pager: expose utilities

krebs/5pkgs/simple/pager.nix

@@ -1,36 +1,42 @@
 { pkgs }:
 
-pkgs.writeDashBin "pager" ''
+pkgs.symlinkJoin {
-  # usage: pager {view,shift,shiftview}
+  name = "pager-wrapper";
-  #
+  paths = [
-  # Environment variables
+    (pkgs.writeDashBin "pager" ''
-  #
+      # usage: pager {view,shift,shiftview}
-  #   PAGER_NAME (default: Pager)
+      #
-  #     The environment variables specifies the application name under which
+      # Environment variables
-  #     resources are to be obtained.  PAGER_NAME should not contain “.” or “*”
+      #
-  #     characters.
+      #   PAGER_NAME (default: Pager)
-  #
+      #     The environment variables specifies the application name under
-  set -efu
+      #     which resources are to be obtained.  PAGER_NAME should not contain
+      #     “.” or “*” characters.
+      #
+      set -efu
 
-  pidfile=$XDG_RUNTIME_DIR/pager.lock
+      pidfile=$XDG_RUNTIME_DIR/pager.lock
-  name=''${PAGER_NAME-Pager}
+      name=''${PAGER_NAME-Pager}
 
-  if test -e "$pidfile" &&
+      if test -e "$pidfile" &&
-     ${pkgs.procps}/bin/pgrep --pidfile="$pidfile" >/dev/null
+         ${pkgs.procps}/bin/pgrep --pidfile="$pidfile" >/dev/null
-  then
+      then
-    ${pkgs.procps}/bin/pkill --pidfile="$pidfile"
+        ${pkgs.procps}/bin/pkill --pidfile="$pidfile"
-    ${pkgs.coreutils}/bin/rm "$pidfile"
+        ${pkgs.coreutils}/bin/rm "$pidfile"
-    exit
+        exit
-  fi
+      fi
 
-  echo $$ > "$pidfile"
+      echo $$ > "$pidfile"
 
-  exec ${pkgs.xterm}/bin/xterm \
+      exec ${pkgs.xterm}/bin/xterm \
-      -name "$name" \
+          -name "$name" \
-      -ti vt340 \
+          -ti vt340 \
-      -xrm 'Pager*geometry: 32x10' \
+          -xrm 'Pager*geometry: 32x10' \
-      -xrm 'Pager*internalBorder: 2' \
+          -xrm 'Pager*internalBorder: 2' \
-      -xrm 'Pager*background: #050505' \
+          -xrm 'Pager*background: #050505' \
-      -xrm 'Pager*foreground: #d0d7d0' \
+          -xrm 'Pager*foreground: #d0d7d0' \
-      -e ${pkgs.haskellPackages.pager}/bin/pager "$@"
+          -e ${pkgs.haskellPackages.pager}/bin/pager "$@"
-''
+    '')
+    pkgs.haskellPackages.pager
+  ];
+}