From 645f43355e887e8d24698fb70bd2ac8a50b191d4 Mon Sep 17 00:00:00 2001
From: Arun Prakash Jana <engineerarun@gmail.com>
Date: Sat, 18 Apr 2020 04:54:07 +0530
Subject: Fix #526: persistent session

---
 nnn.1     |  5 +++--
 src/nnn.c | 12 +++++++-----
 2 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/nnn.1 b/nnn.1
index a4beb87..350f48f 100644
--- a/nnn.1
+++ b/nnn.1
@@ -109,7 +109,7 @@ supports the following options:
         load a session by name
 .Pp
 .Fl S
-        start in disk usage analyzer mode
+        persistent session
 .Pp
 .Fl "t secs"
         idle timeout in seconds to lock terminal
@@ -160,7 +160,8 @@ Sessions can be loaded dynamically from within a running
 instance, or with a program option.
 .Pp
 When a session is loaded dynamically, the last working session is saved
-automatically to a dedicated -- "last session" -- session file.
+automatically to a dedicated -- "last session" -- session file. The "last
+session" is also used in persistent session mode.
 .Pp
 All the session files are located by session name in the directory
 .Pp
diff --git a/src/nnn.c b/src/nnn.c
index dcdafcc..b6460f9 100644
--- a/src/nnn.c
+++ b/src/nnn.c
@@ -6245,6 +6245,9 @@ nochange:
 					break; // fallthrough
 			}
 
+			if (session && *session == '@' && !session[1])
+				save_session(TRUE, NULL);
+
 			/* CD on Quit */
 			/* In vim picker mode, clear selection and exit */
 			/* Picker mode: reset buffer or clear file */
@@ -6531,7 +6534,7 @@ static void usage(void)
 		" -r      use advcpmv patched cp, mv\n"
 		" -R      no rollover at edges\n"
 		" -s name load session by name\n"
-		" -S      du mode\n"
+		" -S      persistent session\n"
 		" -t secs timeout to lock\n"
 		" -T key  sort order [a/d/e/r/s/t/v]\n"
 		" -V      show version\n"
@@ -6696,10 +6699,6 @@ int main(int argc, char *argv[])
 		case 'c':
 			cfg.cliopener = 1;
 			break;
-		case 'S':
-			cfg.blkorder = 1;
-			nftw_fn = sum_bsize;
-			blk_shift = ffs(S_BLKSIZE) - 1; // fallthrough
 		case 'd':
 			cfg.showdetail = 1;
 			printptr = &printent_long;
@@ -6770,6 +6769,9 @@ int main(int argc, char *argv[])
 			if (env_opts_id < 0)
 				session = optarg;
 			break;
+		case 'S':
+			session = "@";
+			break;
 		case 't':
 			if (env_opts_id < 0)
 				idletimeout = atoi(optarg);
-- 
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