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git-gui: Allow creating a branch when none exists

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If the user has no branches at all (their refs/heads/ is empty)
and they are on a detached HEAD we have a valid repository but
there are no branches to populate into the branch pulldown in
the create branch dialog.  Instead of erroring out we can skip
that part of the dialog, much like we do with tracking branches
or tags when the user doesn't have any.

Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
This commit is contained in:
Shawn O. Pearce 2007-05-30 11:27:49 -04:00
parent ea75ee3598
commit 905d9c9653
1 changed files with 8 additions and 6 deletions
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14
lib/branch.tcl
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@ -201,12 +201,14 @@ proc do_create_branch {} {
pack $w.desc -anchor nw -fill x -pady 5 -padx 5
labelframe $w.from -text {Starting Revision}
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 $w.from.head_m -sticky w
if {$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]