AutoYADM commit: 2025-04-23 18:45:05
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# Author: Daniel Fichtinger <daniel@ficd.ca
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# License: MIT
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function hx-typ-zathura
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argparse q/quiet k/kill-on-exit h/help -- $argv
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argparse q/quiet k/kill-on-exit h/help -- $argv
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if test (count $argv) -eq 0; or set -q _flag_h
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echo "Helper script for opening Typst files from Helix in Zathura."\n
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echo "Usage: (bind the following to a key)"
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echo ':sh hx-typ-zathura.fish [opts] %{buffer_name}'\n
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echo 'Example for config.toml:'
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echo '[keys.normal.space.t]'
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echo "p = ':sh /path/to/hx-typ-zathura.fish -k %{buffer_name}'"\n
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echo "Options:"
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echo "-q/--quiet: Don't \`echo\` on caught errors, return 1 instead."
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echo "-k/--kill-on-exit: Kill Zathura when parent Helix process exits."
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echo "-h/--help: print this screen"\n
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echo 'Author: Daniel Fichtinger <daniel@ficd.ca>'
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echo 'License: MIT'
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return 0
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end
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if test (count $argv) -eq 0; or set -q _flag_h
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echo "Helper script for opening Typst files from Helix in Zathura."\n
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echo "Usage: (bind the following to a key)"
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echo ':sh hx-typ-zathura.fish [opts] %{buffer_name}'\n
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echo 'Example for config.toml:'
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echo '[keys.normal.space.t]'
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echo "p = ':sh /path/to/hx-typ-zathura.fish -k %{buffer_name}'"\n
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echo "Options:"
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echo "-q/--quiet: Don't \`echo\` on caught errors, return 1 instead."
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echo "-k/--kill-on-exit: Kill Zathura when parent Helix process exits."
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echo "-h/--help: print this screen"\n
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echo 'Author: Daniel Fichtinger <daniel@ficd.ca>'
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echo 'License: MIT'
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return 0
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end
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# only return status 1 if -q not set
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# (if return status != 0, helix will not
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# display anything that was echoed to stdout!)
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if set -q _flag_q
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set ret 1
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else
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set ret 0
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end
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# only return status 1 if -q not set
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# (if return status != 0, helix will not
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# display anything that was echoed to stdout!)
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if set -q _flag_q
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set ret 1
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else
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set ret 0
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end
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# only echo if -q not set
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function qecho
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if test "$ret" -ne 1
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echo $argv[1]
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end
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end
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# check if the user asked to kill zathura on helix exit
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if set -q _flag_k
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set kill_parent
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# traverse up process tree to find caller Helix PID
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# We use this PID to kill zathura if Helix exits first!
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# we only need to define this function
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# inside this scope
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function find_parent_process -a target
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# initialize current_pid as this shell's pid
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set -f current_pid $fish_pid
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# Stop when we reach init (PID 1)
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while test $current_pid -ne 1
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# parent of current_pid
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set parent (ps -o ppid= -p $current_pid | string trim)
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# get parent's command name
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set cmd (ps -o comm= -p $parent | string trim)
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# if the cmd matches our target command we return its pid
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if string match -q -- $target $cmd
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echo "$parent"
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return 0
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end
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set -f current_pid $parent
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end
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return 1
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end
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set parent_pid (find_parent_process hx)
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if test -z "$parent_pid"
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qecho "Couldn't find parent hx process!"
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return $ret
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end
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end
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# opens zathura, optionally watching for helix closing
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function zopen --wraps zathura
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# this should be set if the user asked to watch
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if set -q kill_parent
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# create background sub-process
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# otherwise helix will hang
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begin
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zathura "$argv[1]" &>/dev/null &
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set zathura_pid $last_pid
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waitpid -c 1 "$parent_pid" "$zathura_pid"
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kill $zathura_pid &>/dev/null
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end &
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else
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# user didn't ask for watch, so open normally
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zathura "$argv[1]" &>/dev/null &
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end
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true
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end
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# try to find the target pdf file searching from root
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function find_pdf
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set -l root $argv[1]
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set -l base $argv[2]
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set -l candidate (fd --no-ignore-vcs -F -1 "$base" "$root")
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if test -n "$candidate"
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zopen "$candidate"
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else
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return 1
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end
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end
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# absolute path of %{buffer_name} file
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set -l src (path resolve $argv[1])
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# exit if not a typst file
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if not string match -q '*.typ' $src
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qecho "$(path basename $src) is not a Typst file!"
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return $ret
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end
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# change abs path to pdf extension
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set -l targ (string replace '.typ' '.pdf' $src)
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# get pdf target's base name
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set -l base (path basename --no-extension $src).pdf
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# if a suitable pdf exists in the same dir, open it
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if test -f "$targ"
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zopen "$targ"
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else
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# no such file in current dir, time to search!
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# if we're in a git repo, search from its root
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# if we're not, search from cwd
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if git rev-parse --is-inside-work-tree &>/dev/null
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set root (git rev-parse --show-toplevel)
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else
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set root (pwd)
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end
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if not find_pdf "$root" "$base"
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if set -q _flag_q
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return 1
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else
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echo "$base couldn't be found at root $root!"
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end
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end
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# only echo if -q not set
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function qecho
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if test "$ret" -ne 1
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echo $argv[1]
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end
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end
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hx-typ-zathura $argv
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# check if the user asked to kill zathura on helix exit
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if set -q _flag_k
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set kill_parent
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# traverse up process tree to find caller Helix PID
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# We use this PID to kill zathura if Helix exits first!
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# we only need to define this function
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# inside this scope
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function find_parent_process -a target
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# initialize current_pid as this shell's pid
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set -f current_pid $fish_pid
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# Stop when we reach init (PID 1)
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while test $current_pid -ne 1
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# parent of current_pid
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set parent (ps -o ppid= -p $current_pid | string trim)
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# get parent's command name
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set cmd (ps -o comm= -p $parent | string trim)
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# if the cmd matches our target command we return its pid
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if string match -q -- $target $cmd
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echo "$parent"
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return 0
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end
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set -f current_pid $parent
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end
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return 1
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end
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set parent_pid (find_parent_process hx)
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if test -z "$parent_pid"
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qecho "Couldn't find parent hx process!"
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return $ret
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end
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end
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# opens zathura, optionally watching for helix closing
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function zopen --wraps zathura
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# this should be set if the user asked to watch
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if set -q kill_parent
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# create background sub-process
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# otherwise helix will hang
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begin
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zathura "$argv[1]" &>/dev/null &
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set zathura_pid $last_pid
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waitpid -c 1 "$parent_pid" "$zathura_pid"
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kill $zathura_pid &>/dev/null
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end &
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else
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# user didn't ask for watch, so open normally
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zathura "$argv[1]" &>/dev/null &
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end
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true
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end
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# try to find the target pdf file searching from root
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function find_pdf
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set -l root $argv[1]
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set -l base $argv[2]
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set -l candidate (fd --no-ignore-vcs -F -1 "$base" "$root")
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if test -n "$candidate"
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zopen "$candidate"
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else
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return 1
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end
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end
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# absolute path of %{buffer_name} file
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set -l src (path resolve $argv[1])
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# exit if not a typst file
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if not string match -q '*.typ' $src
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qecho "$(path basename $src) is not a Typst file!"
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return $ret
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end
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# change abs path to pdf extension
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set -l targ (string replace '.typ' '.pdf' $src)
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# get pdf target's base name
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set -l base (path basename --no-extension $src).pdf
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# if a suitable pdf exists in the same dir, open it
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if test -f "$targ"
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zopen "$targ"
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else
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# no such file in current dir, time to search!
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# if we're in a git repo, search from its root
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# if we're not, search from cwd
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if git rev-parse --is-inside-work-tree &>/dev/null
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set root (git rev-parse --show-toplevel)
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else
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set root (pwd)
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end
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if not find_pdf "$root" "$base"
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if set -q _flag_q
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return 1
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else
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echo "$base couldn't be found at root $root!"
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end
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end
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end
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