git-gui/lib/remote.tcl

   1 # git-gui remote management
   2 # Copyright (C) 2006, 2007 Shawn Pearce
   3
   4 set some_heads_tracking 0;  # assume not
   5
   6 proc is_tracking_branch {name} {
   7         global tracking_branches
   8         foreach spec $tracking_branches {
   9                 set t [lindex $spec 0]
  10                 if {$t eq $name || [string match $t $name]} {
  11                         return 1
  12                 }
  13         }
  14         return 0
  15 }
  16
  17 proc all_tracking_branches {} {
  18         global tracking_branches
  19
  20         set all [list]
  21         set pat [list]
  22         set cmd [list]
  23
  24         foreach spec $tracking_branches {
  25                 set dst [lindex $spec 0]
  26                 if {[string range $dst end-1 end] eq {/*}} {
  27                         lappend pat $spec
  28                         lappend cmd [string range $dst 0 end-2]
  29                 } else {
  30                         lappend all $spec
  31                 }
  32         }
  33
  34         if {$pat ne {}} {
  35                 set fd [eval git_read for-each-ref --format=%(refname) $cmd]
  36                 while {[gets $fd n] > 0} {
  37                         foreach spec $pat {
  38                                 set dst [string range [lindex $spec 0] 0 end-2]
  39                                 set len [string length $dst]
  40                                 if {[string equal -length $len $dst $n]} {
  41                                         set src [string range [lindex $spec 2] 0 end-2]
  42                                         set spec [list \
  43                                                 $n \
  44                                                 [lindex $spec 1] \
  45                                                 $src[string range $n $len end] \
  46                                                 ]
  47                                         lappend all $spec
  48                                 }
  49                         }
  50                 }
  51                 close $fd
  52         }
  53
  54         return [lsort -index 0 -unique $all]
  55 }
  56
  57 proc load_all_remotes {} {
  58         global repo_config
  59         global all_remotes tracking_branches some_heads_tracking
  60         global remote_url
  61
  62         set some_heads_tracking 0
  63         set all_remotes [list]
  64         set trck [list]
  65
  66         set rh_str refs/heads/
  67         set rh_len [string length $rh_str]
  68         set rm_dir [gitdir remotes]
  69         if {[file isdirectory $rm_dir]} {
  70                 set all_remotes [glob \
  71                         -types f \
  72                         -tails \
  73                         -nocomplain \
  74                         -directory $rm_dir *]
  75
  76                 foreach name $all_remotes {
  77                         catch {
  78                                 set fd [open [file join $rm_dir $name] r]
  79                                 while {[gets $fd line] >= 0} {
  80                                         if {[regexp {^URL:[     ]*(.+)$} $line line url]} {
  81                                                 set remote_url($name) $url
  82                                                 continue
  83                                         }
  84                                         if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
  85                                                 $line line src dst]} continue
  86                                         if {[string index $src 0] eq {+}} {
  87                                                 set src [string range $src 1 end]
  88                                         }
  89                                         if {![string equal -length 5 refs/ $src]} {
  90                                                 set src $rh_str$src
  91                                         }
  92                                         if {![string equal -length 5 refs/ $dst]} {
  93                                                 set dst $rh_str$dst
  94                                         }
  95                                         if {[string equal -length $rh_len $rh_str $dst]} {
  96                                                 set some_heads_tracking 1
  97                                         }
  98                                         lappend trck [list $dst $name $src]
  99                                 }
 100                                 close $fd
 101                         }
 102                 }
 103         }
 104
 105         foreach line [array names repo_config remote.*.url] {
 106                 if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
 107                 lappend all_remotes $name
 108                 set remote_url($name) $repo_config(remote.$name.url)
 109
 110                 if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
 111                         set fl {}
 112                 }
 113                 foreach line $fl {
 114                         if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
 115                         if {[string index $src 0] eq {+}} {
 116                                 set src [string range $src 1 end]
 117                         }
 118                         if {![string equal -length 5 refs/ $src]} {
 119                                 set src $rh_str$src
 120                         }
 121                         if {![string equal -length 5 refs/ $dst]} {
 122                                 set dst $rh_str$dst
 123                         }
 124                         if {[string equal -length $rh_len $rh_str $dst]} {
 125                                 set some_heads_tracking 1
 126                         }
 127                         lappend trck [list $dst $name $src]
 128                 }
 129         }
 130
 131         set tracking_branches [lsort -index 0 -unique $trck]
 132         set all_remotes [lsort -unique $all_remotes]
 133 }
 134
 135 proc populate_fetch_menu {} {
 136         global all_remotes repo_config
 137
 138         set m .mbar.fetch
 139         set prune_list [list]
 140         foreach r $all_remotes {
 141                 set enable 0
 142                 if {![catch {set a $repo_config(remote.$r.url)}]} {
 143                         if {![catch {set a $repo_config(remote.$r.fetch)}]} {
 144                                 set enable 1
 145                         }
 146                 } else {
 147                         catch {
 148                                 set fd [open [gitdir remotes $r] r]
 149                                 while {[gets $fd n] >= 0} {
 150                                         if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
 151                                                 set enable 1
 152                                                 break
 153                                         }
 154                                 }
 155                                 close $fd
 156                         }
 157                 }
 158
 159                 if {$enable} {
 160                         lappend prune_list $r
 161                         $m add command \
 162                                 -label "Fetch from $r..." \
 163                                 -command [list fetch_from $r]
 164                 }
 165         }
 166
 167         if {$prune_list ne {}} {
 168                 $m add separator
 169         }
 170         foreach r $prune_list {
 171                 $m add command \
 172                         -label "Prune from $r..." \
 173                         -command [list prune_from $r]
 174         }
 175 }
 176
 177 proc populate_push_menu {} {
 178         global all_remotes repo_config
 179
 180         set m .mbar.push
 181         set fast_count 0
 182         foreach r $all_remotes {
 183                 set enable 0
 184                 if {![catch {set a $repo_config(remote.$r.url)}]} {
 185                         if {![catch {set a $repo_config(remote.$r.push)}]} {
 186                                 set enable 1
 187                         }
 188                 } else {
 189                         catch {
 190                                 set fd [open [gitdir remotes $r] r]
 191                                 while {[gets $fd n] >= 0} {
 192                                         if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
 193                                                 set enable 1
 194                                                 break
 195                                         }
 196                                 }
 197                                 close $fd
 198                         }
 199                 }
 200
 201                 if {$enable} {
 202                         if {!$fast_count} {
 203                                 $m add separator
 204                         }
 205                         $m add command \
 206                                 -label "Push to $r..." \
 207                                 -command [list push_to $r]
 208                         incr fast_count
 209                 }
 210         }
 211 }