Make "git log" exit properly if not in a git archive

diff --git a/git-checkout-script b/git-checkout-script
index 4b3ae4adc262a7255882d4faff09c0e3a5f5afad..bf52e3bb24d3e679e396910c53924075e2f3a32b 100755 (executable)
--- a/git-checkout-script
+++ b/git-checkout-script
@@ -1,5 +1,6 @@
 #!/bin/sh
-: ${GIT_DIR=.git}
+. git-sh-setup-script || die "Not a git archive"
+
 old=$(git-rev-parse HEAD)
 new=
 force=
@@ -12,7 +13,7 @@ while [ "$#" != "0" ]; do
                force=1
                ;;
        *)
-               rev=$(git-rev-parse "$arg")
+               rev=$(git-rev-parse --verify --revs-only "$arg")
                if [ -z "$rev" ]; then
                        echo "unknown flag $arg"
                        exit 1