-#!/usr/bin/env bash
#
# Copyright (c) 2005 Junio C Hamano
+# Copyright (c) 2010 Notmuch Developers
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
-# along with this program. If not, see http://www.gnu.org/licenses/ .
+# along with this program. If not, see https://www.gnu.org/licenses/ .
if [ ${BASH_VERSINFO[0]} -lt 4 ]; then
echo "Error: The notmuch test suite requires a bash version >= 4.0"
exit 1
fi
+# Make sure echo builtin does not expand backslash-escape sequences by default.
+shopt -u xpg_echo
+
+# Ensure NOTMUCH_SRCDIR and NOTMUCH_BUILDDIR are set.
+. $(dirname "$0")/export-dirs.sh || exit 1
+
+# It appears that people try to run tests without building...
+if [[ ! -x "$NOTMUCH_BUILDDIR/notmuch" ]]; then
+ echo >&2 'You do not seem to have built notmuch yet.'
+ exit 1
+fi
+
+this_test=${0##*/}
+this_test=${this_test%.sh}
+this_test_bare=${this_test#T[0-9][0-9][0-9]-}
+
# if --tee was passed, write the output not only to the terminal, but
# additionally to the file test-results/$BASENAME.out, too.
case "$GIT_TEST_TEE_STARTED, $* " in
;;
*' --tee '*|*' --va'*)
mkdir -p test-results
- BASE=test-results/$(basename "$0" .sh)
- (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
+ BASE=test-results/$this_test
+ (GIT_TEST_TEE_STARTED=done "$BASH" "$0" "$@" 2>&1;
echo $? > $BASE.exit) | tee $BASE.out
test "$(cat $BASE.exit)" = 0
exit
;;
esac
+# Save STDOUT to fd 6 and STDERR to fd 7.
+exec 6>&1 7>&2
+# Make xtrace debugging (when used) use redirected STDERR, with verbose lead:
+BASH_XTRACEFD=7
+export PS4='+(${BASH_SOURCE}:${LINENO}): ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
+
# 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
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=${TEST_CFLAGS:-"-g -O0"}
# Protect ourselves from common misconfiguration to export
# CDPATH into the environment
unset GREP_OPTIONS
-# Convenience
-#
-# A regexp to match 5 and 40 hexdigits
-_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
-_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
+# For emacsclient
+unset ALTERNATE_EDITOR
-_x04='[0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
-_x32="$_x04$_x04$_x04$_x04$_x04$_x04$_x04$_x04"
+add_gnupg_home ()
+{
+ local output
+ [ -d ${GNUPGHOME} ] && return
+ _gnupg_exit () { gpgconf --kill all 2>/dev/null || true; }
+ at_exit_function _gnupg_exit
+ mkdir -m 0700 "$GNUPGHOME"
+ gpg --no-tty --import <$NOTMUCH_SRCDIR/test/gnupg-secret-key.asc >"$GNUPGHOME"/import.log 2>&1
+ test_debug "cat $GNUPGHOME/import.log"
+ if (gpg --quick-random --version >/dev/null 2>&1) ; then
+ echo quick-random >> "$GNUPGHOME"/gpg.conf
+ elif (gpg --debug-quick-random --version >/dev/null 2>&1) ; then
+ echo debug-quick-random >> "$GNUPGHOME"/gpg.conf
+ fi
+ echo no-emit-version >> "$GNUPGHOME"/gpg.conf
+}
# Each test should start with something like this, after copyright notices:
#
# test_description='Description of this test...
# This test checks if command xyzzy does the right thing...
# '
-# . ./test-lib.sh
+# . ./test-lib.sh || exit 1
+
[ "x$ORIGINAL_TERM" != "xdumb" ] && (
TERM=$ORIGINAL_TERM &&
export TERM &&
while test "$#" -ne 0
do
case "$1" in
- -d|--d|--de|--deb|--debu|--debug)
+ -d|--debug)
debug=t; shift ;;
- -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
+ -i|--immediate)
immediate=t; shift ;;
- -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
- GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
- -h|--h|--he|--hel|--help)
+ -h|--help)
help=t; shift ;;
- -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
+ -v|--verbose)
verbose=t; shift ;;
- -q|--q|--qu|--qui|--quie|--quiet)
+ -q|--quiet)
quiet=t; shift ;;
--with-dashes)
with_dashes=t; shift ;;
--no-python)
# noop now...
shift ;;
- --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
+ --valgrind)
valgrind=t; verbose=t; shift ;;
--tee)
shift ;; # was handled already
- --root=*)
- root=$(expr "z$1" : 'z[^=]*=\(.*\)')
- shift ;;
*)
echo "error: unknown test option '$1'" >&2; exit 1 ;;
esac
done
+if test -n "$debug"; then
+ print_subtest () {
+ printf " %-4s" "[$((test_count - 1))]"
+ }
+else
+ print_subtest () {
+ true
+ }
+fi
+
if test -n "$color"; then
say_color () {
(
esac
shift
printf " "
- printf "$@"
+ printf "$@"
tput sgr0
+ print_subtest
)
}
else
test -z "$1" && test -n "$quiet" && return
shift
printf " "
- printf "$@"
+ printf "$@"
+ print_subtest
}
fi
exit 0
fi
-echo $(basename "$0"): "Testing ${test_description}"
-
-exec 5>&1
+test_description_printed=
+print_test_description ()
+{
+ test -z "$test_description_printed" || return 0
+ echo
+ echo $this_test: "Testing ${test_description}"
+ test_description_printed=1
+}
+if [ -z "$NOTMUCH_TEST_QUIET" ]
+then
+ print_test_description
+fi
test_failure=0
test_count=0
test_broken=0
test_success=0
-die () {
+declare -a _exit_functions=()
+
+at_exit_function () {
+ _exit_functions=($1 ${_exit_functions[@]/$1})
+}
+
+rm_exit_function () {
+ _exit_functions=(${_exit_functions[@]/$1})
+}
+
+_exit_common () {
code=$?
+ trap - EXIT
+ set +ex
+ for _fn in ${_exit_functions[@]}; do $_fn; done
rm -rf "$TEST_TMPDIR"
+}
+
+trap_exit () {
+ _exit_common
if test -n "$GIT_EXIT_OK"
then
exit $code
else
- echo >&5 "FATAL: Unexpected exit with code $code"
+ exec >&6
+ say_color error '%-6s' FATAL
+ echo " $test_subtest_name"
+ echo
+ echo "Unexpected exit while executing $0. Exit code $code."
exit 1
fi
}
-GIT_EXIT_OK=
-# Note: TEST_TMPDIR *NOT* exported!
-TEST_TMPDIR=$(mktemp -d "${TMPDIR:-/tmp}/notmuch-test-$$.XXXXXX")
-trap 'die' EXIT
-
-test_decode_color () {
- sed -e 's/.\[1m/<WHITE>/g' \
- -e 's/.\[31m/<RED>/g' \
- -e 's/.\[32m/<GREEN>/g' \
- -e 's/.\[33m/<YELLOW>/g' \
- -e 's/.\[34m/<BLUE>/g' \
- -e 's/.\[35m/<MAGENTA>/g' \
- -e 's/.\[36m/<CYAN>/g' \
- -e 's/.\[m/<RESET>/g'
-}
-
-q_to_nul () {
- perl -pe 'y/Q/\000/'
-}
-
-q_to_cr () {
- tr Q '\015'
-}
-
-append_cr () {
- sed -e 's/$/Q/' | tr Q '\015'
-}
-
-remove_cr () {
- tr '\015' Q | sed -e 's/Q$//'
+trap_signal () {
+ _exit_common
+ echo >&6 "FATAL: $0: interrupted by signal" $((code - 128))
+ exit $code
}
-# Generate a new message in the mail directory, with a unique message
-# ID and subject. The message is not added to the index.
-#
-# After this function returns, the filename of the generated message
-# is available as $gen_msg_filename and the message ID is available as
-# $gen_msg_id .
-#
-# This function supports named parameters with the bash syntax for
-# assigning a value to an associative array ([name]=value). The
-# supported parameters are:
-#
-# [dir]=directory/of/choice
-#
-# Generate the message in directory 'directory/of/choice' within
-# the mail store. The directory will be created if necessary.
-#
-# [filename]=name
-#
-# Store the message in file 'name'. The default is to store it
-# in 'msg-<count>', where <count> is three-digit number of the
-# message.
-#
-# [body]=text
-#
-# Text to use as the body of the email message
-#
-# '[from]="Some User <user@example.com>"'
-# '[to]="Some User <user@example.com>"'
-# '[subject]="Subject of email message"'
-# '[date]="RFC 822 Date"'
-#
-# Values for email headers. If not provided, default values will
-# be generated instead.
-#
-# '[cc]="Some User <user@example.com>"'
-# [reply-to]=some-address
-# [in-reply-to]=<message-id>
-# [references]=<message-id>
-# [content-type]=content-type-specification
-# '[header]=full header line, including keyword'
-#
-# Additional values for email headers. If these are not provided
-# then the relevant headers will simply not appear in the
-# message.
-#
-# '[id]=message-id'
-#
-# Controls the message-id of the created message.
-gen_msg_cnt=0
-gen_msg_filename=""
-gen_msg_id=""
-generate_message ()
-{
- # This is our (bash-specific) magic for doing named parameters
- local -A template="($@)"
- local additional_headers
-
- gen_msg_cnt=$((gen_msg_cnt + 1))
- if [ -z "${template[filename]}" ]; then
- gen_msg_name="msg-$(printf "%03d" $gen_msg_cnt)"
- else
- gen_msg_name=${template[filename]}
- fi
-
- if [ -z "${template[id]}" ]; then
- gen_msg_id="${gen_msg_name%:2,*}@notmuch-test-suite"
- else
- gen_msg_id="${template[id]}"
- fi
-
- if [ -z "${template[dir]}" ]; then
- gen_msg_filename="${MAIL_DIR}/$gen_msg_name"
- else
- gen_msg_filename="${MAIL_DIR}/${template[dir]}/$gen_msg_name"
- mkdir -p "$(dirname "$gen_msg_filename")"
- fi
-
- if [ -z "${template[body]}" ]; then
- template[body]="This is just a test message (#${gen_msg_cnt})"
- fi
-
- if [ -z "${template[from]}" ]; then
- template[from]="Notmuch Test Suite <test_suite@notmuchmail.org>"
- fi
-
- if [ -z "${template[to]}" ]; then
- template[to]="Notmuch Test Suite <test_suite@notmuchmail.org>"
- fi
-
- if [ -z "${template[subject]}" ]; then
- template[subject]="Test message #${gen_msg_cnt}"
- fi
-
- if [ -z "${template[date]}" ]; then
- template[date]="Tue, 05 Jan 2001 15:43:57 -0000"
- fi
-
- additional_headers=""
- if [ ! -z "${template[header]}" ]; then
- additional_headers="${template[header]}
-${additional_headers}"
- fi
-
- if [ ! -z "${template[reply-to]}" ]; then
- additional_headers="Reply-To: ${template[reply-to]}
-${additional_headers}"
- fi
-
- if [ ! -z "${template[in-reply-to]}" ]; then
- additional_headers="In-Reply-To: ${template[in-reply-to]}
-${additional_headers}"
- fi
-
- if [ ! -z "${template[cc]}" ]; then
- additional_headers="Cc: ${template[cc]}
-${additional_headers}"
- fi
-
- if [ ! -z "${template[references]}" ]; then
- additional_headers="References: ${template[references]}
-${additional_headers}"
- fi
-
- if [ ! -z "${template[content-type]}" ]; then
- additional_headers="Content-Type: ${template[content-type]}
-${additional_headers}"
- fi
-
- # Note that in the way we're setting it above and using it below,
- # `additional_headers' will also serve as the header / body separator
- # (empty line in between).
-
- cat <<EOF >"$gen_msg_filename"
-From: ${template[from]}
-To: ${template[to]}
-Message-Id: <${gen_msg_id}>
-Subject: ${template[subject]}
-Date: ${template[date]}
-${additional_headers}
-${template[body]}
-EOF
+die () {
+ _exit_common
+ exec >&6
+ say_color error '%-6s' FATAL
+ echo " $*"
+ echo
+ echo "Unexpected exit while executing $0."
+ exit 1
}
-# Generate a new message and add it to the database.
-#
-# All of the arguments and return values supported by generate_message
-# are also supported here, so see that function for details.
-add_message ()
-{
- generate_message "$@" &&
- notmuch new > /dev/null
-}
+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="${TEST_TMPDIR}/gnupg"
+trap 'trap_exit' EXIT
+trap 'trap_signal' HUP INT TERM
# Deliver a message with emacs and add it to the database
#
shift 2
# before we can send a message, we have to prepare the FCC maildir
mkdir -p "$MAIL_DIR"/sent/{cur,new,tmp}
- $TEST_DIRECTORY/smtp-dummy sent_message &
- smtp_dummy_pid=$!
+ # eval'ing smtp-dummy --background will set smtp_dummy_pid
+ smtp_dummy_pid=
+ eval `$TEST_DIRECTORY/smtp-dummy --background sent_message`
+ test -n "$smtp_dummy_pid" || return 1
+
test_emacs \
"(let ((message-send-mail-function 'message-smtpmail-send-it)
+ (mail-host-address \"example.com\")
(smtpmail-smtp-server \"localhost\")
(smtpmail-smtp-service \"25025\"))
- (notmuch-hello)
(notmuch-mua-mail)
(message-goto-to)
(insert \"test_suite@notmuchmail.org\nDate: 01 Jan 2000 12:00:00 -0000\")
(message-goto-body)
(insert \"${body}\")
$@
- (message-send-and-exit))"
- # opportunistically quit smtp-dummy in case above fails.
- { echo QUIT > /dev/tcp/localhost/25025; } 2>/dev/null
- wait ${smtp_dummy_pid}
+ (notmuch-mua-send-and-exit))"
+
+ # In case message was sent properly, client waits for confirmation
+ # before exiting and resuming control here; therefore making sure
+ # that server exits by sending (KILL) signal to it is safe.
+ kill -9 $smtp_dummy_pid
notmuch new >/dev/null
}
-# Generate a corpus of email and add it to the database.
+# Pretend to deliver a message with emacs. Really save it to a file
+# and add it to the database
#
-# This corpus is fixed, (it happens to be 50 messages from early in
-# the history of the notmuch mailing list), which allows for reliably
+# Uses emacs to generate and deliver a message to the mail store.
+# Accepts arbitrary extra emacs/elisp functions to modify the message
+# before sending, which is useful to doing things like attaching files
+# to the message and encrypting/signing.
+#
+# If any GNU-style long-arguments (like --quiet or --decrypt=true) are
+# at the head of the argument list, they are sent directly to "notmuch
+# new" after message delivery
+emacs_fcc_message ()
+{
+ local nmn_args=''
+ while [[ "$1" =~ ^-- ]]; do
+ nmn_args="$nmn_args $1"
+ shift
+ done
+ local subject="$1"
+ local body="$2"
+ shift 2
+ # before we can send a message, we have to prepare the FCC maildir
+ mkdir -p "$MAIL_DIR"/sent/{cur,new,tmp}
+
+ test_emacs \
+ "(let ((message-send-mail-function (lambda () t))
+ (mail-host-address \"example.com\"))
+ (notmuch-mua-mail)
+ (message-goto-to)
+ (insert \"test_suite@notmuchmail.org\nDate: 01 Jan 2000 12:00:00 -0000\")
+ (message-goto-subject)
+ (insert \"${subject}\")
+ (message-goto-body)
+ (insert \"${body}\")
+ $@
+ (notmuch-mua-send-and-exit))" || return 1
+ notmuch new $nmn_args >/dev/null
+}
+
+# Add an existing, fixed corpus of email to the database.
+#
+# $1 is the corpus dir under corpora to add, using "default" if unset.
+#
+# The default corpus is based on about 50 messages from early in the
+# history of the notmuch mailing list, which allows for reliably
# testing commands that need to operate on a not-totally-trivial
# number of messages.
add_email_corpus ()
{
+ corpus=${1:-default}
+
rm -rf ${MAIL_DIR}
- if [ -d $TEST_DIRECTORY/corpus.mail ]; then
- cp -a $TEST_DIRECTORY/corpus.mail ${MAIL_DIR}
+ if [ -d $TEST_DIRECTORY/corpora.mail/$corpus ]; then
+ cp -a $TEST_DIRECTORY/corpora.mail/$corpus ${MAIL_DIR}
else
- cp -a $TEST_DIRECTORY/corpus ${MAIL_DIR}
- notmuch new >/dev/null
- cp -a ${MAIL_DIR} $TEST_DIRECTORY/corpus.mail
+ cp -a $NOTMUCH_SRCDIR/test/corpora/$corpus ${MAIL_DIR}
+ notmuch new >/dev/null || die "'notmuch new' failed while adding email corpus"
+ mkdir -p $TEST_DIRECTORY/corpora.mail
+ cp -a ${MAIL_DIR} $TEST_DIRECTORY/corpora.mail/$corpus
fi
}
fi
test_subtest_name="$1"
test_reset_state_
- # Remember stdout and stderr file descriptors and redirect test
- # output to the previously prepared file descriptors 3 and 4 (see
- # below)
+ # Redirect test output to the previously prepared file descriptors
+ # 3 and 4 (see below)
if test "$verbose" != "t"; then exec 4>test.output 3>&4; fi
- exec 6>&1 7>&2 >&3 2>&4
+ exec >&3 2>&4
inside_subtest=t
}
test_expect_equal ()
{
exec 1>&6 2>&7 # Restore stdout and stderr
+ if [ -z "$inside_subtest" ]; then
+ error "bug in the test script: test_expect_equal without test_begin_subtest"
+ fi
inside_subtest=
- test "$#" = 3 && { prereq=$1; shift; } || prereq=
test "$#" = 2 ||
- error "bug in the test script: not 2 or 3 parameters to test_expect_equal"
+ error "bug in the test script: not 2 parameters to test_expect_equal"
output="$1"
expected="$2"
if ! test_skip "$test_subtest_name"
then
if [ "$output" = "$expected" ]; then
- test_ok_ "$test_subtest_name"
+ test_ok_
else
testname=$this_test.$test_count
echo "$expected" > $testname.expected
echo "$output" > $testname.output
- test_failure_ "$test_subtest_name" "$(diff -u $testname.expected $testname.output)"
+ test_failure_ "$(diff -u $testname.expected $testname.output)"
fi
fi
}
test_expect_equal_file ()
{
exec 1>&6 2>&7 # Restore stdout and stderr
+ if [ -z "$inside_subtest" ]; then
+ error "bug in the test script: test_expect_equal_file without test_begin_subtest"
+ fi
inside_subtest=
- test "$#" = 3 && { prereq=$1; shift; } || prereq=
test "$#" = 2 ||
- error "bug in the test script: not 2 or 3 parameters to test_expect_equal"
+ error "bug in the test script: not 2 parameters to test_expect_equal_file"
- output="$1"
- expected="$2"
+ file1="$1"
+ file2="$2"
if ! test_skip "$test_subtest_name"
then
- if diff -q "$expected" "$output" >/dev/null ; then
- test_ok_ "$test_subtest_name"
+ if diff -q "$file1" "$file2" >/dev/null ; then
+ test_ok_
else
testname=$this_test.$test_count
- cp "$output" $testname.output
- cp "$expected" $testname.expected
- test_failure_ "$test_subtest_name" "$(diff -u $testname.expected $testname.output)"
+ basename1=`basename "$file1"`
+ basename2=`basename "$file2"`
+ cp "$file1" "$testname.$basename1"
+ cp "$file2" "$testname.$basename2"
+ test_failure_ "$(diff -u "$testname.$basename1" "$testname.$basename2")"
fi
fi
}
+# Like test_expect_equal, but arguments are JSON expressions to be
+# canonicalized before diff'ing. If an argument cannot be parsed, it
+# is used unchanged so that there's something to diff against.
+test_expect_equal_json () {
+ # The test suite forces LC_ALL=C, but this causes Python 3 to
+ # decode stdin as ASCII. We need to read JSON in UTF-8, so
+ # override Python's stdio encoding defaults.
+ local script='import json, sys; json.dump(json.load(sys.stdin), sys.stdout, sort_keys=True, indent=4)'
+ output=$(echo "$1" | PYTHONIOENCODING=utf-8 $NOTMUCH_PYTHON -c "$script" \
+ || echo "$1")
+ expected=$(echo "$2" | PYTHONIOENCODING=utf-8 $NOTMUCH_PYTHON -c "$script" \
+ || echo "$2")
+ shift 2
+ test_expect_equal "$output" "$expected" "$@"
+}
+
+# Sort the top-level list of JSON data from stdin.
+test_sort_json () {
+ PYTHONIOENCODING=utf-8 $NOTMUCH_PYTHON -c \
+ "import sys, json; json.dump(sorted(json.load(sys.stdin)),sys.stdout)"
+}
+
+test_emacs_expect_t () {
+ test "$#" = 1 ||
+ error "bug in the test script: not 1 parameter to test_emacs_expect_t"
+ if [ -z "$inside_subtest" ]; then
+ error "bug in the test script: test_emacs_expect_t without test_begin_subtest"
+ fi
+
+ # Run the test.
+ if ! test_skip "$test_subtest_name"
+ then
+ test_emacs "(notmuch-test-run $1)" >/dev/null
+
+ # Restore state after the test.
+ exec 1>&6 2>&7 # Restore stdout and stderr
+ inside_subtest=
+
+ # Report success/failure.
+ result=$(cat OUTPUT)
+ if [ "$result" = t ]
+ then
+ test_ok_
+ else
+ test_failure_ "${result}"
+ fi
+ else
+ # Restore state after the (non) test.
+ exec 1>&6 2>&7 # Restore stdout and stderr
+ inside_subtest=
+ fi
+}
+
NOTMUCH_NEW ()
{
- notmuch new | grep -v -E -e '^Processed [0-9]*( total)? file|Found [0-9]* total file'
+ notmuch new "${@}" | grep -v -E -e '^Processed [0-9]*( total)? file|Found [0-9]* total file'
+}
+
+NOTMUCH_DUMP_TAGS ()
+{
+ # this relies on the default format being batch-tag, otherwise some tests will break
+ notmuch dump --include=tags "${@}" | sed '/^#/d' | sort
+}
+
+notmuch_drop_mail_headers ()
+{
+ $NOTMUCH_PYTHON -c '
+import email, sys
+msg = email.message_from_file(sys.stdin)
+for hdr in sys.argv[1:]: del msg[hdr]
+print(msg.as_string(False))
+' "$@"
}
notmuch_search_sanitize ()
{
- sed -r -e 's/("?thread"?: ?)("?)................("?)/\1\2XXX\3/'
+ perl -pe 's/("?thread"?: ?)("?)................("?)/\1\2XXX\3/'
+}
+
+notmuch_search_files_sanitize ()
+{
+ notmuch_dir_sanitize
+}
+
+notmuch_dir_sanitize ()
+{
+ sed -e "s,$MAIL_DIR,MAIL_DIR," -e "s,${PWD},CWD,g" "$@"
}
NOTMUCH_SHOW_FILENAME_SQUELCH='s,filename:.*/mail,filename:/XXX/mail,'
{
sed \
-e 's| filename:.*| filename:XXXXX|' \
- -e 's| id:[^ ]* | id:XXXXX |'
+ -e 's| id:[^ ]* | id:XXXXX |' | \
+ notmuch_date_sanitize
}
notmuch_json_show_sanitize ()
{
- sed -e 's|, |,\n |g' | \
- sed \
- -e 's|"id": "[^"]*",|"id": "XXXXX",|' \
- -e 's|"filename": "[^"]*",|"filename": "YYYYY",|'
+ sed \
+ -e 's|"id": "[^"]*",|"id": "XXXXX",|g' \
+ -e 's|"Date": "Fri, 05 Jan 2001 [^"]*0000"|"Date": "GENERATED_DATE"|g' \
+ -e 's|"filename": "signature.asc",||g' \
+ -e 's|"filename": \["/[^"]*"\],|"filename": \["YYYYY"\],|g' \
+ -e 's|"timestamp": 97.......|"timestamp": 42|g' \
+ -e 's|"content-length": [1-9][0-9]*|"content-length": "NONZERO"|g'
+}
+
+notmuch_emacs_error_sanitize ()
+{
+ local command=$1
+ shift
+ for file in "$@"; do
+ echo "=== $file ==="
+ cat "$file"
+ done | sed \
+ -e 's/^\[.*\]$/[XXX]/' \
+ -e "s|^\(command: \)\{0,1\}/.*/$command|\1YYY/$command|"
+}
+
+notmuch_date_sanitize ()
+{
+ sed \
+ -e 's/^Date: Fri, 05 Jan 2001 .*0000/Date: GENERATED_DATE/'
+}
+
+notmuch_uuid_sanitize ()
+{
+ sed 's/[0-9a-f]\{8\}-[0-9a-f]\{4\}-[0-9a-f]\{4\}-[0-9a-f]\{4\}-[0-9a-f]\{12\}/UUID/g'
+}
+
+notmuch_built_with_sanitize ()
+{
+ sed 's/^built_with[.]\(.*\)=.*$/built_with.\1=something/'
+}
+
+notmuch_config_sanitize ()
+{
+ notmuch_dir_sanitize | notmuch_built_with_sanitize
+}
+
+notmuch_show_part ()
+{
+ awk '/^\014part}/{ f=0 }; { if (f) { print $0 } } /^\014part{ ID: '"$1"'/{ f=1 }'
}
# End of notmuch helper functions
# Use test_set_prereq to tell that a particular prerequisite is available.
-# The prerequisite can later be checked for in two ways:
-#
-# - Explicitly using test_have_prereq.
#
-# - Implicitly by specifying the prerequisite tag in the calls to
-# test_expect_{success,failure,code}.
+# The prerequisite can later be checked for by using test_have_prereq.
#
# The single parameter is the prerequisite tag (a simple word, in all
# capital letters by convention).
esac
}
+declare -A test_missing_external_prereq_
+declare -A test_subtest_missing_external_prereq_
+
# declare prerequisite for the given external binary
test_declare_external_prereq () {
binary="$1"
test "$#" = 2 && name=$2 || name="$binary(1)"
- hash $binary 2>/dev/null || eval "
+ if ! hash $binary 2>/dev/null; then
+ test_missing_external_prereq_["${binary}"]=t
+ eval "
$binary () {
- test_missing_external_prereq_${binary}_=t
- echo -n \"\$test_subtest_missing_external_prereqs_\" | grep -e \" $name \" ||
- test_subtest_missing_external_prereqs_=\"$test_subtest_missing_external_prereqs_ $name\"
+ test_subtest_missing_external_prereq_[\"${name}\"]=t
false
}"
+ fi
}
# Explicitly require external prerequisite. Useful when binary is
# Returns success if dependency is available, failure otherwise.
test_require_external_prereq () {
binary="$1"
- if [ "$(eval echo -n \$test_missing_external_prereq_${binary}_)" = t ]; then
+ if [[ ${test_missing_external_prereq_["${binary}"]} == t ]]; then
# dependency is missing, call the replacement function to note it
eval "$binary"
else
test_ok_ () {
if test "$test_subtest_known_broken_" = "t"; then
- test_known_broken_ok_ "$@"
+ test_known_broken_ok_
return
fi
test_success=$(($test_success + 1))
+ if test -n "$NOTMUCH_TEST_QUIET"; then
+ return 0
+ fi
say_color pass "%-6s" "PASS"
- echo " $@"
+ echo " $test_subtest_name"
}
test_failure_ () {
+ print_test_description
if test "$test_subtest_known_broken_" = "t"; then
test_known_broken_failure_ "$@"
return
fi
test_failure=$(($test_failure + 1))
- test_failure_message_ "FAIL" "$@"
+ test_failure_message_ "FAIL" "$test_subtest_name" "$@"
test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
return 1
}
say_color error "%-6s" "$1"
echo " $2"
shift 2
- echo "$@" | sed -e 's/^/ /'
+ if [ "$#" != "0" ]; then
+ echo "$@" | sed -e 's/^/ /'
+ fi
if test "$verbose" != "t"; then cat test.output; fi
}
test_reset_state_
test_fixed=$(($test_fixed+1))
say_color pass "%-6s" "FIXED"
- echo " $@"
+ echo " $test_subtest_name"
}
test_known_broken_failure_ () {
test_reset_state_
test_broken=$(($test_broken+1))
- test_failure_message_ "BROKEN" "$@"
+ if [ -z "$NOTMUCH_TEST_QUIET" ]; then
+ test_failure_message_ "BROKEN" "$test_subtest_name" "$@"
+ else
+ test_failure_message_ "BROKEN" "$test_subtest_name"
+ fi
return 1
}
case $this_test.$test_count in
$skp)
to_skip=t
+ break
+ esac
+ case $this_test_bare.$test_count in
+ $skp)
+ to_skip=t
+ break
esac
done
- if test -z "$to_skip" && test -n "$prereq" &&
- ! test_have_prereq "$prereq"
- then
- to_skip=t
- fi
case "$to_skip" in
t)
test_report_skip_ "$@"
}
test_check_missing_external_prereqs_ () {
- if test -n "$test_subtest_missing_external_prereqs_"; then
- say_color skip >&3 "missing prerequisites:"
- echo "$test_subtest_missing_external_prereqs_" >&3
+ if [[ ${#test_subtest_missing_external_prereq_[@]} != 0 ]]; then
+ say_color skip >&1 "missing prerequisites: "
+ echo ${!test_subtest_missing_external_prereq_[@]} >&1
test_report_skip_ "$@"
else
false
}
test_expect_success () {
- test "$#" = 3 && { prereq=$1; shift; } || prereq=
- test "$#" = 2 ||
- error "bug in the test script: not 2 or 3 parameters to test-expect-success"
- test_reset_state_
- if ! test_skip "$@"
+ exec 1>&6 2>&7 # Restore stdout and stderr
+ if [ -z "$inside_subtest" ]; then
+ error "bug in the test script: test_expect_success without test_begin_subtest"
+ fi
+ inside_subtest=
+ test "$#" = 1 ||
+ error "bug in the test script: not 1 parameters to test_expect_success"
+
+ if ! test_skip "$test_subtest_name"
then
- test_run_ "$2"
+ test_run_ "$1"
run_ret="$?"
# test_run_ may update missing external prerequisites
test_check_missing_external_prereqs_ "$@" ||
if [ "$run_ret" = 0 -a "$eval_ret" = 0 ]
then
- test_ok_ "$1"
+ test_ok_
else
- test_failure_ "$@"
+ test_failure_ "$1"
fi
fi
}
test_expect_code () {
- test "$#" = 4 && { prereq=$1; shift; } || prereq=
- test "$#" = 3 ||
- error "bug in the test script: not 3 or 4 parameters to test-expect-code"
- test_reset_state_
- if ! test_skip "$@"
+ exec 1>&6 2>&7 # Restore stdout and stderr
+ if [ -z "$inside_subtest" ]; then
+ error "bug in the test script: test_expect_code without test_begin_subtest"
+ fi
+ inside_subtest=
+ test "$#" = 2 ||
+ error "bug in the test script: not 2 parameters to test_expect_code"
+
+ if ! test_skip "$test_subtest_name"
then
- test_run_ "$3"
+ test_run_ "$2"
run_ret="$?"
# test_run_ may update missing external prerequisites,
test_check_missing_external_prereqs_ "$@" ||
if [ "$run_ret" = 0 -a "$eval_ret" = "$1" ]
then
- test_ok_ "$2"
- else
- test_failure_ "$@"
- fi
- fi
-}
-
-# test_external runs external test scripts that provide continuous
-# test output about their progress, and succeeds/fails on
-# zero/non-zero exit code. It outputs the test output on stdout even
-# in non-verbose mode, and announces the external script with "* run
-# <n>: ..." before running it. When providing relative paths, keep in
-# mind that all scripts run in "trash directory".
-# Usage: test_external description command arguments...
-# Example: test_external 'Perl API' perl ../path/to/test.pl
-test_external () {
- test "$#" = 4 && { prereq=$1; shift; } || prereq=
- test "$#" = 3 ||
- error >&5 "bug in the test script: not 3 or 4 parameters to test_external"
- descr="$1"
- shift
- test_reset_state_
- if ! test_skip "$descr" "$@"
- then
- # Announce the script to reduce confusion about the
- # test output that follows.
- say_color "" " run $test_count: $descr ($*)"
- # Run command; redirect its stderr to &4 as in
- # test_run_, but keep its stdout on our stdout even in
- # non-verbose mode.
- "$@" 2>&4
- if [ "$?" = 0 ]
- then
- test_ok_ "$descr"
+ test_ok_
else
- test_failure_ "$descr" "$@"
+ test_failure_ "exit code $eval_ret, expected $1" "$2"
fi
fi
}
-# Like test_external, but in addition tests that the command generated
-# no output on stderr.
-test_external_without_stderr () {
- # The temporary file has no (and must have no) security
- # implications.
- tmp="$TMPDIR"; if [ -z "$tmp" ]; then tmp=/tmp; fi
- stderr="$tmp/git-external-stderr.$$.tmp"
- test_external "$@" 4> "$stderr"
- [ -f "$stderr" ] || error "Internal error: $stderr disappeared."
- descr="no stderr: $1"
- shift
- if [ ! -s "$stderr" ]; then
- rm "$stderr"
- test_ok_ "$descr"
- else
- if [ "$verbose" = t ]; then
- output=`echo; echo Stderr is:; cat "$stderr"`
- else
- output=
- fi
- # rm first in case test_failure exits.
- rm "$stderr"
- test_failure_ "$descr" "$@" "$output"
- fi
-}
-
# This is not among top-level (test_expect_success)
# but is a prefix that can be used in the test script, like:
#
GIT_EXIT_OK=t
test_results_dir="$TEST_DIRECTORY/test-results"
mkdir -p "$test_results_dir"
- test_results_path="$test_results_dir/${0%.sh}-$$"
+ test_results_path="$test_results_dir/$this_test"
echo "total $test_count" >> $test_results_path
echo "success $test_success" >> $test_results_path
echo "failed $test_failure" >> $test_results_path
echo "" >> $test_results_path
- echo
-
[ -n "$EMACS_SERVER" ] && test_emacs '(kill-emacs)'
if [ "$test_failure" = "0" ]; then
- if [ "$test_broken" = "0" ]; then
+ if [ "$test_broken" = "0" ]; then
rm -rf "$remove_tmp"
fi
exit 0
emacs_generate_script () {
# Construct a little test script here for the benefit of the user,
# (who can easily run "run_emacs" to get the same emacs environment
- # for investigating any failures).
+ # for investigating any failures).
cat <<EOF >"$TMP_DIRECTORY/run_emacs"
#!/bin/sh
export PATH=$PATH
# Here's what we are using here:
#
-# --no-init-file Don't load users ~/.emacs
-#
-# --no-site-file Don't load the site-wide startup stuff
+# --quick Use minimal customization. This implies --no-init-file,
+# --no-site-file and (emacs 24) --no-site-lisp
#
# --directory Ensure that the local elisp sources are found
#
# --load Force loading of notmuch.el and test-lib.el
-exec emacs --no-init-file --no-site-file \
- --directory "$TEST_DIRECTORY/../emacs" --load notmuch.el \
- --directory "$TEST_DIRECTORY" --load test-lib.el \
+exec ${TEST_EMACS} --quick \
+ --directory "$NOTMUCH_SRCDIR/emacs" --load notmuch.el \
+ --directory "$NOTMUCH_SRCDIR/test" --load test-lib.el \
"\$@"
EOF
chmod a+x "$TMP_DIRECTORY/run_emacs"
test_emacs () {
# test dependencies beforehand to avoid the waiting loop below
- test_require_external_prereq emacs || return
- test_require_external_prereq emacsclient || return
+ missing_dependencies=
+ test_require_external_prereq dtach || missing_dependencies=1
+ test_require_external_prereq emacs || missing_dependencies=1
+ test_require_external_prereq ${TEST_EMACSCLIENT} || missing_dependencies=1
+ test -z "$missing_dependencies" || return
if [ -z "$EMACS_SERVER" ]; then
+ emacs_tests="$NOTMUCH_SRCDIR/test/${this_test_bare}.el"
+ if [ -f "$emacs_tests" ]; then
+ load_emacs_tests="--eval '(load \"$emacs_tests\")'"
+ else
+ load_emacs_tests=
+ fi
server_name="notmuch-test-suite-$$"
# start a detached session with an emacs server
- # user's TERM is given to dtach which assumes a minimally
+ # user's TERM (or 'vt100' in case user's TERM is known dumb
+ # or unknown) is given to dtach which assumes a minimally
# VT100-compatible terminal -- and emacs inherits that
- TERM=$ORIGINAL_TERM dtach -n "$TEST_TMPDIR/emacs-dtach-socket.$$" \
+ TERM=$SMART_TERM dtach -n "$TEST_TMPDIR/emacs-dtach-socket.$$" \
sh -c "stty rows 24 cols 80; exec '$TMP_DIRECTORY/run_emacs' \
--no-window-system \
+ $load_emacs_tests \
--eval '(setq server-name \"$server_name\")' \
--eval '(server-start)' \
--eval '(orphan-watchdog $$)'" || return
EMACS_SERVER="$server_name"
# wait until the emacs server is up
- until test_emacs '()' 2>/dev/null; do
+ until test_emacs '()' >/dev/null 2>/dev/null; do
sleep 1
done
fi
- emacsclient --socket-name="$EMACS_SERVER" --eval "(progn $@)"
-}
+ # Clear test-output output file. Most Emacs tests end with a
+ # call to (test-output). If the test code fails with an
+ # exception before this call, the output file won't get
+ # updated. Since we don't want to compare against an output
+ # file from another test, so start out with an empty file.
+ rm -f OUTPUT
+ touch OUTPUT
-test_reset_state_ () {
- test -z "$test_init_done_" && test_init_
+ ${TEST_EMACSCLIENT} --socket-name="$EMACS_SERVER" --eval "(notmuch-test-progn $@)"
+}
- test_subtest_known_broken_=
- test_subtest_missing_external_prereqs_=
+test_python() {
+ # Note: if there is need to print debug information from python program,
+ # use stdout = os.fdopen(6, 'w') or stderr = os.fdopen(7, 'w')
+ PYTHONPATH="$NOTMUCH_SRCDIR/bindings/python${PYTHONPATH:+:$PYTHONPATH}" \
+ $NOTMUCH_PYTHON -B - > OUTPUT
}
-# called once before the first subtest
-test_init_ () {
- test_init_done_=t
+test_ruby() {
+ MAIL_DIR=$MAIL_DIR $NOTMUCH_RUBY -I $NOTMUCH_SRCDIR/bindings/ruby> OUTPUT
+}
- # skip all tests if there were external prerequisites missing during init
- test_check_missing_external_prereqs_ "all tests in $this_test" && test_done
+test_C () {
+ exec_file="test${test_count}"
+ test_file="${exec_file}.c"
+ cat > ${test_file}
+ ${TEST_CC} ${TEST_CFLAGS} -I${NOTMUCH_SRCDIR}/test -I${NOTMUCH_SRCDIR}/lib -o ${exec_file} ${test_file} -L${NOTMUCH_BUILDDIR}/lib/ -lnotmuch -ltalloc
+ echo "== stdout ==" > OUTPUT.stdout
+ echo "== stderr ==" > OUTPUT.stderr
+ ./${exec_file} "$@" 1>>OUTPUT.stdout 2>>OUTPUT.stderr
+ notmuch_dir_sanitize OUTPUT.stdout OUTPUT.stderr > OUTPUT
}
-find_notmuch_path ()
-{
- dir="$1"
+# Creates a script that counts how much time it is executed and calls
+# notmuch. $notmuch_counter_command is set to the path to the
+# generated script. Use notmuch_counter_value() function to get the
+# current counter value.
+notmuch_counter_reset () {
+ notmuch_counter_command="$TMP_DIRECTORY/notmuch_counter"
+ if [ ! -x "$notmuch_counter_command" ]; then
+ notmuch_counter_state_path="$TMP_DIRECTORY/notmuch_counter.state"
+ cat >"$notmuch_counter_command" <<EOF || return
+#!/bin/sh
+
+read count < "$notmuch_counter_state_path"
+echo \$((count + 1)) > "$notmuch_counter_state_path"
- while [ -n "$dir" ]; do
- bin="$dir/notmuch"
- if [ -x "$bin" ]; then
- echo "$dir"
- return
+exec notmuch "\$@"
+EOF
+ chmod +x "$notmuch_counter_command" || return
fi
- dir="$(dirname "$dir")"
- if [ "$dir" = "/" ]; then
- break
+
+ echo 0 > "$notmuch_counter_state_path"
+}
+
+# Returns the current notmuch counter value.
+notmuch_counter_value () {
+ if [ -r "$notmuch_counter_state_path" ]; then
+ read count < "$notmuch_counter_state_path"
+ else
+ count=0
fi
- done
+ echo $count
}
-# Test the binaries we have just built. The tests are kept in
-# test/ subdirectory and are run in 'trash directory' subdirectory.
-TEST_DIRECTORY=$(pwd)
-if test -n "$valgrind"
-then
- make_symlink () {
- test -h "$2" &&
- test "$1" = "$(readlink "$2")" || {
- # be super paranoid
- if mkdir "$2".lock
- then
- rm -f "$2" &&
- ln -s "$1" "$2" &&
- rm -r "$2".lock
- else
- while test -d "$2".lock
- do
- say "Waiting for lock on $2."
- sleep 1
- done
- fi
- }
- }
+test_reset_state_ () {
+ test -z "$test_init_done_" && test_init_
- make_valgrind_symlink () {
- # handle only executables
- test -x "$1" || return
+ test_subtest_known_broken_=
+ test_subtest_missing_external_prereq_=()
+}
- base=$(basename "$1")
- symlink_target=$TEST_DIRECTORY/../$base
- # do not override scripts
- if test -x "$symlink_target" &&
- test ! -d "$symlink_target" &&
- test "#!" != "$(head -c 2 < "$symlink_target")"
- then
- symlink_target=$TEST_DIRECTORY/valgrind.sh
- fi
- case "$base" in
- *.sh|*.perl)
- symlink_target=$TEST_DIRECTORY/unprocessed-script
- esac
- # create the link, or replace it if it is out of date
- make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
- }
+# called once before the first subtest
+test_init_ () {
+ test_init_done_=t
- # override notmuch executable in TEST_DIRECTORY/..
- GIT_VALGRIND=$TEST_DIRECTORY/valgrind
- mkdir -p "$GIT_VALGRIND"/bin
- make_valgrind_symlink $TEST_DIRECTORY/../notmuch
- OLDIFS=$IFS
- IFS=:
- for path in $PATH
- do
- ls "$path"/notmuch 2> /dev/null |
- while read file
- do
- make_valgrind_symlink "$file"
- done
- done
- IFS=$OLDIFS
- PATH=$GIT_VALGRIND/bin:$PATH
- GIT_EXEC_PATH=$GIT_VALGRIND/bin
- export GIT_VALGRIND
-else # normal case
- notmuch_path=`find_notmuch_path "$TEST_DIRECTORY"`
- test -n "$notmuch_path" && PATH="$notmuch_path:$PATH"
-fi
-export PATH
-
-# Test repository
-test="tmp.$(basename "$0" .sh)"
-test -n "$root" && test="$root/$test"
-case "$test" in
-/*) TMP_DIRECTORY="$test" ;;
- *) TMP_DIRECTORY="$TEST_DIRECTORY/$test" ;;
-esac
-test ! -z "$debug" || remove_tmp=$TMP_DIRECTORY
-rm -fr "$test" || {
- GIT_EXIT_OK=t
- echo >&5 "FATAL: Cannot prepare test area"
- exit 1
+ # skip all tests if there were external prerequisites missing during init
+ test_check_missing_external_prereqs_ "all tests in $this_test" && test_done
}
-# A temporary home directory is needed by at least:
-# - emacs/"Sending a message via (fake) SMTP"
-# - emacs/"Reply within emacs"
-# - crypto/emacs_deliver_message
-export HOME="${TMP_DIRECTORY}/home"
-mkdir -p "${HOME}"
-
-MAIL_DIR="${TMP_DIRECTORY}/mail"
-export GNUPGHOME="${TMP_DIRECTORY}/gnupg"
-export NOTMUCH_CONFIG="${TMP_DIRECTORY}/notmuch-config"
-mkdir -p "${test}"
-mkdir -p "${MAIL_DIR}"
+# Where to run the tests
+TEST_DIRECTORY=$NOTMUCH_BUILDDIR/test
-cat <<EOF >"${NOTMUCH_CONFIG}"
-[database]
-path=${MAIL_DIR}
+. "$NOTMUCH_SRCDIR/test/test-lib-common.sh" || exit 1
-[user]
-name=Notmuch Test Suite
-primary_email=test_suite@notmuchmail.org
-other_email=test_suite_other@notmuchmail.org;test_suite@otherdomain.org
-EOF
+if [ "${NOTMUCH_GMIME_MAJOR}" = 3 ]; then
+ test_subtest_broken_gmime_3 () {
+ test_subtest_known_broken
+ }
+ test_subtest_broken_gmime_2 () {
+ true
+ }
+else
+ test_subtest_broken_gmime_3 () {
+ true
+ }
+ test_subtest_broken_gmime_2 () {
+ test_subtest_known_broken
+ }
+fi
emacs_generate_script
# Use -P to resolve symlinks in our working directory so that the cwd
# in subprocesses like git equals our $PWD (for pathname comparisons).
-cd -P "$test" || error "Cannot setup test environment"
+cd -P "$TMP_DIRECTORY" || error "Cannot set up test environment"
if test "$verbose" = "t"
then
exec 4>test.output 3>&4
fi
-this_test=${0##*/}
for skp in $NOTMUCH_SKIP_TESTS
do
to_skip=
case "$this_test" in
$skp)
to_skip=t
+ break
+ esac
+ case "$this_test_bare" in
+ $skp)
+ to_skip=t
+ break
esac
done
case "$to_skip" in
ln -s x y 2>/dev/null && test -h y 2>/dev/null && test_set_prereq SYMLINKS
rm -f y
+# convert variable from configure to more convenient form
+case "$NOTMUCH_DEFAULT_XAPIAN_BACKEND" in
+ glass)
+ db_ending=glass
+ ;;
+ chert)
+ db_ending=DB
+ ;;
+ *)
+ error "Unknown Xapian backend $NOTMUCH_DEFAULT_XAPIAN_BACKEND"
+esac
# declare prerequisites for external binaries used in tests
test_declare_external_prereq dtach
test_declare_external_prereq emacs
-test_declare_external_prereq emacsclient
-test_declare_external_prereq gdb
+test_declare_external_prereq ${TEST_EMACSCLIENT}
+test_declare_external_prereq ${TEST_GDB}
test_declare_external_prereq gpg
+test_declare_external_prereq openssl
+test_declare_external_prereq gpgsm
+test_declare_external_prereq ${NOTMUCH_PYTHON}