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Somebody tried "git pull" from a random place completely outside the work
tree, while exporting GIT_DIR and GIT_WORK_TREE that are set to correct
places, e.g.
GIT_WORK_TREE=$HOME/git.git
GIT_DIR=$GIT_WORK_TREE/.git
export GIT_WORK_TREE GIT_DIR
cd /tmp
git pull
At the beginning of git-pull, we check "require-work-tree" and then
"cd-to-toplevel". I _think_ the original intention when I wrote the
command was "we MUST have a work tree, our $(cwd) might not be at the
top-level directory of it", and no stronger than that. That check is a
very sensible thing to do before doing cd-to-toplevel. We check that the
place we would want to go exists, and then go there.
But the implementation of require_work_tree we have today is quite
different. I don't have energy to dig the history, but currently it says:
test "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = true ||
die "fatal: $0 cannot be used without a working tree."
Which is completely bogus. Even though we may happen to be just outside
of it right now, we may have a working tree that we can cd_to_toplevel
back to.
Add a function "require_work_tree_exists" that implements the check
this function originally intended (this is so that third-party scripts
that rely on the current behaviour do not have to get broken).
For now, update _no_ in-tree scripts, not even "git pull", as nobody on
the list seems to really care about the above corner case workflow that
triggered this. Scripts can be updated after vetting that they do want the
"we want to make sure the place we are going to go actually exists"
semantics.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Although Git interally has the facility to differentiate between
porcelain and plubmbing commands and appropriately print errors,
several shell scripts invoke plubming commands triggering cryptic
plumbing errors to be displayed on a porcelain interface. This patch
replaces the "needs update" message in git-pull and git-rebase, when
`git update-index` is run, with a more friendly message.
Reported-by: Joshua Jensen <jjensen@workspacewhiz.com>
Reported-by: Thore Husfeldt <thore.husfeldt@gmail.com>
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* uk/fix-author-ident-sed-script:
get_author_ident_from_commit(): remove useless quoting
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Add an is_absolute_path function to abstract out platform differences
in checking for an absolute or relative path.
Specifically fixes t4150-am on Windows.
[PT: updated following suggestion from j6t to support \* and //*]
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
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The command 's/'\''/'\''\'\'\''/g' only triples single quotes:
$ echo "What's up?" | sed 's/'\''/'\''\'\'\''/g'
What'''s up?
This doesn't hurt as compared to a single single quote it only adds an
empty string, but it makes the script needlessly complicated and hard to
understand. The useful quoting is done by s/'\''/'\''\\'\'\''/g at the
beginning of the script and only once for all three variables.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* gb/maint-submodule-env:
is_submodule_modified(): clear environment properly
submodules: ensure clean environment when operating in a submodule
shell setup: clear_local_git_env() function
rev-parse: --local-env-vars option
Refactor list of of repo-local env vars
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* jn/maint-fix-pager:
tests: Fix race condition in t7006-pager
t7006-pager: if stdout is not a terminal, make a new one
tests: Add tests for automatic use of pager
am: Fix launching of pager
git svn: Fix launching of pager
git.1: Clarify the behavior of the --paginate option
Make 'git var GIT_PAGER' always print the configured pager
Fix 'git var' usage synopsis
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* gf/maint-sh-setup-nongit-ok:
require_work_tree broken with NONGIT_OK
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Introduce an auxiliary function to clear all repo-local environment
variables. This should be invoked by any shell script that switches
repository during execution, to ensure that the environment is clean
and that things such as the git dir and worktree are set up correctly.
Signed-off-by: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With NONGIT_OK set, require_work_tree function outside a git repository
gives a syntax error. This is caused by an incorrect use of "test" that
didn't anticipate $(git rev-parse --is-inside-work-tree) may return an
empty string.
Properly quote the argument to "test", and send the standard error stream
to /dev/null to avoid giving duplicate error messages.
Signed-off-by: Gabriel Filion <lelutin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The pagination functionality in git am has some problems:
- It does not check if stdout is a tty, so it always paginates.
- If $GIT_PAGER uses any environment variables, they are being
ignored, since it does not run $GIT_PAGER through eval.
- If $GIT_PAGER is set to the empty string, instead of passing
output through to stdout, it tries to run $dotest/patch.
Fix them. While at it, move the definition of git_pager() to
git-sh-setup so authors of other commands are not tempted to
reimplement it with the same mistakes.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some scripts are expected to be sourced instead of executed on their own.
Avoid some confusion by not marking them executable.
The executable bit was confusing the valgrind support of our test scripts,
which assumed that any executable without a #!-line should be intercepted
and run through valgrind. So during valgrind-enabled tests, any script
sourcing these files actually sourced the valgrind interception script
instead.
Reported-by: Jeff King <peff@peff.net>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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rev-parse --show-toplevel gives the absolute (aka "physical") path of the
toplevel directory and is more portable as 'cd -P' is not supported by all
shell implementations.
This is also closer to what setup_work_tree() does.
Signed-off-by: Steven Drake <sdrake@xnet.co.nz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* rs/work-around-grep-opt-insanity:
Protect scripted Porcelains from GREP_OPTIONS insanity
mergetool--lib: simplify guess_merge_tool()
Conflicts:
git-instaweb.sh
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If the user has exported the GREP_OPTIONS environment variable, the output
from "grep" and "egrep" in scripted Porcelains may be different from what
they expect. For example, we may want to count number of matching lines,
by "grep" piped to "wc -l", and GREP_OPTIONS=-C3 will break such use.
The approach taken by this change to address this issue is to protect only
our own use of grep/egrep. Because we do not unset it at the beginning of
our scripts, hook scripts run from the scripted Porcelains are exposed to
the same insanity this environment variable causes when grep/egrep is used
to implement logic (e.g. "grep | wc -l"), and it is entirely up to the
hook scripts to protect themselves.
On the other hand, applypatch-msg hook may want to show offending words in
the proposed commit log message using grep to the end user, and the user
might want to set GREP_OPTIONS=--color to paint the match more visibly.
The approach to protect only our own use without unsetting the environment
variable globally will allow this use case.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use the new "git var GIT_EDITOR" feature to decide what editor to
use, instead of duplicating its logic elsewhere. This should make
the behavior of commands in edge cases (e.g., editor names with
spaces) a little more consistent.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Scripts should use say() when they want to output non-error messages.
This function helps future script writers easily implement a quiet
option by setting GIT_QUIET to enable suppression of non-error messages.
Signed-off-by: Stephen Boyd <bebarino@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In an earlier patch, we introduced SANE_TOOL_PATH that is prepended to
user's PATH. This had an unintended consequence of overriding user's
private binary directory that typically comes earlier in the PATH to holds
even saner commands than whatever comes with the system.
For example, a user may have ~/bin that is early in the path and contains
a shell script "vi" that launches system's /bin/vi with specific options.
Prepending SANE_TOOL_PATH to the PATH that happens to have "vi" in it
defeats such customization.
This fixes the issue by inserting SANE_TOOL_PATH just before /bin or
/usr/bin appears on the PATH.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some platforms (like SunOS and family) have kept their common binaries at
some historical moment in time, and introduced new binaries with modern
features in a special location like /usr/xpg4/bin or /usr/ucb. Some of the
features provided by these modern binaries are expected and required by git.
If the featureful binaries are not in the users path, then git could end up
using the less featureful binary and fail.
So provide a mechanism to prepend elements to the users PATH at runtime so
the modern binaries will be found.
Signed-off-by: Brandon Casey <drafnel@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In cd_to_toplevel, instead of 'cd $(unset PWD; /bin/pwd)/$path'
use 'cd -P $path'. The "-P" option yields a desirable similarity to
C chdir.
While the "-P" option may be slightly less commonly supported than
/bin/pwd, it is more concise, better tested, and less error prone.
I've already added the 'unset PWD' to fix the /bin/pwd solution on
BSD; there may be more edge cases out there.
This still passes all the same test cases in t5521-pull-symlink.sh and
t2300-cd-to-toplevel.sh, even before updating them to use 'pwd -P'.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On Mac OS X and possibly BSDs, /bin/pwd reads PWD from the environment if
available and shows the logical path by default rather than the physical
one.
Unset PWD before running /bin/pwd in both cd_to_toplevel and its test.
Still use the external /bin/pwd because in my Bash on Linux, the builtin
pwd prints the same result whether or not PWD is set.
Signed-off-by: Marcel M. Cary <marcel@oak.homeunix.org>
Tested-by: Wincent Colaiuta <win@wincent.com> (on Mac OS X 10.5.5)
Tested-by: Marcel Koeppen <git-dev@marzelpan.de> (on Mac OS X 10.5.6)
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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I want directories of my working tree to be linked to from various
paths on my filesystem where third-party components expect them, both
in development and production environments. A build system's install
step could solve this, but I develop scripts and web pages that don't
need to be built. Git's submodule system could solve this, but we
tend to develop, branch, and test those directories all in unison, so
one big repository feels more natural. We prefer to edit and commit
on the symlinked paths, not the canonical ones, and in that setting,
"git pull" fails to find the top-level directory of the repository
while other commands work fine.
"git pull" fails because POSIX shells have a notion of current working
directory that is different from getcwd(). The shell stores this path
in PWD. As a result, "cd ../" can be interpreted differently in a
shell script than chdir("../") in a C program. The shell interprets
"../" by essentially stripping the last textual path component from
PWD, whereas C chdir() follows the ".." link in the current directory
on the filesystem. When PWD is a symlink, these are different
destinations. As a result, Git's C commands find the correct
top-level working tree, and shell scripts do not.
Changes:
* When interpreting a relative upward (../) path in cd_to_toplevel,
prepend the cwd without symlinks, given by /bin/pwd
* Add tests for cd_to_toplevel and "git pull" in a symlinked
directory that failed before this fix, plus contrasting scenarios
that already worked
Signed-off-by: Marcel M. Cary <marcel@oak.homeunix.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When you misuse a git command, you are shown the usage string.
But this is currently shown in the dashed form. So if you just
copy what you see, it will not work, when the dashed form
is no longer supported.
This patch makes git commands show the dash-less version.
For shell scripts that do not specify OPTIONS_SPEC, git-sh-setup.sh
generates a dash-less usage string now.
Signed-off-by: Stephan Beyer <s-beyer@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If the PATH lists the Windows system directories before the MSYS
directories, Windows's own incompatible sort and find commands would be
picked up. We implement these commands as functions and call the real
tools by absolute path.
Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
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Using 'git rev-parse --git-dir' makes the code shorter and more future-
proof.
Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We used to use "cat-file commit $commit" to extract the original
author information from existing commit, but an earlier commit
5ac2715 (Consistent message encoding while reusing log from an
existing commit) changed it to use "git show -s $commit". If
you have a file in your work tree that can be interpreted as a
valid object name (e.g. "HEAD"), this conversion will not work.
Disambiguate by marking the end of revision parameter on the
comand line with an explicit "--" to fix this.
This breakage is most visible with rebase when a file called
"HEAD" exists in the worktree.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Earlier conversion of shell scripts to parse-options made usage()
to run "git cmd -h" which in turn emit LONG_USAGE and exit with 0
status. This is inconsistent with the scripts that do not use
parse-options, whose usage() died with the message, exiting with 1.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This config variable makes it possible to choose the default format
used to display help. This format will be used only if no option
like -a|--all|-i|--info|-m|--man|-w|--web is passed to "git-help".
The following values are possible for this variable:
- "man" --> "man" program is used
- "info" --> "info" program is used
- "web" --> "git-browse-help" is used
By default we still show help using "man".
This patch also adds -m|--man command line option to use "man"
to allow overriding the "help.format" configuration variable.
Note that this patch also revert some recent changes in
"git-browse-help" because they prevented to look for config
variables in the global configuration file.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The users used to be able to say "git help cat-file" from anywhere, but
the browse-help script insisted to be in a git repository, which caused
"git help -w cat-file" to barf outside. Correct it.
While at it, remove leftover debugging "echo".
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The previous patch missed the same construct in git-clone.
Signed-off-by: Pierre Habouzit <madcoder@debian.org>
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The 'automagic parseopt' support corrupted non option parameters
that had IFS characters in them. The worst case is when it had
a non option parameter like this:
$1=" * some string"
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If you set OPTIONS_SPEC, git-sh-setups uses git-rev-parse --parseopt
automatically.
It also diverts usage to re-exec $0 with the -h option as parse-options.c
will catch that.
If you need git-rev-parse --parseopt to keep the `--` the user may have
passed to your command, set OPTIONS_KEEPDASHDASH to a non empty value
in your script.
Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git rev-parse --git-dir" trick does not play well with worktree
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Noticed by Anupam Srivastava.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Quite a few of the scripts are rather careless about using GIT_DIR
while changing directories.
Some try their hands (with different likelihood of success) in making
GIT_DIR absolute.
This patch lets git-sh-setup.sh cater for absolute directories (in a
way that should work reliably also with non-Unix path names) and
removes the respective kludges in git-filter-branch.sh and
git-instaweb.sh.
Signed-off-by: David Kastrup <dak@gnu.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The previous code only allowed specifying a single executable rather
than a complete command like "emacsclient --alternate-editor vi" in
those variables. Since VISUAL/EDITOR appear to be traditionally
passed to a shell for interpretation (as corroborated with "less",
"mail" and "mailx", while the really ancient "more" indeed allows only
an executable name), the shell function git_editor has been amended
appropriately.
"eval" is employed to have quotes and similar interpreted _after_
expansion, so that specifying
EDITOR='"/home/dak/My Commands/notepad.exe"'
can be used for actually using commands with blanks.
Instead of passing just the first argument of git_editor on, we pass
all of them (so that +lineno might be employed at a later point of
time, or so that multiple files may be edited when appropriate).
Strictly speaking, there is a change in behavior: when
git config core.editor
returns a valid but empty string, the fallbacks are still searched.
This is more consistent, and the old code was problematic with regard
to multiple blanks. Putting in additional quotes might have worked,
but quotes inside of command substitution inside of quotes is nasty
enough to not reliably work the same across "Bourne shells".
Signed-off-by: David Kastrup <dak@gnu.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The old version of work-tree support was an unholy mess, barely readable,
and not to the point.
For example, why do you have to provide a worktree, when it is not used?
As in "git status". Now it works.
Another riddle was: if you can have work trees inside the git dir, why
are some programs complaining that they need a work tree?
IOW it is allowed to call
$ git --git-dir=../ --work-tree=. bla
when you really want to. In this case, you are both in the git directory
and in the working tree. So, programs have to actually test for the right
thing, namely if they are inside a working tree, and not if they are
inside a git directory.
Also, GIT_DIR=../.git should behave the same as if no GIT_DIR was
specified, unless there is a repository in the current working directory.
It does now.
The logic to determine if a repository is bare, or has a work tree
(tertium non datur), is this:
--work-tree=bla overrides GIT_WORK_TREE, which overrides core.bare = true,
which overrides core.worktree, which overrides GIT_DIR/.. when GIT_DIR
ends in /.git, which overrides the directory in which .git/ was found.
In related news, a long standing bug was fixed: when in .git/bla/x.git/,
which is a bare repository, git formerly assumed ../.. to be the
appropriate git dir. This problem was reported by Shawn Pearce to have
caused much pain, where a colleague mistakenly ran "git init" in "/" a
long time ago, and bare repositories just would not work.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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These variables let you specify an editor that will be launched in
preference to the EDITOR and VISUAL environment variables. The order
of preference is GIT_EDITOR, core.editor, EDITOR, VISUAL.
[jc: added a test and config variable documentation]
Signed-off-by: Adam Roben <aroben@apple.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This uses the remove-dashes target to replace "git-frotz" to "git frotz".
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* js/rebase:
Teach rebase -i about --preserve-merges
rebase -i: provide reasonable reflog for the rebased branch
rebase -i: several cleanups
ignore git-rebase--interactive
Teach rebase an interactive mode
Move the pick_author code to git-sh-setup
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At the moment, only git-commit uses that code, to pick the author name,
email and date from a given commit.
This code will be reused in git rebase --interactive.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Up to now to check for a working tree this was used:
!is_bare && !inside_git_dir
(the check for bare is redundant because is_inside_git_dir
returned already 1 for bare repositories).
Now the check is:
inside_work_tree && !inside_git_dir
Signed-off-by: Matthias Lederhofer <matled@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Matthias Lederhofer <matled@gmx.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch helps when you accidentally run something like git-clean
in the git directory instead of the work tree.
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: Tom Prince <tom.prince@ualberta.net>
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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Andy Parkins noticed that the error message some "whole tree"
oriented commands emit is stated misleadingly when they refused
to run from a subdirectory.
We could probably allow some of them to work from a subdirectory
but that is a semantic change that could have unintended side
effects, so let's start at first by rewording the error message
to be easier to read without doing anything else to be safe.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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If the user tries to run a porcelainish command which requires
a working directory in a bare repository they may get unexpected
results which are difficult to predict and may differ from command
to command.
Instead we should detect that the current repository is a bare
repository and refuse to run the command there, as there is no
working directory associated with it.
[jc: updated Shawn's original somewhat -- bugs are mine.]
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Sometimes, people have only fetch access into a bare repository
that is used as a back-up location (or a distribution point) but
does not have a push access for networking reasons, e.g. one end
being behind a firewall, and updating the "current branch" in
such a case is perfectly fine.
This allows such a fetch without --update-head-ok, which is a
flag that should never be used by end users otherwise.
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Junio rightly pointed out that the --reflog-action parameter
was starting to get out of control, as most porcelain code
needed to hand it to other porcelain and plumbing alike to
ensure the reflog contained the top-level user action and
not the lower-level actions it invoked.
At Junio's suggestion we are introducing the new set_reflog_action
function to all shell scripts, allowing them to declare early on
what their default reflog name should be, but this setting only
takes effect if the caller has not already set the GIT_REFLOG_ACTION
environment variable.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
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Junio C Hamano
Ramkumar Ramachandra
Pat Thoyts
Uwe Kleine-König
Giuseppe Bilotta
Gabriel Filion
Jonathan Nieder
Steven Drake
Stephen Boyd
Marcel M. Cary
Stephan Beyer
Johannes Sixt
Lars Hjemli
Christian Couder
Pierre Habouzit
Nguyễn Thái Ngọc Duy
David Kastrup
Johannes Schindelin
Adam Roben
Matthias Lederhofer
Tom Prince
Junio C Hamano
Shawn O. Pearce