AutoYADM commit: 2025-05-18 19:11:24

.config/kak/scripts/kak-typ-zathura.fish

@@ -3,14 +3,13 @@
 # hx-typ-zathura: easily preview your typst documents from Helix!
 # This script will automatically find a pdf that matches your
 # current Typst document and attempt to open it with Zathura.
-# Optionally, it will quit Zathura when you close Helix, and
-# uses typst watch to continuously compile the file.
+# Optionally, it will quit Zathura when you close Helix.
 # Run this script with --help for usage info!
 
 # Author: Daniel Fichtinger <daniel@ficd.ca
 # License: MIT
 
-argparse q/quiet k/kill-on-exit w/watch h/help s/session -- $argv
+argparse q/quiet k/kill-on-exit h/help p/process -- $argv
 
 if test (count $argv) -eq 0; or set -q _flag_h
     echo "Helper script for opening Typst files from Helix in Zathura."\n
@@ -22,11 +21,7 @@ if test (count $argv) -eq 0; or set -q _flag_h
     echo "Options:"
     echo "-q/--quiet: Don't \`echo\` on caught errors, return 1 instead."
     echo "-k/--kill-on-exit: Kill Zathura when parent Helix process exits."
-    echo "-w/--watch: live preview mode"
     echo "-h/--help: print this screen"\n
-    echo "Note:"
-    echo "To avoid spawning a large number of typst processes,"
-    echo "--watch is only effective if --kill-on-exit is also set."\n
     echo 'Author: Daniel Fichtinger <daniel@ficd.ca>'
     echo 'License: MIT'
     return 0
@@ -48,70 +43,40 @@ function qecho
     end
 end
 
-# absolute path of %{buffer_name} file
-set -g src_path (path resolve $argv[1])
-
 # check if the user asked to kill zathura on helix exit
-# or to watch the pdf
-if set -q _flag_k || set -q _flag_w
-    if set -q _flag_k
-        set kill_parent
-    end
-    if set -q _flag_w
-        set typst_watch
+if set -q _flag_k
+    set kill_parent
+    set client_id $_flag_p
+    # traverse up process tree to find caller Helix PID
+    # We use this PID to kill zathura if Helix exits first!
+    # we only need to define this function
+    # inside this scope
+    function find_parent_process
+        echo "$client_id"
     end
 
-    if not set -q _flag_s
-        qecho "You must provide --session=<name> with --kill-on-exit or --watch."
+    set parent_pid (find_parent_process hx)
+    if test -z "$parent_pid"
+        qecho "Couldn't find parent hx process!"
         return $ret
     end
-    set session_name $_flag_s
-    set session_socket "$XDG_RUNTIME_DIR/kakoune/$session_name"
-    if not test -S "$session_socket"
-        qecho "Session $session_name not found!"
-        return $ret
-    end
-
-end
-
-function monitor_kak
-    set -l socket $argv[1]
-    set -l zathura_pid $argv[2]
-    set -l typst_pid $argv[3]
-
-    set -l dir (path dirname "$socket")
-    set -l file (path basename "$socket")
-
-    inotifywait -q -e delete,delete_self,moved_from --format '%f' "$dir" | while read filename
-        if test "$filename" = "$file"
-            kill $zathura_pid &> /dev/null
-            if test -n "$typst_pid"
-                kill $typst_pid &>/dev/null
-            end
-            break
-        end
-    end
 end
 
 # opens zathura, optionally watching for helix closing
 function zopen --wraps zathura
-    set -f pdf_path $argv[1]
-    # this should be set if the user asked to kill
+    # this should be set if the user asked to watch
     if set -q kill_parent
         # create background sub-process
         # otherwise helix will hang
         begin
-            zathura "$pdf_path" &>/dev/null &
+            zathura "$argv[1]" &>/dev/null &
             set zathura_pid $last_pid
-            if set -q typst_watch
-                typst watch "$src_path" "$pdf_path" &>/dev/null &
-                set -f typst_pid $last_pid
-            end
-            monitor_kak "$session_socket" "$zathura_pid" "$typst_pid" &
+            waitpid -c 1 "$parent_pid" "$zathura_pid"
+            kill $zathura_pid &>/dev/null
         end &
     else
-        # user didn't ask for kill, so open normally
-        zathura "$pdf_path" &>/dev/null &
+        # user didn't ask for watch, so open normally
+        zathura "$argv[1]" &>/dev/null &
     end
     true
 end
@@ -128,17 +93,19 @@ function find_pdf
     end
 end
 
-# echo $src_path
+# absolute path of %{buffer_name} file
+set -l src (path resolve $argv[1])
+# echo $src
 # return 0
 # exit if not a typst file
-if not string match -q '*.typ' $src_path
-    qecho "$(path basename $src_path) is not a Typst file!"
+if not string match -q '*.typ' $src
+    qecho "$(path basename $src) is not a Typst file!"
     return $ret
 end
 # change abs path to pdf extension
-set -l targ (string replace --regex '\.typ$' '.pdf' $src_path)
+set -l targ (string replace --regex '\.typ$' '.pdf' $src)
 # get pdf target's base name
-set -l base (path basename --no-extension $src_path).pdf
+set -l base (path basename --no-extension $src).pdf
 
 # if a suitable pdf exists in the same dir, open it
 if test -f "$targ"
@@ -160,3 +127,4 @@ else
         end
     end
 end
+