Fix random segfaults in pack-objects.

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index d15747f1ed8f875a3c1bb7129e50bfbc8d2b033f..87b939c0e4857ec9c9245c01f609a059788f656a 100755 (executable)
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -20,6 +20,14 @@ usage() {
        die "Usage: $0 $USAGE"
 }
 
+set_reflog_action() {
+       if [ -z "${GIT_REFLOG_ACTION:+set}" ]
+       then
+               GIT_REFLOG_ACTION="$*"
+               export GIT_REFLOG_ACTION
+       fi
+}
+
 if [ -z "$LONG_USAGE" ]
 then
        LONG_USAGE="Usage: $0 $USAGE"
@@ -35,17 +43,12 @@ case "$1" in
        exit
 esac
 
+# Make sure we are in a valid repository of a vintage we understand.
 if [ -z "$SUBDIRECTORY_OK" ]
 then
        : ${GIT_DIR=.git}
-       : ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}
-
-       # Make sure we are in a valid repository of a vintage we understand.
-       GIT_DIR="$GIT_DIR" git repo-config --get core.nosuch >/dev/null
-       if test $? = 128
-       then
-           exit
-       fi
+       GIT_DIR=$(GIT_DIR="$GIT_DIR" git-rev-parse --git-dir) || exit
 else
        GIT_DIR=$(git-rev-parse --git-dir) || exit
 fi
+: ${GIT_OBJECT_DIRECTORY="$GIT_DIR/objects"}