[PATCH 12/39] CLI/count: switch to new configuration framework

[David Bremner <david@tethera.net>]

The main effort is changing from the old argv style config list
iterators to the new more opaque ones provided by the library (and
backed by the database+file config cache).
---
 notmuch-count.c          | 48 +++++++++++--------------
 notmuch.c                |  2 +-
 test/T035-read-config.sh | 75 ++++++++++++++++++++++++++++++++++++++++
 test/T140-excludes.sh    | 15 ++++++++
 4 files changed, 112 insertions(+), 28 deletions(-)
 create mode 100755 test/T035-read-config.sh

diff --git a/notmuch-count.c b/notmuch-count.c
index f752ef62..048b1f44 100644
--- a/notmuch-count.c
+++ b/notmuch-count.c
@@ -64,10 +64,9 @@ count_files (notmuch_query_t *query)
 /* return 0 on success, -1 on failure */
 static int
 print_count (notmuch_database_t *notmuch, const char *query_str,
-	     const char **exclude_tags, size_t exclude_tags_length, int output, int print_lastmod)
+	     notmuch_config_values_t *exclude_tags, int output, int print_lastmod)
 {
     notmuch_query_t *query;
-    size_t i;
     int count;
     unsigned int ucount;
     unsigned long revision;
@@ -81,13 +80,18 @@ print_count (notmuch_database_t *notmuch, const char *query_str,
 	return -1;
     }
 
-    for (i = 0; i < exclude_tags_length; i++) {
-	status = notmuch_query_add_tag_exclude (query, exclude_tags[i]);
-	if (status && status != NOTMUCH_STATUS_IGNORED) {
-	    print_status_query ("notmuch count", query, status);
-	    return -1;
+    for (notmuch_config_values_start (exclude_tags);
+	 notmuch_config_values_valid (exclude_tags);
+	 notmuch_config_values_move_to_next (exclude_tags)) {
+
+	status = notmuch_query_add_tag_exclude (query,
+						notmuch_config_values_get (exclude_tags));
+	    if (status && status != NOTMUCH_STATUS_IGNORED) {
+		print_status_query ("notmuch count", query, status);
+		ret = -1;
+		goto DONE;
+	    }
 	}
-    }
 
     switch (output) {
     case OUTPUT_MESSAGES:
@@ -127,8 +131,8 @@ print_count (notmuch_database_t *notmuch, const char *query_str,
 }
 
 static int
-count_file (notmuch_database_t *notmuch, FILE *input, const char **exclude_tags,
-	    size_t exclude_tags_length, int output, int print_lastmod)
+count_file (notmuch_database_t *notmuch, FILE *input, notmuch_config_values_t *exclude_tags,
+	    int output, int print_lastmod)
 {
     char *line = NULL;
     ssize_t line_len;
@@ -137,8 +141,7 @@ count_file (notmuch_database_t *notmuch, FILE *input, const char **exclude_tags,
 
     while (! ret && (line_len = getline (&line, &line_size, input)) != -1) {
 	chomp_newline (line);
-	ret = print_count (notmuch, line, exclude_tags, exclude_tags_length,
-			   output, print_lastmod);
+	ret = print_count (notmuch, line, exclude_tags, output, print_lastmod);
     }
 
     if (line)
@@ -148,15 +151,13 @@ count_file (notmuch_database_t *notmuch, FILE *input, const char **exclude_tags,
 }
 
 int
-notmuch_count_command (notmuch_config_t *config, unused(notmuch_database_t *notmuch), int argc, char *argv[])
+notmuch_count_command (unused(notmuch_config_t *config), notmuch_database_t *notmuch, int argc, char *argv[])
 {
-    notmuch_database_t *notmuch;
     char *query_str;
     int opt_index;
     int output = OUTPUT_MESSAGES;
     bool exclude = true;
-    const char **search_exclude_tags = NULL;
-    size_t search_exclude_tags_length = 0;
+    notmuch_config_values_t *exclude_tags = NULL;
     bool batch = false;
     bool print_lastmod = false;
     FILE *input = stdin;
@@ -200,29 +201,22 @@ notmuch_count_command (notmuch_config_t *config, unused(notmuch_database_t *notm
 	return EXIT_FAILURE;
     }
 
-    if (notmuch_database_open (notmuch_config_get_database_path (config),
-			       NOTMUCH_DATABASE_MODE_READ_ONLY, &notmuch))
-	return EXIT_FAILURE;
-
     notmuch_exit_if_unmatched_db_uuid (notmuch);
 
-    query_str = query_string_from_args (config, argc - opt_index, argv + opt_index);
+    query_str = query_string_from_args (notmuch, argc - opt_index, argv + opt_index);
     if (query_str == NULL) {
 	fprintf (stderr, "Out of memory.\n");
 	return EXIT_FAILURE;
     }
 
     if (exclude) {
-	search_exclude_tags = notmuch_config_get_search_exclude_tags
-				  (config, &search_exclude_tags_length);
+	exclude_tags = notmuch_config_get_values (notmuch, NOTMUCH_CONFIG_EXCLUDE_TAGS);
     }
 
     if (batch)
-	ret = count_file (notmuch, input, search_exclude_tags,
-			  search_exclude_tags_length, output, print_lastmod);
+	ret = count_file (notmuch, input, exclude_tags, output, print_lastmod);
     else
-	ret = print_count (notmuch, query_str, search_exclude_tags,
-			   search_exclude_tags_length, output, print_lastmod);
+	ret = print_count (notmuch, query_str, exclude_tags, output, print_lastmod);
 
     notmuch_database_destroy (notmuch);
 
diff --git a/notmuch.c b/notmuch.c
index e0649048..40527893 100644
--- a/notmuch.c
+++ b/notmuch.c
@@ -153,7 +153,7 @@ static command_t commands[] = {
       "Get addresses from messages matching the given search terms." },
     { "show", notmuch_show_command, NOTMUCH_COMMAND_CONFIG_OPEN,
       "Show all messages matching the search terms." },
-    { "count", notmuch_count_command, NOTMUCH_COMMAND_CONFIG_OPEN,
+    { "count", notmuch_count_command, NOTMUCH_COMMAND_DATABASE_EARLY,
       "Count messages matching the search terms." },
     { "reply", notmuch_reply_command, NOTMUCH_COMMAND_CONFIG_OPEN,
       "Construct a reply template for a set of messages." },
diff --git a/test/T035-read-config.sh b/test/T035-read-config.sh
new file mode 100755
index 00000000..38d6c609
--- /dev/null
+++ b/test/T035-read-config.sh
@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+test_description='Various options for reading configuration'
+. $(dirname "$0")/test-lib.sh || exit 1
+
+backup_config () {
+    local test_name=$(basename $0 .sh)
+    cp ${NOTMUCH_CONFIG} notmuch-config-backup.${test_name}
+}
+
+xdg_config () {
+    local dir
+    local profile=${1:-default}
+    if [[ $profile != default ]]; then
+	export NOTMUCH_PROFILE=$profile
+    fi
+    backup_config
+    dir="${HOME}/.config/notmuch/${profile}"
+    rm -rf $dir
+    mkdir -p $dir
+    CONFIG_PATH=$dir/config
+    mv ${NOTMUCH_CONFIG} ${CONFIG_PATH}
+    unset NOTMUCH_CONFIG
+}
+
+restore_config () {
+    local test_name=$(basename $0 .sh)
+    export NOTMUCH_CONFIG="${TMP_DIRECTORY}/notmuch-config"
+    unset CONFIG_PATH
+    unset NOTMUCH_PROFILE
+    cp notmuch-config-backup.${test_name} ${NOTMUCH_CONFIG}
+}
+
+add_email_corpus
+
+test_begin_subtest "count with saved query from config file"
+backup_config
+query_name="test${RANDOM}"
+notmuch count query:$query_name > OUTPUT
+printf "\n[query]\n${query_name} = tag:inbox\n" >> notmuch-config
+notmuch count query:$query_name >> OUTPUT
+cat <<EOF > EXPECTED
+0
+52
+EOF
+restore_config
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "count with saved query from config file (xdg)"
+query_name="test${RANDOM}"
+xdg_config
+notmuch count query:$query_name > OUTPUT
+printf "\n[query]\n${query_name} = tag:inbox\n" >> ${CONFIG_PATH}
+notmuch count query:$query_name >> OUTPUT
+cat <<EOF > EXPECTED
+0
+52
+EOF
+restore_config
+test_expect_equal_file EXPECTED OUTPUT
+
+test_begin_subtest "count with saved query from config file (xdg+profile)"
+query_name="test${RANDOM}"
+xdg_config work
+notmuch count query:$query_name > OUTPUT
+printf "\n[query]\n${query_name} = tag:inbox\n" >> ${CONFIG_PATH}
+notmuch count query:$query_name >> OUTPUT
+cat <<EOF > EXPECTED
+0
+52
+EOF
+restore_config
+test_expect_equal_file EXPECTED OUTPUT
+
+
+test_done
diff --git a/test/T140-excludes.sh b/test/T140-excludes.sh
index cef07095..0cacc41d 100755
--- a/test/T140-excludes.sh
+++ b/test/T140-excludes.sh
@@ -286,6 +286,21 @@ test_begin_subtest "Count, default exclusion: tag in query (threads)"
 output=$(notmuch count --output=threads tag:test and tag:deleted)
 test_expect_equal "$output" "3"
 
+test_begin_subtest "Count, default exclusion, batch"
+notmuch count  --batch --output=messages<<EOF > OUTPUT
+tag:test
+tag:test and tag:deleted
+tag:test
+tag:test and tag:deleted
+EOF
+cat <<EOF >EXPECTED
+2
+4
+2
+4
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
 test_begin_subtest "Count, exclude=true: tag in query (messages)"
 output=$(notmuch count --exclude=true tag:test and tag:deleted)
 test_expect_equal "$output" "4"
-- 
2.30.0