diffcore-rename: cache file deltas
[gitweb.git] / git-gui / lib / branch.tcl
index 4f648b2bc7a52e965ee62bcce7687c0e356f3f31..777eeb79c1355ec49ce175cc5c33a13df6e41c97 100644 (file)
 # Copyright (C) 2006, 2007 Shawn Pearce
 
 proc load_all_heads {} {
-       global all_heads
+       global some_heads_tracking
 
+       set rh refs/heads
+       set rh_len [expr {[string length $rh] + 1}]
        set all_heads [list]
-       set fd [open "| git for-each-ref --format=%(refname) refs/heads" r]
+       set fd [git_read for-each-ref --format=%(refname) $rh]
        while {[gets $fd line] > 0} {
-               if {[is_tracking_branch $line]} continue
-               if {![regsub ^refs/heads/ $line {} name]} continue
-               lappend all_heads $name
+               if {!$some_heads_tracking || ![is_tracking_branch $line]} {
+                       lappend all_heads [string range $line $rh_len end]
+               }
        }
        close $fd
 
-       set all_heads [lsort $all_heads]
+       return [lsort $all_heads]
 }
 
 proc load_all_tags {} {
        set all_tags [list]
-       set fd [open "| git for-each-ref --format=%(refname) refs/tags" r]
+       set fd [git_read for-each-ref \
+               --sort=-taggerdate \
+               --format=%(refname) \
+               refs/tags]
        while {[gets $fd line] > 0} {
                if {![regsub ^refs/tags/ $line {} name]} continue
                lappend all_tags $name
        }
        close $fd
-
-       return [lsort $all_tags]
-}
-
-proc populate_branch_menu {} {
-       global all_heads disable_on_lock
-
-       set m .mbar.branch
-       set last [$m index last]
-       for {set i 0} {$i <= $last} {incr i} {
-               if {[$m type $i] eq {separator}} {
-                       $m delete $i last
-                       set new_dol [list]
-                       foreach a $disable_on_lock {
-                               if {[lindex $a 0] ne $m || [lindex $a 2] < $i} {
-                                       lappend new_dol $a
-                               }
-                       }
-                       set disable_on_lock $new_dol
-                       break
-               }
-       }
-
-       if {$all_heads ne {}} {
-               $m add separator
-       }
-       foreach b $all_heads {
-               $m add radiobutton \
-                       -label $b \
-                       -command [list switch_branch $b] \
-                       -variable current_branch \
-                       -value $b
-               lappend disable_on_lock \
-                       [list $m entryconf [$m index last] -state]
-       }
-}
-
-proc do_create_branch_action {w} {
-       global all_heads null_sha1 repo_config
-       global create_branch_checkout create_branch_revtype
-       global create_branch_head create_branch_trackinghead
-       global create_branch_name create_branch_revexp
-       global create_branch_tag
-
-       set newbranch $create_branch_name
-       if {$newbranch eq {}
-               || $newbranch eq $repo_config(gui.newbranchtemplate)} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Please supply a branch name."
-               focus $w.desc.name_t
-               return
-       }
-       if {![catch {git show-ref --verify -- "refs/heads/$newbranch"}]} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Branch '$newbranch' already exists."
-               focus $w.desc.name_t
-               return
-       }
-       if {[catch {git check-ref-format "heads/$newbranch"}]} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "We do not like '$newbranch' as a branch name."
-               focus $w.desc.name_t
-               return
-       }
-
-       set rev {}
-       switch -- $create_branch_revtype {
-       head {set rev $create_branch_head}
-       tracking {set rev $create_branch_trackinghead}
-       tag {set rev $create_branch_tag}
-       expression {set rev $create_branch_revexp}
-       }
-       if {[catch {set cmt [git rev-parse --verify "${rev}^0"]}]} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Invalid starting revision: $rev"
-               return
-       }
-       if {[catch {
-                       git update-ref \
-                               -m "branch: Created from $rev" \
-                               "refs/heads/$newbranch" \
-                               $cmt \
-                               $null_sha1
-               } err]} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Failed to create '$newbranch'.\n\n$err"
-               return
-       }
-
-       lappend all_heads $newbranch
-       set all_heads [lsort $all_heads]
-       populate_branch_menu
-       destroy $w
-       if {$create_branch_checkout} {
-               switch_branch $newbranch
-       }
+       return $all_tags
 }
 
 proc radio_selector {varname value args} {
        upvar #0 $varname var
        set var $value
 }
-
-trace add variable create_branch_head write \
-       [list radio_selector create_branch_revtype head]
-trace add variable create_branch_trackinghead write \
-       [list radio_selector create_branch_revtype tracking]
-trace add variable create_branch_tag write \
-       [list radio_selector create_branch_revtype tag]
-
-trace add variable delete_branch_head write \
-       [list radio_selector delete_branch_checktype head]
-trace add variable delete_branch_trackinghead write \
-       [list radio_selector delete_branch_checktype tracking]
-
-proc do_create_branch {} {
-       global all_heads current_branch repo_config
-       global create_branch_checkout create_branch_revtype
-       global create_branch_head create_branch_trackinghead
-       global create_branch_name create_branch_revexp
-       global create_branch_tag
-
-       set w .branch_editor
-       toplevel $w
-       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
-
-       label $w.header -text {Create New Branch} \
-               -font font_uibold
-       pack $w.header -side top -fill x
-
-       frame $w.buttons
-       button $w.buttons.create -text Create \
-               -default active \
-               -command [list do_create_branch_action $w]
-       pack $w.buttons.create -side right
-       button $w.buttons.cancel -text {Cancel} \
-               -command [list destroy $w]
-       pack $w.buttons.cancel -side right -padx 5
-       pack $w.buttons -side bottom -fill x -pady 10 -padx 10
-
-       labelframe $w.desc -text {Branch Description}
-       label $w.desc.name_l -text {Name:}
-       entry $w.desc.name_t \
-               -borderwidth 1 \
-               -relief sunken \
-               -width 40 \
-               -textvariable create_branch_name \
-               -validate key \
-               -validatecommand {
-                       if {%d == 1 && [regexp {[~^:?*\[\0- ]} %S]} {return 0}
-                       return 1
-               }
-       grid $w.desc.name_l $w.desc.name_t -sticky we -padx {0 5}
-       grid columnconfigure $w.desc 1 -weight 1
-       pack $w.desc -anchor nw -fill x -pady 5 -padx 5
-
-       labelframe $w.from -text {Starting Revision}
-       if {$all_heads ne {}} {
-               radiobutton $w.from.head_r \
-                       -text {Local Branch:} \
-                       -value head \
-                       -variable create_branch_revtype
-               eval tk_optionMenu $w.from.head_m create_branch_head $all_heads
-               grid $w.from.head_r $w.from.head_m -sticky w
-       }
-       set all_trackings [all_tracking_branches]
-       if {$all_trackings ne {}} {
-               set create_branch_trackinghead [lindex $all_trackings 0]
-               radiobutton $w.from.tracking_r \
-                       -text {Tracking Branch:} \
-                       -value tracking \
-                       -variable create_branch_revtype
-               eval tk_optionMenu $w.from.tracking_m \
-                       create_branch_trackinghead \
-                       $all_trackings
-               grid $w.from.tracking_r $w.from.tracking_m -sticky w
-       }
-       set all_tags [load_all_tags]
-       if {$all_tags ne {}} {
-               set create_branch_tag [lindex $all_tags 0]
-               radiobutton $w.from.tag_r \
-                       -text {Tag:} \
-                       -value tag \
-                       -variable create_branch_revtype
-               eval tk_optionMenu $w.from.tag_m create_branch_tag $all_tags
-               grid $w.from.tag_r $w.from.tag_m -sticky w
-       }
-       radiobutton $w.from.exp_r \
-               -text {Revision Expression:} \
-               -value expression \
-               -variable create_branch_revtype
-       entry $w.from.exp_t \
-               -borderwidth 1 \
-               -relief sunken \
-               -width 50 \
-               -textvariable create_branch_revexp \
-               -validate key \
-               -validatecommand {
-                       if {%d == 1 && [regexp {\s} %S]} {return 0}
-                       if {%d == 1 && [string length %S] > 0} {
-                               set create_branch_revtype expression
-                       }
-                       return 1
-               }
-       grid $w.from.exp_r $w.from.exp_t -sticky we -padx {0 5}
-       grid columnconfigure $w.from 1 -weight 1
-       pack $w.from -anchor nw -fill x -pady 5 -padx 5
-
-       labelframe $w.postActions -text {Post Creation Actions}
-       checkbutton $w.postActions.checkout \
-               -text {Checkout after creation} \
-               -variable create_branch_checkout
-       pack $w.postActions.checkout -anchor nw
-       pack $w.postActions -anchor nw -fill x -pady 5 -padx 5
-
-       set create_branch_checkout 1
-       set create_branch_head $current_branch
-       set create_branch_revtype head
-       set create_branch_name $repo_config(gui.newbranchtemplate)
-       set create_branch_revexp {}
-
-       bind $w <Visibility> "
-               grab $w
-               $w.desc.name_t icursor end
-               focus $w.desc.name_t
-       "
-       bind $w <Key-Escape> "destroy $w"
-       bind $w <Key-Return> "do_create_branch_action $w;break"
-       wm title $w "[appname] ([reponame]): Create Branch"
-       tkwait window $w
-}
-
-proc do_delete_branch_action {w} {
-       global all_heads
-       global delete_branch_checktype delete_branch_head delete_branch_trackinghead
-
-       set check_rev {}
-       switch -- $delete_branch_checktype {
-       head {set check_rev $delete_branch_head}
-       tracking {set check_rev $delete_branch_trackinghead}
-       always {set check_rev {:none}}
-       }
-       if {$check_rev eq {:none}} {
-               set check_cmt {}
-       } elseif {[catch {set check_cmt [git rev-parse --verify "${check_rev}^0"]}]} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Invalid check revision: $check_rev"
-               return
-       }
-
-       set to_delete [list]
-       set not_merged [list]
-       foreach i [$w.list.l curselection] {
-               set b [$w.list.l get $i]
-               if {[catch {set o [git rev-parse --verify $b]}]} continue
-               if {$check_cmt ne {}} {
-                       if {$b eq $check_rev} continue
-                       if {[catch {set m [git merge-base $o $check_cmt]}]} continue
-                       if {$o ne $m} {
-                               lappend not_merged $b
-                               continue
-                       }
-               }
-               lappend to_delete [list $b $o]
-       }
-       if {$not_merged ne {}} {
-               set msg "The following branches are not completely merged into $check_rev:
-
- - [join $not_merged "\n - "]"
-               tk_messageBox \
-                       -icon info \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message $msg
-       }
-       if {$to_delete eq {}} return
-       if {$delete_branch_checktype eq {always}} {
-               set msg {Recovering deleted branches is difficult.
-
-Delete the selected branches?}
-               if {[tk_messageBox \
-                       -icon warning \
-                       -type yesno \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message $msg] ne yes} {
-                       return
-               }
-       }
-
-       set failed {}
-       foreach i $to_delete {
-               set b [lindex $i 0]
-               set o [lindex $i 1]
-               if {[catch {git update-ref -d "refs/heads/$b" $o} err]} {
-                       append failed " - $b: $err\n"
-               } else {
-                       set x [lsearch -sorted -exact $all_heads $b]
-                       if {$x >= 0} {
-                               set all_heads [lreplace $all_heads $x $x]
-                       }
-               }
-       }
-
-       if {$failed ne {}} {
-               tk_messageBox \
-                       -icon error \
-                       -type ok \
-                       -title [wm title $w] \
-                       -parent $w \
-                       -message "Failed to delete branches:\n$failed"
-       }
-
-       set all_heads [lsort $all_heads]
-       populate_branch_menu
-       destroy $w
-}
-
-proc do_delete_branch {} {
-       global all_heads tracking_branches current_branch
-       global delete_branch_checktype delete_branch_head delete_branch_trackinghead
-
-       set w .branch_editor
-       toplevel $w
-       wm geometry $w "+[winfo rootx .]+[winfo rooty .]"
-
-       label $w.header -text {Delete Local Branch} \
-               -font font_uibold
-       pack $w.header -side top -fill x
-
-       frame $w.buttons
-       button $w.buttons.create -text Delete \
-               -command [list do_delete_branch_action $w]
-       pack $w.buttons.create -side right
-       button $w.buttons.cancel -text {Cancel} \
-               -command [list destroy $w]
-       pack $w.buttons.cancel -side right -padx 5
-       pack $w.buttons -side bottom -fill x -pady 10 -padx 10
-
-       labelframe $w.list -text {Local Branches}
-       listbox $w.list.l \
-               -height 10 \
-               -width 70 \
-               -selectmode extended \
-               -yscrollcommand [list $w.list.sby set]
-       foreach h $all_heads {
-               if {$h ne $current_branch} {
-                       $w.list.l insert end $h
-               }
-       }
-       scrollbar $w.list.sby -command [list $w.list.l yview]
-       pack $w.list.sby -side right -fill y
-       pack $w.list.l -side left -fill both -expand 1
-       pack $w.list -fill both -expand 1 -pady 5 -padx 5
-
-       labelframe $w.validate -text {Delete Only If}
-       radiobutton $w.validate.head_r \
-               -text {Merged Into Local Branch:} \
-               -value head \
-               -variable delete_branch_checktype
-       eval tk_optionMenu $w.validate.head_m delete_branch_head $all_heads
-       grid $w.validate.head_r $w.validate.head_m -sticky w
-       set all_trackings [all_tracking_branches]
-       if {$all_trackings ne {}} {
-               set delete_branch_trackinghead [lindex $all_trackings 0]
-               radiobutton $w.validate.tracking_r \
-                       -text {Merged Into Tracking Branch:} \
-                       -value tracking \
-                       -variable delete_branch_checktype
-               eval tk_optionMenu $w.validate.tracking_m \
-                       delete_branch_trackinghead \
-                       $all_trackings
-               grid $w.validate.tracking_r $w.validate.tracking_m -sticky w
-       }
-       radiobutton $w.validate.always_r \
-               -text {Always (Do not perform merge checks)} \
-               -value always \
-               -variable delete_branch_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
-
-       set delete_branch_head $current_branch
-       set delete_branch_checktype head
-
-       bind $w <Visibility> "grab $w; focus $w"
-       bind $w <Key-Escape> "destroy $w"
-       wm title $w "[appname] ([reponame]): Delete Branch"
-       tkwait window $w
-}
-
-proc switch_branch {new_branch} {
-       global HEAD commit_type current_branch repo_config
-
-       if {![lock_index switch]} return
-
-       # -- Our in memory state should match the repository.
-       #
-       repository_state curType curHEAD curMERGE_HEAD
-       if {[string match amend* $commit_type]
-               && $curType eq {normal}
-               && $curHEAD eq $HEAD} {
-       } elseif {$commit_type ne $curType || $HEAD ne $curHEAD} {
-               info_popup {Last scanned state does not match repository state.
-
-Another Git program has modified this repository since the last scan.  A rescan must be performed before the current branch can be changed.
-
-The rescan will be automatically started now.
-}
-               unlock_index
-               rescan {set ui_status_value {Ready.}}
-               return
-       }
-
-       # -- Don't do a pointless switch.
-       #
-       if {$current_branch eq $new_branch} {
-               unlock_index
-               return
-       }
-
-       if {$repo_config(gui.trustmtime) eq {true}} {
-               switch_branch_stage2 {} $new_branch
-       } else {
-               set ui_status_value {Refreshing file status...}
-               set cmd [list git update-index]
-               lappend cmd -q
-               lappend cmd --unmerged
-               lappend cmd --ignore-missing
-               lappend cmd --refresh
-               set fd_rf [open "| $cmd" r]
-               fconfigure $fd_rf -blocking 0 -translation binary
-               fileevent $fd_rf readable \
-                       [list switch_branch_stage2 $fd_rf $new_branch]
-       }
-}
-
-proc switch_branch_stage2 {fd_rf new_branch} {
-       global ui_status_value HEAD
-
-       if {$fd_rf ne {}} {
-               read $fd_rf
-               if {![eof $fd_rf]} return
-               close $fd_rf
-       }
-
-       set ui_status_value "Updating working directory to '$new_branch'..."
-       set cmd [list git read-tree]
-       lappend cmd -m
-       lappend cmd -u
-       lappend cmd --exclude-per-directory=.gitignore
-       lappend cmd $HEAD
-       lappend cmd $new_branch
-       set fd_rt [open "| $cmd" r]
-       fconfigure $fd_rt -blocking 0 -translation binary
-       fileevent $fd_rt readable \
-               [list switch_branch_readtree_wait $fd_rt $new_branch]
-}
-
-proc switch_branch_readtree_wait {fd_rt new_branch} {
-       global selected_commit_type commit_type HEAD MERGE_HEAD PARENT
-       global current_branch
-       global ui_comm ui_status_value
-
-       # -- We never get interesting output on stdout; only stderr.
-       #
-       read $fd_rt
-       fconfigure $fd_rt -blocking 1
-       if {![eof $fd_rt]} {
-               fconfigure $fd_rt -blocking 0
-               return
-       }
-
-       # -- The working directory wasn't in sync with the index and
-       #    we'd have to overwrite something to make the switch. A
-       #    merge is required.
-       #
-       if {[catch {close $fd_rt} err]} {
-               regsub {^fatal: } $err {} err
-               warn_popup "File level merge required.
-
-$err
-
-Staying on branch '$current_branch'."
-               set ui_status_value "Aborted checkout of '$new_branch' (file level merging is required)."
-               unlock_index
-               return
-       }
-
-       # -- Update the symbolic ref.  Core git doesn't even check for failure
-       #    here, it Just Works(tm).  If it doesn't we are in some really ugly
-       #    state that is difficult to recover from within git-gui.
-       #
-       if {[catch {git symbolic-ref HEAD "refs/heads/$new_branch"} err]} {
-               error_popup "Failed to set current branch.
-
-This working directory is only partially switched.  We successfully updated your files, but failed to update an internal Git file.
-
-This should not have occurred.  [appname] will now close and give up.
-
-$err"
-               do_quit
-               return
-       }
-
-       # -- Update our repository state.  If we were previously in amend mode
-       #    we need to toss the current buffer and do a full rescan to update
-       #    our file lists.  If we weren't in amend mode our file lists are
-       #    accurate and we can avoid the rescan.
-       #
-       unlock_index
-       set selected_commit_type new
-       if {[string match amend* $commit_type]} {
-               $ui_comm delete 0.0 end
-               $ui_comm edit reset
-               $ui_comm edit modified false
-               rescan {set ui_status_value "Checked out branch '$current_branch'."}
-       } else {
-               repository_state commit_type HEAD MERGE_HEAD
-               set PARENT $HEAD
-               set ui_status_value "Checked out branch '$current_branch'."
-       }
-}