git-gui: Add support for removing remotes

We introduce new submenu Remote -> Remove Remote, allowing to remove
remotes. In the future, we might consider a confirmation popup to avoid
misclicks, but removing a remote is not very lossy operation.

Signed-off-by: Petr Baudis <petr.baudis@novartis.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

diff --git a/lib/remote.tcl b/lib/remote.tcl
index 643f0bc..1852247 100644 (file)
--- a/lib/remote.tcl
+++ b/lib/remote.tcl
@@ -137,6 +137,7 @@ proc add_fetch_entry {r} {
        set remote_m .mbar.remote
        set fetch_m $remote_m.fetch
        set prune_m $remote_m.prune
+       set remove_m $remote_m.remove
        set enable 0
        if {![catch {set a $repo_config(remote.$r.url)}]} {
                if {![catch {set a $repo_config(remote.$r.fetch)}]} {
@@ -157,6 +158,11 @@ proc add_fetch_entry {r} {
 
        if {$enable} {
                if {![winfo exists $fetch_m]} {
+                       menu $remove_m
+                       $remote_m insert 0 cascade \
+                               -label [mc "Remove Remote"] \
+                               -menu $remove_m
+
                        menu $prune_m
                        $remote_m insert 0 cascade \
                                -label [mc "Prune from"] \
@@ -174,6 +180,9 @@ proc add_fetch_entry {r} {
                $prune_m add command \
                        -label $r \
                        -command [list prune_from $r]
+               $remove_m add command \
+                       -label $r \
+                       -command [list remove_remote $r]
        }
 }
 
@@ -236,3 +245,31 @@ proc add_single_remote {name location} {
        add_fetch_entry $name
        add_push_entry $name
 }
+
+proc delete_from_menu {menu name} {
+       if {[winfo exists $menu]} {
+               $menu delete $name
+       }
+}
+
+proc remove_remote {name} {
+       global all_remotes repo_config
+
+       git remote rm $name
+
+       catch {
+               # Missing values are ok
+               unset repo_config(remote.$name.url)
+               unset repo_config(remote.$name.fetch)
+               unset repo_config(remote.$name.push)
+       }
+
+       set i [lsearch -exact all_remotes $name]
+       lreplace all_remotes $i $i
+
+       set remote_m .mbar.remote
+       delete_from_menu $remote_m.fetch $name
+       delete_from_menu $remote_m.prune $name
+       delete_from_menu $remote_m.remove $name
+       delete_from_menu $remote_m.push $name
+}