Index: lib/redmine/scm/adapters/git_adapter.rb
===================================================================
--- lib/redmine/scm/adapters/git_adapter.rb	(revision 1421)
+++ lib/redmine/scm/adapters/git_adapter.rb	(working copy)
@@ -27,8 +27,8 @@
 
         # Get the revision of a particuliar file
         def get_rev (rev,path)
-          cmd="git --git-dir #{target('')} show #{shell_quote rev} -- #{shell_quote path}" if rev!='latest' and (! rev.nil?)
-          cmd="git --git-dir #{target('')} log -1 master -- #{shell_quote path}" if 
+          cmd="#{GIT_BIN} --git-dir #{target('')} show #{shell_quote rev} -- #{shell_quote path}" if rev!='latest' and (! rev.nil?)
+          cmd="#{GIT_BIN} --git-dir #{target('')} log -1 master -- #{shell_quote path}" if 
             rev=='latest' or rev.nil?
           rev=[]
           i=0