[PATCH] Show an error and exit if started in a directory where no .git could be found

From: Alex Riesen <raa.lkml@gmail.com>
Date: Jul 29, 2007, 20:29 UTC
Message-ID: <20070729202945.GB9362@steel.home>

This is to help people starting gitk from graphical file managers where the stderr output is hidden.

Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
---
 gitk |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/gitk b/gitk
index fc7cc8c..f5949a2 100755
--- a/gitk
+++ b/gitk
@@ -7575,7 +7575,10 @@ catch {source ~/.gitk}
 font create optionfont -family sans-serif -size -12
 
 # check that we can find a .git directory somewhere...
-set gitdir [gitdir]
+if {[ catch { set gitdir [gitdir] } ]} {
+    show_error {} . "Cannot find a git repository here."
+    exit 1
+}
 if {![file isdirectory $gitdir]} {
     show_error {} . "Cannot find the git directory \"$gitdir\"."
     exit 1

-- 
1.5.3.rc3.48.g5b618