git-gui: Automatically expand the line number column as needed

diff --git a/lib/blame.tcl b/lib/blame.tcl
index 55617026836171c2be557b430d5949ed7d0fbe89..0666dcadc19361bcc981f4385c9138a6f3525499 100644 (file)
--- a/lib/blame.tcl
+++ b/lib/blame.tcl
@@ -422,12 +422,19 @@ method _read_file {fd} {
                $w_line insert end "$total_lines" linenumber
                $w_file insert end "$line"
        }
+
+       set ln_wc [expr {[string length $total_lines] + 2}]
+       if {[$w_line cget -width] < $ln_wc} {
+               $w_line conf -width $ln_wc
+       }
+
        $w_cgrp conf -state disabled
        $w_line conf -state disabled
        $w_file conf -state disabled
 
        if {[eof $fd]} {
                close $fd
+
                _status $this
                set cmd {nice git blame -M -C --incremental}
                if {$commit eq {}} {