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
  61         set some_heads_tracking 0
  62         set all_remotes [list]
  63         set trck [list]
  64
  65         set rh_str refs/heads/
  66         set rh_len [string length $rh_str]
  67         set rm_dir [gitdir remotes]
  68         if {[file isdirectory $rm_dir]} {
  69                 set all_remotes [glob \
  70                         -types f \
  71                         -tails \
  72                         -nocomplain \
  73                         -directory $rm_dir *]
  74
  75                 foreach name $all_remotes {
  76                         catch {
  77                                 set fd [open [file join $rm_dir $name] r]
  78                                 while {[gets $fd line] >= 0} {
  79                                         if {![regexp {^Pull:[   ]*([^:]+):(.+)$} \
  80                                                 $line line src dst]} continue
  81                                         if {[string index $src 0] eq {+}} {
  82                                                 set src [string range $src 1 end]
  83                                         }
  84                                         if {![string equal -length 5 refs/ $src]} {
  85                                                 set src $rh_str$src
  86                                         }
  87                                         if {![string equal -length 5 refs/ $dst]} {
  88                                                 set dst $rh_str$dst
  89                                         }
  90                                         if {[string equal -length $rh_len $rh_str $dst]} {
  91                                                 set some_heads_tracking 1
  92                                         }
  93                                         lappend trck [list $dst $name $src]
  94                                 }
  95                                 close $fd
  96                         }
  97                 }
  98         }
  99
 100         foreach line [array names repo_config remote.*.url] {
 101                 if {![regexp ^remote\.(.*)\.url\$ $line line name]} continue
 102                 lappend all_remotes $name
 103
 104                 if {[catch {set fl $repo_config(remote.$name.fetch)}]} {
 105                         set fl {}
 106                 }
 107                 foreach line $fl {
 108                         if {![regexp {^([^:]+):(.+)$} $line line src dst]} continue
 109                         if {[string index $src 0] eq {+}} {
 110                                 set src [string range $src 1 end]
 111                         }
 112                         if {![string equal -length 5 refs/ $src]} {
 113                                 set src $rh_str$src
 114                         }
 115                         if {![string equal -length 5 refs/ $dst]} {
 116                                 set dst $rh_str$dst
 117                         }
 118                         if {[string equal -length $rh_len $rh_str $dst]} {
 119                                 set some_heads_tracking 1
 120                         }
 121                         lappend trck [list $dst $name $src]
 122                 }
 123         }
 124
 125         set tracking_branches [lsort -index 0 -unique $trck]
 126         set all_remotes [lsort -unique $all_remotes]
 127 }
 128
 129 proc populate_fetch_menu {} {
 130         global all_remotes repo_config
 131
 132         set m .mbar.fetch
 133         set prune_list [list]
 134         foreach r $all_remotes {
 135                 set enable 0
 136                 if {![catch {set a $repo_config(remote.$r.url)}]} {
 137                         if {![catch {set a $repo_config(remote.$r.fetch)}]} {
 138                                 set enable 1
 139                         }
 140                 } else {
 141                         catch {
 142                                 set fd [open [gitdir remotes $r] r]
 143                                 while {[gets $fd n] >= 0} {
 144                                         if {[regexp {^Pull:[ \t]*([^:]+):} $n]} {
 145                                                 set enable 1
 146                                                 break
 147                                         }
 148                                 }
 149                                 close $fd
 150                         }
 151                 }
 152
 153                 if {$enable} {
 154                         lappend prune_list $r
 155                         $m add command \
 156                                 -label "Fetch from $r..." \
 157                                 -command [list fetch_from $r]
 158                 }
 159         }
 160
 161         if {$prune_list ne {}} {
 162                 $m add separator
 163         }
 164         foreach r $prune_list {
 165                 $m add command \
 166                         -label "Prune from $r..." \
 167                         -command [list prune_from $r]
 168         }
 169 }
 170
 171 proc populate_push_menu {} {
 172         global all_remotes repo_config
 173
 174         set m .mbar.push
 175         set fast_count 0
 176         foreach r $all_remotes {
 177                 set enable 0
 178                 if {![catch {set a $repo_config(remote.$r.url)}]} {
 179                         if {![catch {set a $repo_config(remote.$r.push)}]} {
 180                                 set enable 1
 181                         }
 182                 } else {
 183                         catch {
 184                                 set fd [open [gitdir remotes $r] r]
 185                                 while {[gets $fd n] >= 0} {
 186                                         if {[regexp {^Push:[ \t]*([^:]+):} $n]} {
 187                                                 set enable 1
 188                                                 break
 189                                         }
 190                                 }
 191                                 close $fd
 192                         }
 193                 }
 194
 195                 if {$enable} {
 196                         if {!$fast_count} {
 197                                 $m add separator
 198                         }
 199                         $m add command \
 200                                 -label "Push to $r..." \
 201                                 -command [list push_to $r]
 202                         incr fast_count
 203                 }
 204         }
 205 }