Merge pull request #228 from ttuegel/bugfix/shared

Do not use shared Git repositories

diff --combined vcsh
index ff0ec2bb4d59bc60c301429ebf38d24d4fc75e65,57a465cd1166e3e7afe89f7cddad38867baed61c..ce6705d979916ae84dcf759efc9881bc546231d9
--- 1/vcsh
--- 2/vcsh
+++ b/vcsh
@@@ -22,6 -22,9 +22,9 @@@
  VERSION='1.20141026'
  SELF=$(basename $0)
  
+ # Ensure all files created are accessible only to the current user.
+ umask 0077
+ 
  fatal() {
        echo "$SELF: fatal: $1" >&2
        [ -z $2 ] && exit 1
@@@ -106,7 -109,6 +109,7 @@@ help() 
     commit               Commit in all repositories
     delete <repo>        Delete an existing repository
     enter <repo>         Enter repository; spawn new instance of \$SHELL
 +                        with \$GIT_DIR set.
     foreach [<-g>]
       <git command>      Execute a command for every repository
     help                 Display this help text
@@@ -262,7 -264,7 +265,7 @@@ init() 
        [ ! -e "$GIT_DIR" ] || fatal "'$GIT_DIR' exists" 10
        mkdir -p "$VCSH_BASE" || fatal "could not create '$VCSH_BASE'" 50
        cd "$VCSH_BASE" || fatal "could not enter '$VCSH_BASE'" 11
-       git init --shared=0600
+       git init --shared=false
        upgrade
        hook post-init
  }