"

stx:libscm - a new source code management library for Smalltalk/X

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License. 

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

"

"{ Package: 'stx:libscm/mercurial' }"

AbstractSourceCodeManagementSettingsAppl subclass:#HGSourceCodeManagementSettingsAppl

	instanceVariableNames:'defaultLogo hgCommand hgDiff2Command hgDiff3Command hgAutopush

		infoPanel hgrcAspect'

	classVariableNames:'IgnoreCheckUsername IgnoreCheckMenuLayout'

	poolDictionaries:''

	category:'SCM-Mercurial-StX-Interface'

!

!HGSourceCodeManagementSettingsAppl class methodsFor:'documentation'!

copyright

"

stx:libscm - a new source code management library for Smalltalk/X

This library is free software; you can redistribute it and/or

modify it under the terms of the GNU Lesser General Public

License as published by the Free Software Foundation; either

version 2.1 of the License. 

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public

License along with this library; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

"

! !

!HGSourceCodeManagementSettingsAppl class methodsFor:'initialization'!

initialize

    "Invoked at system start or when the class is dynamically loaded."

    "/ please change as required (and remove this comment)

    IgnoreCheckUsername := false.

    IgnoreCheckMenuLayout := false.

    "Modified: / 18-02-2014 / 11:46:18 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!HGSourceCodeManagementSettingsAppl class methodsFor:'image specs'!

defaultIcon

    ^ self defaultIcon3

    "Created: / 22-12-2011 / 13:47:11 / cg"

!

defaultIcon1

    "This resource specification was automatically generated

     by the ImageEditor of ST/X."

    "Do not manually edit this!! If it is corrupted,

     the ImageEditor may not be able to read the specification."

    "

     self defaultIcon1 inspect

     ImageEditor openOnClass:self andSelector:#defaultIcon1

     Icon flushCachedIcons

    "

    <resource: #image>

    ^Icon

        constantNamed:'MercurialSourceCodeManagementSettingsAppl class defaultIcon1'

        ifAbsentPut:[(Depth8Image new) width: 24; height: 24; photometric:(#palette); bitsPerSample:(#[8]); samplesPerPixel:(1); bits:(ByteArray fromPackedString:'

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@PHCA@PEA D@@@@@@@@@@@@@@@@@@@@GA@ HB@ HB@$C

B @@@@@@@@@@@@@@@@,IB@ HB@ HB@ LA@4@@@@@@@@@@@@@C LLB@ HB@ HB@ HB@<P@@@@@@@@@@@@BPPHB@ HB@ HB@ HBADR@@@@@@@@@@@@D0$HB@ H

B@ HB@ HB@ SA@@@@@@@@@@@@APLB@ HB@ HB@ HB@ IEP@@@@@VA@LW@Q OC@ HB@ HB@ HB@ LFPD@@@DLBP\Q@@@ZF0 LB@ HB@ HB@ IF@X@@A0HA!!4^

@@@SF!!<_@@$HB@ HB@0FH@L@@BDI@AHC@@@@HP@O@BHIB@ HB@LFH0H@@@@ABQ0@@@@@@@@!!A@@DB@ HCA0OI@8@@@@@@@@@@A\@@@@@@@XDB@ HBP8%I D@

@@@@@@@BA@$D@P@@@@8IB@ LC P''C0@@@@@@@@DIB@ HBQ0@@@8LA@XA@Q<Y@0@@@@@@@@PLB@ DA@@@@@PCB" JC2T[@@@@@@@@@@PLB@PPBP@@@@P)JB$I

J!!HA@@@@@@@@@B,LBQXCKB,@A XACQP-F0L@@@@@@@@@@@(RK"T,D0@@BA,/LCD@L @@@@@@@@@@@@@@@ $!!@@@@@QTTC@ 3@@@@@@@@@@@@@@@@@@@@@@@@

@CP\L0@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@') ; colorMapFromArray:#[143 136 136 208 208 208 192 192 184 176 176 176 175 168 168 176 168 168 191 184 184 191 176 176 159 152 144 160 160 160 239 232 224 192 184 184 159 152 160 207 192 200 207 200 200 144 144 144 224 224 224 160 152 160 127 120 120 144 144 136 128 128 128 111 104 104 207 200 208 239 232 240 95 88 88 96 96 96 79 72 80 112 112 120 192 192 200 223 208 208 111 104 96 80 80 80 64 64 64 223 216 216 128 120 128 31 24 24 32 32 24 79 72 64 64 56 56 47 40 40 240 240 240 239 224 224 63 48 48 191 184 176 112 112 104 64 64 56 63 56 56 48 48 48 48 40 48 127 112 120 160 160 168 208 200 208 224 224 216]; mask:((Depth1Image new) width: 24; height: 24; photometric:(#blackIs0); bitsPerSample:(#[1]); samplesPerPixel:(1); bits:(ByteArray fromPackedString:'@@@@@@@@@G>@@O? @_?0@??8@??8@??<@??<O??>__?>_O?>_G?>NA?>@P_>A<_<C>_<C>_8C>_8C>?0C<? @8?@@@\@@@@@') ; yourself); yourself]

!

defaultIcon2

    "This resource specification was automatically generated

     by the ImageEditor of ST/X."

    "Do not manually edit this!! If it is corrupted,

     the ImageEditor may not be able to read the specification."

    "

     self defaultIcon2 inspect

     ImageEditor openOnClass:self andSelector:#defaultIcon2

     Icon flushCachedIcons

    "

    <resource: #image>

    ^Icon

        constantNamed:'MercurialSourceCodeManagementSettingsAppl class defaultIcon2'

        ifAbsentPut:[(Depth8Image new) width: 24; height: 24; photometric:(#palette); bitsPerSample:(#[8]); samplesPerPixel:(1); bits:(ByteArray fromPackedString:'

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@PHCA@PEA D@@@@@@@@@@@@@@@@@@@@GA@ HB@ HB@$C

B @@@@@@@@@@@@@@@@,IB@ HB@ HB@ LA@4@@@@@@@@@@@@@C LLB@ HB@ HB@ HB@<P@@@@@@@@@@@@BPPHB@ HB@ HB@ HBADR@@@@@@@@@@@@D0$HB@ H

B@ HB@ HB@ SA@@@@@@@@@@@@APLB@ HB@ HB@ HB@ IEP@@@@@VA@LW@Q OC@ HB@ HB@ HB@ LFPD@@@DLBP\Q@@@ZF0 LB@ HB@ HB@ IF@X@@A0HA!!4^

@@@SF!!<_@@$HB@ HB@0FH@L@@BDI@AH:N#\7HP@O@BHIB@ HB@LFH0H@@@@ABS\:N#(:M0@!!A@@DB@ HCA0OI@8@@@@@M#(:@A\@@C\@@@XDB@ HBP8%I D@

@@@@M3 7A@$D@P@@@@8IB@ LC P''C0@@@C\7N#$:N0 HHA0@@@8LA@XA@Q<Y@0@@@@@7NS(7B@  HB@@@@PCB" JC2T[@@@@@@@@M34LBB@<OAP @@P)JB$I

J!!HA@@@@@@@@@B,LHB@YHB@ A XACQP-F0L@@@@@@@@ @@(RK"T H@@@BA,/LCD@L @@@@@@@@@@HB@ HB@ MP@@@QTTC@ 3@@@@@@@@@@@@@A$ HB@5@@@@

@CP\L0@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@') ; colorMapFromArray:#[143 136 136 208 208 208 192 192 184 176 176 176 175 168 168 176 168 168 191 184 184 191 176 176 159 152 144 160 160 160 239 232 224 192 184 184 159 152 160 207 192 200 207 200 200 144 144 144 224 224 224 160 152 160 127 120 120 144 144 136 128 128 128 111 104 104 207 200 208 239 232 240 95 88 88 96 96 96 79 72 80 112 112 120 192 192 200 223 208 208 111 104 96 80 80 80 64 64 64 223 216 216 128 120 128 31 24 24 32 32 24 79 72 64 64 56 56 47 40 40 240 240 240 239 224 224 63 48 48 191 184 176 112 112 104 64 64 56 63 56 56 48 48 48 48 40 48 127 112 120 160 160 168 208 200 208 224 224 216 0 0 0 0 64 0 32 96 32 96 192 128 32 128 64 32 160 64 32 128 32 32 32 32 32 64 32]; mask:((Depth1Image new) width: 24; height: 24; photometric:(#blackIs0); bitsPerSample:(#[1]); samplesPerPixel:(1); bits:(ByteArray fromPackedString:'@@@@@@@@@G>@@O? @_?0@??8@??8@??<@??<O??>__?>_O?>_??>O=?>GR_>G<_<_>_<O>_8G?_8C??0K<? G<?@C8\@@@@@') ; yourself); yourself]

!

defaultIcon3

    "This resource specification was automatically generated

     by the ImageEditor of ST/X."

    "Do not manually edit this!! If it is corrupted,

     the ImageEditor may not be able to read the specification."

    "

     self defaultIcon3 inspect

     ImageEditor openOnClass:self andSelector:#defaultIcon3

     Icon flushCachedIcons

    "

    <resource: #image>

    ^Icon

        constantNamed:'HGSourceCodeManagementSettingsAppl defaultIcon3'

        ifAbsentPut:[(Depth8Image new) width: 24; height: 24; photometric:(#palette); bitsPerSample:(#[8]); samplesPerPixel:(1); bits:(ByteArray fromPackedString:'

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@PHCA@PEA D@@@@@@@@@@@@@@@@@@@@GA@ HB@ HB@$C

B @@@@@@@@@@@@@@@@,IB@ HB@ HB@ LA@4@@@@@@@@@@@@@C LLB@ HB@ HB@ HB@<N@@@@@@@@@@@@BPPHB@ HB@ HB@ HBADR@@@@@@@@@@@@D0$HB@ H

B@ HB@ HB@ SA@@@@@@@@@@@@APLB@ HB@ HB@ HB@ IEP@@@@@VA@LW@Q OC@ HB@ HB@ HB@ LFPD@@@DLBP\Q@@@ZF0 LB@ HB@ HB@ IF@X@@A0HA!!4^

@@@SF!!<_@@$HB@ HB@0FH@L@@BDI@AH:N#\7HP@O@BHIB@ HB@LFH0H@@@@ABS\:N#(:M0@!!A@@DB@ HCA0OI@8@@@@@M#(:@A\@@C\@@@XDB@ HBP8%I D@

@@@@M3 7A@$D@P@@@@8IB@ LDA@''C0@@@C\7N#$:N0 HOA0@@@8LA@XADA@Y@0@@@@@7NS(7B@ <OC0@@@PCB" JDA@[@@@@@@@@M4@LBC0?O38<@@P)DA@P

DA@PDA@@@@@@@B,LOC0=OC0<A XADA@PDA@PDA@@@@@<@@(RK"T<O@@@BA,/LCD@DA@@@@@@@@@@OC0<OC0<MP@@@QTTC@ 3DA@@@@@@@@@@@C4<OC05@@@@

@CP\L0@@DA@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@') ; colorMapFromArray:#[174 169 169 255 255 255 233 233 230 216 216 216 213 209 209 214 209 209 232 229 229 229 223 223 191 187 181 197 197 197 255 255 255 233 230 230 194 189 194 247 244 245 251 250 250 177 177 177 131 0 0 194 189 194 155 149 149 175 175 169 157 157 157 136 128 128 251 251 251 255 255 255 117 108 108 118 118 118 97 89 98 139 139 147 240 240 242 255 255 255 137 128 118 98 98 98 79 79 79 255 255 255 156 149 156 38 30 30 39 39 30 97 89 79 79 69 69 58 49 49 255 255 255 255 255 255 77 59 59 229 226 223 137 137 128 79 79 69 77 69 69 59 59 59 59 49 59 154 140 147 199 199 204 251 251 251 255 255 255 0 0 0 0 64 0 32 96 32 96 192 128 32 128 64 32 160 64 32 128 32 64 64 64 96 96 96 128 128 128 32 32 32 32 64 32]; mask:((Depth1Image new) width: 24; height: 24; photometric:(#blackIs0); bitsPerSample:(#[1]); samplesPerPixel:(1); bits:(ByteArray fromPackedString:'@@@@@@@@@G>@@O? @_?0@??8@??8@??<@??<O??>__?>_O?>_??>O=?>GR_>G<_<_>_<O>_8G?_>C??>K<?0G<?0C8\0@@@@') ; yourself); yourself]

!

defaultLogo

    ^ HGIconLibrary hgLogo2

    "Created: / 04-10-2012 / 19:01:06 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 15-11-2012 / 23:12:46 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!HGSourceCodeManagementSettingsAppl class methodsFor:'interface specs'!

windowSpec

    "This resource specification was automatically generated

     by the UIPainter of ST/X."

    "Do not manually edit this!! If it is corrupted,

     the UIPainter may not be able to read the specification."

    "

     UIPainter new openOnClass:HGSourceCodeManagementSettingsAppl andSelector:#windowSpec

     HGSourceCodeManagementSettingsAppl new openInterface:#windowSpec

     HGSourceCodeManagementSettingsAppl open

    "

    <resource: #canvas>

    ^ 

    #(FullSpec

       name: windowSpec

       window: 

      (WindowSpec

         label: 'Mercurial Settings'

         name: 'Mercurial Settings'

         min: (Point 10 10)

         bounds: (Rectangle 0 0 695 627)

       )

       component: 

      (SpecCollection

         collection: (

          (LabelSpec

             label: ' Mercurial Settings'

             name: 'MercurialSettingsTitle'

             layout: (LayoutFrame 0 0 0 0 0 1 66 0)

             style: (FontDescription helvetica medium roman 18 #'iso10646-1')

             backgroundColor: (Color 100.0 100.0 100.0)

             translateLabel: true

             adjust: left

           )

          (LabelSpec

             label: 'Logo'

             name: 'MercurialLogo'

             layout: (LayoutFrame -71 1 -1 0 4 1 65 0)

             hasCharacterOrientedLabel: false

             backgroundColor: (Color 100.0 100.0 100.0)

             translateLabel: true

             labelChannel: defaultLogo

           )

          (ViewSpec

             name: 'OuterPanel'

             layout: (LayoutFrame 0 0 67 0 0 1 0 1)

             component: 

            (SpecCollection

               collection: (

                (SubCanvasSpec

                   name: 'InfoPanel'

                   layout: (LayoutFrame 0 0 0 0 0 1 40 0)

                   level: 0

                   initiallyInvisible: true

                   hasHorizontalScrollBar: false

                   hasVerticalScrollBar: false

                   clientKey: infoPanel

                   createNewBuilder: false

                 )

                (ViewSpec

                   name: 'InnerPanel'

                   layout: (LayoutFrame 0 0 0 0 0 1 0 1)

                   component: 

                  (SpecCollection

                     collection: (

                      (CheckBoxSpec

                         label: 'Show in Menus'

                         name: 'CheckBox1'

                         layout: (LayoutFrame 0 0 0 0 0 1 30 0)

                         activeHelpKey: shownInBrowserMenus

                         model: shownInBrowserMenusHolder

                         translateLabel: true

                       )

                      (ViewSpec

                         name: 'Settings'

                         layout: (LayoutFrame 0 0 40 0 0 1 0 1)

                         component: 

                        (SpecCollection

                           collection: (

                            (VerticalPanelViewSpec

                               name: 'GeneralSettingsPanel'

                               layout: (LayoutFrame 0 0 0 0 0 1 0 1)

                               horizontalLayout: fit

                               verticalLayout: top

                               horizontalSpace: 3

                               verticalSpace: 3

                               component: 

                              (SpecCollection

                                 collection: (

                                  (ViewSpec

                                     name: 'Panel1'

                                     component: 

                                    (SpecCollection

                                       collection: (

                                        (LabelSpec

                                           label: '''hg'' command:'

                                           name: 'CommandLabel'

                                           layout: (LayoutFrame 5 0 0 0 120 0 30 0)

                                           translateLabel: true

                                           adjust: left

                                         )

                                        (FilenameInputFieldSpec

                                           name: 'HGCommand'

                                           layout: (LayoutFrame 125 0 0 0 -100 1 0 1)

                                           enableChannel: hgEnabled

                                           model: hgCommand

                                           acceptOnPointerLeave: true

                                           emptyFieldReplacementText: 'Autodetect'

                                         )

                                        (ActionButtonSpec

                                           label: 'Test'

                                           name: 'HGCommandTest'

                                           layout: (LayoutFrame -100 1 0 0 -8 1 0 1)

                                           visibilityChannel: false

                                           translateLabel: true

                                           model: doTestHGCommand

                                         )

                                        (ActionButtonSpec

                                           label: 'Browse'

                                           name: 'BrowseButton'

                                           layout: (LayoutFrame -100 1 0 0 -8 1 0 1)

                                           translateLabel: true

                                           model: doSelectHGCommand

                                           enableChannel: hgEnabled

                                         )

                                        )

                                     )

                                     extent: (Point 695 25)

                                   )

                                  (ViewSpec

                                     name: 'Spacer1'

                                     extent: (Point 695 15)

                                   )

                                  (CheckBoxSpec

                                     label: 'Automatically push changes to upstream repository'

                                     name: 'CheckBox2'

                                     enableChannel: hgEnabled

                                     model: hgAutopush

                                     translateLabel: true

                                     extent: (Point 695 22)

                                   )

                                  (ViewSpec

                                     name: 'Spacer2'

                                     extent: (Point 695 14)

                                   )

                                  (ViewSpec

                                     name: 'SettingsFile'

                                     component: 

                                    (SpecCollection

                                       collection: (

                                        (LabelSpec

                                           label: 'Mercurial user configuration file:'

                                           name: 'Label1'

                                           layout: (LayoutFrame 25 0 -1 0 0 1 24 0)

                                           translateLabel: true

                                           adjust: left

                                         )

                                        (LinkButtonSpec

                                           label: 'LinkButton'

                                           name: 'EditPreferences'

                                           layout: (LayoutFrame 25 0 28 0 -100 1 58 0)

                                           foregroundColor: (Color 0.0 0.0 100.0)

                                           translateLabel: true

                                           labelChannel: hgrcAspect

                                           adjust: left

                                           model: doEditHGRC

                                           enableChannel: hgEnabled

                                         )

                                        (ActionButtonSpec

                                           label: 'Edit'

                                           name: 'Button1'

                                           layout: (LayoutFrame -106 1 -17 0.5 -6 1 8 0.5)

                                           translateLabel: true

                                           model: doEditHGRC

                                           enableChannel: hgEnabled

                                         )

                                        )

                                     )

                                     extent: (Point 695 92)

                                   )

                                  )

                               )

                             )

                            )

                         )

                       )

                      )

                   )

                 )

                )

             )

           )

          )

       )

     )

! !

!HGSourceCodeManagementSettingsAppl class methodsFor:'queries'!

managerClass

    "backlink to my manager class (needed by the settings app)"

    ^ HGSourceCodeManager

    "Created: / 19-04-2011 / 12:46:52 / cg"

    "Modified: / 13-11-2012 / 22:15:39 / Jan Vrany <jan.vrany@fit.cvut.cz>"

! !

!HGSourceCodeManagementSettingsAppl methodsFor:'actions'!

doCheckSettings

    "Perform some sanity check on current configuration"

    self doCheckUsername ifFalse:[ ^ self ].

    self doCheckMenuLayout ifFalse:[ ^ self ].    

    self doCheckCommand ifFalse:[ ^ self ].    

     self infoPanel hide.

    "Created: / 18-02-2014 / 10:04:12 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 21-02-2014 / 10:32:55 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

doEditHGRC

    <resource: #uiCallback>

    | hgrc editor |

    hgrc := self hgrcAspect value asString string asFilename.

    hgrc exists ifFalse:[ 

        hgrc writingFileDo:[ :s |

            s nextPutAll: HGConfig userConfigFileTemplate

        ].

    ].

    editor := WorkspaceApplication new.

    editor open.

    editor enqueueDelayedAction:[

        editor loadFile: hgrc.

        editor syntaxHolder value: nil.

    ]

    "Modified: / 18-02-2014 / 10:43:39 / Jan Vrany <jan.vrany@fit.cvut.cz>"

!

doSelectHGCommand

    | guess executable |

    guess := OperatingSystem pathOfCommand: 'hg'.

    executable := Dialog requestFileName:(resources string:'Select hg command') default: guess ifFail:[ ^ self ].

    (executable includes: Character space) ifTrue:[ 

        executable := '"' , executable , '"'.

    ].

    self hgCommand value: executable

    "Created: / 21-02-2014 / 10:13:31 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 17-07-2014 / 19:39:31 / jv"

!

doTestHGCommand

    self hgCommand value isEmptyOrNil ifTrue:[

        self doTestHGCommand: HGCommand hgCommand

    ] ifFalse:[

        self doTestHGCommand: self hgCommand value

    ]

    "Created: / 19-11-2012 / 21:32:03 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 21-01-2013 / 04:59:14 / jv"

!

doTestHGCommand: command

    | version versionString |

    (OperatingSystem canExecuteCommand: command) ifFalse:[

        Dialog warn: 'Cannot execute hg command.\\Make sure Metcurial is installed and PATH is set up correctly' withCRs.

        ^self.

    ].

    [

        versionString := OperatingSystem getCommandOutputFrom:('"%1" --version' bindWith:command).

        version := (HGCommandParser on: versionString) parseCommandVersion.

        (HGCommand hgVersionIsSupported:version) ifTrue:[

            Dialog information: ('Installed Mercurial version is OK.\\Reported version: ', versionString) withCRs.

        ] ifFalse:[

            Dialog warn: ('Installed Mercurial is not (yet) supported.\\Reported version: ', versionString) withCRs.

        ].

    ] on: HGCommandError do:[

        Dialog warn: 'Failed to read ''',command,' --version'''.

        ^self

    ].

    "Created: / 19-11-2012 / 21:32:12 / Jan Vrany <jan.vrany@fit.cvut.cz>"

    "Modified: / 21-01-2013 / 05:12:39 / jv"

! !

!HGSourceCodeManagementSettingsAppl methodsFor:'actions-checks'!

doCheckCommand

    "Check `hg` command. Return true if `hg` command exists

     and of supported version, false otherwise."

    | command |

    command := self hgCommand value.

    command isEmptyOrNil ifTrue:[         

        command := OperatingSystem pathOfCommand:'hg'.

        command isNil ifTrue:[ 

            self infoPanel 

                reset;

                beWarning;

                message: (resources string:'Cannot find path to `hg` command');

                addButtonWithLabel: (self resources string:'Browse') action: [self infoPanel hide. self doSelectHGCommand ];

                show.            

            ^ false                

        ].

    ].

    [

        HGCommand hgCommandValidate: command 

    ] on: HGInvalidVersionError do:[:ex | 

        self infoPanel 

            reset;

            beWarning;

            message: (resources string:'Unssuported Mercurial version %1' with: (ex parameter asStringWith: $.));

            addButtonWithLabel: (self resources string:'Browse') action: [self infoPanel hide. self doSelectHGCommand ];

            show.            

        ^ false                            

    ] on: HGCommandError do:[:ex |

        self infoPanel