git-gui: Cache all repo-config data in an array.

We're likely going to need key/value pairs from the repo-config beyond
just remote.*.url, so cache them all up front into a Tcl array where we
have fast access to them without needing to refork a repo-config --list
process.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

diff --git a/git-gui b/git-gui
index adc8947..de67aa2 100755 (executable)
--- a/git-gui
+++ b/git-gui
@@ -791,8 +791,23 @@ proc toggle_mode {path} {
 ##
 ## config (fetch push pull)
 
+proc load_repo_config {} {
+       global repo_config
+
+       array unset repo_config
+       catch {
+               set fd_rc [open "| git repo-config --list" r]
+               while {[gets $fd_rc line] >= 0} {
+                       if {[regexp {^([^=]+)=(.*)$} $line line name value]} {
+                               lappend repo_config($name) $value
+                       }
+               }
+               close $fd_rc
+       }
+}
+
 proc load_all_remotes {} {
-       global gitdir all_remotes
+       global gitdir all_remotes repo_config
 
        set all_remotes [list]
        set rm_dir [file join $gitdir remotes]
@@ -804,13 +819,11 @@ proc load_all_remotes {} {
                        -directory $rm_dir *]]
        }
 
-       set fd_rc [open "| git repo-config --list" r]
-       while {[gets $fd_rc line] >= 0} {
-               if {[regexp ^remote\.(.*)\.url= $line line name]} {
+       foreach line [array names repo_config remote.*.url] {
+               if {[regexp ^remote\.(.*)\.url\$ $line line name]} {
                        lappend all_remotes $name
                }
        }
-       close $fd_rc
 
        set all_remotes [lsort -unique $all_remotes]
 }
@@ -1541,6 +1554,7 @@ if {$appname == {git-citool}} {
 
 wm title . "$appname ([file normalize [file dirname $gitdir]])"
 focus -force $ui_comm
+load_repo_config
 load_all_remotes
 populate_remote_menu .mbar.fetch From fetch_from
 populate_remote_menu .mbar.push To push_to