110 lines
2.8 KiB
Fish
Executable file
110 lines
2.8 KiB
Fish
Executable file
#!/usr/bin/env fish
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argparse q/quiet k/kill-on-exit h/help -- $argv
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if test (count $argv) -e 0; or set -q _flag_h
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echo "Helper script for opening Typst files from Helix in Zathura."
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echo "Usage: (bind the following to a key)"
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echo ':sh typst-zathura [opts] %{buffer_name}'
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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 exits."
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echo "-h/--help: print this screen"
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end
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# only return status 1 if -q not set
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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 not set -q _flag_q
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echo $argv[1]
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end
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end
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# traverse up process tree to find caller Helix PID
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function find_parent_process -a target
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set current_pid $fish_pid
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while test $current_pid -ne 1 # Stop when we reach init (PID 1)
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set parent (ps -o ppid= -p $current_pid | string trim)
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set cmd (ps -o comm= -p $parent | string trim)
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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 current_pid $parent
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end
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return 1
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end
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set -q _flag_k; and set parent_pid (find_parent_process hx)
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if set -q _flag_k; and test -z "$parent_pid"
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qecho "Couldn't find parent hx process!"
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return $ret
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end
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# opens zathura, watching for helix closing
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function zopen --wraps zathura
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if set -q _flag_k
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begin
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zathura "$argv[1]" &>/dev/null &
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set zathura_pid $last_pid
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notify-send zathura "$zathura_pid"
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notify-send hx $parent_pid
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waitpid "$parent_pid"
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notify-send "helix killed"
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kill $zathura_pid
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end &
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else
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zathura "$argv[1]" &>/dev/null &
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end
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end
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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" "$root")
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if test "$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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set -l src (path resolve $argv[1])
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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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set -l targ (string replace '.typ' '.pdf' $src)
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set -l base (path basename --no-extension $src).pdf
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if test -f "$targ" -a '' != ''
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# zathura "$targ" &>/dev/null &
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zopen "$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 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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# echo in git
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set root (git rev-parse --show-toplevel)
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# echo $root
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else
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echo out git
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set root (pwd)
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end
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if not find_pdf "$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!"
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end
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end
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end
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