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| class branch_rename {
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| field w
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| field oldname
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| field newname
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| constructor dialog {} {
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| global current_branch
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| make_dialog top w
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| wm withdraw $w
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| wm title $top [mc "%s (%s): Rename Branch" [appname] [reponame]]
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| if {$top ne {.}} {
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| wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
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| }
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| set oldname $current_branch
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| set newname [get_config gui.newbranchtemplate]
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| ttk::label $w.header -text [mc "Rename Branch"]\
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| -font font_uibold -anchor center
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| pack $w.header -side top -fill x
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| ttk::frame $w.buttons
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| ttk::button $w.buttons.rename -text [mc Rename] \
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| -default active \
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| -command [cb _rename]
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| pack $w.buttons.rename -side right
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| ttk::button $w.buttons.cancel -text [mc Cancel] \
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| -command [list destroy $w]
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| pack $w.buttons.cancel -side right -padx 5
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| pack $w.buttons -side bottom -fill x -pady 10 -padx 10
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| ttk::frame $w.rename
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| ttk::label $w.rename.oldname_l -text [mc "Branch:"]
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| ttk::combobox $w.rename.oldname_m -textvariable @oldname \
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| -values [load_all_heads] -state readonly
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| ttk::label $w.rename.newname_l -text [mc "New Name:"]
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| ttk::entry $w.rename.newname_t \
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| -width 40 \
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| -textvariable @newname \
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| -validate key \
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| -validatecommand {
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| if {%d == 1 && [regexp {[~^:?*\[\0- ]} %S]} {return 0}
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| return 1
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| }
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| grid $w.rename.oldname_l $w.rename.oldname_m -sticky we -padx {0 5}
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| grid $w.rename.newname_l $w.rename.newname_t -sticky we -padx {0 5}
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| grid columnconfigure $w.rename 1 -weight 1
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| pack $w.rename -anchor nw -fill x -pady 5 -padx 5
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| bind $w <Key-Return> [cb _rename]
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| bind $w <Key-Escape> [list destroy $w]
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| bind $w <Visibility> "
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| grab $w
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| $w.rename.newname_t icursor end
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| focus $w.rename.newname_t
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| "
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| wm deiconify $w
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| tkwait window $w
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| }
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| method _rename {} {
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| global current_branch
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| if {$oldname eq {}} {
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| tk_messageBox \
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| -icon error \
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| -type ok \
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| -title [wm title $w] \
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| -parent $w \
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| -message [mc "Please select a branch to rename."]
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| focus $w.rename.oldname_m
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| return
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| }
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| if {$newname eq {}
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| || $newname eq [get_config gui.newbranchtemplate]} {
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| tk_messageBox \
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| -icon error \
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| -type ok \
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| -title [wm title $w] \
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| -parent $w \
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| -message [mc "Please supply a branch name."]
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| focus $w.rename.newname_t
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| return
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| }
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| if {![catch {git show-ref --verify -- "refs/heads/$newname"}]} {
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| tk_messageBox \
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| -icon error \
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| -type ok \
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| -title [wm title $w] \
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| -parent $w \
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| -message [mc "Branch '%s' already exists." $newname]
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| focus $w.rename.newname_t
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| return
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| }
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| if {[catch {git check-ref-format "heads/$newname"}]} {
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| tk_messageBox \
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| -icon error \
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| -type ok \
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| -title [wm title $w] \
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| -parent $w \
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| -message [mc "'%s' is not an acceptable branch name." $newname]
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| focus $w.rename.newname_t
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| return
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| }
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| if {[catch {git branch -m $oldname $newname} err]} {
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| tk_messageBox \
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| -icon error \
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| -type ok \
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| -title [wm title $w] \
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| -parent $w \
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| -message [strcat [mc "Failed to rename '%s'." $oldname] "\n\n$err"]
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| return
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| }
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| if {$current_branch eq $oldname} {
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| set current_branch $newname
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| }
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| destroy $w
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| }
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| }
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