+# Common variable settings for (correctness) tests and performance
+# tests.
+
+# Keep the original TERM for say_color and test_emacs
+ORIGINAL_TERM=$TERM
+
+# Set SMART_TERM to vt100 for known dumb/unknown terminal.
+# Otherwise use whatever TERM is currently used so that
+# users' actual TERM environments are being used in tests.
+case ${TERM-} in
+ '' | dumb | unknown )
+ SMART_TERM=vt100 ;;
+ *)
+ SMART_TERM=$TERM ;;
+esac
+
+# For repeatability, reset the environment to known value.
+LANG=C
+LC_ALL=C
+PAGER=cat
+TZ=UTC
+TERM=dumb
+export LANG LC_ALL PAGER TERM TZ
+GIT_TEST_CMP=${GIT_TEST_CMP:-diff -u}
+if [[ ( -n "$TEST_EMACS" && -z "$TEST_EMACSCLIENT" ) || \
+ ( -z "$TEST_EMACS" && -n "$TEST_EMACSCLIENT" ) ]]; then
+ echo "error: must specify both or neither of TEST_EMACS and TEST_EMACSCLIENT" >&2
+ exit 1
+fi
+TEST_EMACS=${TEST_EMACS:-${EMACS:-emacs}}
+TEST_EMACSCLIENT=${TEST_EMACSCLIENT:-emacsclient}
+TEST_GDB=${TEST_GDB:-gdb}
+TEST_CC=${TEST_CC:-cc}
+TEST_CFLAGS=${TEST_CFLAGS:-"-g -O0"}
+TEST_SHIM_CFLAGS=${TEST_SHIM_CFLAGS:-"-fpic -shared"}
+TEST_SHIM_LDFLAGS=${TEST_SHIM_LDFLAGS:-"-ldl"}
+
+# Protect ourselves from common misconfiguration to export
+# CDPATH into the environment
+unset CDPATH
+
+unset GREP_OPTIONS
+
+# For lib/open.cc:_load_key_file
+unset XDG_CONFIG_HOME
+
+# For emacsclient
+unset ALTERNATE_EDITOR
+
+# for reproducibility
+unset EMAIL
+unset NAME
+
+GIT_EXIT_OK=
+# Note: TEST_TMPDIR *NOT* exported!
+TEST_TMPDIR=$(mktemp -d "${TMPDIR:-/tmp}/notmuch-test-$$.XXXXXX")
+# Put GNUPGHOME in TMPDIR to avoid problems with long paths.
+export GNUPGHOME="${TEST_TMPDIR}/gnupg"