Avoid a getpwuid() call (which contacts the network if the password
database is not local), read of /etc/mailname, gethostname() call, and
reverse DNS lookup if the user has already chosen a name and email
through configuration, the environment, or the command line.
This should slightly speed up commands like "git commit". More
importantly, it improves error reporting when computation of the
default ident string does not go smoothly. For example, after
detecting a problem (e.g., "warning: cannot open /etc/mailname:
Permission denied") in retrieving the default committer identity:
touch /etc/mailname; # as root
chmod -r /etc/mailname; # as root
git commit -m 'test commit'
you can squelch the warning while waiting for your sysadmin to fix the
permissions problem.
echo '[user] email = me@example.com' >>~/.gitconfig
Inspired-by: Johannes Sixt <j6t@kdgb.org>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Before falling back to gethostname(), check /etc/mailname if
GIT_AUTHOR_EMAIL is not set in the environment or through config
files. Only fall back if /etc/mailname cannot be opened or read.
The /etc/mailname convention comes from Debian policy section 11.6
("mail transport, delivery and user agents"), though maybe it could be
useful sometimes on other machines, too. The lack of this support was
noticed by various people in different ways:
- Ian observed that git was choosing the address
'ian@anarres.relativity.greenend.org.uk' rather than
'ian@davenant.greenend.org.uk' as it should have done.
- Jonathan noticed that operations like "git commit" were needlessly
slow when using a resolver that was slow to handle reverse DNS
lookups.
Alas, after this patch, if /etc/mailname is set up and the [user] name
and email configuration aren't, the committer email will not provide a
charming reminder of which machine commits were made on any more. But
I think it's worth it.
Mechanics: the functionality of reading mailname goes in its own
function, so people who care about other distros can easily add an
implementation to a similar location without making copy_email() too
long and losing clarity. While at it, we split out the fallback
default logic that does gethostname(), too (rearranging it a little
and adding a check for errors from gethostname while at it).
Based on a patch by Gerrit Pape <pape@smarden.org>.
Requested-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Improved-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Allow NO_GECOS_IN_PWENT to be defined in the Makefile for platforms that
lack the pw_gecos field in their "struct passwd", in which case the
uppercased user name is used instead via the standard '&' replacement
mechanism.
Signed-off-by: Rafael Gieschke <rafael@gieschke.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
nlen has to be added to len when inserting (capitalized) pw_name as
substitution for "&" in pw_gecos. Otherwise, pw_gecos will be truncated
and data might be written beyond name+sz.
Signed-off-by: Rafael Gieschke <rafael@gieschke.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
If the user gives "git commit --date=foobar", we silently
ignore the --date flag. We should note the error.
This patch puts the fix at the lowest level of fmt_ident,
which means it also handles GIT_AUTHOR_DATE=foobar, as well.
There are two down-sides to this approach:
1. Technically this breaks somebody doing something like
"git commit --date=now", which happened to work because
bogus data is the same as "now". Though we do
explicitly handle the empty string, so anybody passing
an empty variable through the environment will still
work.
If the error is too much, perhaps it can be downgraded
to a warning?
2. The error checking happens _after_ the commit message
is written, which can be annoying to the user. We can
put explicit checks closer to the beginning of
git-commit, but that feels a little hack-ish; suddenly
git-commit has to care about how fmt_ident works. Maybe
we could simply call fmt_ident earlier?
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Compiling today's pu gave
...
CC ident.o
CC levenshtein.o
ident.c: In function 'fmt_ident':
ident.c:206: warning: format not a string literal and no format arguments
CC list-objects.o
...
This warning seems to have appeared first in 18e95f279e (ident.c:
remove unused variables) which removed additional fprintf arguments.
Suppress this warning by using fputs instead of fprintf.
Signed-off-by: Tarmigan Casebolt <tarmigan+git@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The environment variable EMAIL has been honored since 28a94f8 (Fall back
to $EMAIL for missing GIT_AUTHOR_EMAIL and GIT_COMMITTER_EMAIL,
2007-04-28) as the end-user's wish to use the address as the identity.
When we use it, we should say we are explicitly given email by the user.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
bb1ae3f (commit: Show committer if automatic, 2008-05-04) added a logic to
check both name and email were given explicitly by the end user, but it
assumed that fmt_ident() is never called before git_default_user_config()
is called, which was fragile. The former calls setup_ident() and fills
the "default" name and email, so the check in the config parser would have
mistakenly said both are given even if only user.name was provided.
Make the logic more robust by keeping track of name and email separately.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Acked-by: Santi Béjar <santi@agolina.net>
d5cc2de (ident.c: Trim hint printed when gecos is empty., 2006-11-28)
reworded the message used as printf() format and dropped "%s" from it;
these two variables that hold the names of GIT_{AUTHOR,COMMITTER}_NAME
environment variables haven't been used since then.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
For scripts using "git var -l" to read all logical variables at
once, not all per-variable warnings will be relevant. So suppress
them.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
We remove crud characters at the beginning and end of real-names so that
when we see email addresses like
From: "David S. Miller" <davem@davemloft.net>
we drop the quotes around the name when we parse that and split it up into
name and email.
However, the list of crud characters was basically just a random list of
common things that are found around names, and it didn't contain the
backslash character that some insane scripts seem to use when quoting
things. So now the kernel has a number of authors listed like
Author: \"Rafael J. Wysocki\ <rjw@sisk.pl>
because the author name had started out as
From: \"Rafael J. Wysocki\" <rjw@sisk.pl>
and the only "crud" character we noticed and removed was the final
double-quote at the end.
We should probably do better quote removal from names anyway, but this is
the minimal obvious patch.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
To warn the user in case he/she might be using an unintended
committer identity.
Signed-off-by: Santi Béjar <sbejar@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The "config --global" suggested in the message is a valid one-shot fix,
and hopefully one-shot across machines that NFS mounts the home directories.
This knowledge can hopefully be reused when you are forced to use git on
Windows, but the fix based on GECOS would not be applicable, so
it is not such a useful hint to mention the exact reason why the
name cannot be determined.
Signed-off-by: Santi Béjar <sbejar@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
An earlier fix to the said commit was incomplete; it mixed up the
meaning of the flag parameter passed to the internal fmt_ident()
function, so this corrects it.
git_author_info() and git_committer_info() can be told to issue a
warning when no usable user information is found, and optionally can be
told to error out. Operations that actually use the information to
record a new commit or a tag will still error out, but the caller to
leave reflog record will just silently use bogus user information.
Not warning on misconfigured user information while writing a reflog
entry is somewhat debatable, but it is probably nicer to the users to
silently let it pass, because the only information you are losing is who
checked out the branch.
* git_author_info() and git_committer_info() used to take 1 (positive
int) to error out with a warning on misconfiguration; this is now
signalled with a symbolic constant IDENT_ERROR_ON_NO_NAME.
* These functions used to take -1 (negative int) to warn but continue;
this is now signalled with a symbolic constant IDENT_WARN_ON_NO_NAME.
* fmt_ident() function implements the above error reporting behaviour
common to git_author_info() and git_committer_info(). A symbolic
constant IDENT_NO_DATE can be or'ed in to the flag parameter to make
it return only the "Name <email@address.xz>".
* fmt_name() is a thin wrapper around fmt_ident() that always passes
IDENT_ERROR_ON_NO_NAME and IDENT_NO_DATE.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
* kh/commit: (33 commits)
git-commit --allow-empty
git-commit: Allow to amend a merge commit that does not change the tree
quote_path: fix collapsing of relative paths
Make git status usage say git status instead of git commit
Fix --signoff in builtin-commit differently.
git-commit: clean up die messages
Do not generate full commit log message if it is not going to be used
Remove git-status from list of scripts as it is builtin
Fix off-by-one error when truncating the diff out of the commit message.
builtin-commit.c: export GIT_INDEX_FILE for launch_editor as well.
Add a few more tests for git-commit
builtin-commit: Include the diff in the commit message when verbose.
builtin-commit: fix partial-commit support
Fix add_files_to_cache() to take pathspec, not user specified list of files
Export three helper functions from ls-files
builtin-commit: run commit-msg hook with correct message file
builtin-commit: do not color status output shown in the message template
file_exists(): dangling symlinks do exist
Replace "runstatus" with "status" in the tests
t7501-commit: Add test for git commit <file> with dirty index.
...
Introduce fmt_name() specifically meant for formatting the name and
email pair, to add signed-off-by value. This reverts parts of
13208572fb (builtin-commit: fix --signoff)
so that an empty datestamp string given to fmt_ident() by mistake will
error out as before.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The Signed-off-by: line contained a spurious timestamp. The reason was
a call to git_committer_info(1), which automatically added the
timestamp.
Instead, fmt_ident() was taught to interpret an empty string for the
date (as opposed to NULL, which still triggers the default behavior)
as "do not bother with the timestamp", and builtin-commit.c uses it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The first thing we teach in the tutorial is to set the default
identity in $HOME/.gitconfig using "git config --global". The
suggestion in the error message should match the order, while
hinting that per repository identity can later be configured
differently.
Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
The environment variable $EMAIL gives a better default of user's
preferred e-mail address than the hardcoded "username@hostname",
as it is understood by many existing programs.
We still honor GIT_*_EMAIL environment variables and user.email
configuration variable give them higher precedence, so that the
user can override $EMAIL or "username@hostname", as they are
likely to be more specific to the context of working on a
particular project.
Signed-off-by: Matt Kraai <kraai@ftbfs.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
$EMAIL is a system-wide setup that is used for many many many
applications. If the git user chose a specific user.email setup,
then _this_ should be honoured rather than $EMAIL.
Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Some other programs get the user's email address from $EMAIL, so fall back to
that if we don't have a Git-specific email address.
Signed-off-by: Josh Triplett <josh@freedesktop.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Back when only handful commands that created commit and tag were
the only users of committer identity information, it made sense
to explicitly call setup_ident() to pre-fill the default value
from the gecos information. But it is much simpler for programs
to make the call automatic when get_ident() is called these days,
since many more programs want to use the information when updating
the reflog.
Signed-off-by: Junio C Hamano <junkio@cox.net>
The code that uses committer_info() in reflog can barf and die
whenever it is asked to update a ref. And I do not think
calling ignore_missing_committer_name() upfront like recent
receive-pack did in the aplication is a reasonable workaround.
What the patch does.
- git_committer_info() takes one parameter. It used to be "if
this is true, then die() if the name is not available due to
bad GECOS, otherwise issue a warning once but leave the name
empty". The reason was because we wanted to prevent bad
commits from being made by git-commit-tree (and its
callers). The value 0 is only used by "git var -l".
Now it takes -1, 0 or 1. When set to -1, it does not
complain but uses the pw->pw_name when name is not
available. Existing 0 and 1 values mean the same thing as
they used to mean before. 0 means issue warnings and leave
it empty, 1 means barf and die.
- ignore_missing_committer_name() and its existing caller
(receive-pack, to set the reflog) have been removed.
- git-format-patch, to come up with the phoney message ID when
asked to thread, now passes -1 to git_committer_info(). This
codepath uses only the e-mail part, ignoring the name. It
used to barf and die. The other call in the same program
when asked to add signed-off-by line based on committer
identity still passes 1 to make sure it barfs instead of
adding a bogus s-o-b line.
- log_ref_write in refs.c, to come up with the name to record
who initiated the ref update in the reflog, passes -1. It
used to barf and die.
The last change means that git-update-ref, git-branch, and
commit walker backends can now be used in a repository with
reflog by somebody who does not have the user identity required
to make a commit. They all used to barf and die.
I've run tests and all of them seem to pass, and also tried "git
clone" as a user whose GECOS is empty -- git clone works again
now (it was broken when reflog was enabled by default).
But this definitely needs extra sets of eyeballs.
Signed-off-by: Junio C Hamano <junkio@cox.net>
This is a mechanical clean-up of the way *.c files include
system header files.
(1) sources under compat/, platform sha-1 implementations, and
xdelta code are exempt from the following rules;
(2) the first #include must be "git-compat-util.h" or one of
our own header file that includes it first (e.g. config.h,
builtin.h, pkt-line.h);
(3) system headers that are included in "git-compat-util.h"
need not be included in individual C source files.
(4) "git-compat-util.h" does not have to include subsystem
specific header files (e.g. expat.h).
Signed-off-by: Junio C Hamano <junkio@cox.net>
If GIT_COMMITTER_NAME is not available in receive-pack but reflogs
are enabled we would normally die out with an error message asking
the user to correct their environment settings.
Now that reflogs are enabled by default in (what we guessed to be)
non-bare Git repositories this may cause problems for some users
who don't have their full name in the gecos field and who don't
have access to the remote system to correct the problem.
So rather than die()'ing out in receive-pack when we try to log a
ref change and have no committer name we default to the username,
as obtained from the host's password database.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Also remove asterisks for readability, and suggest use of
git-config for easy cut & pasting.
Signed-off-by: Han-Wen Nienhuys <hanwen@xs4all.nl>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This cleans up the use of safe_strncpy() even more. Since it has the
same semantics as strlcpy() use this name instead. Also move the
definition from inside path.c to its own file compat/strlcpy.c, and use
it conditionally at compile time, since some platforms already has
strlcpy(). It's included in the same way as compat/setenv.c.
Signed-off-by: Peter Eriksen <s022018@student.dtu.dk>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Previous one warned people upfront to encourage fixing their
environment early, but some people just use repositories and git
tools read-only without making any changes, and in such a case
there is not much point insisting on them having a usable ident.
This round attempts to move the error until either "git-var"
asks for the ident explicitly or "commit-tree" wants to use it.
Signed-off-by: Junio C Hamano <junkio@cox.net>
It appears that some people who did not care about having bogus
names in their own commit messages are bitten by the recent
change to require a sane environment [*1*].
While it was a good idea to prevent people from using bogus
names to create commits and doing sign-offs, the error message
is not very informative. This patch attempts to warn things
upfront and hint people how to fix their environments.
[Footnote]
*1* The thread is this one.
http://marc.theaimsgroup.com/?t=113868084800004
Especially this message.
http://marc.theaimsgroup.com/?m=113932830015032
Signed-off-by: Junio C Hamano <junkio@cox.net>
Instead of silently allowing to create a bogus commit that lacks
information by mistake, complain loudly and die.
Signed-off-by: Junio C Hamano <junkio@cox.net>
var.c::git_var read function did not have to return writable
strings; make it and the functions it points at return const char *
instead.
ident.c::get_ident() did not need to be global, so make it
static.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Currently, the code would use getdomainname() call, which however returns
something usually unset and not necessarily related at all to the DNS
domain name (it seems to be mostly some scary NIS/YP thing).
This patch changes the code to actually use the DNS domain name, which is
also what tends to be used in emails, and we aim at emails with our ident
code.
Signed-off-by: Petr Baudis <pasky@suse.cz>
Signed-off-by: Junio C Hamano <junkio@cox.net>
Do our own ctype.h, just to get the sane semantics: we want
locale-independence, _and_ we want the right signed behaviour. Plus we
only use a very small subset of ctype.h anyway (isspace, isalpha,
isdigit and isalnum).
Signed-off-by: Junio C Hamano <junkio@cox.net>
This starts using the "user.name" and "user.email" config variables if
they exist as the default name and email when committing. This means
that you don't have to use the GIT_COMMITTER_EMAIL environment variable
to override your email - you can just edit the config file instead.
The patch looks bigger than it is because it makes the default name and
email information non-static and renames it appropriately. And it moves
the common git environment variables into a new library file, so that
you can link against libgit.a and get the git environment without having
to link in zlib and libcrypt.
In short, most of it is renaming and moving, the real change core is
just a few new lines in "git_default_config()" that copies the user
config values to the new base.
It also changes "git-var -l" to list the config variables.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This updates the default human readable name we generate from GECOS
field. We assume the "full-name, followed by additional information
separated by commas" format, with an & expanding to the capitalized
login name.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Jonathan Nieder
Junio C Hamano
Rafael Gieschke
Jeff King
Tarmigan Casebolt
Linus Torvalds
Todd Zullinger
Santi Béjar
Jim Meyering
David Symonds
Alex Riesen
Johannes Schindelin
Steffen Prohaska
Matt Kraai
Pierre Habouzit
Josh Triplett
Luiz Fernando N. Capitulino
Junio C Hamano
Tom Prince
Shawn O. Pearce
Han-Wen Nienhuys
Peter Eriksen
Petr Baudis
Linus Torvalds