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669 Commits

Author SHA1 Message Date
Shawn O. Pearce
28e86952dd git-gui: Change repository browser radio buttons to hyperlinks
Making a user click twice to select which action they want to perform
when starting git-gui is just wasting their time.  Clicking once on a
radio button and then clicking again on the "Next >" button is quite
unnecessary.

Since the recent repository list is shown as a list of hyperlinks we
now offer the 3 basic startup actions as hyperlinks.  Clicking on a
link will immediately jump to the next UI panel, saving the user time
as they don't need to click an additional button.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-12 01:34:36 -04:00
Steffen Prohaska
24f7c64b21 git-gui: offer a list of recent repositories on startup
If git-gui is started outside a work tree the repository chooser
will offer a list of recently opened repositories.  Clicking on
any list entry directly opens the repository.

The list of recently opened repositories is stored in the config
as the multi-valued option gui.recentrepo. If the list grows beyond
10 entries it will be truncated by removing one of the older entries.

Only repositories that are opened through the repository chooser
will get added to the recent list.  Repositories opened from the
shell will not yet be added to the recent list, as users are likely
to have a way to easily return to the same directory via their shell.

[sp: This is actually a combined work from both Steffen and myself.
     Most of the ideas are Steffen's, as is the basic outline of
     the code, but any outstanding bugs are entirely my fault.]

Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-12 01:13:55 -04:00
Shawn O. Pearce
85f7a94b3c git-gui: Support LFs embedded in config file values
Using the new --null option added to git-config in git 1.5.3 we
can safely accept LFs that are embedded in configuration options.
This does require a completely different configuration file parser
then the pre 1.5.3 version as we are splitting on very different
values.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-12 00:54:15 -04:00
Shawn O. Pearce
f00d504a6f git-gui: Refactor git-config --list parsing
The parsing for the output of `git config --list` is the same for
both the global options and the current repository's options so we
can really just use the same parser between them.

I'm currently just refactoring the parser so we can use a different
one depending on the version of git available to us at runtime.  My
next change will add support for 1.5.3's --null option.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-12 00:42:17 -04:00
Shawn O. Pearce
69f85ffaa2 git-gui: Move load_config procedure below git-version selection
To better handle configuration options that contain LFs in their
values we want to use the new -z option available in git-config
version 1.5.3 and later.  To configure load_config based upon the
git version we need to move thos below the git-version computation.

No logic changes yet, just a minor reordering of the code.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-12 00:34:04 -04:00
Johannes Sixt
a0592d3f57 git-gui: Change main window layout to support wider screens
The layout is changed to have the file lists at the left (Unstaged
Changes at the top, Staged Changes below it) and the diff window
at the right (with the commit area below it).

  +----------+---------------------+
  | Unstaged |  Diff area          |
  |          |                     |
  |          |                     |
  |          |                     |
  +----------+                     |
  | Staged   |                     |
  |          +---------------------+
  |          |  Commit area        |
  |          |                     |
  +----------+---------------------+

The advantages are:

  - The height of the file lists can be adjusted independently to
    fit the files that they contain.
  - The diff viewer is higher.

On wide screens it is ok that the main window is now generally
wider, too.

Signed-off-by: Johannes Sixt <johannes.sixt@telecom.at>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-12 00:14:33 -04:00
Michele Ballabio
4dcf4e0ed4 git-gui: update Italian translation
An Italian glossary was also added. Some changes:
 * commit (verb): (creare una) nuova revisione
 * commit (noun): revisione
 * checkout: attivazione
 * tracking branch: duplicato locale di ramo remoto
 * repository: archivio
 * some terms are used with more consistency

Signed-off-by: Michele Ballabio <barra_cuda@katamail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-12 00:12:07 -04:00
Shawn O. Pearce
57364320bf git-gui: Updated po strings based on current sources 2007-10-10 04:11:43 -04:00
Steffen Prohaska
99fe594d96 git-gui: add mingw specific startup wrapper
The wrapper adds the directory it is installed in to PATH.
This is required for the git commands implemented in shell.
git-gui fails to launch them if PATH is not modified.

The wrapper script also accepts an optional command line
switch '--working-dir <dir>' and changes to <dir> before
launching the actual git-gui. This is required to implement
the "Git Gui Here" Explorer shell extension.

As a last step the original git-gui script is launched,
which is expected to be located in the same directory
under the name git-gui.tcl.

Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-10 03:50:01 -04:00
Steffen Prohaska
a16b74e72c git-gui: set NO_MSGFMT to force using pure tcl replacement in msysgit
Shawn's git-gui Makefile supports the pure tcl replacement
for msgfmt if setting NO_MSGFMT. This patch sets the NO_MSGFMT
for msysgit.

Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-10 03:47:38 -04:00
Steffen Prohaska
be700fe30f git-gui: add directory git-gui is located in to PATH (on Windows)
This commit modifies PATH to include a good guess where git
could be found. The first location to search for executable is
the directory git-gui is installed in. This is a good guess for
a sane installation.

Even if git is not available in PATH, git-gui is now able
to find it. Hence git-gui can be passed to wish as an absolute
path without caring about the environment.

We must modify PATH to be able to spawn shell based git commands.
For builtins it would be sufficient to located them and execute
them with their absolute path. But for shell based git commmands
PATH needs to be modified.

Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-10 02:26:00 -04:00
Shawn O. Pearce
3ea16e569a Merge branch 'cs/de'
* cs/de:
  git-gui: Update German translation, including latest glossary changes
  git-gui: Incorporate glossary changes into existing German translation
  git-gui: Update German glossary according to mailing list discussion
  git-gui: Add more words to translation glossary
2007-10-10 01:23:23 -04:00
Christian Stimming
1d6e05f6bd git-gui: Update German translation, including latest glossary changes 2007-10-10 01:20:31 -04:00
Christian Stimming
aad2dc2763 git-gui: Incorporate glossary changes into existing German translation 2007-10-10 01:20:20 -04:00
Christian Stimming
becfb01553 git-gui: Update German glossary according to mailing list discussion 2007-10-10 01:20:04 -04:00
Christian Stimming
2ce3755a55 git-gui: Add more words to translation glossary 2007-10-10 01:19:48 -04:00
Shawn O. Pearce
c73ce762f0 git-gui: Shorten the staged/unstaged changes title bar text
The titles for the staged and unstaged areas were usually opening
up too narrow by default, causing the text to be clipped by Tcl as
it tried to center the text in the middle of the available area.
This meant that users who were new to git-gui did not get to see
the entire header and may be unclear about what the different lists
are.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-10 01:12:18 -04:00
Shawn O. Pearce
13824e2df2 git-gui: Bind Cmd-, to Preferences on Mac OS X
A Mac OS X UI convention is to have Cmd-, be the accelerator key
for the preferences window, which by convention is located in the
apple menu under a separator below the about command.  We also now
call this "Preferences..." as that is the conventional term used
in English.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-10 01:12:18 -04:00
Shawn O. Pearce
6bdf5e5f20 git-gui: Consolidate the Fetch and Push menus into a Remote menu
Sometimes the Fetch menu looks really odd, such as if you are in a
repository that has no remotes configured when you start git-gui.
Here we didn't have any items to add to the Fetch menu so it was a
tad confusing for the end-user to see an empty menu on the menu bar.

We now place all of the commands related to fetching and pushing of
changes into a single "Remote" menu.  This way we have a better class
of bucket that we can drop additional remote related items into such
as doing a remote merge or editing the remote configuration specs.

The shortcuts to execute fetch/remote prune/push on existing remote
specifications are now actually submenus listing the remotes by name.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-10 01:12:17 -04:00
Shawn O. Pearce
1cad232f92 git-gui: Use progress meter in the status bar during index updates
If we are updating the index to stage or unstage changes or reverting
files in the working directory we can use the progress handling parts
of our status bar to perform this display work, reducing the amount of
code duplication we have in the index handling module.

Unfortunately the status bar is still a strict approximation as it is
unable to know when git-update-index has processed the data we fed to
it.  The progress bar is actually a progress of the pipe buffer filling
up in the OS, not of the actual work done.  Still, it tells the user we
are working and that has some value.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-10 01:12:17 -04:00
Shawn O. Pearce
51e1eadb7c git-gui: Include our Git logo in the about dialog
Most applications tend to have some sort of pretty image in the
about dialog, because it spruces the screen up a little bit and
makes the user happy about reading the information shown there.
We already have a logo in the repository selection wizard so we
can easily reuse this in the about dialog.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-10 01:12:16 -04:00
Shawn O. Pearce
68099eeeed git-gui: Refactor about dialog code into its own module
The about dialog is getting somewhat long in size and will probably
only get more complex as I try to improve upon its display.  As the
options dialog is even more complex than the about dialog we move
the about dialog into its own module to reduce the complexity of the
option dialog module.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-10 01:12:16 -04:00
Shawn O. Pearce
281fdf6921 git-gui: Refactor Henrik Nyh's logo into its own procedure
By moving the logo into its own procedure we can use it in
multiple locations within the UI, but still load it only if
the logo is going to be used by the application.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-10 01:12:15 -04:00
Shawn O. Pearce
b7d68258a3 Merge branch 'maint'
* maint:
  git-gui: accept versions containing text annotations, like 1.5.3.mingw.1
2007-10-10 01:09:41 -04:00
Steffen Prohaska
96f11953c0 git-gui: accept versions containing text annotations, like 1.5.3.mingw.1
This commit teaches git-gui to accept versions with annotations
that start with text and optionally end with a dot followed by
a number.

This is needed by the current versioning scheme of msysgit,
which uses versions like 1.5.3.mingw.1. However, the changes
is not limited to this use case. Any version of the form
<numeric version>.<anytext>.<number> would be parsed and only
the starting <numeric version> used for validation.

[sp: Minor edit to remove unnecessary group matching]

Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-07 17:15:27 -07:00
Shawn O. Pearce
1952aa1d57 git-gui: Allow forced push into remote repository
Some workflows allow the user to forcefully update a remote branch,
such as in a "proposed updates" (aka "pu") branch where the branch
is rewound and rebuilt on a daily basis against the current master
branch.  In such a case the "--force" or leading + must be used to
make git-push execute anyway, even though it may be discarding one
or more commits on the remote side.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-03 00:21:50 -04:00
Shawn O. Pearce
e73bfa7709 Merge branch 'maint'
* maint:
  git-gui: Don't crash when starting gitk from a browser session
  git-gui: Allow gitk to be started on Cygwin with native Tcl/Tk

Conflicts:

	git-gui.sh
2007-10-03 00:17:19 -04:00
Shawn O. Pearce
906ab7f6c0 git-gui: Don't crash when starting gitk from a browser session
If the user has started git-gui from the command line as a browser
we offer the gitk menu options but we didn't create the main status
bar widget in the "." toplevel.  Trying to access it while starting
gitk just results in Tcl errors.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-03 00:16:04 -04:00
Shawn O. Pearce
501e4c6f23 git-gui: Allow gitk to be started on Cygwin with native Tcl/Tk
gitk expects $env(GIT_DIR) to be valid as both a path that core Git
and Tcl/Tk can resolve to a valid directory, but it has no special
handling for Cygwin style UNIX paths and Windows style paths.  So
we need to do that for gitk and ensure that only relative paths are
fed to it, thus allowing both Cygwin style and UNIX style paths to
be resolved.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-10-03 00:14:18 -04:00
Shawn O. Pearce
0b2bc460fc git-gui: Refer to ourselves as "Git Gui" and not "git-gui"
When displaying the name of the application in window titles
and menu options (e.g. "About [appname]") we would prefer to
call ourselves "Git Gui" over "git-gui" as the former name is
now being actively used in the Mac OS X UI strings and just
plain looks better to the reader.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-27 22:17:01 -04:00
Shawn O. Pearce
72a8e81d45 git-gui: Support a native Mac OS X application bundle
If we are building on Darwin (sometimes known as Mac OS X) and we
find the Mac OS X Tk.framework in the expected location we build
a proper Mac OS X application bundle with icons and info list.  The
git-gui and git-citool commands are modified to be very short shell
scripts that just execute the application bundle, starting Tk with
our own info list and icon set.

Although the Makefile change here is rather large it makes for a
much more pleasant user experience on Mac OS X as git-gui now has
its own icon on the dock, in the standard tk_messageBox dialogs,
and the application name now says "Git Gui" instead of "Wish" in
locations such as the menu bar and the alt-tab window.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-27 22:17:00 -04:00
Shawn O. Pearce
1bdd8a1535 git-gui: Use Henrik Nyh's git logo icon on Windows systems
Rather than displaying the stock red "Tk" icon in our window
title bars and on the task bar we now show a Git specific logo.
This is Henrik Nyh's logo that we also use in the startup wizard,
scaled to a 16x16 image for Windows task bar usage with a proper
transparent background.

Signed-off-by: Shawn O. Pearce <shawn.o.pearce@bankofamerica.com>
2007-09-27 22:15:54 -04:00
Michele Ballabio
cbf13d9e0c git-gui: fix typo in lib/blame.tcl
Signed-off-by: Michele Ballabio <barra_cuda@katamail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-27 22:12:49 -04:00
Shawn O. Pearce
96225dbe96 git-gui: Make the status bar easier to read in the setup wizard
The setup wizard looks better if we layout the progress bar as
two lines:  the first line holds the message text and our text
formatting of the progress while the second line holds the bar
itself.  Both extend the full width of the window and we try to
pad out the message text so the window doesn't expand when the
completed progress number jumps to the next order of magnitude.

This change required updating the progress meter format string
to allow the application to supply the precision.  So we also
are updating all of the translations at once to use the newer
formatting string.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-26 15:31:42 -04:00
Shawn O. Pearce
a7cb8f583f git-gui: Switch the git-gui logo to Henrik Nyh's logo
Henrik came up with this alternative logo for gitweb and posted
it on his blog:

  http://henrik.nyh.se/2007/06/alternative-git-logo-and-favicon

The msysGit port uses his logo within some of their components,
and frankly it looks better here in git-gui for our repository
setup wizard screen.  The logo fits quite nicely along the left
edge of our window, leaving significantly more vertical space
for things like the git-fetch console output.

Because the logo changes the layout charateristics of the setup
window I also needed to adjust some of the padding for our widgets
and stop using a fixed width window size.  We now let Tk compute
the correct size of the main window whenever the layout changes,
and drop the window into roughly the upper left 1/3 of the desktop
so its not quite centered but is likely to be far enough away from
any sort of task bars/menu bars/docks that the user may have along
any edge of the screen.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-26 14:59:09 -04:00
Shawn O. Pearce
59213f60b7 git-gui: Don't delete scrollbars in console windows
If we have added a scrollbar to the console window because one
direction has too much text to fit in the available screen space
we should just keep the scrollbars.  Its annoying to watch our
horizontal scrollbar bounce in and out of the window as additional
text is inserted into the widget and the need for the scrollbar
comes and goes.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-26 14:16:45 -04:00
Shawn O. Pearce
6f2d73ec0c git-gui: Don't delete console window namespaces too early
If the console finishes displaying its output and is "done" but
needs to draw a scrollbar to show the final output messages it
is possible for Tk to delete the window namespace before it does
the text widget updates, which means we are unable to add the
horizontal or vertical scrollbar to the window when the text
widget decides it cannot draw all glyphs on screen.

We need to delay deleting the window namespace until we know
the window is not going to ever be used again.  This occurs if
we are done receiving output, the command is successful and the
window is closed, or if the window is open and the user chooses
to close the window after the command has completed.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-26 14:06:08 -04:00
Johannes Schindelin
cd38c86fd8 git-gui: add a simple msgfmt replacement
The program "msgfmt" was our only dependency on gettext.  Since it
is more than just a hassle to compile gettext on MinGW, here is a
(very simple) drop-in replacement, which Works For Us.

[sp: Changed Makefile to enable/disable po2msg.sh by the new
     NO_MSGFMT variable.]

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-24 23:25:08 -04:00
Shawn O. Pearce
85f77eadcc git-gui: Copy objects/info/alternates during standard clone
If the source repository is using an objects/info/alternates file
we need to copy the file to our new repository so that it can access
any objects that won't be copied/hardlinked as they are stored in the
alternate location.

We explicitly resolve all paths in the objects/info/alternates as
relative to the source repository but then convert them into an
absolute path for the new clone.  This allows the new clone to
access the exact same locaton as the source repository, even if
relative paths had been used before.

Under Cygwin we assume that Git is Cygwin based and that the paths
in objects/info/alternates must be valid Cygwin UNIX paths, so we
need to run `cygpath --unix` on each line in the alternate list.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-24 21:48:39 -04:00
Shawn O. Pearce
81d4d3dddc git-gui: Keep the UI responsive while counting objects in clone
If we are doing a "standard" clone by way of hardlinking the
objects (or copying them if hardlinks are not available) the
UI can freeze up for a good few seconds while Tcl scans all
of the object directories.  This is espeically noticed on a
Windows system when you are working off network shares and
need to wait for both the NT overheads and the network.

We now show a progress bar as we count the objects and build
our list of things to copy.  This keeps the user amused and
also makes sure we run the Tk event loop often enough that
the window can still be dragged around the desktop.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-24 21:48:38 -04:00
Shawn O. Pearce
40f86af01b git-gui: Don't bother showing OS error message about hardlinks
If we failed to create our test hardlink for the first object
we need to link/copy then the only recourse we have is to make
a copy of the objects.  Users don't really need to know the OS
details about why the hardlink failed as its usually because
they are crossing filesystem boundaries.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-24 21:48:38 -04:00
Johannes Schindelin
354e114d74 git-gui: Deiconify startup wizard so it raises to the top
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-23 22:29:24 -04:00
Shawn O. Pearce
fbc8a93cd5 git-gui: Avoid console scrollbars unless they are necessary
We shouldn't create scrollbars for the horziontal or vertical sides
unless there is enough content to make it worth drawing these widgets
on screen.  This way users don't loose screen space to objects that
won't help them navigate the display.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-23 05:25:13 -04:00
Shawn O. Pearce
ab08b36304 git-gui: Allow users to choose/create/clone a repository
If we are started outside of a git repository than it is likely
the user started us from some sort of desktop shortcut icon in
the operating system.  In such a case the user is expecting us to
prompt them to locate the git repository they want to work on,
or to help them make a new repository, or to clone one from an
existing location.  This is a very simple wizard that offers the
user one of these three choices.

When we clone a repository we always use the name `master` in the
local repository, even if the remote side does not appear to point
to that name.  I chose this as a policy decision.  Much of the Git
documentation talks about `master` being the default branch in a
repository and that's what git-init does too.  If the remote side
doesn't call its default branch `master` most users just don't care,
they just want to use Git the way the documentation describes.

Rather than relying on the git-clone Porcelain that ships with
git we build the new repository ourselves and then obtain content
by git-fetch.  This technique simplifies the entire clone process
to roughly: `git init && git fetch && git pull`.  Today we use
three passes with git-fetch; the first pass gets us the bulk of
the objects and the branches, the second pass gets us the tags,
and the final pass gets us the current value of HEAD to initialize
the default branch.

If the source repository is on the local disk we try to use a
hardlink to connect the objects into the new clone as this can
be many times faster than copying the objects or packing them and
passing the data through a pipe to index-pack.  Unlike git-clone
we stick to pure Tcl [file link -hard] operation thus avoiding the
need to fork a cpio process to setup the hardlinks.  If hardlinks
do not appear to be supported (e.g. filesystem doesn't allow them or
we are crossing filesystem boundaries) we use file copying instead.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-23 04:57:31 -04:00
Shawn O. Pearce
a4bee59713 git-gui: Refactor some UI init to occur earlier
I'm starting to setup a main window that the user can use to
locate an existing repository, clone an existing repository,
or create a new repository from scratch.  To help do that I
want most of our common UI support already defined before we
start to look for the Git repository, this way if it was not
found we can open a window to help the user locate it.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-22 01:32:00 -04:00
Shawn O. Pearce
f31c14b30b Merge branch 'maint'
* maint:
  git-gui: Ensure .git/info/exclude is honored in Cygwin workdirs
  git-gui: Handle starting on mapped shares under Cygwin
  git-gui: Display message box when we cannot find git in $PATH

Conflicts:

	git-gui.sh
2007-09-21 22:03:27 -04:00
Shawn O. Pearce
2fe167b67a git-gui: Ensure .git/info/exclude is honored in Cygwin workdirs
If we are using Cygwin and the git repository is actually a
workdir (by way of git-new-workdir) but this Tcl process is
a native Tcl/Tk and not the Cygwin Tcl/Tk then we are unable
to traverse the .git/info path as it is a Cygwin symlink and
not a standard Windows directory.

So we actually need to start a Cygwin process that can do the
path translation for us and let it test for .git/info/exclude
so we know if we can include that file in our git-ls-files or
not.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-21 21:58:38 -04:00
Shawn O. Pearce
299077fb40 git-gui: Handle starting on mapped shares under Cygwin
I really cannot explain Cygwin's behavior here but if we start
git-gui through Cygwin on a local drive it appears that Cygwin
is leaving $env(PATH) in Unix style, even if it started a native
(non-Cygwin) Tcl/Tk process to run git-gui.  Yet starting that
same git-gui and Tcl/Tk combination through Cygwin on a network
share causes it to automatically convert $env(PATH) into Windows
style, which broke our internal "which" implementation.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-21 21:58:37 -04:00
Shawn O. Pearce
183a1d1496 git-gui: Display message box when we cannot find git in $PATH
If we cannot find the git executable in the user's $PATH then
we cannot function correctly.  Because we need that to get the
version so we can load our library correctly we cannot rely on
the library function "error_popup" here, as this is all running
before the library path has been configured, so error_popup is
not available to us.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-21 21:58:37 -04:00
Shawn O. Pearce
2f7c9a7f31 git-gui: Support native Win32 Tcl/Tk under Cygwin
Cygwin has been stuck on the 8.4.1 version of Tcl/Tk for quite some
time, even though the main Tcl/Tk distribution is already shipping
an 8.4.15.  The problem is Tcl/Tk no longer supports Cygwin so
apparently building the package for Cygwin is now a non-trivial task.

Its actually quite easy to build the native Win32 version of Tcl/Tk
by compiling with the -mno-cygwin flag passed to GCC but this means
we lose all of the "fancy" Cygwin path translations that the Tcl
library was doing for us.  This is particularly an issue when we
are trying to start git-gui through the git wrapper as the git
wrapper is passing off a Cygwin path for $0 and Tcl cannot find
the startup script or the library directory.

We now use `cygpath -m -a` to convert the UNIX style paths to Windows
style paths in our startup script if we are building on Cygwin.
Doing so allows either the Cygwin-ized Tcl/Tk 8.4.1 that comes with
Cygwin or a manually built 8.4.15 that is running the pure Win32
implementation to read our script.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
2007-09-20 23:16:53 -04:00