From 11b9ed0c664f0633c9f27b7894cd91936aa383cb Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Sat, 5 Aug 2017 14:30:38 +0200
Subject: shell: add --verbose flag

---
 shell.nix | 51 +++++++++++++++++++++++++++++++++++----------------
 1 file changed, 35 insertions(+), 16 deletions(-)

diff --git a/shell.nix b/shell.nix
index 57690d398..607530e5e 100644
--- a/shell.nix
+++ b/shell.nix
@@ -8,6 +8,7 @@ let
 
   # usage: deploy [--force-populate] [--user=USER]
   #               --system=SYSTEM [--target=TARGET]
+  #               [--verbose]
   cmds.deploy = pkgs.writeDash "cmds.deploy" ''
     set -efu
 
@@ -65,6 +66,7 @@ let
 
   # usage: test [--force-populate] [--user=USER]
   #             --system=SYSTEM --target=TARGET
+  #             [--verbose]
   cmds.test = pkgs.writeDash "cmds.test" /* sh */ ''
     set -efu
 
@@ -145,13 +147,14 @@ let
   init.args = pkgs.writeText "init.args" /* sh */ ''
     args=$(${pkgs.utillinux}/bin/getopt -n "$command" -s sh \
         -o s:t:u: \
-        -l force-populate,system:,target:,user: \
+        -l force-populate,system:,target:,user:,verbose \
         -- "$@")
     if \test $? != 0; then exit 1; fi
     eval set -- "$args"
     force_populate=false;
     while :; do case $1 in
       --force-populate) force_populate=true; shift;;
+      --verbose) verbose=true; shift;;
       -s|--system) system=$2; shift 2;;
       -t|--target) target=$2; shift 2;;
       -u|--user) user=$2; shift 2;;
@@ -194,6 +197,7 @@ let
             cd "$target_path/stockholm" \; \
             NIX_PATH=$(quote "$target_path") \
             STOCKHOLM_VERSION=$(quote "$STOCKHOLM_VERSION") \
+            verbose=$(quote "$verbose") \
             nix-shell --run "$(quote "
               system=$(quote "$system") \
               target=$(quote "$target") \
@@ -206,24 +210,38 @@ let
 
   utils.build = pkgs.writeDash "utils.build" ''
     set -efu
-    ${pkgs.nix}/bin/nix-build \
-        -Q \
-        --no-out-link \
-        --show-trace \
-        -E "with import <stockholm>; $1" \
-        -I "$target_path" \
-      2>&1 |
-    ${pkgs.whatsupnix}/bin/whatsupnix
+    if test "$verbose" = true; then
+      ${pkgs.nix}/bin/nix-build \
+          --no-out-link \
+          --show-trace \
+          -E "with import <stockholm>; $1" \
+          -I "$target_path"
+    else
+      ${pkgs.nix}/bin/nix-build \
+          -Q \
+          --no-out-link \
+          --show-trace \
+          -E "with import <stockholm>; $1" \
+          -I "$target_path" \
+        2>&1 |
+      ${pkgs.whatsupnix}/bin/whatsupnix
+    fi
   '';
 
   utils.deploy = pkgs.writeDash "utils.deploy" ''
-    set -efu
-    PATH=/run/current-system/sw/bin nixos-rebuild switch \
-        -Q \
-        --show-trace \
-        -I "$target_path" \
-      2>&1 |
-    ${pkgs.whatsupnix}/bin/whatsupnix
+    set -xefu
+    if test "$verbose" = true; then
+      PATH=/run/current-system/sw/bin nixos-rebuild switch \
+          --show-trace \
+          -I "$target_path"
+    else
+      PATH=/run/current-system/sw/bin nixos-rebuild switch \
+          -Q \
+          --show-trace \
+          -I "$target_path" \
+        2>&1 |
+      ${pkgs.whatsupnix}/bin/whatsupnix
+    fi
   '';
 
   shell.get-version = pkgs.writeDash "shell.get-version" ''
@@ -270,6 +288,7 @@ in pkgs.stdenv.mkDerivation {
 
     export HOSTNAME="$(${pkgs.nettools}/bin/hostname)"
     export STOCKHOLM_VERSION="''${STOCKHOLM_VERSION-$(${shell.get-version})}"
+    export verbose="''${verbose-false}"
 
     PS1='\[\e[38;5;162m\]\w\[\e[0m\] '
   '';
-- 
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