nnn

commit f4acfc7a4e065bab2f4e01f1c641d0b398deb8d7
parent 7d0be597ad2791ef223cca732b9e4223879e3dbb
Author: Arun Prakash Jana <engineerarun@gmail.com>
Date:   Sun, 17 Nov 2019 14:33:30 +0530

Block nesting of nnn instances

Diffstat:
M
misc/quitcd/quitcd.bash
 | 
6
++++++
M
misc/quitcd/quitcd.csh
 | 
2
+-
M
misc/quitcd/quitcd.fish
 | 
6
++++++
M
misc/quitcd/quitcd.zsh
 | 
6
++++++

4 files changed, 19 insertions(+), 1 deletion(-)
diff --git a/misc/quitcd/quitcd.bash b/misc/quitcd/quitcd.bash
@@ -1,5 +1,11 @@
 n()
 {
+    # Block nesting of nnn in subshells
+    if [ $(expr $NNNLVL + 0) -ge 1 ]; then
+        echo "nnn is already running"
+        return
+    fi
+
     # The default behaviour is to cd on quit (nnn checks if NNN_TMPFILE is set)
     # To cd on quit only on ^G, export NNN_TMPFILE after the call to nnn
     export NNN_TMPFILE=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd
diff --git a/misc/quitcd/quitcd.csh b/misc/quitcd/quitcd.csh
@@ -4,4 +4,4 @@
 # To cd on quit only on ^G, export NNN_TMPFILE after the call to nnn
 set NNN_TMPFILE=~/.config/nnn/.lastd
 
-alias n 'nnn; source "$NNN_TMPFILE"; rm "$NNN_TMPFILE"'
+alias n 'nnn; source "$NNN_TMPFILE"; rm -f "$NNN_TMPFILE"'
diff --git a/misc/quitcd/quitcd.fish b/misc/quitcd/quitcd.fish
@@ -3,6 +3,12 @@
 # or, add the lines to the 'config.fish' file.
 
 function n --description 'support nnn quit and change directory'
+    # Block nesting of nnn in subshells
+    if [ (expr $NNNLVL + 0) -ge 1 ]
+        echo "nnn is already running"
+        return
+    end
+
     # The default behaviour is to cd on quit (nnn checks if NNN_TMPFILE is set)
     # To cd on quit only on ^G, export NNN_TMPFILE after the call to nnn
     if test -n "$XDG_CONFIG_HOME"
diff --git a/misc/quitcd/quitcd.zsh b/misc/quitcd/quitcd.zsh
@@ -1,5 +1,11 @@
 n()
 {
+    # Block nesting of nnn in subshells
+    if [ $(expr $NNNLVL + 0) -ge 1 ]; then
+        echo "nnn is already running"
+        return
+    fi
+
     # The default behaviour is to cd on quit (nnn checks if NNN_TMPFILE is set)
     # To cd on quit only on ^G, export NNN_TMPFILE after the call to nnn
     export NNN_TMPFILE=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.lastd