local symbolic refs.
As the purpose of the symbolic ref refs/remotes/origin/HEAD is to
follow the ref it points at (e.g. refs/remotes/origin/master), its
value would change when the underlying ref is updated.
Earlier commit da3efdb (receive-pack: detect aliased updates which
can occur with symrefs, 2010-04-19) fixed a similar issue for "git
push".
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Sorting gitweb's project list by age ('Last Change') currently shows
projects with undefined ages at the head of the list. This gives a less
useful result when there are a number of projects that are missing or
otherwise faulty and one is trying to see what projects have been
updated recently.
Fix by sorting these projects with undefined ages at the bottom of the
list when sorting by age.
Signed-off-by: Matthew Daley <mattjd@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Since shortlog isn't using the return value anymore (see previous
commit), the functions can be changed to void.
Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
A recent commit [1] fixed a off-by-one wrapping error. As a
side-effect, the conditional in add_wrapped_shortlog_msg() to decide
whether to append a newline needs to be removed. The function
should always append a newline, which was the case before the
off-by-one fix, because strbuf_add_wrapped_text() never returns a
value of wraplen; when it returns wraplen, the string does not end
with a newline, so this caller needs to add one anyway.
[1] 14e1a4e1ff utf8: fix off-by-one
wrapping of text
Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
With an unset IFS, field splitting is supposed to act as if IFS is
set to the usual SP HT LF, but Marc Branchaud reports that the shell
on FreeBSD 7.2 gets this wrong.
It is easy to set it to the default value manually, and it is also
safer in case somebody tries to save the old value away and restore,
e.g.
$oIFS=$IFS
IFS=something
...
IFS=$oIFS
while forgetting that the original IFS might be unset (which can be
coded but would be more involved).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* maint:
Git 1.8.0.2
Documentation/git-stash.txt: add a missing verb
git(1): remove a defunct link to "list of authors"
Signed-off-by: Junio C Hamano <gitster@pobox.com>
