[PATCH 2/2] cli: notmuch show support for --include-html with --format=text

[mawww@kakoune.org]

From: Maxime Coste <mawww@kakoune.org>

---
 NEWS                      |  3 ++-
 doc/man1/notmuch-show.rst | 11 ++++++-----
 notmuch-show.c            |  9 ++++++---
 test/T190-multipart.sh    |  9 +++++++++
 4 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/NEWS b/NEWS
index 64de9999..434f920a 100644
--- a/NEWS
+++ b/NEWS
@@ -4,7 +4,8 @@ Notmuch 0.29 (UNRELEASED)
 Command Line Interface
 ----------------------
 
-`notmuch show` now supports --body=false with --format=text
+`notmuch show` now supports --body=false and --include-html with
+--format=text
 
 Notmuch 0.28 (2018-10-12)
 =========================
diff --git a/doc/man1/notmuch-show.rst b/doc/man1/notmuch-show.rst
index f3c32fd2..a2708a04 100644
--- a/doc/man1/notmuch-show.rst
+++ b/doc/man1/notmuch-show.rst
@@ -183,11 +183,12 @@ Supported options for **show** include
     output is much faster and substantially smaller.
 
 ``--include-html``
-    Include "text/html" parts as part of the output (currently only
-    supported with ``--format=json`` and ``--format=sexp``). By default,
-    unless ``--part=N`` is used to select a specific part or
-    ``--include-html`` is used to include all "text/html" parts, no
-    part with content type "text/html" is included in the output.
+    Include "text/html" parts as part of the output (currently
+    only supported with ``--format=text``, ``--format=json`` and
+    ``--format=sexp``). By default, unless ``--part=N`` is used to
+    select a specific part or ``--include-html`` is used to include all
+    "text/html" parts, no part with content type "text/html" is included
+    in the output.
 
 A common use of **notmuch show** is to display a single thread of email
 messages. For this, use a search term of "thread:<thread-id>" as can be
diff --git a/notmuch-show.c b/notmuch-show.c
index 42fe27cc..07e9a5db 100644
--- a/notmuch-show.c
+++ b/notmuch-show.c
@@ -584,7 +584,8 @@ format_part_text (const void *ctx, sprinter_t *sp, mime_node_t *node,
 
     if (leaf) {
 	if (g_mime_content_type_is_type (content_type, "text", "*") &&
-	    !g_mime_content_type_is_type (content_type, "text", "html"))
+	    (params->include_html ||
+	     ! g_mime_content_type_is_type (content_type, "text", "html")))
 	{
 	    show_text_part_content (node->part, stream, 0);
 	} else {
@@ -1218,8 +1219,10 @@ notmuch_show_command (notmuch_config_t *config, int argc, char *argv[])
     }
 
     if (params.include_html &&
-        (format != NOTMUCH_FORMAT_JSON && format != NOTMUCH_FORMAT_SEXP)) {
-	fprintf (stderr, "Warning: --include-html only implemented for format=json and format=sexp\n");
+        (format != NOTMUCH_FORMAT_TEXT &&
+	 format != NOTMUCH_FORMAT_JSON &&
+	 format != NOTMUCH_FORMAT_SEXP)) {
+	fprintf (stderr, "Warning: --include-html only implemented for format=text, format=json and format=sexp\n");
     }
 
     query_string = query_string_from_args (config, argc-opt_index, argv+opt_index);
diff --git a/test/T190-multipart.sh b/test/T190-multipart.sh
index 81c4d772..9ad141cb 100755
--- a/test/T190-multipart.sh
+++ b/test/T190-multipart.sh
@@ -325,6 +325,15 @@ Non-text part: text/html
 EOF
 test_expect_equal_file EXPECTED OUTPUT
 
+test_begin_subtest "--format=text --include-html --part=5, rfc822's html part"
+notmuch show --format=text --include-html --part=5 'id:87liy5ap00.fsf@yoom.home.cworth.org' >OUTPUT
+cat <<EOF >EXPECTED
+\fpart{ ID: 5, Content-type: text/html
+<p>This is an embedded message, with a multipart/alternative part.</p>
+\fpart}
+EOF
+test_expect_equal_file EXPECTED OUTPUT
+
 test_begin_subtest "--format=text --part=6, rfc822's text part"
 notmuch show --format=text --part=6 'id:87liy5ap00.fsf@yoom.home.cworth.org' >OUTPUT
 cat <<EOF >EXPECTED
-- 
2.14.5