# git-gui transport (fetch/push) support
# Copyright (C) 2006, 2007 Shawn Pearce

proc fetch_from {remote} {
        set w [console::new \
                [mc "fetch %s" $remote] \
                [mc "Fetching new changes from %s" $remote]]
        set cmds [list]
        lappend cmds [list exec git fetch $remote]
        if {[is_config_true gui.pruneduringfetch]} {
                lappend cmds [list exec git remote prune $remote]
        }
        console::chain $w $cmds
}

proc prune_from {remote} {
        set w [console::new \
                [mc "remote prune %s" $remote] \
                [mc "Pruning tracking branches deleted from %s" $remote]]
        console::exec $w [list git remote prune $remote]
}

proc push_to {remote} {
        set w [console::new \
                [mc "push %s" $remote] \
                [mc "Pushing changes to %s" $remote]]
        set cmd [list git push]
        lappend cmd -v
        lappend cmd $remote
        console::exec $w $cmd
}

proc start_push_anywhere_action {w} {
        global push_urltype push_remote push_url push_thin push_tags
        global push_force
        global repo_config

        set is_mirror 0
        set r_url {}
        switch -- $push_urltype {
        remote {
                set r_url $push_remote
                catch {set is_mirror $repo_config(remote.$push_remote.mirror)}
        }
        url {set r_url $push_url}
        }
        if {$r_url eq {}} return

        set cmd [list git push]
        lappend cmd -v
        if {$push_thin} {
                lappend cmd --thin
        }
        if {$push_force} {
                lappend cmd --force
        }
        if {$push_tags} {
                lappend cmd --tags
        }
        lappend cmd $r_url
        if {$is_mirror} {
                set cons [console::new \
                        [mc "push %s" $r_url] \
                        [mc "Mirroring to %s" $r_url]]
        } else {
                set cnt 0
                foreach i [$w.source.l curselection] {
                        set b [$w.source.l get $i]
                        lappend cmd "refs/heads/$b:refs/heads/$b"
                        incr cnt
                }
                if {$cnt == 0} {
                        return
                } elseif {$cnt == 1} {
                        set unit branch
                } else {
                        set unit branches
                }

                set cons [console::new \
                        [mc "push %s" $r_url] \
                        [mc "Pushing %s %s to %s" $cnt $unit $r_url]]
        }
        console::exec $cons $cmd
        destroy $w
}

trace add variable push_remote write \
        [list radio_selector push_urltype remote]

proc do_push_anywhere {} {
        global all_remotes current_branch
        global push_urltype push_remote push_url push_thin push_tags
        global push_force use_ttk NS

        set w .push_setup
        toplevel $w
        wm withdraw $w
        wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
        pave_toplevel $w

        ${NS}::label $w.header -text [mc "Push Branches"] \
                -font font_uibold -anchor center
        pack $w.header -side top -fill x

        ${NS}::frame $w.buttons
        ${NS}::button $w.buttons.create -text [mc Push] \
                -default active \
                -command [list start_push_anywhere_action $w]
        pack $w.buttons.create -side right
        ${NS}::button $w.buttons.cancel -text [mc "Cancel"] \
                -default normal \
                -command [list destroy $w]
        pack $w.buttons.cancel -side right -padx 5
        pack $w.buttons -side bottom -fill x -pady 10 -padx 10

        ${NS}::labelframe $w.source -text [mc "Source Branches"]
        slistbox $w.source.l \
                -height 10 \
                -width 70 \
                -selectmode extended
        foreach h [load_all_heads] {
                $w.source.l insert end $h
                if {$h eq $current_branch} {
                        $w.source.l select set end
                }
        }
        pack $w.source.l -side left -fill both -expand 1
        pack $w.source -fill both -expand 1 -pady 5 -padx 5

        ${NS}::labelframe $w.dest -text [mc "Destination Repository"]
        if {$all_remotes ne {}} {
                ${NS}::radiobutton $w.dest.remote_r \
                        -text [mc "Remote:"] \
                        -value remote \
                        -variable push_urltype
                if {$use_ttk} {
                        ttk::combobox $w.dest.remote_m -textvariable push_remote \
                                -values $all_remotes
                } else {
                        eval tk_optionMenu $w.dest.remote_m push_remote $all_remotes
                }
                grid $w.dest.remote_r $w.dest.remote_m -sticky w
                if {[lsearch -sorted -exact $all_remotes origin] != -1} {
                        set push_remote origin
                } else {
                        set push_remote [lindex $all_remotes 0]
                }
                set push_urltype remote
        } else {
                set push_urltype url
        }
        ${NS}::radiobutton $w.dest.url_r \
                -text [mc "Arbitrary Location:"] \
                -value url \
                -variable push_urltype
        ${NS}::entry $w.dest.url_t \
                -width 50 \
                -textvariable push_url \
                -validate key \
                -validatecommand {
                        if {%d == 1 && [regexp {\s} %S]} {return 0}
                        if {%d == 1 && [string length %S] > 0} {
                                set push_urltype url
                        }
                        return 1
                }
        grid $w.dest.url_r $w.dest.url_t -sticky we -padx {0 5}
        grid columnconfigure $w.dest 1 -weight 1
        pack $w.dest -anchor nw -fill x -pady 5 -padx 5

        ${NS}::labelframe $w.options -text [mc "Transfer Options"]
        ${NS}::checkbutton $w.options.force \
                -text [mc "Force overwrite existing branch (may discard changes)"] \
                -variable push_force
        grid $w.options.force -columnspan 2 -sticky w
        ${NS}::checkbutton $w.options.thin \
                -text [mc "Use thin pack (for slow network connections)"] \
                -variable push_thin
        grid $w.options.thin -columnspan 2 -sticky w
        ${NS}::checkbutton $w.options.tags \
                -text [mc "Include tags"] \
                -variable push_tags
        grid $w.options.tags -columnspan 2 -sticky w
        grid columnconfigure $w.options 1 -weight 1
        pack $w.options -anchor nw -fill x -pady 5 -padx 5

        set push_url {}
        set push_force 0
        set push_thin 0
        set push_tags 0

        bind $w <Visibility> "grab $w; focus $w.buttons.create"
        bind $w <Key-Escape> "destroy $w"
        bind $w <Key-Return> [list start_push_anywhere_action $w]
        wm title $w [append "[appname] ([reponame]): " [mc "Push"]]
        wm deiconify $w
        tkwait window $w
}