From 875b54e2cd3f8d380ae36efb5c086f576f0bde92 Mon Sep 17 00:00:00 2001
From: despiegk <kristof@incubaid.com>
Date: Thu, 19 Dec 2024 20:27:00 +0100
Subject: [PATCH] fix for compile

---
 crystallib/biz/bizmodel/play_product_revenue.v     |  4 ++--
 crystallib/biz/spreadsheet/factory.v               |  2 +-
 crystallib/biz/spreadsheet/wiki.v                  |  2 +-
 crystallib/builder/builder_factory.v               |  2 +-
 crystallib/core/generator/generic/generator.v      |  1 -
 crystallib/core/playcmds/play_core.v               |  8 ++++----
 crystallib/core/playcmds/play_luadns.v             | 10 +++++-----
 crystallib/core/playcmds/play_mdbook.v             |  2 +-
 crystallib/data/doctree/process_includes.v         |  2 +-
 crystallib/data/doctree/scan.v                     |  2 +-
 crystallib/data/doctree/tree.v                     |  2 +-
 crystallib/develop/gittools/repository.v           |  2 +-
 crystallib/installers/lang/nodejs/nodejs.v         |  2 +-
 crystallib/installers/lang/vlang/v-analyzer.v      |  2 +-
 .../installers/sysadmintools/garage_s3/configure.v |  2 +-
 .../installers/sysadmintools/grafana/grafana.v     |  2 +-
 .../prometheus/alertmanager_installer.v            |  2 +-
 .../sysadmintools/prometheus/blackbox_exporter.v   |  2 +-
 .../sysadmintools/prometheus/node_exporter.v       |  2 +-
 .../sysadmintools/prometheus/prom2json.v           |  2 +-
 .../prometheus/prometheus_installer.v              |  2 +-
 .../sysadmintools/rclone/rclone_actions.v          |  4 ++--
 crystallib/installers/upload.v                     |  2 +-
 crystallib/lang/python/shell.v                     |  2 +-
 crystallib/osal/rsync/rsyncd.v                     |  4 ++--
 crystallib/threefold/grid/deployer.v               |  2 +-
 crystallib/threefold/grid/vm.v                     |  2 +-
 .../threefold/grid4/farmingsimulator/factory.v     |  2 +-
 .../grid4/farmingsimulator/model_nodesbatch.v      |  2 +-
 crystallib/threefold/grid4/farmingsimulator/play.v |  2 +-
 crystallib/threefold/grid4/gridsimulator/factory.v |  2 +-
 crystallib/threefold/tfrobot/deploy.v              |  6 ++----
 crystallib/threefold/tfrobot/vm.v                  | 14 +++++---------
 crystallib/web/components/calendar.v               |  2 +-
 crystallib/web/components/feed.v                   |  2 +-
 crystallib/web/mdbook/mdbook.v                     |  4 ++--
 36 files changed, 51 insertions(+), 58 deletions(-)

diff --git a/crystallib/biz/bizmodel/play_product_revenue.v b/crystallib/biz/bizmodel/play_product_revenue.v
index 906c8c300..222d29346 100644
--- a/crystallib/biz/bizmodel/play_product_revenue.v
+++ b/crystallib/biz/bizmodel/play_product_revenue.v
@@ -95,7 +95,7 @@ fn (mut m BizModel) revenue_action(action Action) ! {
 		product.has_oneoffs = true
 	}
 
-	mut cogs_perc := m.sheet.row_new(
+    _ := m.sheet.row_new(
 		name:          '${name}_cogs_perc'
 		growth:        action.params.get_default('cogs_perc', '0')!
 		tags:          'rev  name:${name}'
@@ -205,7 +205,7 @@ fn (mut m BizModel) revenue_action(action Action) ! {
 			nrmonths: nr_months_recurring
 		)!
 
-		nr_sold_recurring := nr_sold.recurring(
+        _ := nr_sold.recurring(
 			name:          '${name}_nr_sold_recurring'
 			descr:         'Nr products active because of recurring for ${name2}'
 			nrmonths:      nr_months_recurring
diff --git a/crystallib/biz/spreadsheet/factory.v b/crystallib/biz/spreadsheet/factory.v
index 4c92ad3f6..12e36f1b4 100644
--- a/crystallib/biz/spreadsheet/factory.v
+++ b/crystallib/biz/spreadsheet/factory.v
@@ -39,7 +39,7 @@ pub fn sheet_new(args SheetNewArgs) !&Sheet {
 pub fn sheet_get(name string) !&Sheet {
 	rlock sheets {
 		if name in sheets {
-			return sheets[name]
+            return sheets[name] or { return error('Sheet ${name} not found') }
 		}
 	}
 	return error("cann't find sheet:'${name}' in global sheets")
diff --git a/crystallib/biz/spreadsheet/wiki.v b/crystallib/biz/spreadsheet/wiki.v
index e3bbc8052..e273b65f2 100644
--- a/crystallib/biz/spreadsheet/wiki.v
+++ b/crystallib/biz/spreadsheet/wiki.v
@@ -7,7 +7,7 @@ import freeflowuniverse.crystallib.ui.console
 pub fn (mut s Sheet) wiki(args_ RowGetArgs) !string {
 	mut args := args_
 
-	period_months := match args.period_type {
+    _ := match args.period_type {
 		.year { 12 }
 		.month { 1 }
 		.quarter { 3 }
diff --git a/crystallib/builder/builder_factory.v b/crystallib/builder/builder_factory.v
index c5d177477..5b92cceef 100644
--- a/crystallib/builder/builder_factory.v
+++ b/crystallib/builder/builder_factory.v
@@ -7,7 +7,7 @@ pub struct BuilderFactory {
 }
 
 pub fn new() !BuilderFactory {
-	mut c := base.context()!
+    _ := base.context()!
 	mut bf := BuilderFactory{}
 	return bf
 }
diff --git a/crystallib/core/generator/generic/generator.v b/crystallib/core/generator/generic/generator.v
index 7fac495e1..3ece412fd 100644
--- a/crystallib/core/generator/generic/generator.v
+++ b/crystallib/core/generator/generic/generator.v
@@ -35,7 +35,6 @@ fn generate_exec(path string, reset bool) ! {
 	// TODO: check case sensistivity for delete
 	mut path_readme := pathlib.get(args.path + '/readme.md')
 	if args.reset || !path_readme.exists() {
-		name := args.name
 		mut templ_readme := $tmpl('templates/readme.md')
 		pathlib.template_write(templ_readme, '${args.path}/readme.md', true)!
 	}
diff --git a/crystallib/core/playcmds/play_core.v b/crystallib/core/playcmds/play_core.v
index 701c1defb..bfb6f046e 100644
--- a/crystallib/core/playcmds/play_core.v
+++ b/crystallib/core/playcmds/play_core.v
@@ -20,16 +20,16 @@ pub fn play_core(mut plbook playbook.PlayBook) ! {
 
 		if p.exists('coderoot') {
 			panic('implement')
-			mut coderoot := p.get_path_create('coderoot')!
+            _ := p.get_path_create('coderoot')!
 
-			mut gs := gittools.get()!
+            _ := gittools.get()!
 		}
 		action.done = true
 	}
 
 	for mut action in plbook.find(filter: 'session.')! {
-		mut p := action.params
-		mut session := plbook.session
+        _ := action.params
+        _ := plbook.session
 
 		//!!session.env_set key:'JWT_SHARED_KEY' val:'...'
 
diff --git a/crystallib/core/playcmds/play_luadns.v b/crystallib/core/playcmds/play_luadns.v
index 82216c5b2..434d09001 100644
--- a/crystallib/core/playcmds/play_luadns.v
+++ b/crystallib/core/playcmds/play_luadns.v
@@ -5,12 +5,12 @@ import freeflowuniverse.crystallib.core.playbook
 import os
 
 pub fn play_luadns(mut plbook playbook.PlayBook) ! {
-	mut buildroot := '${os.home_dir()}/hero/var/mdbuild'
-	mut publishroot := '${os.home_dir()}/hero/www/info'
-	mut coderoot := ''
+	_ := '${os.home_dir()}/hero/var/mdbuild'
+	_ := '${os.home_dir()}/hero/www/info'
+	_ := ''
 	// mut install := false
-	mut reset := false
-	mut pull := false
+	_ := false
+	_ := false
 
 	for mut action in plbook.find(filter: 'luadns.set_domain')! {
 		mut p := action.params
diff --git a/crystallib/core/playcmds/play_mdbook.v b/crystallib/core/playcmds/play_mdbook.v
index a1e0ec84d..1a42c53e9 100644
--- a/crystallib/core/playcmds/play_mdbook.v
+++ b/crystallib/core/playcmds/play_mdbook.v
@@ -107,7 +107,7 @@ pub fn play_mdbook(mut plbook playbook.PlayBook) ! {
 		printbook := p.get_default_false('printbook')
 		foldlevel := p.get_int_default('foldlevel', 0)!
 		production := p.get_default_false('production')
-		reset3 := p.get_default_true('reset')
+        _ := p.get_default_true('reset')
 		collections := p.get_list_default('collections', [])!
 
 		if summary_url == '' && summary_path == '' {
diff --git a/crystallib/data/doctree/process_includes.v b/crystallib/data/doctree/process_includes.v
index 9e6aef1be..f411e40e3 100644
--- a/crystallib/data/doctree/process_includes.v
+++ b/crystallib/data/doctree/process_includes.v
@@ -102,7 +102,7 @@ fn (mut tree Tree) generate_pages_graph() !map[string]map[string]bool {
 
 fn (mut tree Tree) collection_page_graph(col &collection.Collection) !map[string]map[string]bool {
 	mut graph := map[string]map[string]bool{}
-	mut ths := []thread !GraphResponse{}
+    _ := []thread !GraphResponse{}
 	for _, page in col.pages {
 		resp := tree.generate_page_graph(page, col.name)!
 		for k, v in resp.graph {
diff --git a/crystallib/data/doctree/scan.v b/crystallib/data/doctree/scan.v
index e1729dae1..26309c3f9 100644
--- a/crystallib/data/doctree/scan.v
+++ b/crystallib/data/doctree/scan.v
@@ -126,7 +126,7 @@ pub fn (mut tree Tree) scan_concurrent(args_ TreeScannerArgs) ! {
 		)
 	}
 
-	for i, t in threads {
+	for _, t in threads {
 		new_collection := t.wait() or { return error('Error executing thread: ${err}') }
 		tree.collections[new_collection.name] = &new_collection
 	}
diff --git a/crystallib/data/doctree/tree.v b/crystallib/data/doctree/tree.v
index cefbf3b0d..47e17b29e 100644
--- a/crystallib/data/doctree/tree.v
+++ b/crystallib/data/doctree/tree.v
@@ -58,7 +58,7 @@ pub fn new(args_ TreeArgsGet) !&Tree {
 pub fn tree_get(name string) !&Tree {
 	rlock doctrees {
 		if name in doctrees {
-			return doctrees[name]
+            return doctrees[name] or { return error('Doctree ${name} not found') }
 		}
 	}
 	return error("cann't doctree:'${name}'")
diff --git a/crystallib/develop/gittools/repository.v b/crystallib/develop/gittools/repository.v
index 8b5caf3b0..c95d86684 100644
--- a/crystallib/develop/gittools/repository.v
+++ b/crystallib/develop/gittools/repository.v
@@ -266,7 +266,7 @@ fn (mut repo GitRepo) set_sshkey(key_name string) ! {
 	}
 
 	private_key := key.private_key_path()!
-	cmd := 'git config core.sshcommand "ssh -i ~/.ssh/${private_key.path}"'
+    _ := 'git config core.sshcommand "ssh -i ~/.ssh/${private_key.path}"'
 	repo.deploysshkey = key_name
 }
 
diff --git a/crystallib/installers/lang/nodejs/nodejs.v b/crystallib/installers/lang/nodejs/nodejs.v
index ed54f56e9..e268b1d1e 100644
--- a/crystallib/installers/lang/nodejs/nodejs.v
+++ b/crystallib/installers/lang/nodejs/nodejs.v
@@ -12,7 +12,7 @@ pub mut:
 }
 
 pub fn install(args_ InstallArgs) ! {
-	mut args := args_
+    _ := args_
 	pl := osal.platform()
 	if pl == .arch {
 		osal.package_install('npm')!
diff --git a/crystallib/installers/lang/vlang/v-analyzer.v b/crystallib/installers/lang/vlang/v-analyzer.v
index 4afc791f9..ad1d06ae9 100644
--- a/crystallib/installers/lang/vlang/v-analyzer.v
+++ b/crystallib/installers/lang/vlang/v-analyzer.v
@@ -10,7 +10,7 @@ pub fn v_analyzer_install(args_ InstallArgs) ! {
 	mut args := args_
 	console.print_header('install v-analyzer (reset: ${args.reset})')
 	version := '0.0.4'
-	pl := osal.platform()
+    _ := osal.platform()
 	res := os.execute('${osal.profile_path_source_and()} v-analyzer version')
 	if res.exit_code == 0 {
 		r := res.output.split_into_lines().filter(it.trim_space().starts_with('v-analyzer'))
diff --git a/crystallib/installers/sysadmintools/garage_s3/configure.v b/crystallib/installers/sysadmintools/garage_s3/configure.v
index cef45033f..7c0113b8d 100644
--- a/crystallib/installers/sysadmintools/garage_s3/configure.v
+++ b/crystallib/installers/sysadmintools/garage_s3/configure.v
@@ -112,7 +112,7 @@ pub fn stop() ! {
 }
 
 fn check(args S3Config) !bool {
-	cmd := 'garage status'
+    _ := 'garage status'
 	res := os.execute('garage status')
 	if res.exit_code == 0 {
 		return true
diff --git a/crystallib/installers/sysadmintools/grafana/grafana.v b/crystallib/installers/sysadmintools/grafana/grafana.v
index e1b67619a..38cbda23f 100644
--- a/crystallib/installers/sysadmintools/grafana/grafana.v
+++ b/crystallib/installers/sysadmintools/grafana/grafana.v
@@ -56,7 +56,7 @@ pub fn install(args_ InstallArgs) ! {
 			return error('unsuported platform, only linux amd64 for now')
 		}
 
-		mut dest := osal.download(
+        _ := osal.download(
 			url:        url
 			minsize_kb: 15000
 			expand_dir: '/tmp/grafana'
diff --git a/crystallib/installers/sysadmintools/prometheus/alertmanager_installer.v b/crystallib/installers/sysadmintools/prometheus/alertmanager_installer.v
index 5e24ed751..015dfe7d2 100644
--- a/crystallib/installers/sysadmintools/prometheus/alertmanager_installer.v
+++ b/crystallib/installers/sysadmintools/prometheus/alertmanager_installer.v
@@ -38,7 +38,7 @@ pub fn install_alertmanager(args_ InstallArgs) ! {
 			return error('unsported platform, only linux amd64 for now')
 		}
 
-		mut dest := osal.download(
+        _ := osal.download(
 			url:        url
 			minsize_kb: 28000
 			expand_dir: '/tmp/prometheus'
diff --git a/crystallib/installers/sysadmintools/prometheus/blackbox_exporter.v b/crystallib/installers/sysadmintools/prometheus/blackbox_exporter.v
index 9a2fa2458..b2d441448 100644
--- a/crystallib/installers/sysadmintools/prometheus/blackbox_exporter.v
+++ b/crystallib/installers/sysadmintools/prometheus/blackbox_exporter.v
@@ -38,7 +38,7 @@ pub fn install_blackbox_exporter(args_ InstallArgs) ! {
 			return error('unsuported platform, only linux amd64 for now')
 		}
 
-		mut dest := osal.download(
+        _ := osal.download(
 			url:        url
 			minsize_kb: 9000
 			expand_dir: '/tmp/prometheus'
diff --git a/crystallib/installers/sysadmintools/prometheus/node_exporter.v b/crystallib/installers/sysadmintools/prometheus/node_exporter.v
index 060441b7d..777b8079a 100644
--- a/crystallib/installers/sysadmintools/prometheus/node_exporter.v
+++ b/crystallib/installers/sysadmintools/prometheus/node_exporter.v
@@ -38,7 +38,7 @@ pub fn install_node_exporter(args_ InstallArgs) ! {
 			return error('unsuported platform, only linux amd64 for now')
 		}
 
-		mut dest := osal.download(
+        _ := osal.download(
 			url:        url
 			minsize_kb: 9000
 			expand_dir: '/tmp/prometheus'
diff --git a/crystallib/installers/sysadmintools/prometheus/prom2json.v b/crystallib/installers/sysadmintools/prometheus/prom2json.v
index ec523a295..b5d6689dd 100644
--- a/crystallib/installers/sysadmintools/prometheus/prom2json.v
+++ b/crystallib/installers/sysadmintools/prometheus/prom2json.v
@@ -29,7 +29,7 @@ pub fn install_prom2json(args_ InstallArgs) ! {
 			return error('unsuported platform, only linux amd64 for now')
 		}
 
-		mut dest := osal.download(
+        _ := osal.download(
 			url:        url
 			minsize_kb: 3000
 			expand_dir: '/tmp/prometheus'
diff --git a/crystallib/installers/sysadmintools/prometheus/prometheus_installer.v b/crystallib/installers/sysadmintools/prometheus/prometheus_installer.v
index 666ad7092..942d13d4d 100644
--- a/crystallib/installers/sysadmintools/prometheus/prometheus_installer.v
+++ b/crystallib/installers/sysadmintools/prometheus/prometheus_installer.v
@@ -38,7 +38,7 @@ pub fn install_prometheus(args_ InstallArgs) ! {
 			return error('unsported platform, only linux amd64 for now')
 		}
 
-		mut dest := osal.download(
+        _ := osal.download(
 			url:        url
 			minsize_kb: 100000
 			expand_dir: '/tmp/prometheus'
diff --git a/crystallib/installers/sysadmintools/rclone/rclone_actions.v b/crystallib/installers/sysadmintools/rclone/rclone_actions.v
index 88142adb1..c3389b84b 100644
--- a/crystallib/installers/sysadmintools/rclone/rclone_actions.v
+++ b/crystallib/installers/sysadmintools/rclone/rclone_actions.v
@@ -53,11 +53,11 @@ fn install() ! {
 }
 
 fn configure() ! {
-	mut cfg := get()!
+	_ := get()!
 
 	// THIS IS EXAMPLE CODEAND NEEDS TO BE CHANGED
 
-	mut mycode := $tmpl('templates/rclone.yaml')
+	_ := $tmpl('templates/rclone.yaml')
 	// mut path := pathlib.get_file(path: cfg.configpath, create: true)!
 	// path.write(mycode)!
 	// console.print_debug(mycode)
diff --git a/crystallib/installers/upload.v b/crystallib/installers/upload.v
index dbb318609..96787c0b0 100644
--- a/crystallib/installers/upload.v
+++ b/crystallib/installers/upload.v
@@ -12,6 +12,6 @@ pub mut:
 }
 
 pub fn upload(args_ UploadArgs) ! {
-	mut args := args_
+	//_ := args_
 	panic('to implement')
 }
diff --git a/crystallib/lang/python/shell.v b/crystallib/lang/python/shell.v
index 077e80b11..3a30e44d4 100644
--- a/crystallib/lang/python/shell.v
+++ b/crystallib/lang/python/shell.v
@@ -4,7 +4,7 @@ import freeflowuniverse.crystallib.osal
 import freeflowuniverse.crystallib.core.texttools
 
 pub fn (py PythonEnv) shell(name_ string) ! {
-	name := texttools.name_fix(name_)
+    _ := texttools.name_fix(name_)
 	cmd := '
 	cd ${py.path.path}
 	source bin/activate
diff --git a/crystallib/osal/rsync/rsyncd.v b/crystallib/osal/rsync/rsyncd.v
index 43db6b046..79a852c4b 100644
--- a/crystallib/osal/rsync/rsyncd.v
+++ b/crystallib/osal/rsync/rsyncd.v
@@ -30,7 +30,7 @@ pub fn rsyncd() !RsyncD {
 
 // add site to the rsyncd config
 pub fn (mut self RsyncD) site_add(args_ RsyncSite) ! {
-	mut args := args_
+    _ := args_
 	// self.sites[args.name]=RsyncSite{name:args.name,}
 }
 
@@ -48,7 +48,7 @@ pub fn (mut self RsyncD) generate() ! {
 }
 
 fn (mut self RsyncD) reload() ! {
-	cmd := '
+    _ := '
 	chmod 600 /etc/rsyncd.secrets
 	systemctl enable rsync
 	systemctl start rsync
diff --git a/crystallib/threefold/grid/deployer.v b/crystallib/threefold/grid/deployer.v
index d388eff16..2050841fe 100644
--- a/crystallib/threefold/grid/deployer.v
+++ b/crystallib/threefold/grid/deployer.v
@@ -300,7 +300,7 @@ pub fn (mut d Deployer) batch_deploy(name_contracts []string, mut dls map[u32]&m
 			continue
 		}
 
-		mut dl := dls[data.node]
+        mut dl := dls[data.node] or { return error('Node ${data.node} not found in dls map') }
 		dl.contract_id = contract_id
 		threads << spawn d.handle_deploy(data.node, mut dl, hash_map[data.node])
 	}
diff --git a/crystallib/threefold/grid/vm.v b/crystallib/threefold/grid/vm.v
index f57d19a16..1414690e0 100644
--- a/crystallib/threefold/grid/vm.v
+++ b/crystallib/threefold/grid/vm.v
@@ -47,7 +47,7 @@ fn (mut deployer Deployer) vm_deploy(args_ VMSpecs) !VMDeployed {
 	}
 	// deploymentstate_db.set(args.deployment_name,"vm_${args.name}",json.encode(VMDeployed))!
 
-	vm := models.VM{
+    _ := models.VM{
 		name:     'vm1'
 		env_vars: {
 			'SSH_KEY': 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDTwULSsUubOq3VPWL6cdrDvexDmjfznGydFPyaNcn7gAL9lRxwFbCDPMj7MbhNSpxxHV2+/iJPQOTVJu4oc1N7bPP3gBCnF51rPrhTpGCt5pBbTzeyNweanhedkKDsCO2mIEh/92Od5Hg512dX4j7Zw6ipRWYSaepapfyoRnNSriW/s3DH/uewezVtL5EuypMdfNngV/u2KZYWoeiwhrY/yEUykQVUwDysW/xUJNP5o+KSTAvNSJatr3FbuCFuCjBSvageOLHePTeUwu6qjqe+Xs4piF1ByO/6cOJ8bt5Vcx0bAtI8/MPApplUU/JWevsPNApvnA/ntffI+u8DCwgP'
diff --git a/crystallib/threefold/grid4/farmingsimulator/factory.v b/crystallib/threefold/grid4/farmingsimulator/factory.v
index c1bd4ceff..a523f093e 100644
--- a/crystallib/threefold/grid4/farmingsimulator/factory.v
+++ b/crystallib/threefold/grid4/farmingsimulator/factory.v
@@ -70,7 +70,7 @@ pub fn new(args_ SimulatorArgs) !Simulator {
 pub fn simulator_get(name string) !&Simulator {
 	rlock farmingsimulators {
 		if name in farmingsimulators {
-			return farmingsimulators[name]
+            return farmingsimulators[name] or { return error('Farming simulator ${name} not found') }
 		}
 	}
 	return error("cann't find tfgrid gridsimulator:'${name}' in global farmingsimulators")
diff --git a/crystallib/threefold/grid4/farmingsimulator/model_nodesbatch.v b/crystallib/threefold/grid4/farmingsimulator/model_nodesbatch.v
index ec8487b6b..92d43bc4b 100644
--- a/crystallib/threefold/grid4/farmingsimulator/model_nodesbatch.v
+++ b/crystallib/threefold/grid4/farmingsimulator/model_nodesbatch.v
@@ -30,7 +30,7 @@ fn (mut nb NodesBatch) calc(month int) !NBCalc {
 
 	power_kwh := nb.node_template.capacity.power * 24 * 30 / 1000 * nb.nrnodes
 	rackspace := nb.node_template.capacity.rackspace * nb.nrnodes
-	params := ri.simulator.params
+    _ := ri.simulator.params
 	tokens_farmed := ri.token_farming(nb.node_template, month)!
 
 	if month < nb.start_month {
diff --git a/crystallib/threefold/grid4/farmingsimulator/play.v b/crystallib/threefold/grid4/farmingsimulator/play.v
index f4f5d6794..5590aec59 100644
--- a/crystallib/threefold/grid4/farmingsimulator/play.v
+++ b/crystallib/threefold/grid4/farmingsimulator/play.v
@@ -14,7 +14,7 @@ pub fn play(mut plbook PlayBook) ! {
 		return
 	}
 
-	mut name := ''
+    _ := ''
 	// console.print_header("AAAA")
 	// console.print_debug(plbook)
 	// console.print_header("BBBB")
diff --git a/crystallib/threefold/grid4/gridsimulator/factory.v b/crystallib/threefold/grid4/gridsimulator/factory.v
index c1efbf1e2..e2768acd5 100644
--- a/crystallib/threefold/grid4/gridsimulator/factory.v
+++ b/crystallib/threefold/grid4/gridsimulator/factory.v
@@ -72,7 +72,7 @@ pub fn new(args_ SimulatorArgs) !Simulator {
 pub fn simulator_get(name string) !&Simulator {
 	rlock grid_simulators {
 		if name in grid_simulators {
-			return grid_simulators[name]
+            return grid_simulators[name] or { return error('Grid simulator ${name} not found') }
 		}
 	}
 	return error("cann't find tfgrid gridsimulator:'${name}' in global grid_simulators")
diff --git a/crystallib/threefold/tfrobot/deploy.v b/crystallib/threefold/tfrobot/deploy.v
index b1df1825e..ac778b8ed 100644
--- a/crystallib/threefold/tfrobot/deploy.v
+++ b/crystallib/threefold/tfrobot/deploy.v
@@ -42,8 +42,8 @@ pub mut:
 	node_group  string
 	cpu         int  = 4 @[required]
 	mem         int  = 4 @[required]         // in GB
-	public_ip4  bool = false
-	public_ip6  bool = false
+	public_ip4  bool
+	public_ip6  bool
 	ygg_ip      bool = true
 	mycelium_ip bool = true
 	flist       string @[required]
@@ -53,8 +53,6 @@ pub mut:
 	env_vars    map[string]string
 }
 
-// pub struct SSHKey
-
 pub struct DeployResult {
 pub:
 	ok    map[string][]VMOutput
diff --git a/crystallib/threefold/tfrobot/vm.v b/crystallib/threefold/tfrobot/vm.v
index 94212fa5a..545549c3b 100644
--- a/crystallib/threefold/tfrobot/vm.v
+++ b/crystallib/threefold/tfrobot/vm.v
@@ -35,7 +35,7 @@ pub mut:
 // return ssh node (can be used to do actions remotely)
 // will check all available channels till it can ssh into the node
 pub fn (vm VMOutput) node(args NodeArgs) !&builder.Node {
-	mut b := builder.new()!
+    mut b := builder.new()!
 	start_time := time.now().unix_milli()
 	mut run_time := 0.0
 	for true {
@@ -46,7 +46,7 @@ pub fn (vm VMOutput) node(args NodeArgs) !&builder.Node {
 				return b.node_new(
 					ipaddr: 'root@${vm.public_ip4}'
 					name:   '${vm.deployment_name}_${vm.name}'
-				)!
+				)
 			}
 		}
 		if args.ip6 && vm.public_ip6.len > 0 {
@@ -56,7 +56,7 @@ pub fn (vm VMOutput) node(args NodeArgs) !&builder.Node {
 				return b.node_new(
 					ipaddr: 'root@[${vm.public_ip6}]'
 					name:   '${vm.deployment_name}_${vm.name}'
-				)!
+				)
 			}
 		}
 		if args.planetary && vm.yggdrasil_ip.len > 0 {
@@ -66,7 +66,7 @@ pub fn (vm VMOutput) node(args NodeArgs) !&builder.Node {
 				return b.node_new(
 					ipaddr: 'root@[${vm.yggdrasil_ip}]'
 					name:   '${vm.deployment_name}_${vm.name}'
-				)!
+				)
 			}
 		}
 		run_time = time.now().unix_milli()
@@ -79,7 +79,7 @@ pub fn (vm VMOutput) node(args NodeArgs) !&builder.Node {
 }
 
 pub fn (vm VMOutput) tcpport_addr_get(port int) !string {
-	mut b := builder.new()!
+    mut b := builder.new()!
 	start_time := time.now().unix_milli()
 	mut run_time := 0.0
 	for true {
@@ -180,22 +180,18 @@ pub fn (vm VMOutput) tcpport_addr_get(port int) !string {
 pub fn (vm VMOutput) vscode() ! {
 	r := vm.dagu_addr_get()!
 	cmd3 := "open 'http://[${r.addr}]:8080'"
-	// http://[302:1d81:cef8:3049:fbe1:69ba:bd8c:52ec]:8080/?folder=/root/Holochain/hello-world
-	// console.print_debug(cmd3)
 	osal.exec(cmd: cmd3)!
 }
 
 pub fn (vm VMOutput) vscode_holochain() ! {
 	r := vm.dagu_addr_get()!
 	cmd3 := "open 'http://[${r.addr}]:8080/?folder=/root/Holochain/hello-world'"
-	// console.print_debug(cmd3)
 	osal.exec(cmd: cmd3)!
 }
 
 pub fn (vm VMOutput) vscode_holochain_proxy() ! {
 	r := vm.dagu_addr_get()!
 	cmd3 := "open 'http://[${r.addr}]:8080/proxy/8282/"
-	// console.print_debug(cmd3)
 	osal.exec(cmd: cmd3)!
 }
 
diff --git a/crystallib/web/components/calendar.v b/crystallib/web/components/calendar.v
index a488302d9..542c86ad8 100644
--- a/crystallib/web/components/calendar.v
+++ b/crystallib/web/components/calendar.v
@@ -117,7 +117,7 @@ fn (mut self CalendarView) generate_calendar() string {
 		month: self.current_month + 1
 		day:   0
 	})
-	days_in_month := last_day.day
+    _ := last_day.day
 	starting_day := int(first_day.day_of_week())
 
 	mut calendar_html := '<div class="calendar">'
diff --git a/crystallib/web/components/feed.v b/crystallib/web/components/feed.v
index ff7d9ce7a..9ea8bd3bb 100644
--- a/crystallib/web/components/feed.v
+++ b/crystallib/web/components/feed.v
@@ -11,7 +11,7 @@ pub:
 	user        string
 	typ         string @[json: 'type'] // Can be "text", "news", or "image"
 	content     string
-	description string = '' // Only for image posts, optional
+	description string    // Only for image posts, optional
 }
 
 pub fn (feed Feed) html() string {
diff --git a/crystallib/web/mdbook/mdbook.v b/crystallib/web/mdbook/mdbook.v
index 7dad183d3..aa72a5179 100644
--- a/crystallib/web/mdbook/mdbook.v
+++ b/crystallib/web/mdbook/mdbook.v
@@ -61,7 +61,7 @@ pub fn (mut books MDBooks[Config]) generate(args_ MDBookArgs) !&MDBook {
 	r.expire('mdbook:${args.name}:build', 3600 * 12)! // expire after 12h
 	r.expire('mdbook:${args.name}:publish', 3600 * 12)!
 
-	mut gs := gittools.get()!
+	_ := gittools.get()!
 
 	mut src_path := pathlib.get_dir(path: '${args.build_path}/src', create: true)!
 	_ := pathlib.get_dir(path: '${args.build_path}/.edit', create: true)!
@@ -69,7 +69,7 @@ pub fn (mut books MDBooks[Config]) generate(args_ MDBookArgs) !&MDBook {
 	for col_path in args.collections {
 		// link collections from col_path to src
 		mut p := pathlib.get_dir(path: col_path)!
-		mut entries := p.list(dirs_only: true, recursive: false)!
+		_ := p.list(dirs_only: true, recursive: false)!
 
 		if _ := collection_set[p.name()] {
 			return error('collection with name ${p.name()} already exists')