system/less: bump { 581 --> 590 }.

Note that the patches correspond to:

  * https://github.com/gwsw/less/commit/5e1f4ce2c3a2c0fd6a953c4f7ca2839370f9c3ae.patch
  * https://github.com/gwsw/less/commit/d3edebf528da8a9e15d6be518c24e90462a28698.patch

with minor modifications to remove conflicts in non-code NRO and NEWS files.

1 files changed, 88 insertions, 0 deletions

diff --git a/system/less/search-path-history-file.patch b/system/less/search-path-history-file.patch
new file mode 100644
index 000000000..7ec0ce9f1
--- /dev/null
+++ b/system/less/search-path-history-file.patch
@@ -0,0 +1,88 @@
+From 5e1f4ce2c3a2c0fd6a953c4f7ca2839370f9c3ae Mon Sep 17 00:00:00 2001
+From: Mark Nudelman <markn@greenwoodsoftware.com>
+Date: Fri, 3 Dec 2021 09:38:22 -0800
+Subject: [PATCH] Add $XDG_STATE_HOME and $HOME/.local/state to list of
+ directories to search for the history file.
+
+---
+ cmdbuf.c     | 48 ++++++++++++++++++++++++++++++++----------------
+ less.nro.VER |  6 +++---
+ 2 files changed, 35 insertions(+), 19 deletions(-)
+
+diff --git a/cmdbuf.c b/cmdbuf.c
+index cd99010d..abbda9b9 100644
+--- a/cmdbuf.c
++++ b/cmdbuf.c
+@@ -1401,14 +1401,41 @@ mlist_size(ml)
+ /*
+  * Get the name of the history file.
+  */
++	static char *
++histfile_find(must_exist)
++	int must_exist;
++{
++	char *home = lgetenv("HOME");
++	char *name = NULL;
++
++	/* Try in $XDG_DATA_STATE, then in $HOME/.local/state, then in $XDG_DATA_HOME, then in $HOME. */
++#if OS2
++	if (isnullenv(home))
++		home = lgetenv("INIT");
++#endif
++	name = dirfile(lgetenv("XDG_STATE_HOME"), &LESSHISTFILE[1], must_exist);
++	if (name == NULL)
++	{
++		char *dir = dirfile(home, ".local/state", 1);
++		if (dir != NULL)
++		{
++			name = dirfile(dir, &LESSHISTFILE[1], must_exist);
++			free(dir);
++		}
++	}
++	if (name == NULL)
++		name = dirfile(lgetenv("XDG_DATA_HOME"), &LESSHISTFILE[1], must_exist);
++	if (name == NULL)
++		name = dirfile(home, LESSHISTFILE, must_exist);
++	return (name);
++}
++
+ 	static char *
+ histfile_name(must_exist)
+ 	int must_exist;
+ {
+-	char *home;
+-	char *xdg;
+ 	char *name;
+-	
++
+ 	/* See if filename is explicitly specified by $LESSHISTFILE. */
+ 	name = lgetenv("LESSHISTFILE");
+ 	if (!isnullenv(name))
+@@ -1423,25 +1450,14 @@ histfile_name(must_exist)
+ 	if (strcmp(LESSHISTFILE, "") == 0 || strcmp(LESSHISTFILE, "-") == 0)
+ 		return (NULL);
+ 
+-	/* Try in $XDG_DATA_HOME first, then in $HOME. */
+-	xdg = lgetenv("XDG_DATA_HOME");
+-	home = lgetenv("HOME");
+-#if OS2
+-	if (isnullenv(home))
+-		home = lgetenv("INIT");
+-#endif
+ 	name = NULL;
+ 	if (!must_exist)
+ 	{
+ 	 	/* If we're writing the file and the file already exists, use it. */
+-		name = dirfile(xdg, &LESSHISTFILE[1], 1);
+-		if (name == NULL)
+-			name = dirfile(home, LESSHISTFILE, 1);
++		name = histfile_find(1);
+ 	}
+ 	if (name == NULL)
+-		name = dirfile(xdg, &LESSHISTFILE[1], must_exist);
+-	if (name == NULL)
+-		name = dirfile(home, LESSHISTFILE, must_exist);
++		name = histfile_find(must_exist);
+ 	return (name);
+ }
+