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* maint:
git-gui: Don't linewrap within console windows
git-gui: Correct ls-tree buffering problem in browser
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If we get more than 80 characters of text in a single line odds
are it is output from git-fetch or git-push and its showing a
lot of detail off to the right edge that is not so important to
the average user. We still want to make sure we show everything
we need, but we can get away with that information being off to
the side with a horizontal scrollbar.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Our file browser was showing bad output as it did not properly buffer
a partial record when read from `ls-tree -z`. This did not show up on
my Mac OS X system as most trees are small, the pipe buffers generally
big and `ls-tree -z` was generally fast enough that all data was ready
before Tcl started to read. However on my Cygwin system one of my
production repositories had a large enough tree and packfile that it
took a couple of pipe buffers for `ls-tree -z` to complete its dump.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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We now embed any GIT_* and SSH_* environment variables as well as
the path to the git wrapper executable into the Mac OS X .app file.
This should allow us to restore the environment properly when
we restart.
We also try to use proper Bourne shell single quoting when we can,
as this avoids any sort of problems that might occur due to a path
containing shell metacharacters.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Now that we are pretty strict about setting up own absolute paths to
any git helper (saving a marginal runtime cost to resolve the tool)
we can do the same in our console widget by making sure all console
execs go through git_read if they are a git subcommand, and if not
make sure they at least try to use the Tcl 2>@1 IO redirection if
possible, as it should be faster than |& cat.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we cannot locate a .exe for a git tool that we want to run than
it may just be a Bourne shell script as these are popular in Git.
In such a case the first line of the file will say "#!/bin/sh" so
a UNIX kernel knows what program to start to parse and run that.
But Windows doesn't support shbang lines, and neither does the Tcl
that comes with Cygwin.
We can pass control off to the git wrapper as that is a real Cygwin
program and can therefore start the Bourne shell script, but that is
at least two fork+exec calls to get the program running. One to do
the fork+exec of the git wrapper and another to start the Bourne shell
script. If the program is run multiple times it is rather expensive
as the magic shbang detection won't be cached across executions.
On MinGW/MSYS we don't have the luxury of such magic detection. The
MSYS team has taught some of this magic to the git wrapper, but again
its slower than it needs to be as the git wrapper must still go and
run the Bourne shell after it is called.
We now attempt to guess the shbang line on Windows by reading the
first line of the file and building our own command line path from
it. Currently we support Bourne shell (sh), Perl and Python. That
is the entire set of shbang lines that appear in git.git today.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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We know that the version subcommand of git is special. It does not
currently have an executable link installed into $gitexecdir and we
therefore would never match it with one of our file exists tests.
So we forward any invocations to it directly to the git wrapper, as
it is a builtin within that executable.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we cannot locate a command in $gitexecdir on our own then it may
just be because we are supposed to run it by `git $name` rather than
by `git-$name`. Many commands are now builtins, more are likely to
go in that direction, and we may see the hardlinks in $gitexecdir go
away in future versions of git.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The master Makefile in git.git installs gitk into bindir, not
gitexecdir, which means gitk is located as a sibling of the git
wrapper and not as though it were a git helper tool.
We can also avoid some Tcl concat operations by letting eval do
all of the heavy lifting; we have two proper Tcl lists ($cmd and
$revs) that we are joining together and $revs is currently never
an empty list.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Rather than making the C library search for git every time we want
to execute it we now search for the main git wrapper at startup, do
symlink resolution, and then always use the absolute path that we
found to execute the binary later on. This should save us some
cycles, especially on stat challenged systems like Cygwin/Win32.
While I was working on this change I also converted all of our
existing pipes ([open "| git ..."]) to use two new pipe wrapper
functions. These functions take additional options like --nice
and --stderr which instructs Tcl to take special action, like
running the underlying git program through `nice` (if available)
or redirect stderr to stdout for capture in Tcl.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Sometimes switching between branches can take more than a second or
two, in which case `git checkout` would normally have shown a small
progress meter to the user on the terminal to let them know that we
are in fact working, and give them a reasonable idea of when we may
finish.
We now do obtain that progress meter from read-tree -v and include
it in our main window's status bar. This allows users to see how
many files we have checked out, how many remain, and what percentage
of the operation is completed. It should help to keep users from
getting bored during a large checkout operation.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Now that we have a fancy status bar mega-widget we can reuse that
within our main window. This opens the door for implementating
future improvements like a progress bar.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Our blame viewer has had a very fancy progress bar at the bottom of
the window that shows the current status of the blame engine, which
includes the number of lines completed as both a text and a graphical
meter. I want to reuse this meter system in other places, such as
during a branch switch where read-tree -v can give us a progress
meter for any long-running operation.
This change extracts the code and refactors it as a widget that we
can take advantage of in locations other than in the blame viewer.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If the user double clicks a branch in the checkout dialog then they
probably want to start the checkout process on that branch. I found
myself doing this without realizing it, and of course it did nothing
as there was no action bound to the listbox's Double-Button-1 event
handler. Since I did it without thinking, others will probably also
try, and expect the same behavior.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If we have specifications listed in our revision picker mega-widget
then we should default the selection within that widget to the first
ref available. This way the user does not need to use the spacebar
to activate the selection of a ref within the box; instead they can
navigate up/down with the arrow keys and be done with it.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If the end-user feeds us an abbreviated SHA-1 on the command line for
`git gui browser` or `git gui blame` we now unabbreviate the value
through `git rev-parse` so that the title section of the blame or
browser window shows the user the complete SHA-1 as Git determined
it to be.
If the abbreviated value was ambiguous we now complain with the
standard error message(s) as reported by git-rev-parse --verify,
so that the user can understand what might be wrong and correct
their command line.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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This is a major rewrite of the way we perform switching between
branches and the subsequent update of the working directory. Like
core Git we now use a single code path to perform all changes: our
new checkout_op class. We also use it for branch creation/update
as it integrates the tracking branch fetch process along with a
very basic merge (fast-forward and reset only currently).
Because some users have literally hundreds of local branches we
use the standard revision picker (with its branch filtering tool)
to select the local branch, rather than keeping all of the local
branches in the Branch menu. The branch menu listing out all of
the available branches is simply not sane for those types of huge
repositories.
Users can now checkout a detached head by ticking off the option
in the checkout dialog. This option is off by default for the
obvious reason, but it can be easily enabled for any local branch
by simply checking it. We also detach the head if any non local
branch was selected, or if a revision expression was entered.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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I'm really starting to dislike global variables. The ui_status_value
global varible is just one of those that seems to appear in a lot of
code and in many cases we didn't even declare it "global" within the
proc that updates it so we haven't always been getting all of the
updates we expected to see.
This change introduces two new global procs:
ui_status $msg; # Sets the status bar to show $msg.
ui_ready; # Changes the status bar to show "Ready."
The second (special) form is used because we often update the area
with this message once we are done processing a block of work and
want the user to know we have completed it.
I'm not fixing the cases that appear in lib/branch.tcl right now
as I'm actually in the middle of a huge refactoring of that code
to support making a detached HEAD checkout.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If the current branch is not a symbolic-ref that points to a
name in the refs/heads/ namespace we now just assume that the
head is a detached head. In this case we return the special
branch name of HEAD rather than empty string, as HEAD is a
valid revision specification and the empty string is not.
I have also slightly improved the current-branch function by
using string functions to parse the symbolic-ref data. This
should be slightly faster than using a regsub. I think the
code is clearer too.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If the user is creating a new local branch and has selected to use
a tracking branch as the starting revision they probably want to
make sure they are using the absolute latest version available of
that branch.
We now offer a checkbox "Fetch Tracking Branch" (on by default)
that instructs git-gui to run git-fetch on just that one branch
before resolving the branch name into a commit SHA-1 and making
(or updating) the local branch.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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In some workflows users will want to almost always just create a new
local branch that matches a remote branch. In this type of workflow
it is handy to have the new branch dialog default to "Match Tracking
Branch" and "Starting Revision"-Tracking Branch", with the focus in
the branch filter field. This can save users working on this type
of workflow at least two mouse clicks every time they create a new
local branch or switch to one with a fast-forward.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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When trying to create a branch from a tag most people are looking
for a recent tag, not one that is ancient history. Rather than
sorting tags by their string we now sort them by taggerdate, as
this places the recent tags at the top of the list and the very
old ones at the end. Tag date works nicely as an approximation
of the actual history order of commits.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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One of my production repositories has hundreds of remote tracking
branches. Trying to navigate these through a popup menu is just
not possible. The list is far larger than the screen and it does
not scroll fast enough to efficiently select a branch name when
trying to create a branch or delete a branch.
This is major rewrite of the revision chooser mega-widget. We
now use a single listbox for all three major types of named refs
(heads, tracking branches, tags) and a radio button group to pick
which of those namespaces should be shown in the listbox. A filter
field is shown to the right allowing the end-user to key in a glob
specification to filter the list they are viewing. The filter is
always taken as substring, so we assume * both starts and ends the
pattern the user wanted but otherwise treat it as a glob pattern.
This new picker works out really nicely. What used to take me at
least a minute to find and select a branch now takes mere seconds.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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If the user elects to create a local branch that has the same name
as an existing branch and we can fast-forward the local branch to
the selected revision we might as well do the fast-forward for the
user, rather than making them first switch to the branch then merge
the selected revision into it. After all, its really just a fast
forward. No history is lost. The resulting branch checkout may
also be faster if the branch we are switching from is closer to
the new revision.
Likewise we also now allow the user to reset the local branch if
it already exists but would not fast-forward. However before we
do the actual reset we tell the user what commits they are going to
lose by showing the oneline subject and abbreviated sha1, and we also
let them inspect the range of commits in gitk.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Some workflows have users create a local branch that matches a remote
branch they have fetched from another repository. If the user wants
to push their changes back to that remote repository then they probably
want to use the same branch name locally so that git-gui's push dialog
can setup the push refspec automatically.
To prevent typos with the local branch name we now offer an option to
use the remote tracking branch name as the new local branch name.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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In the next change I want to let the user create their local branch
name to match the remote branch name, so that the existing push
dialog can push the branch back up to the remote repository without
needing to do any sort of remapping. To do that we need to know
exactly what branch name the remote system is using.
So all_tracking_branches returns a list of specifications, where
each specification is itself a list of:
- local ref name (destination we fetch into)
- remote name (repository we fetch from)
- remote ref name (source ref we fetch from)
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Most people using Git 1.5.x and later are using the newer style
of remotes layout where all of their tracking branches are in
refs/remotes and refs/heads contains only the user's own local
branches.
In such a situation we can avoid calling is_tracking_branch
for each head we are considering because we know that all of
the heads must be local branches if no fetch option or Pull:
line maps a branch into that namespace.
If however any remote maps a remote branch into a local
tracking branch that resides in refs/heads we do exactly
what we did before, which requires scanning through all
fetch lines in case any patterns are matched.
I also switched some regexp/regsub calls to string match
as this can be a faster operation for prefix matching.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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A simple refactoring of the delete branch dialog to allow use of
the class construct to better organize the code and to reuse the
revision selection code of our new choose_rev mega-widget.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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This rather large change pulls the "Starting Revision" part of the
new branch dialog into a mega widget that we can use anytime we
need to select a commit SHA-1. To make use of the mega widget I
have also refactored the branch dialog to use the class system,
much like the delete remote branch dialog already does.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Its handy to be able to ask an object to do something for you by
handing it a subcommand. For example if we want to get the value
of an object's private field the object could expose a method that
would return that value. Application level code can then invoke
"$inst get" to perform the method call.
Tk uses this pattern for all of its widgets, so we'd certainly
like to use it for our own mega-widgets that we might develop.
Up until now we haven't needed such functionality, but I'm working
on a new revision picker mega-widget that would benefit from it.
To make this work we have to change the definition of $this to
actually be a procedure within the namespace. By making $this a
procedure any caller that has $this can call subcommands by passing
them as the first argument to $this. That subcommand then needs
to call the proper subroutine.
Placing the dispatch procedure into the object's variable namespace
ensures that it will always be deleted when the object is deleted.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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* maint:
git-gui: Skip nicknames when selecting author initials
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Our blame viewer only grabbed the first initial of the git.git
author string "Simon 'corecode' Schubert". Here the problem was we
looked at Simon, pulled the S into the author initials, then saw
the single quote as the start of the next name and did not like
this character as it was not an uppercase letter.
We now skip over single quoted nicknames placed within the author
name field and grab the initials following it. So the above name
will get the initials SS, rather than just S.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The blame window shows "who wrote the piece originally" and "who
moved it there" in two columns. In order to identify the former
more correctly, it helps to use the new -w option.
[sp: Minor change to only enable -w if underlying git >= 1.5.3]
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Some newer features of git-gui want to rely on features that are
new to Git 1.5.3. Since they were added as part of the 1.5.3
development series we cannot use those features with versions of
Git that are older than 1.5.3, such as from the stable 1.5.2 series.
We introduce [git-version >= 1.5.3] to allow the caller to get a
response of 0 if the current version of git is < 1.5.3 and 1 if
the current version of git is >= 1.5.3. This makes it easy to
setup conditional code based upon the version of Git available to
us at runtime.
Instead of parsing the version text by hand we now use the Tcl
[package vcompare] subcommand to compare the two version strings.
This works nicely, as Tcl as already done all of the hard work
of doing version comparsions. But we do have to remove the Git
specific components such as the Git commit SHA-1, commit count and
release candidate suffix (rc) as we want only the final release
version number.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Recently in git.git change b4372ef136 Johannes Schindelin taught
git-commit.sh to invoke (or skip) calling git-rerere based upon
the rerere.enabled configuration setting:
So, check the config variable "rerere.enabled". If it is set
to "false" explicitely, do not activate rerere, even if
.git/rr-cache exists. This should help when you want to disable
rerere temporarily.
If "rerere.enabled" is not set at all, fall back to detection
of the directory .git/rr-cache.
We now do the same logic in git-gui's own commit implementation.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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* maint:
git-gui: Ensure windows shortcuts always have .bat extension
git-gui: Include a Push action on the left toolbar
git-gui: Bind M1-P to push action
git-gui: Don't bind F5/M1-R in all windows
Conflicts:
git-gui.sh
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Apparently under some setups on Windows Tk is hiding our file
extension recommendation of ".bat" from the user and that is
allowing the user to create a shortcut file which has no file
extension. Double clicking on such a file in Windows Explorer
brings up the associate file dialog, as Windows does not know
what application to launch.
We now append the file extension ".bat" to the filename of the
shortcut file if it has no extension or if it has one but it is
not ".bat".
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Pushing changes to a remote system is a very common action for
many users of git-gui, so much so that in some workflows a user
is supposed to push immediately after they make a local commit
so that their change(s) are immediately available for their
teammates to view and build on top of.
Including the push button right below the commit button on the
left toolbar indicates that users should probably perform this
action after they have performed the commit action.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Users often need to be able to push the current branch so that they
can publish their recent changes to anyone they are collaborating
with on the project. Associating a keyboard action with this will
make it easier for keyboard-oriented users to quickly activate the
push features.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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We actually only want our F5/M1-R keystroke bound in the main window.
Within a browser/blame/console window pressing these keys should not
execute the rescan action.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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The status field of the remote branch delete dialog was marked to
expand, which meant that if the user grew the window vertically
most of the new vertical height was given to the status field and
not to the branch list. Since the status field is just a single
line of text there is no reason for it to gain additional height,
instead we should make sure all additional height goes to the
branch list.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Most users these days are using a windowing system attached to a
monitor that has more than 600 pixels worth of vertical space
available for application use. As most files stored by Git are
longer than they are wide (have more lines than columns) we want
to dedicate as much vertical space as we can to the viewer.
Instead of always starting the window at ~600 pixels high we now
start the window 100 pixels shorter than the screen claims it has
available to it. This -100 rule is used because some popular OSen
add menu bars at the top of the monitor, and docks on the bottom
(e.g. Mac OS X, CDE, KDE). We want to avoid making our window too
big and causing the window's resize control from being out of reach
of the user.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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* maint:
git-gui: Unlock the index when cancelling merge dialog
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Pressing the escape key while in the merge dialog cancels the merge
and correctly unlocks the index. Unfortunately this is not true of
the Cancel button, using it closes the dialog but does not release
the index lock, rendering git-gui frozen until you restart it. We
now properly release the index lock when the Cancel button is used.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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* maint:
git-gui: properly popup error if gitk should be started but is not installed
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On 'Visualize ...', a gitk process is started. Since it is run in the
background, catching a possible startup error doesn't work, and the error
output goes to the console git-gui is started from. The most probable
startup error is that gitk is not installed; so before trying to start,
check for the existence of the gitk program, and popup an error message
unless it's found.
This was noticed and reported by Paul Wise through
http://bugs.debian.org/429810
Signed-off-by: Gerrit Pape <pape@smarden.org>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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* maint:
git-gui: Don't require a .pvcsrc to create Tools/Migrate menu hack
git-gui: Don't nice git blame on MSYS as nice is not supported
git-gui: Don't require $DISPLAY just to get --version
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The Tools/Migrate menu option is a hack just for me. Yes, that's
right, git-gui has a hidden feature that really only works for me,
and the users that I support within my day-job's great firewall.
The menu option is not supported outside of that environment.
In the past we only enabled Tools/Migrate if our special local
script 'gui-miga' existed in the proper location, and if there
was a special '.pvcsrc' in the top level of the working directory.
This latter test for the '.pvcsrc' file is now failing, as the file
was removed from all Git repositories due to changes made to other
tooling within the great firewall's realm.
I have changed the test to only work on Cygwin, and only if the
special 'gui-miga' is present. This works around the configuration
changes made recently within the great firewall's realm, but really
this entire Tools/Migrate thing should be abstracted out into some
sort of plugin system so other users can extend git-gui as they need.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Johannes Sixt reported that MinGW/MSYS does not have a nice.exe to
drop the priority of a child process when it gets spawned. So we
have to avoid trying to start `git blame` through nice when we are
on Windows and do not have Cygwin available to us.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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Junio asked that we don't force the user to have a valid X11 server
configured in $DISPLAY just to obtain the output of `git gui version`.
This makes sense, the user may be an automated tool that is running
without an X server available to it, such as a build script or other
sort of package management system. Or it might just be a user working
in a non-GUI environment and wondering "what version of git-gui do I
have installed?".
Tcl has a lot of warts, but one of its better ones is that a comment
can be continued to the next line by escaping the LF that would have
ended the comment using a backslash-LF sequence. In the past we have
used this trick to escape away the 'exec wish' that is actually a Bourne
shell script and keep Tcl from executing it.
I'm using that feature here to comment out the Bourne shell script and
hide it from the Tcl engine. Except now our Bourne shell script is a
few lines long and checks to see if it should print the version, or not.
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
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