diff options
Diffstat (limited to 'shell.nix')
| -rw-r--r-- | shell.nix | 40 |
1 files changed, 19 insertions, 21 deletions
@@ -49,6 +49,24 @@ let "$1" ''; + # usage: parse-target [USER@]HOST[:PORT][/PATH] + cmds.parse-target = pkgs.writeDash "cmds.parse-target" '' + set -efu + script=${pkgs.writeText "cmds.parse-target.jq" '' + def when(c; f): if c then f else . end; + def capturesDef(i; v): .captures[i].string | when(. == null; v); + $target | match("^(?:([^@]+)@)?([^:/]+)?(?::([0-9]+))?(/.*)?$") | { + user: capturesDef(0; "root"), + host: capturesDef(1; env.system), + port: capturesDef(2; "22"), + path: capturesDef(3; "/var/src"), + } | . + { + local: (.user == env.LOGNAME and .host == env.HOSTNAME), + } + ''} + exec ${pkgs.jq}/bin/jq -enrf "$script" --arg target "$1" \ + ''; + init.args = pkgs.writeText "init.args" /* sh */ '' args=$(${pkgs.utillinux}/bin/getopt -n "$command" -s sh \ -o s:t:u: \ @@ -74,7 +92,7 @@ let export target export user - export target_object="$(${init.env.parsetarget} $target)" + export target_object="$(parse-target "$target")" export target_user="$(echo $target_object | ${pkgs.jq}/bin/jq -r .user)" export target_host="$(echo $target_object | ${pkgs.jq}/bin/jq -r .host)" export target_port="$(echo $target_object | ${pkgs.jq}/bin/jq -r .port)" @@ -88,26 +106,6 @@ let fi fi '' // { - parsetarget = pkgs.writeDash "init.env.parsetarget" '' - set -efu - exec ${pkgs.jq}/bin/jq \ - -enr \ - --arg target "$1" \ - -f ${init.env.parsetarget.jq} - '' // { - jq = pkgs.writeText "init.env.parsetarget.jq" '' - def when(c; f): if c then f else . end; - def capturesDef(i; v): .captures[i].string | when(. == null; v); - $target | match("^(?:([^@]+)@)?([^:/]+)?(?::([0-9]+))?(/.*)?$") | { - user: capturesDef(0; "root"), - host: capturesDef(1; env.system), - port: capturesDef(2; "22"), - path: capturesDef(3; "/var/src"), - } | . + { - local: (.user == env.LOGNAME and .host == env.HOSTNAME), - } - ''; - }; populate = pkgs.writeDash "init.env.populate" '' set -efu _source=$(get-source "$source") |