Mic92/stockholm
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

shell: add parse-target command

Browse Source
This commit is contained in:
tv 2017-07-23 00:04:54 +02:00
parent a942b33f04
commit 854311b004
1 changed files with 19 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
shell.nix
View File

@ -49,6 +49,24 @@ let
"$1" "$1"
''; '';
# usage: parse-target [USER@]HOST[:PORT][/PATH]
cmds.parse-target = pkgs.writeDash "cmds.parse-target" ''
set -efu
script=${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 "$1" \
'';
init.args = pkgs.writeText "init.args" /* sh */ '' init.args = pkgs.writeText "init.args" /* sh */ ''
args=$(${pkgs.utillinux}/bin/getopt -n "$command" -s sh \ args=$(${pkgs.utillinux}/bin/getopt -n "$command" -s sh \
-o s:t:u: \ -o s:t:u: \
@ -74,7 +92,7 @@ let
export target export target
export user export user
export target_object="$(${init.env.parsetarget} $target)" export target_object="$(parse-target "$target")"
export target_user="$(echo $target_object | ${pkgs.jq}/bin/jq -r .user)" export target_user="$(echo $target_object | ${pkgs.jq}/bin/jq -r .user)"
export target_host="$(echo $target_object | ${pkgs.jq}/bin/jq -r .host)" export target_host="$(echo $target_object | ${pkgs.jq}/bin/jq -r .host)"
export target_port="$(echo $target_object | ${pkgs.jq}/bin/jq -r .port)" export target_port="$(echo $target_object | ${pkgs.jq}/bin/jq -r .port)"
@ -88,26 +106,6 @@ let
fi fi
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" '' populate = pkgs.writeDash "init.env.populate" ''
set -efu set -efu
_source=$(get-source "$source") _source=$(get-source "$source")