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git-gui: ensure correct application termination in git-gui--askpass

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With Tk 8.5 the askpass utility can hang waiting for the wish shell
implicit event loop to exit. This patch uses an explicit event loop
to ensure correct application termination.

Reported-by: Anders Kaseorg <andersk@mit.edu>
Tested-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
This commit is contained in:
Pat Thoyts 2010-08-18 23:19:24 +01:00
parent d5257fb3c1
commit aef0b48ef0
1 changed files with 13 additions and 6 deletions
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19
git-gui--askpass
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@ -5,6 +5,8 @@ exec wish "$0" -- "$@"
# This is a trivial implementation of an SSH_ASKPASS handler.
# Git-gui uses this script if none are already configured.
package require Tk
set answer {}
set yesno 0
set rc 255
@ -30,16 +32,20 @@ if {!$yesno} {
frame .b
button .b.ok -text OK -command finish
button .b.cancel -text Cancel -command {destroy .}
button .b.cancel -text Cancel -command cancel
pack .b.ok -side left -expand 1
pack .b.cancel -side right -expand 1
pack .b -side bottom -fill x -padx 10 -pady 10
bind . <Visibility> {focus -force .e}
bind . <Key-Return> finish
bind . <Key-Escape> {destroy .}
bind . <Destroy> {exit $rc}
bind . <Key-Return> [list .b.ok invoke]
bind . <Key-Escape> [list .b.cancel invoke]
bind . <Destroy> {set rc $rc}
proc cancel {} {
set ::rc 255
}
proc finish {} {
if {$::yesno} {
@ -50,10 +56,11 @@ proc finish {} {
}
}
set ::rc 0
puts $::answer
destroy .
set ::rc 0
}
wm title . "OpenSSH"
tk::PlaceWindow .
vwait rc
exit $rc