git-gui/lib/remote_branch_delete.tcl - jrn/git - Git at Google

 # git-gui remote branch deleting support
 # Copyright (C) 2007 Shawn Pearce

 class remote_branch_delete {

 field w
 field head_m

 field urltype   {url}
 field remote    {}
 field url       {}

 field checktype  {head}
 field check_head {}

 field status    {}
 field idle_id   {}
 field full_list {}
 field head_list {}
 field active_ls {}
 field head_cache
 field full_cache
 field cached

 constructor dialog {} {
 	global all_remotes M1B use_ttk NS

 	make_dialog top w
 	wm title $top [mc "%s (%s): Delete Branch Remotely" [appname] [reponame]]
 	if {$top ne {.}} {
 		wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
 	}

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

 	${NS}::frame $w.buttons
 	${NS}::button $w.buttons.delete -text [mc Delete] \
 		-default active \
 		-command [cb _delete]
 	pack $w.buttons.delete -side right
 	${NS}::button $w.buttons.cancel -text [mc "Cancel"] \
 		-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 $w.dest -text [mc "From Repository"]
 	if {$all_remotes ne {}} {
 		${NS}::radiobutton $w.dest.remote_r \
 			-text [mc "Remote:"] \
 			-value remote \
 			-variable @urltype
 		if {$use_ttk} {
 			ttk::combobox $w.dest.remote_m -textvariable @remote \
 				-values $all_remotes -state readonly
 		} else {
 			eval tk_optionMenu $w.dest.remote_m @remote $all_remotes
 		}
 		grid $w.dest.remote_r $w.dest.remote_m -sticky w
 		if {[lsearch -sorted -exact $all_remotes origin] != -1} {
 			set remote origin
 		} else {
 			set remote [lindex $all_remotes 0]
 		}
 		set urltype remote
 		trace add variable @remote write [cb _write_remote]
 	} else {
 		set urltype url
 	}
 	${NS}::radiobutton $w.dest.url_r \
 		-text [mc "Arbitrary Location:"] \
 		-value url \
 		-variable @urltype
 	${NS}::entry $w.dest.url_t \
 		-width 50 \
 		-textvariable @url \
 		-validate key \
 		-validatecommand {
 			if {%d == 1 && [regexp {\s} %S]} {return 0}
 			return 1
 		}
 	trace add variable @url write [cb _write_url]
 	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.heads -text [mc "Branches"]
 	slistbox $w.heads.l \
 		-height 10 \
 		-width 70 \
 		-listvariable @head_list \
 		-selectmode extended

 	${NS}::frame $w.heads.footer
 	${NS}::label $w.heads.footer.status \
 		-textvariable @status \
 		-anchor w \
 		-justify left
 	${NS}::button $w.heads.footer.rescan \
 		-text [mc "Rescan"] \
 		-command [cb _rescan]
 	pack $w.heads.footer.status -side left -fill x
 	pack $w.heads.footer.rescan -side right

 	pack $w.heads.footer -side bottom -fill x
 	pack $w.heads.l -side left -fill both -expand 1
 	pack $w.heads -fill both -expand 1 -pady 5 -padx 5

 	${NS}::labelframe $w.validate -text [mc "Delete Only If"]
 	${NS}::radiobutton $w.validate.head_r \
 		-text [mc "Merged Into:"] \
 		-value head \
 		-variable @checktype
 	set head_m [tk_optionMenu $w.validate.head_m @check_head {}]
 	trace add variable @head_list write [cb _write_head_list]
 	trace add variable @check_head write [cb _write_check_head]
 	grid $w.validate.head_r $w.validate.head_m -sticky w
 	${NS}::radiobutton $w.validate.always_r \
 		-text [mc "Always (Do not perform merge checks)"] \
 		-value always \
 		-variable @checktype
 	grid $w.validate.always_r -columnspan 2 -sticky w
 	grid columnconfigure $w.validate 1 -weight 1
 	pack $w.validate -anchor nw -fill x -pady 5 -padx 5

 	trace add variable @urltype write [cb _write_urltype]
 	_rescan $this

 	bind $w <Key-F5>     [cb _rescan]
 	bind $w <$M1B-Key-r> [cb _rescan]
 	bind $w <$M1B-Key-R> [cb _rescan]
 	bind $w <Key-Return> [cb _delete]
 	bind $w <Key-Escape> [list destroy $w]
 	return $w
 }

 method _delete {} {
 	switch $urltype {
 	remote {set uri $remote}
 	url    {set uri $url}
 	}

 	set cache $urltype:$uri
 	set crev {}
 	if {$checktype eq {head}} {
 		if {$check_head eq {}} {
 			tk_messageBox \
 				-icon error \
 				-type ok \
 				-title [wm title $w] \
 				-parent $w \
 				-message [mc "A branch is required for 'Merged Into'."]
 			return
 		}
 		set crev $full_cache("$cache\nrefs/heads/$check_head")
 	}

 	set not_merged [list]
 	set need_fetch 0
 	set have_selection 0
 	set push_cmd [list git push]
 	lappend push_cmd -v
 	lappend push_cmd $uri

 	foreach i [$w.heads.l curselection] {
 		set ref [lindex $full_list $i]
 		if {$crev ne {}} {
 			set obj $full_cache("$cache\n$ref")
 			if {[catch {set m [git merge-base $obj $crev]}]} {
 				set need_fetch 1
 				set m {}
 			}
 			if {$obj ne $m} {
 				lappend not_merged [lindex $head_list $i]
 				continue
 			}
 		}

 		lappend push_cmd :$ref
 		set have_selection 1
 	}

 	if {$not_merged ne {}} {
 		set msg [mc "The following branches are not completely merged into %s:

  - %s" $check_head [join $not_merged "\n - "]]

 		if {$need_fetch} {
 			append msg "\n\n" [mc "One or more of the merge tests failed because you have not fetched the necessary commits.  Try fetching from %s first." $uri]
 		}

 		tk_messageBox \
 			-icon info \
 			-type ok \
 			-title [wm title $w] \
 			-parent $w \
 			-message $msg
 		if {!$have_selection} return
 	}

 	if {!$have_selection} {
 		tk_messageBox \
 			-icon error \
 			-type ok \
 			-title [wm title $w] \
 			-parent $w \
 			-message [mc "Please select one or more branches to delete."]
 		return
 	}

 	if {$checktype ne {head}} {
 		if {[tk_messageBox \
 			-icon warning \
 			-type yesno \
 			-title [wm title $w] \
 			-parent $w \
 			-message [mc "Recovering deleted branches is difficult.\n\nDelete the selected branches?"]] ne yes} {
 			return
 		}
 	}

 	destroy $w

 	set cons [console::new \
 		"push $uri" \
 		[mc "Deleting branches from %s" $uri]]
 	console::exec $cons $push_cmd
 }

 method _rescan {{force 1}} {
 	switch $urltype {
 	remote {set uri $remote}
 	url    {set uri $url}
 	}

 	if {$force} {
 		unset -nocomplain cached($urltype:$uri)
 	}

 	if {$idle_id ne {}} {
 		after cancel $idle_id
 		set idle_id {}
 	}

 	_load $this $urltype:$uri $uri
 }

 method _write_remote     {args} { set urltype remote }
 method _write_url        {args} { set urltype url    }
 method _write_check_head {args} { set checktype head }

 method _write_head_list {args} {
 	global current_branch _last_merged_branch

 	$head_m delete 0 end
 	foreach abr $head_list {
 		$head_m insert end radiobutton \
 			-label $abr \
 			-value $abr \
 			-variable @check_head
 	}
 	if {[lsearch -exact -sorted $head_list $check_head] < 0} {
 		if {[lsearch -exact -sorted $head_list $current_branch] < 0} {
 			set check_head {}
 		} else {
 			set check_head $current_branch
 		}
 	}
 	set lmb [lsearch -exact -sorted $head_list $_last_merged_branch]
 	if {$lmb >= 0} {
 		$w.heads.l conf -state normal
 		$w.heads.l select set $lmb
 		$w.heads.l yview $lmb
 		$w.heads.l conf -state disabled
 	}
 }

 method _write_urltype {args} {
 	if {$urltype eq {url}} {
 		if {$idle_id ne {}} {
 			after cancel $idle_id
 		}
 		_load $this none: {}
 		set idle_id [after 1000 [cb _rescan 0]]
 	} else {
 		_rescan $this 0
 	}
 }

 method _load {cache uri} {
 	if {$active_ls ne {}} {
 		catch {close $active_ls}
 	}

 	if {$uri eq {}} {
 		$w.heads.l conf -state disabled
 		set head_list [list]
 		set full_list [list]
 		set status [mc "No repository selected."]
 		return
 	}

 	if {[catch {set x $cached($cache)}]} {
 		set status [mc "Scanning %s..." $uri]
 		$w.heads.l conf -state disabled
 		set head_list [list]
 		set full_list [list]
 		set head_cache($cache) [list]
 		set full_cache($cache) [list]
 		set active_ls [git_read ls-remote $uri]
 		fconfigure $active_ls \
 			-blocking 0 \
 			-translation lf \
 			-encoding utf-8
 		fileevent $active_ls readable [cb _read $cache $active_ls]
 	} else {
 		set status {}
 		set full_list $full_cache($cache)
 		set head_list $head_cache($cache)
 		$w.heads.l conf -state normal
 	}
 }

 method _read {cache fd} {
 	if {$fd ne $active_ls} {
 		catch {close $fd}
 		return
 	}

 	while {[gets $fd line] >= 0} {
 		if {[string match {*^{}} $line]} continue
 		if {[regexp {^([0-9a-f]{40})	(.*)$} $line _junk obj ref]} {
 			if {[regsub ^refs/heads/ $ref {} abr]} {
 				lappend head_list $abr
 				lappend head_cache($cache) $abr
 				lappend full_list $ref
 				lappend full_cache($cache) $ref
 				set full_cache("$cache\n$ref") $obj
 			}
 		}
 	}

 	if {[eof $fd]} {
 		if {[catch {close $fd} err]} {
 			set status $err
 			set head_list [list]
 			set full_list [list]
 		} else {
 			set status {}
 			set cached($cache) 1
 			$w.heads.l conf -state normal
 		}
 	}
 } ifdeleted {
 	catch {close $fd}
 }

 }
	# git-gui remote branch deleting support
	# Copyright (C) 2007 Shawn Pearce

	class remote_branch_delete {

	field w
	field head_m

	field urltype {url}
	field remote {}
	field url {}

	field checktype {head}
	field check_head {}

	field status {}
	field idle_id {}
	field full_list {}
	field head_list {}
	field active_ls {}
	field head_cache
	field full_cache
	field cached

	constructor dialog {} {
	global all_remotes M1B use_ttk NS

	make_dialog top w
	wm title $top [mc "%s (%s): Delete Branch Remotely" [appname] [reponame]]
	if {$top ne {.}} {
	wm geometry $top "+[winfo rootx .]+[winfo rooty .]"
	}

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

	${NS}::frame $w.buttons
	${NS}::button $w.buttons.delete -text [mc Delete] \
	-default active \
	-command [cb _delete]
	pack $w.buttons.delete -side right
	${NS}::button $w.buttons.cancel -text [mc "Cancel"] \
	-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 $w.dest -text [mc "From Repository"]
	if {$all_remotes ne {}} {
	${NS}::radiobutton $w.dest.remote_r \
	-text [mc "Remote:"] \
	-value remote \
	-variable @urltype
	if {$use_ttk} {
	ttk::combobox $w.dest.remote_m -textvariable @remote \
	-values $all_remotes -state readonly
	} else {
	eval tk_optionMenu $w.dest.remote_m @remote $all_remotes
	}
	grid $w.dest.remote_r $w.dest.remote_m -sticky w
	if {[lsearch -sorted -exact $all_remotes origin] != -1} {
	set remote origin
	} else {
	set remote [lindex $all_remotes 0]
	}
	set urltype remote
	trace add variable @remote write [cb _write_remote]
	} else {
	set urltype url
	}
	${NS}::radiobutton $w.dest.url_r \
	-text [mc "Arbitrary Location:"] \
	-value url \
	-variable @urltype
	${NS}::entry $w.dest.url_t \
	-width 50 \
	-textvariable @url \
	-validate key \
	-validatecommand {
	if {%d == 1 && [regexp {\s} %S]} {return 0}
	return 1
	}
	trace add variable @url write [cb _write_url]
	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.heads -text [mc "Branches"]
	slistbox $w.heads.l \
	-height 10 \
	-width 70 \
	-listvariable @head_list \
	-selectmode extended

	${NS}::frame $w.heads.footer
	${NS}::label $w.heads.footer.status \
	-textvariable @status \
	-anchor w \
	-justify left
	${NS}::button $w.heads.footer.rescan \
	-text [mc "Rescan"] \
	-command [cb _rescan]
	pack $w.heads.footer.status -side left -fill x
	pack $w.heads.footer.rescan -side right

	pack $w.heads.footer -side bottom -fill x
	pack $w.heads.l -side left -fill both -expand 1
	pack $w.heads -fill both -expand 1 -pady 5 -padx 5

	${NS}::labelframe $w.validate -text [mc "Delete Only If"]
	${NS}::radiobutton $w.validate.head_r \
	-text [mc "Merged Into:"] \
	-value head \
	-variable @checktype
	set head_m [tk_optionMenu $w.validate.head_m @check_head {}]
	trace add variable @head_list write [cb _write_head_list]
	trace add variable @check_head write [cb _write_check_head]
	grid $w.validate.head_r $w.validate.head_m -sticky w
	${NS}::radiobutton $w.validate.always_r \
	-text [mc "Always (Do not perform merge checks)"] \
	-value always \
	-variable @checktype
	grid $w.validate.always_r -columnspan 2 -sticky w
	grid columnconfigure $w.validate 1 -weight 1
	pack $w.validate -anchor nw -fill x -pady 5 -padx 5

	trace add variable @urltype write [cb _write_urltype]
	_rescan $this

	bind $w <Key-F5> [cb _rescan]
	bind $w <$M1B-Key-r> [cb _rescan]
	bind $w <$M1B-Key-R> [cb _rescan]
	bind $w <Key-Return> [cb _delete]
	bind $w <Key-Escape> [list destroy $w]
	return $w
	}

	method _delete {} {
	switch $urltype {
	remote {set uri $remote}
	url {set uri $url}
	}

	set cache $urltype:$uri
	set crev {}
	if {$checktype eq {head}} {
	if {$check_head eq {}} {
	tk_messageBox \
	-icon error \
	-type ok \
	-title [wm title $w] \
	-parent $w \
	-message [mc "A branch is required for 'Merged Into'."]
	return
	}
	set crev $full_cache("$cache\nrefs/heads/$check_head")
	}

	set not_merged [list]
	set need_fetch 0
	set have_selection 0
	set push_cmd [list git push]
	lappend push_cmd -v
	lappend push_cmd $uri

	foreach i [$w.heads.l curselection] {
	set ref [lindex $full_list $i]
	if {$crev ne {}} {
	set obj $full_cache("$cache\n$ref")
	if {[catch {set m [git merge-base $obj $crev]}]} {
	set need_fetch 1
	set m {}
	}
	if {$obj ne $m} {
	lappend not_merged [lindex $head_list $i]
	continue
	}
	}

	lappend push_cmd :$ref
	set have_selection 1
	}

	if {$not_merged ne {}} {
	set msg [mc "The following branches are not completely merged into %s:

	- %s" $check_head [join $not_merged "\n - "]]

	if {$need_fetch} {
	append msg "\n\n" [mc "One or more of the merge tests failed because you have not fetched the necessary commits. Try fetching from %s first." $uri]
	}

	tk_messageBox \
	-icon info \
	-type ok \
	-title [wm title $w] \
	-parent $w \
	-message $msg
	if {!$have_selection} return
	}

	if {!$have_selection} {
	tk_messageBox \
	-icon error \
	-type ok \
	-title [wm title $w] \
	-parent $w \
	-message [mc "Please select one or more branches to delete."]
	return
	}

	if {$checktype ne {head}} {
	if {[tk_messageBox \
	-icon warning \
	-type yesno \
	-title [wm title $w] \
	-parent $w \
	-message [mc "Recovering deleted branches is difficult.\n\nDelete the selected branches?"]] ne yes} {
	return
	}
	}

	destroy $w

	set cons [console::new \
	"push $uri" \
	[mc "Deleting branches from %s" $uri]]
	console::exec $cons $push_cmd
	}

	method _rescan {{force 1}} {
	switch $urltype {
	remote {set uri $remote}
	url {set uri $url}
	}

	if {$force} {
	unset -nocomplain cached($urltype:$uri)
	}

	if {$idle_id ne {}} {
	after cancel $idle_id
	set idle_id {}
	}

	_load $this $urltype:$uri $uri
	}

	method _write_remote {args} { set urltype remote }
	method _write_url {args} { set urltype url }
	method _write_check_head {args} { set checktype head }

	method _write_head_list {args} {
	global current_branch _last_merged_branch

	$head_m delete 0 end
	foreach abr $head_list {
	$head_m insert end radiobutton \
	-label $abr \
	-value $abr \
	-variable @check_head
	}
	if {[lsearch -exact -sorted $head_list $check_head] < 0} {
	if {[lsearch -exact -sorted $head_list $current_branch] < 0} {
	set check_head {}
	} else {
	set check_head $current_branch
	}
	}
	set lmb [lsearch -exact -sorted $head_list $_last_merged_branch]
	if {$lmb >= 0} {
	$w.heads.l conf -state normal
	$w.heads.l select set $lmb
	$w.heads.l yview $lmb
	$w.heads.l conf -state disabled
	}
	}

	method _write_urltype {args} {
	if {$urltype eq {url}} {
	if {$idle_id ne {}} {
	after cancel $idle_id
	}
	_load $this none: {}
	set idle_id [after 1000 [cb _rescan 0]]
	} else {
	_rescan $this 0
	}
	}

	method _load {cache uri} {
	if {$active_ls ne {}} {
	catch {close $active_ls}
	}

	if {$uri eq {}} {
	$w.heads.l conf -state disabled
	set head_list [list]
	set full_list [list]
	set status [mc "No repository selected."]
	return
	}

	if {[catch {set x $cached($cache)}]} {
	set status [mc "Scanning %s..." $uri]
	$w.heads.l conf -state disabled
	set head_list [list]
	set full_list [list]
	set head_cache($cache) [list]
	set full_cache($cache) [list]
	set active_ls [git_read ls-remote $uri]
	fconfigure $active_ls \
	-blocking 0 \
	-translation lf \
	-encoding utf-8
	fileevent $active_ls readable [cb _read $cache $active_ls]
	} else {
	set status {}
	set full_list $full_cache($cache)
	set head_list $head_cache($cache)
	$w.heads.l conf -state normal
	}
	}

	method _read {cache fd} {
	if {$fd ne $active_ls} {
	catch {close $fd}
	return
	}

	while {[gets $fd line] >= 0} {
	if {[string match {*^{}} $line]} continue
	if {[regexp {^([0-9a-f]{40}) (.*)$} $line _junk obj ref]} {
	if {[regsub ^refs/heads/ $ref {} abr]} {
	lappend head_list $abr
	lappend head_cache($cache) $abr
	lappend full_list $ref
	lappend full_cache($cache) $ref
	set full_cache("$cache\n$ref") $obj
	}
	}
	}

	if {[eof $fd]} {
	if {[catch {close $fd} err]} {
	set status $err
	set head_list [list]
	set full_list [list]
	} else {
	set status {}
	set cached($cache) 1
	$w.heads.l conf -state normal
	}
	}
	} ifdeleted {
	catch {close $fd}
	}

	}