Re: [PATCH] gitk: Take only numeric version components when computing $git_version

> This fixes errors running with release candidate versions of Git:
>   Error in startup script: expected version number but got "1.7.4-rc0"
> 
> Also, $git_version is no longer artificially limited to three
> components.  That limitation was added by commit
> 194bbf6cc8c2f3c14a920c841841d66b7667a848 to deal with msysGit version
> strings like “1.6.4.msysgit.0”, and we don’t need it now.  Hence as
> another side effect, this enables showing notes with git version
> 1.6.6.2 or 1.6.6.3, as originally intended by commit
> 7defefb134270b6e8ab3e422b343b41a4a383f5d.
> 
> Signed-off-by: Anders Kaseorg <andersk@mit.edu>
> ---
>  gitk-git/gitk |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/gitk-git/gitk b/gitk-git/gitk
> index e82c6bf..9cbc09d 100755
> --- a/gitk-git/gitk
> +++ b/gitk-git/gitk
> @@ -11581,7 +11581,7 @@ if {![info exists have_ttk]} {
>  set use_ttk [expr {$have_ttk && $want_ttk}]
>  set NS [expr {$use_ttk ? "ttk" : ""}]
>  
> -set git_version [join [lrange [split [lindex [exec git version] end] .] 0 2] .]
> +regexp {^git version ([\d.]*\d)} [exec git version] _ git_version
>  
>  set show_notes {}
>  if {[package vcompare $git_version "1.6.6.2"] >= 0} {