A better way to fix chafa and foot issue

doc/ctpv.1

@@ -312,6 +312,30 @@ Print only text and do not use any image previewing method.
 Do not print resolved path of symbolic links.
 .
 .TP
+.B autochafa
+By default,
+.I Chafa
+is always forced to use \(lqsymbols\(rq format because
+.I lf
+does not support
+\(lqsixel\(rq output in the preview window.
+However, one could install a
+.UR https://github.com/horriblename/lf
+fork of
+.I lf
+.UE
+that does.
+For such cases the
+.B autochafa
+option exists, which allows
+.I Chafa
+to decide which format to use.
+Use it if you are sure that the version of
+.I lf
+you are using will be able to handle whatever output produced by
+.IR Chafa .
+.
+.TP
 .B showgpg
 Preview
 .BR gpg (1)

sh/helpers.sh

@@ -18,6 +18,10 @@ noimages() {
 	[ -n "$noimages" ]
 }
 
+autochafa() {
+	[ -z "$autochafa" ]
+}
+
 is_kitty() {
 	case "$TERM" in
 		*-kitty) return 0 ;;
@@ -61,7 +65,8 @@ is_anim_image() {
 }
 
 chafa_run() {
-	chafa -s "${w}x${h}" -f symbols "$1"
+	autochafa && format='-f symbols' || format=
+	chafa -s "${w}x${h}" $format "$1" | sed 's/#/\n#/g'
 }
 
 setup_fifo() {

src/config.c

@@ -60,6 +60,7 @@ static struct Option options[] = {
     DEF_OPTION_BOOL(forcechafa),
     DEF_OPTION_BOOL(noimages),
     DEF_OPTION_BOOL(nosymlinkinfo),
+    DEF_OPTION_BOOL(autochafa),
     DEF_OPTION_BOOL(showgpg),
 };
 

src/ctpv.h

@@ -16,7 +16,7 @@ struct CTPV {
     char *server_id_s;
     struct {
         int forcekitty, forcekittyanim, forcechafa, noimages, nosymlinkinfo;
-        int showgpg;
+        int autochafa, showgpg;
     } opts;
 };
 

src/shell.c

@@ -42,6 +42,7 @@ RESULT run_script(char *script, size_t script_len, int *exitcode, int *signal,
     OPT_SETENV(forcechafa);
     OPT_SETENV(noimages);
     OPT_SETENV(nosymlinkinfo);
+    OPT_SETENV(autochafa);
     OPT_SETENV(showgpg);
 
     char *scr = prepend_helpers(script, script_len);