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|
let Text/concatSep = ./imports/Prelude/Text/concatSep
let Text/concatMap = ./imports/Prelude/Text/concatMap
let List/concatMap = ./imports/Prelude/List/concatMap
let List/map = ./imports/Prelude/List/map
let
-- TODO use library like with shell commands
Executable =
Text
let config = ./config.dhall
let foo =
{ match = [ "image", "png" ]
, cmd = λ(_ : Text) → { exe = "echo", args = [ "foo" ] }
}
let renderMime = Text/concatSep "/"
let shellEscapeCommand =
λ(shellEscape : Text → Text) →
λ(file : Text) →
λ(cmd : config.Command) →
Text/concatSep
" "
( [ shellEscape cmd.exe ]
# List/map
config.Arg
Text
( λ(arg : config.Arg) →
merge
{ String = λ(t : Text) → shellEscape t
, Variable = λ(t : Text) → t
}
arg
)
(cmd.args (config.Arg.Variable file))
)
: Text
let repeatText =
λ(t : Text) →
λ(n : Natural) →
Natural/fold n Text (λ(t2 : Text) → t ++ t2) ""
let Lines = { indent : Natural, lines : List Text }
let prettyLines =
λ(lines : Lines) →
Text/concatMap
Text
(λ(line : Text) → repeatText " " lines.indent ++ line ++ "\n")
lines.lines
let xdg-open =
let mimeMatcherCase =
λ(shellEscape2 : Text → Text) →
λ(file2 : Text) →
λ(m : config.MimeMatch) →
[ "${renderMime m.match})"
, "${shellEscapeCommand shellEscape2 file2 m.cmd}"
, ";;"
]
let mimeGlobCase =
λ(g : config.UriMimeGlob) →
List/concatMap
Text
Text
( λ(match : Text) →
[ "${match})", "mime=${renderMime g.mime}", ";;" ]
)
g.glob
: List Text
in λ(bins : { get-mime-type : Executable }) →
λ(write-dash : Text → Text → Executable) →
λ(shellEscape : Text → Text) →
λ(pkgs : { package : Text, binary : Text } → Executable) →
λ(special : config.Special) →
write-dash
"xdg-open"
( ''
# TODO: --dry-run to display what would be opened and why
# partially taken from
# https://github.com/march-linux/mimi/blob/master/xdg-open
set -e
file="$1"
mime=
# match on protocols
# if you want to match files reliably, start with file://
case "$file" in
${prettyLines
{ indent = 2
, lines =
List/concatMap
config.UriMimeGlob
Text
mimeGlobCase
config.uriMimeGlobs
}}
*)
# it’s a file
# strip possible protocol
file=''
++ "\$"
++ ''
{file#file://}
mime=$(file -E --brief --mime-type "$file") \
|| (echo "$mime" 1>&2; exit 1)
# ^ echo the error message of file
;;
esac
case "$mime" in
${prettyLines
{ indent = 2
, lines =
List/concatMap
config.MimeMatch
Text
(mimeMatcherCase shellEscape "\"\$file\"")
(config.mimeMatcher pkgs special)
}}
esac
''
)
in xdg-open
|
