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#!/usr/bin/env tclsh
# Tcl ignores the next line -*- tcl -*- \
exec wish "$0" -- "$@"
# This is a trivial implementation of a GIT_ASKPASS / SSH_ASKPASS handler.
# Git-gui uses this script if none are already configured.
package require Tk
set answer {}
set yesno 0
set rc 255
if {$argc < 1} {
set prompt "Enter your password / passphrase:"
} else {
set prompt [join $argv " "]
if {[regexp -nocase {\(yes\/no\)\?\s*$} $prompt]} {
set yesno 1
}
}
message .m -text $prompt -justify center -aspect 4000
pack .m -side top -fill x -padx 20 -pady 20 -expand 1
entry .e -textvariable answer -width 50
pack .e -side top -fill x -padx 10 -pady 10
proc on_hide_input_changed {args} {
global hide_input
if {$hide_input} {
.e configure -show "*"
} else {
.e configure -show ""
}
}
trace add variable hide_input write "on_hide_input_changed"
set hide_input 0
if {!$yesno} {
if {"Password" in $prompt || "passphrase" in $prompt} {
set hide_input 1
}
checkbutton .cb_hide -text "Hide input" -variable hide_input
pack .cb_hide -side top -anchor nw
}
frame .b
button .b.ok -text OK -command finish
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> [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} {
if {$::answer ne "yes" && $::answer ne "no"} {
tk_messageBox -icon error -title "Error" -type ok \
-message "Only 'yes' or 'no' input allowed."
return
}
}
puts $::answer
set ::rc 0
}
wm title . "Git Authentication"
tk::PlaceWindow .
vwait rc
exit $rc
|
