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If we are started for only a blame/browser/citool run we don't
usually initialize the list of remotes, or determine which refs
are tracking branches and which are local branch heads. This is
because some of that work is relatively expensive and is usually
not going to be needed if we are started only for a blame, or to
make a single commit.
However by not loading the remote configuration we were crashing
if the user tried to open a browser for another branch through
the Repository menu, as our load_all_heads procedure was unable
to decide which refs/heads/ items were actually local heads. We
now force all remote configuration data to be loaded if we have
not done so already and we are trying to create a revision mega
widget.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Resetting a large number of files on a slow filesystem can take
considerable time, just as switching branches in such a case can
take more than two seconds. We now take advantage of the progress
meter output by read-tree and show it in the main window status
bar, just like we do during checkout (branch switch).
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Recent git versions have a git-status that honors the core.excludesfile
configuration option when it reports on untracked files. Unfortunately
I missed the introduction of this configuration option in the core
porcelain implementation, so it was not reflected here in git-gui.
Found and reported by Lars Noschinski <lars@public.noschinski.de>.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Also, the warning message when clicking "Reset" is adapted to
the wording "Reset" rather than a confusion "Cancel commit?".
Signed-off-by: Christian Stimming <stimming@tuhh.de>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If the user is in the middle of a merge and has already started to
modify their commit message we were losing the user's changes when
they pressed 'Rescan' after resolving issues or making changes in
the working directory.
The problem here was our background timer that saves the commit
message buffer. It marks the commit message buffer as not being
modified when it writes it out to disk, so during the rescan we
assumed the buffer should be replaced with what we read from the
MERGE_MSG file. So we now only read these files from .git if we
have a valid backup file. Since we clear it on commit this will
only have an impact while the user is actively editing the current
commit.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we are being asked to merge a tracking branch that comes from a
remote repository accessed by the very common SSH URL format of
"user@host:/path/to/repo" then we really don't need the username
as part of the merge message, it only clutters up the history and
makes things more confusing. So we instead clip the username part
off if the local filesystem path is absolute, as its probably not
going to be an ambiguous URL even when it is missing the username.
On the other hand we cannot clip the username off if the URL is
not absolute, because in such cases (e.g. "user@host:myrepo") the
directory that the repository path is resolved in is relative to
the user's home directory, and the username becomes important.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we are merging a tracking branch we know exactly what remote URL
that branch is fetched from, and what its name is on that remote
repository. In this case we can setup a merge message that looks
just like a standard `git-pull $remote $branch` operation by filling
out FETCH_HEAD before we start git-merge, and then run git-merge just
like git-pull does.
I think the result of this behavior is that merges look a lot nicer
when the came off of local tracking branches, because they no longer
say "commit 'origin/...'" to describe the commit being merged but
instead now mention the specific repository we fetched those commits
from.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Misc. code cleanups in the merge dialog's binding setup and action
button creation.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Now that we only support merging one branch we can offer the user
a better user interface experience by allowing them to select the
revision they want to merge through our revision picking widget.
This change neatly solves the problem of locating a branch out of
a sea of 200 tracking branches, and of dealing with very long branch
names that all have a common prefix.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we can we now show the last modification date of a loose ref as
part of the tooltip information shown in the revision picker. This
gives the user an indication of when was the last time that the ref
was modified locally, and may especially be of interest when looking
at a tracking branch.
If we cannot find the loose ref file than we try to fallback on the
reflog and scan it for the date of the last record. We don't start
with the reflog however as scanning it backwards from the end is not
an easy thing to do in Tcl. So I'm being lazy here and just going
through the entire file, line by line. Since that is less efficient
than a single stat system call, its our fallback strategy.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Our revision chooser mega-widget now sets up tooltips for itself so
that it displays details about a commit (or a tag and the commit
it refers to) when the user mouses over that line in the filtered
ref list. If the item is from a remote tracking branch then we also
show the remote url and what branch on that remote we fetch from, so
the user has a clear concept of where that revision data originated.
To help the merge dialog I've also added a new constructor that
makes the dialog only offer unmerged revisions (those not in HEAD),
as this allows users to avoid performing merges only to get "Already
up to date" messages back from core Git.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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I'm storing the URLs of any pre-configured remote repositories
that we happen to come across so that we can later use these
URLs to show to the user in parts of the UI that might care.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we are checking out the branch we are already on then there is no
need to call symbolic-ref to update the HEAD pointer to the "new"
branch name, it is already correct.
Currently this situation does not happen very often, but it can be
seen in some workflows where the user always recreates their local
branch from a remote tracking branch and more-or-less ignores what
branch he/she is on right now. As they say, ignorance is bliss.
This case will however become a tad more common when we overload
checkout_op to actually also perform all of our merges. In that
case we will likely see that the branch we want to "checkout" is
the current branch, as we are actually just merging into it.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The i18n team has also identified a rather ugly block of code in
git-gui that is used to make a pair of Repository menu items show
the current branch name. This code is difficult to convert to use
[mc ...] to lookup the translation, so I'm refactoring it into a
procedure.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The folks working on the i18n version of git-gui have had some
trouble trying to convert these English strings into [mc] calls
due to the double evaluation. Moving this block into a standard
procedure eliminates the double evaluation, making their work
easier.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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My earlier introduction of the GITGUI_BCK file (which saves the user's
commit message buffer while they are typing it) broke the Quit function.
If the user makes a commit we delete the GITGUI_BCK file; if they then
immediately quit the application we fail to rename the GITGUI_BCK file
to GITGUI_MSG. This is because the file does not exist, but our flag
still says it does. The root cause is we did not unset the flag during
commit.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Junio recently pointed out on the mailing list that our "Add Existing"
feature is a lot like `git add -u`, which is generally described as
"(Re)Add Tracked Files". This came up during discussion of how to
translate "Add Existing" into Japanese, as the individual working on
the translation was not quite sure what the option meant and therefore
had some trouble selecting the best translation.
I'm changing the menu option to "Add Tracked Files To Commit" and the
button to "Add Tracked". This should help new users to better understand
the actions behind those GUI widgets.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we are trying to checkout a local branch which is matched to a
remote tracking branch, but the local branch is newer than the remote
tracking branch we actually just want to switch to the local branch.
The local branch is "Already up to date".
Unfortunately we tossed away the local branch's commit SHA-1 and kept
the remote tracking branch's SHA-1, which meant that the user lost the
local changes when we updated the working directory. At least we did
not update the local branch ref, so the user's data was still intact.
We now toss the tracking branch's SHA-1 and replace with the local
branch's SHA-1 before the checkout, ensuring that we pass of the right
tree to git-read-tree when we update the working directory.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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This menu option of Tools/Migrate has been living inside of git-gui
as a local hack to support some coworkers of mine. It has no value
to anyone outside of my day-job team and never really should have
been in a release version of git-gui. So I'm pulling it out, so
that nobody else has to deal with this garbage.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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This is actually just an underlying code improvement that has no user
visible component yet. UI improvements to actually fetch and merge via
an arbitrary remote with no tracking branches must still follow to make
this change useful for the end-user.
Our tracking branch specifications are a Tcl list of three components:
- local tracking branch name
- remote name/url
- remote branch name/tag name
This change just makes the first element optional. If it is an empty
string we will run the fetch, but have the value be saved only into the
special .git/FETCH_HEAD, where we can pick it up and use it for this one
time operation.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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I totally missed this obvious optimization in the checkout code path.
If our current repository HEAD is actually at the commit we are moving
to, and we agreed to perform this switch earlier, then we have no files
to update in the working directory and any stale mtimes are simply not
of consequence right now. We can pretend like we ran a read-tree and
skip right into the post-read-tree work, such as updating the branch
and setting the symbolic-ref.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we are given a merge type we don't understand in checkout_op there
is probably a bug in git-gui somewhere that allowed this unknown merge
strategy to come into this part of the code path. We currently only
recognize three merge types ('none', 'ff' and 'reset') but are going
to be supporting more in the future. Rather than keep editing this
message I'm going with a very generic "Uh, we don't do that!" type of
error.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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In both the ff and reset merge_types supported by checkout_op the
result is the same if the merge base of our target commit and the
existing commit is the existing commit: its a fast-forward as the
existing commit is fully contained in the target commit.
This minor cleanup in logic will make it easier to implement a
new kind of merge_type that actually merges the two trees with a
real merge strategy, such as git-merge-recursive.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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I've decided to teach checkout_op how to perform more than just a
fast-forward and reset type of merge. This way we can also do a full
recursive merge even when we are recreating an existing branch from
a remote. To help with that process I'm saving the merge-base we
computed during the ff/reset/fail decision process, in case we need
it later on when we actually start a true merge operation.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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A few users have been seeing crashes in Tk when using the undo key
binding to undo the last few keystroke events in the commit buffer.
Unfortunately that means the user loses their commit message and
must start over from scratch when the user restarts the process.
git-gui now saves the user's commit message buffer every couple of
seconds to a temporary file under .git (specifically .git/GITGUI_BCK).
At exit time we rename this file to .git/GITGUI_MSG if there is a
message, the file exists, and it is currently synchronized with the
Tk buffer. Otherwise we do our usual routine of saving the Tk buffer
to .git/GITGUI_MSG and delete .git/GITGUI_BCK, if it exists.
During startup we favor .git/GITGUI_BCK over .git/GITGUI_MSG. This
way a crash doesn't take out the user's message buffer but instead
will cause the user to lose only a few keystrokes. Most people do
not type more than 200 WPM, and with 30 possible saves per minute
we are unlikely to lose more than 7 words.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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I'm working on refactoring the UI of the merge dialog, because as it
currently stands the dialog is absolutely horrible, especially when
you have 200+ branches available from a single remote system.
In that refactoring I plan on using the choose_rev widget to allow
the user to select exactly which branch/commit they want to merge.
However since that only selects a single commit I'm first removing
the code that supports octopus merges.
A brief consultation on #git tonight seemed to indicate that the
octopus merge strategy is not as useful as originally thought when
it was invented, and that most people don't commonly use them. So
making users fall back to the command line to create an octopus is
actually maybe a good idea here, as they might think twice before
they use it.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we haven't yet loaded any commit information for a given line but
our tooltip timer fired and tried to draw the tooltip we shouldn't;
there is nothing to show.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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This is a essentially a copy of Paul Mackerras encoding support from
gitk. I stole the code from gitk commit fd8ccbec4f0161, as Paul has
already done all of the hard work setting up this translation table.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Running global takes slightly longer than just accessing the variable
via its package name, especially if the variable is just only once in
the procedure, or isn't even used at all in the procedure. So this is
a minor cleanup for some of our commonly invoked procedures.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Users who merge often may want to access the merge action quickly,
so we now bind M to the merge action.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Users shouldn't see this menu option if they startup a browser or
blame from the command line, especially if they are doing so on a
bare repository.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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I've found that the class code makes it a whole lot easier to create
more complex GUI code, especially the dialogs. So before I make any
major improvements to the merge dialog's interface I'm going to first
switch it to use the class system, so the code is slightly cleaner.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Showing only five lines of heads/tags is not very useful to a user
when they have about 10 branches that match the filter expression.
The list is just too short to really be able to read easily, at
least not without scrolling up and down. Expanding the list out
to 10 really makes the revision picker easier to read and access,
as you can read the matching branches much more quickly.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Users who are new to Git may not realize that visualizing things in
a repository involves looking at history. Adding in a small amount
of text to the menu items really helps to understand what the action
might do, before you invoke it.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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We now allow users to pick which commit they want to browse through
our revision picking mega-widget. This opens up in a dialog first,
and then opens a tree browser for that selected commit. It is a very
simple approach and requires minimal code changes.
I also clarified the language a bit in the Repository menu, to show
that these actions will access files. Just in case a user is not
quite sure what specific action they are looking for, but they know
they want some sort of file thing.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Like our blame subcommand the browser subcommand now accepts both
a revision and a path, just a revision or just a path. This way
the user can start the subcommand on any branch, or on any subtree.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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A long time ago Linus Torvalds tried to run git-gui on a bare
repository to look at the blame viewer, but it failed to start
because we required that the user run us only from within a
working directory that had a normal git repository associated
with it.
This change relaxes that requirement so that you can start the
tree browser or the blame viewer against a bare repository. In
the latter case we do require that you provide a revision and a
pathname if we cannot find the pathname in the current working
directory.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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By moving our feature option determination up before we look for GIT_DIR
we can make a decision about whether or not we need a working tree up
front, before we look for GIT_DIR. A future change could then allow
us to start in a bare Git repository if we only need access to the ODB.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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I'm moving the code related to looking to see if we should GC now
into a procedure closer to where it belongs, the database module.
This reduces our script by a few lines for the single commit case
(aka citool). But really it just is to help organize the code.
We now perform the check after we have been running for at least
1 second. This way the main window has time to open up and our
dialog (if we open it) will attach to the main window, instead of
floating out in no-mans-land like it did before on Mac OS X.
I had to use a wait of a full second here as a wait of 1 millisecond
made our console install itself into the main window. Apparently we
had a race condition with the console code where both the console and
the main window thought they were the main window.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Some users may do odd things, like tag their own private version of
Git with an annotated tag such as 'testver', then compile that git
and try to use it with git-gui. In such a case `git --version` will
give us 'git version testver', which is not a numeric argument that
we can pass off to our version comparsion routine.
We now check that the cleaned up git version is a going to pass the
version comparsion routine without failure. If it has a non-numeric
component, or lacks at least a minor revision then we ask the user to
confirm they really want to use this version of git within git-gui.
If they do we shall assume it is git 1.5.0 and run with only the code
that will support.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Instead of running a full git-count-objects to count all of the loose
objects we can get a reasonably close approximation by counting the
number of files in the .git/objects/42 subdirectory. This works out
reasonably well because the SHA-1 hash has a fairly even distribution,
so every .git/objects/?? subdirectory should get a relatively equal
number of files. If we have at least 8 files in .git/objects/42 than it
is very likely there is about 8 files in every other directory, leaving
us with around 2048 loose objects.
This check is much faster, as we need to only perform a readdir of
a single directory, and we can do it directly from Tcl and avoid the
costly fork+exec.
All of the credit on how clever this is goes to Linus Torvalds; he
suggested using this trick in a post commit hook to repack every so
often.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we have more than our desired number of objects and we try to
open the "Do you want to repack now?" dialog we cannot include a
-parent . argument if the main window has not been mapped yet.
On Mac OS X it appears this window isn't mapped right away, so we
had better hang avoid including it.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Not every caller of 'git' or 'git_pipe' wants to use nice to lower the
priority of the process its executing. In many cases we may never use
the nice process to launch git. So we can avoid searching our $PATH
to locate a suitable nice if we'll never actually use it.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The git-gui version check doesn't handle versions of the form
n.n.n.GIT which you can get by installing from an tarball produced by
git-archive.
Without this change you get an error of the form:
'Error in startup script: expected version number but got "1.5.3.GIT"'
Signed-off-by: Julian Phillips <julian@quantumfyre.co.uk>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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On Windows (which includes Cygwin) Tcl defaults to leaving the EOF
character of input file streams set to the ASCII EOF character, but
if that character were to appear in the data stream then Tcl will
close the channel early. So we have to disable eofchar on Windows.
Since the default is disabled on all platforms except Windows, we
can just disable it everywhere to prevent any sort of read problem.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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My prior change to allow git-gui to run with a version of Git
that was built from a working directory that had uncommitted
changes didn't account for the pattern starting with -, and
that confused Tcl.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If the user is running a 'dirty' version of git (one compiled in a
working directory with modified files) we want to just assume it
was a committed version, as we really only look at the part that
came from a real annotated tag anyway.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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This cat-file was done on maint, where we did not have git_read
available to us. But here on master we do, so we should make
use of it.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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* maint:
git-gui: Work around bad interaction between Tcl and cmd.exe on ^{tree}
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From Johannes Sixt <J.Sixt@eudaptics.com>:
> It seems that MSYS's wish does some quoting for Bourne shells,
> in particular, escape the first '{' of the "^{tree}" suffix, but
> then it uses cmd.exe to run "git rev-parse". However, cmd.exe does
> not remove the backslash, so that the resulting rev expression
> ends up in git's guts as unrecognizable garbage: rev-parse fails,
> and git-gui hickups in a way that it must be restarted.
Johannes originally submitted a patch to this section of commit.tcl
to use `git rev-parse $PARENT:`, but not all versions of Git will
accept that format. So I'm just taking the really simple approach
here of scanning the first line of the commit to grab its tree.
About the same cost, but works everywhere.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Shawn O. Pearce
Christian Stimming
Julian Phillips