funny fish

.config/fish/functions/__z_add.fish

@@ -0,0 +1,49 @@
+function __z_add -d "Add PATH to .z file"
+    test -n "$fish_private_mode"; and return 0
+
+    for i in $Z_EXCLUDE
+        if string match -r $i $PWD >/dev/null
+            return 0 #Path excluded
+        end
+    end
+
+    set -l tmpfile (mktemp $Z_DATA.XXXXXX)
+
+    if test -f $tmpfile
+        set -l path (string replace --all \\ \\\\ $PWD)
+        command awk -v path=$path -v now=(date +%s) -F "|" '
+      BEGIN {
+          rank[path] = 1
+          time[path] = now
+      }
+      $2 >= 1 {
+          if( $1 == path ) {
+              rank[$1] = $2 + 1
+              time[$1] = now
+          }
+          else {
+              rank[$1] = $2
+              time[$1] = $3
+          }
+          count += $2
+      }
+      END {
+          if( count > 1000 ) {
+              for( i in rank ) print i "|" 0.9*rank[i] "|" time[i] # aging
+          }
+          else for( i in rank ) print i "|" rank[i] "|" time[i]
+      }
+    ' $Z_DATA 2>/dev/null >$tmpfile
+
+        if test ! -z "$Z_OWNER"
+            chown $Z_OWNER:(id -ng $Z_OWNER) $tmpfile
+        end
+        #
+        # Don't use redirection here as it can lead to a race condition where $Z_DATA is clobbered.
+        # Note: There is a still a possible race condition where an old version of $Z_DATA is
+        #       read by one instance of Fish before another instance of Fish writes its copy.
+        #
+        command mv $tmpfile $Z_DATA
+        or command rm $tmpfile
+    end
+end