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* cn/maint-branch-with-bad:
branch: don't assume the merge filter ref exists
Conflicts:
t/t3200-branch.sh
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print_ref_list looks up the merge_filter_ref and assumes that a valid
pointer is returned. When the object doesn't exist, it tries to
dereference a NULL pointer. This can be the case when git branch
--merged is given an argument that isn't a valid commit name.
Check whether the lookup returns a NULL pointer and die with an error
if it does. Add a test, while we're at it.
Signed-off-by: Carlos Martín Nieto <cmn@elego.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It is very easy to mistype the branch name when editing its description,
e.g.
$ git checkout -b my-topic master
: work work work
: now we are at a good point to switch working something else
$ git checkout master
: ah, let's write it down before we forget what we were doing
$ git branch --edit-description my-tpoic
The command does not notice that branch 'my-tpoic' does not exist. It is
not lost (it becomes description of an unborn my-tpoic branch), but is not
very useful. So detect such a case and error out to reduce the grief
factor from this common mistake.
This incidentally also errors out --edit-description when the HEAD points
at an unborn branch (immediately after "init", or "checkout --orphan"),
because at that point, you do not even have any commit that is part of
your history and there is no point in describing how this particular
branch is different from the branch it forked off of, which is the useful
bit of information the branch description is designed to capture.
We may want to special case the unborn case later, but that is outside the
scope of this patch to prevent more common mistakes before 1.7.9 series
gains too much widespread use.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jn/branch-move-to-self:
Allow checkout -B <current-branch> to update the current branch
branch: allow a no-op "branch -M <current-branch> HEAD"
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* nd/resolve-ref:
Rename resolve_ref() to resolve_ref_unsafe()
Convert resolve_ref+xstrdup to new resolve_refdup function
revert: convert resolve_ref() to read_ref_full()
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* jn/branch-move-to-self:
Allow checkout -B <current-branch> to update the current branch
branch: allow a no-op "branch -M <current-branch> HEAD"
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resolve_ref() may return a pointer to a shared buffer and can be
overwritten by the next resolve_ref() calls. Callers need to
pay attention, not to keep the pointer when the next call happens.
Rename with "_unsafe" suffix to warn developers (or reviewers) before
introducing new call sites.
This patch is generated using the following command
git grep -l 'resolve_ref(' -- '*.[ch]'|xargs sed -i 's/resolve_ref(/resolve_ref_unsafe(/g'
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* nd/resolve-ref:
Copy resolve_ref() return value for longer use
Convert many resolve_ref() calls to read_ref*() and ref_exists()
Conflicts:
builtin/fmt-merge-msg.c
builtin/merge.c
refs.c
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* jc/request-pull-show-head-4:
request-pull: use the annotated tag contents
fmt-merge-msg.c: Fix an "dubious one-bit signed bitfield" sparse error
environment.c: Fix an sparse "symbol not declared" warning
builtin/log.c: Fix an "Using plain integer as NULL pointer" warning
fmt-merge-msg: use branch.$name.description
request-pull: use the branch description
request-pull: state what commit to expect
request-pull: modernize style
branch: teach --edit-description option
format-patch: use branch description in cover letter
branch: add read_branch_desc() helper function
Conflicts:
builtin/branch.c
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resolve_ref() may return a pointer to a static buffer. Callers that
use this value longer than a couple of statements should copy the
value to avoid some hidden resolve_ref() call that may change the
static buffer's value.
The bug found by Tony Wang <wwwjfy@gmail.com> in builtin/merge.c
demonstrates this. The first call is in cmd_merge()
branch = resolve_ref("HEAD", head_sha1, 0, &flag);
Then deep in lookup_commit_or_die() a few lines after, resolve_ref()
may be called again and destroy "branch".
lookup_commit_or_die
lookup_commit_reference
lookup_commit_reference_gently
parse_object
lookup_replace_object
do_lookup_replace_object
prepare_replace_object
for_each_replace_ref
do_for_each_ref
get_loose_refs
get_ref_dir
get_ref_dir
resolve_ref
All call sites are checked and made sure that xstrdup() is called if
the value should be saved.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When on master, "git checkout -B master <commit>" is a more natural way to
say "git reset --keep <commit>", which was originally invented for the
exact purpose of moving to the named commit while keeping the local changes
around.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Overwriting the current branch with a different commit is forbidden, as it
will make the status recorded in the index and the working tree out of
sync with respect to the HEAD. There however is no reason to forbid it if
the current branch is renamed to itself, which admittedly is something
only an insane user would do, but is handy for scripts.
Test script is by Conrad Irwin.
Reported-by: Soeren Sonnenburg <sonne@debian.org>
Reported-by: Josh Chia (谢任中)
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Conrad Irwin <conrad.irwin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The option --force should not put us in 'create branch' mode. The
fact that this option is only valid in 'create branch' mode is
already caught by the the next 'if' in which we assure that we
are in the correct mode.
Without this patch, "git branch -f" without any other argument ends
up calling create_branch without any branch name.
Signed-off-by: Vincent van Ravesteijn <vfr@lyx.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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resolve_ref() may return a pointer to a static buffer, which is not
safe for long-term use because if another resolve_ref() call happens,
the buffer may be changed. Many call sites though do not care about
this buffer. They simply check if the return value is NULL or not.
Convert all these call sites to new wrappers to reduce resolve_ref()
calls from 57 to 34. If we change resolve_ref() prototype later on
to avoid passing static buffer out, this helps reduce changes.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Modify the option parsing heuristic to handle all -m (rename) cases,
including the no-arg case.
Previously, this "fell through" to the (argc <= 2) case and caused
segfault.
Reported-by: Stefan Näwe <stefan.naewe@atlas-elektronik.com>
Signed-off-by: Tay Ray Chuan <rctay89@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Using branch.$name.description as the configuration key, give users a
place to write about what the purpose of the branch is and things like
that, so that various subsystems, e.g. "push -s", "request-pull", and
"format-patch --cover-letter", can later be taught to use this
information.
The "-m" option similar to "commit/tag" is deliberately omitted, as the
whole point of branch description is about giving descriptive information
(the name of the branch itself is a better place for information that fits
on a single-line).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* mg/branch-list:
t3200: clean up checks for file existence
branch: -v does not automatically imply --list
branch: allow pattern arguments
branch: introduce --list option
git-branch: introduce missing long forms for the options
git-tag: introduce long forms for the options
t6040: test branch -vv
Conflicts:
Documentation/git-tag.txt
t/t3200-branch.sh
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* ci/forbid-unwanted-current-branch-update:
branch --set-upstream: regression fix
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The "git branch" command, while not in listing mode, calls create_branch()
even when the target branch already exists, and it does so even when it is
not interested in updating the value of the branch (i.e. the name of the
commit object that sits at the tip of the existing branch). This happens
when the command is run with "--set-upstream" option.
The earlier safety-measure to prevent "git branch -f $branch $commit" from
updating the currently checked out branch did not take it into account,
and we no longer can update the tracking information of the current branch.
Minimally fix this regression by telling the validation code if it is
called to really update the value of a potentially existing branch, or if
the caller merely is interested in updating auxiliary aspects of a branch.
Reported-and-Tested-by: Jay Soffian
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"branch -v" without other options or parameters still works in the list
mode, but that is not because there is "-v" but because there is no
parameter nor option.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Allow pattern arguments for the list mode just like for git tag -l.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently, there is no way to invoke the list mode explicitly, without
giving -v to force verbose output.
Introduce a --list option which invokes the list mode. This will be
beneficial for invoking list mode with pattern matching, which otherwise
would be interpreted as branch creation.
Along with --list, test also combinations of existing options.
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Long forms are better to memorize and more reliably uniform across
commands.
Names follow precedents, e.g. "git log --remotes".
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ci/forbid-unwanted-current-branch-update:
Show interpreted branch name in error messages
Prevent force-updating of the current branch
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* jk/color-and-pager:
want_color: automatically fallback to color.ui
diff: don't load color config in plumbing
config: refactor get_colorbool function
color: delay auto-color decision until point of use
git_config_colorbool: refactor stdout_is_tty handling
diff: refactor COLOR_DIFF from a flag into an int
setup_pager: set GIT_PAGER_IN_USE
t7006: use test_config helpers
test-lib: add helper functions for config
t7006: modernize calls to unset
Conflicts:
builtin/commit.c
parse-options.c
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"git branch -M <foo> <current-branch>" allows updating the current branch
which HEAD points, without the necessary house-keeping that git reset
normally does to make this operation sensible. It also leaves the reflog
in a confusing state (you would be warned when trying to read it).
"git checkout -B <current branch> <foo>" is also partly vulnerable to this
bug; due to inconsistent pre-flight checks it would perform half of its
task and then abort just before rewriting the branch. Again this
manifested itself as the index file getting out-of-sync with HEAD.
"git branch -f" already guarded against this problem, and aborts with
a fatal error.
Update "git branch -M", "git checkout -B" and "git branch -f" to share the
same check before allowing a branch to be created. These prevent you from
updating the current branch.
We considered suggesting the use of "git reset" in the failure message
but concluded that it was not possible to discern what the user was
actually trying to do.
Signed-off-by: Conrad Irwin <conrad.irwin@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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All of the "do we want color" flags default to -1 to
indicate that we don't have any color configured. This value
is handled in one of two ways:
1. In porcelain, we check early on whether the value is
still -1 after reading the config, and set it to the
value of color.ui (which defaults to 0).
2. In plumbing, it stays untouched as -1, and want_color
defaults it to off.
This works fine, but means that every porcelain has to check
and reassign its color flag. Now that want_color gives us a
place to put this check in a single spot, we can do that,
simplifying the calling code.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When we read a color value either from a config file or from
the command line, we use git_config_colorbool to convert it
from the tristate always/never/auto into a single yes/no
boolean value.
This has some timing implications with respect to starting
a pager.
If we start (or decide not to start) the pager before
checking the colorbool, everything is fine. Either isatty(1)
will give us the right information, or we will properly
check for pager_in_use().
However, if we decide to start a pager after we have checked
the colorbool, things are not so simple. If stdout is a tty,
then we will have already decided to use color. However, the
user may also have configured color.pager not to use color
with the pager. In this case, we need to actually turn off
color. Unfortunately, the pager code has no idea which color
variables were turned on (and there are many of them
throughout the code, and they may even have been manipulated
after the colorbool selection by something like "--color" on
the command line).
This bug can be seen any time a pager is started after
config and command line options are checked. This has
affected "git diff" since 89d07f7 (diff: don't run pager if
user asked for a diff style exit code, 2007-08-12). It has
also affect the log family since 1fda91b (Fix 'git log'
early pager startup error case, 2010-08-24).
This patch splits the notion of parsing a colorbool and
actually checking the configuration. The "use_color"
variables now have an additional possible value,
GIT_COLOR_AUTO. Users of the variable should use the new
"want_color()" wrapper, which will lazily determine and
cache the auto-color decision.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Usually this function figures out for itself whether stdout
is a tty. However, it has an extra parameter just to allow
git-config to override the auto-detection for its
--get-colorbool option.
Instead of an extra parameter, let's just use a global
variable. This makes calling easier in the common case, and
will make refactoring the colorbool code much simpler.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use the value from 'core.abbrev' configuration variable unless user
specifies the length on command line when showing commit object name
in "branch -v" output.
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* maint-1.7.5:
test: skip clean-up when running under --immediate mode
"branch -d" can remove more than one branches
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Since 03feddd (git-check-ref-format: reject funny ref names, 2005-10-13),
"git branch -d" can take more than one branch names to remove.
The documentation was correct, but the usage string was not.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jk/format-patch-am:
format-patch: preserve subject newlines with -k
clean up calling conventions for pretty.c functions
pretty: add pp_commit_easy function for simple callers
mailinfo: always clean up rfc822 header folding
t: test subject handling in format-patch / am pipeline
Conflicts:
builtin/branch.c
builtin/log.c
commit.h
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Many callers don't actually care about the pretty print
context at all; let's just give them a simple way of
pretty-printing a commit without having to create a context
struct.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* ab/i18n-st: (69 commits)
i18n: git-shortlog basic messages
i18n: git-revert split up "could not revert/apply" message
i18n: git-revert literal "me" messages
i18n: git-revert "Your local changes" message
i18n: git-revert basic messages
i18n: git-notes GIT_NOTES_REWRITE_MODE error message
i18n: git-notes basic commands
i18n: git-gc "Auto packing the repository" message
i18n: git-gc basic messages
i18n: git-describe basic messages
i18n: git-clean clean.requireForce messages
i18n: git-clean basic messages
i18n: git-bundle basic messages
i18n: git-archive basic messages
i18n: git-status "renamed: " message
i18n: git-status "Initial commit" message
i18n: git-status "Changes to be committed" message
i18n: git-status shortstatus messages
i18n: git-status "nothing to commit" messages
i18n: git-status basic messages
...
Conflicts:
builtin/branch.c
builtin/checkout.c
builtin/clone.c
builtin/commit.c
builtin/grep.c
builtin/merge.c
builtin/push.c
builtin/revert.c
t/t3507-cherry-pick-conflict.sh
t/t7607-merge-overwrite.sh
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Introduce a add_verbose_info function that takes care of adding
- an abbreviated object name;
- a summary of the form [ahead x, behind y] of the relationship
to the corresponding upstream branch;
- a one line commit subject
for the tip commit of a branch, for use in "git branch -v" output.
No functional change intended. This just unindents the code a little
and makes it easier to skip on first reading.
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Gettextize the "(no branch)" message that's shown by "git branch" when
you're in a detached HEAD.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Make the "git branch -v" messages translatable, e.g.:
5054b57 [ahead 8] branch error fixup
This is possibly a plumbing message.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Gettextize the "Deleted %sbranch %s (was %s).\n" messages. test in
t3200-branch.sh explicitly checked for this message. Change it to skip
under GETTEXT_POISON=YesPlease.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This could be done better by splitting it up, but it would change too
much code, which I'm trying to avoid at this point. Instead add a
TRANSLATORS comment to explain what "remote " does.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Eric Hanchrow <eric.hanchrow@gmail.com>
Helped-by: Jay Soffian <jaysoffian@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Thiago Farina <tfransosi@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jn/git-cmd-h-bypass-setup:
update-index -h: show usage even with corrupt index
merge -h: show usage even with corrupt index
ls-files -h: show usage even with corrupt index
gc -h: show usage even with broken configuration
commit/status -h: show usage even with broken configuration
checkout-index -h: show usage even in an invalid repository
branch -h: show usage even in an invalid repository
Conflicts:
builtin/merge.c
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Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add OPT__FORCE as a helper macro in the same spirit as OPT__VERBOSE
et.al. to simplify defining -f/--force options.
Signed-off-by: Rene Scharfe <rene.scharfe@lstfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Allows better help text to be defined than "be verbose". Also make use
of the macro in places that already had a different description. No
object code changes intended.
Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There is no need for "git branch -h" to try to access a repository.
In the spirit of v1.6.6-rc0~34^2~3 (Let 'git <command> -h' show usage
without a git dir, 2009-11-09). This brings git one step closer to
passing the following (automatically verifiable) test:
Before any repository access (aside from git_config()), a
function from the setup_git_directory_* family has been run
and thus one step closer to being able to use an automatic repository
access checker.
[jn: simplified; new commit message, test]
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* sm/branch-broken-ref:
branch: don't fail listing branches if one of the commits wasn't found
branch: exit status now reflects if branch listing finds an error
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Junio C Hamano
Carlos Martín Nieto
Nguyễn Thái Ngọc Duy
Jonathan Nieder
Vincent van Ravesteijn
Tay Ray Chuan
Michael J Gruber
Conrad Irwin
Jeff King
Namhyung Kim
Ævar Arnfjörð Bjarmason
Eric Hanchrow
Thiago Farina
René Scharfe