sfeed_curses

commit 6057dfc832cb190a76390fe800b71e7405ea2fcf
parent 795c0547aff616f42d92b7a2a91701cab08767b1
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Sat, 27 Jun 2020 23:02:37 +0200

set SFEED_PATH_PATH when changing feeds

This is useful for example for the plumb or content script to have contextual
customization per feed.

I use this to get the corresponding base url from the feed in the sfeedrc to
fix up feeds with relative urls in the content.

Diffstat:
M
sfeed_curses.1
 | 
3
+++
M
sfeed_curses.c
 | 
11
+++++++++++

2 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/sfeed_curses.1 b/sfeed_curses.1
@@ -111,6 +111,9 @@ By default this is "less".
 .It Ev SFEED_PLUMBER
 A program that received the url or enclosure url as a parameter.
 By default this is "xdg-open".
+.It Ev SFEED_FEED_PATH
+This variable is set when a feed is set or changed.
+It can be used by the plumb or pipe program for scripting purposes.
 .El
 .Sh EXIT STATUS
 .Ex -std
diff --git a/sfeed_curses.c b/sfeed_curses.c
@@ -986,6 +986,15 @@ feed_count(struct feed *f, FILE *fp)
 	free(line);
 }
 
+void
+feed_setenv(struct feed *f)
+{
+	if (f && f->path)
+		setenv("SFEED_FEED_PATH", f->path, 1);
+	else
+		unsetenv("SFEED_FEED_PATH");
+}
+
 /* change feed, have one file open, reopen file if needed */
 void
 feeds_set(struct feed *f)
@@ -1002,6 +1011,8 @@ feeds_set(struct feed *f)
 			err(1, "fopen: %s", f->path);
 	}
 
+	feed_setenv(f);
+
 	curfeed = f;
 }