Update and cleanup

- move to Taskfile
- update RevealJS
- remove annoying special paths and build overlay file system

.circleci/config.yml

@@ -2,16 +2,18 @@ version: 2
 jobs:
   build:
     docker:
-      - image: circleci/golang:1.12
+      - image: circleci/golang:1.15
     steps:
       - checkout
-      - run: make compile
+      - run: sh -c "$(curl -ssL https://taskfile.dev/install.sh)" -- -d -b /usr/bin
+      - run: task cli-cover-report
   release:
     docker:
-      - image: circleci/golang:1.12
+      - image: circleci/golang:1.15
     steps:
       - checkout
-      - run: GO111MODULE=off go get -u github.com/gobuffalo/packr/v2/packr2
+      - run: sh -c "$(curl -ssL https://taskfile.dev/install.sh)" -- -d -b /usr/bin
+      - run: task tools download-reveal
       - run: curl -sL https://git.io/goreleaser | bash
 workflows:
   version: 2

.gitignore

@@ -28,3 +28,6 @@ goveal
 
 # gorelease
 dist/
+
+#Taskfile
+.task/

.goreleaser.yml

@@ -1,11 +1,7 @@
 project_name: goveal
 before:
   hooks:
-    - mkdir -p ./assets/reveal
+    - task test
-    - ./download_revealjs.sh
-    - go mod download
-    - go build -v ./...
-    - packr2
 builds:
   - main: ./cmd/goveal/main.go
     binary: goveal

Taskfile.yml

@@ -0,0 +1,85 @@
+version: '3'
+
+vars:
+  DEBUG_PORT: 2345
+  REVEALJS_VERSION: 4.1.0
+  BINARY_NAME: goveal
+  OUT_DIR: ./out
+  GO_BUILD_ARGS: -ldflags="-w -s"
+  CMD_PACKAGE: github.com/baez90/go-reveal-slides/cmd/goveal
+
+emv:
+  CGO_ENABLED: 0
+
+tasks:
+  clean:
+    cmds:
+      - rm -f debug {{ .BINARY_NAME }}
+      - rm -rf ./dist {{ .OUT_DIR }}
+      - pkger clean
+
+  format:
+    cmds:
+      - go fmt ./...
+
+  deps:
+    sources:
+      - go.mod
+      - go.sum
+    cmds:
+      - go mod download
+      - go mod tidy
+
+  test:
+    sources:
+      - ./**/*.go
+    deps:
+      - deps
+    cmds:
+      - go test -coverprofile={{ .OUT_DIR }}/cov-raw.out -v ./...
+      - cat {{ .OUT_DIR }}/cov-raw.out | grep -v "generated" > {{ .OUT_DIR }}/cov.out
+
+  cli-cover-report:
+    cmds:
+      - go tool cover -func={{ .OUT_DIR }}/cov.out
+
+  html-cover-report:
+    cmds:
+      - go tool cover -html={{ .OUT_DIR }}/cov.out -o {{ .OUT_DIR }}/coverage.html
+
+  build:
+    deps:
+      - deps
+    sources:
+      - ./**/*.go
+    cmds:
+      - pkger
+      - go build {{ .GO_BUILD_ARGS }} -o  {{ .BINARY_NAME }} {{ .CMD_PACKAGE }}
+
+  run:
+    deps:
+      - deps
+    cmds:
+      - go run {{ .CMD_PACKAGE }} serve ./examples/slides.md
+
+  debug:
+    cmds:
+      - dlv debug --headless --listen=127.10.10.2:{{ .DEBUG_PORT }} --api-version=2 {{ .CMD_PACKAGE }} --build-flags="-tags debug" -- serve --config ./examples/goveal.yaml ./examples/slides.md
+
+  snapshot-release:
+    cmds:
+      - goreleaser --snapshot --skip-publish --rm-dist
+
+  tools:
+    cmds:
+      - go get -u github.com/markbates/pkger/cmd/pkger
+
+  download-reveal:
+    cmds:
+      - rm -rf ./assets/reveal
+      - mkdir -p ./assets/reveal
+      - curl -sL https://github.com/hakimel/reveal.js/archive/{{ .REVEALJS_VERSION }}.tar.gz | tar -xvz --strip-components=1 -C ./assets/reveal --wildcards "*.js" --wildcards "*.css" --wildcards "*.html" --wildcards "*.woff" --wildcards "*.ttf" --exclude "test" --exclude "gruntfile.js" --exclude "examples/*.html"
+      - mkdir -p ./assets/reveal/plugin/menu ./assets/reveal/plugin/mouse-pointer
+      - git clone https://github.com/denehyg/reveal.js-menu.git ./assets/reveal/plugin/menu
+      - curl -L -o ./assets/reveal/plugin/mouse-pointer/mouse-pointer.js https://raw.githubusercontent.com/caiofcm/plugin-revealjs-mouse-pointer/master/mouse-pointer.js
+      - rm -f ./assets/reveal/plugin/menu/{bower.json,CONTRIBUTING.md,LICENSE,package.json,README.md,.gitignore,gulpfile.js,package-lock.json}

assets/template/reveal-markdown.tmpl

@@ -6,18 +6,18 @@
 
     <title>goveal</title>
 
-    <link rel="stylesheet" href="/reveal/dist/reveal.css">
+    <link rel="stylesheet" href="/dist/reveal.css">
-    <link rel="stylesheet" href="/reveal/dist/reset.css">
+    <link rel="stylesheet" href="/dist/reset.css">
-    <link rel="stylesheet" href="/reveal/dist/theme/{{ .Reveal.Theme }}.css" id="theme">
+    <link rel="stylesheet" href="/dist/theme/{{ .Reveal.Theme }}.css" id="theme">
 
-    <link rel="stylesheet" href="/reveal/plugin/highlight/{{ .Reveal.CodeTheme }}.css">
+    <link rel="stylesheet" href="/plugin/highlight/{{ .Reveal.CodeTheme }}.css">
 </head>
 
 <body>
 
 <div class="reveal">
     <div class="slides">
-        <section data-markdown="/markdown/content.md"
+        <section data-markdown="/content.md"
                  data-separator="^\n{{ .Reveal.HorizontalSeparator }}\n"
                  data-separator-vertical="^\n{{ .Reveal.VerticalSeparator }}\n"
                  data-separator-notes="^Note:"
@@ -26,11 +26,11 @@
     </div>
 </div>
 
-<script src="/reveal/dist/reveal.js"></script>
+<script src="/dist/reveal.js"></script>
-<script src="/reveal/plugin/markdown/markdown.js"></script>
+<script src="/plugin/markdown/markdown.js"></script>
-<script src="/reveal/plugin/highlight/highlight.js"></script>
+<script src="/plugin/highlight/highlight.js"></script>
-<script src="/reveal/plugin/notes/notes.js"></script>
+<script src="/plugin/notes/notes.js"></script>
-<script src="/reveal/plugin/menu/menu.js"></script>
+<script src="/plugin/menu/menu.js"></script>
 
 <script>
     Reveal.initialize({
@@ -60,17 +60,17 @@
                 }
             ],
             themes: [
-                {name: 'Beige', theme: '/reveal/dist/theme/beige.css'},
+                {name: 'Beige', theme: '/dist/theme/beige.css'},
-                {name: 'Black', theme: '/reveal/dist/theme/black.css'},
+                {name: 'Black', theme: '/dist/theme/black.css'},
-                {name: 'Blood', theme: '/reveal/dist/theme/blood.css'},
+                {name: 'Blood', theme: '/dist/theme/blood.css'},
-                {name: 'League', theme: '/reveal/dist/theme/league.css'},
+                {name: 'League', theme: '/dist/theme/league.css'},
-                {name: 'Moon', theme: '/reveal/dist/theme/moon.css'},
+                {name: 'Moon', theme: '/dist/theme/moon.css'},
-                {name: 'Night', theme: '/reveal/dist/theme/night.css'},
+                {name: 'Night', theme: '/dist/theme/night.css'},
-                {name: 'Serif', theme: '/reveal/dist/theme/serif.css'},
+                {name: 'Serif', theme: '/dist/theme/serif.css'},
-                {name: 'Simple', theme: '/reveal/dist/theme/simple.css'},
+                {name: 'Simple', theme: '/dist/theme/simple.css'},
-                {name: 'Sky', theme: '/reveal/dist/theme/sky.css'},
+                {name: 'Sky', theme: '/dist/theme/sky.css'},
-                {name: 'Solarized', theme: '/reveal/dist/theme/solarized.css'},
+                {name: 'Solarized', theme: '/dist/theme/solarized.css'},
-                {name: 'White', theme: '/reveal/dist/theme/white.css'}
+                {name: 'White', theme: '/dist/theme/white.css'}
             ],
             transitions: true,
         },
@@ -82,7 +82,7 @@
     var additionalStyleSheet = document.createElement('link');
     additionalStyleSheet.rel = 'stylesheet';
     additionalStyleSheet.type = 'text/css';
-    additionalStyleSheet.href = '/local/{{- $style }}';
+    additionalStyleSheet.href = '/{{- $style }}';
     document.getElementsByTagName('head')[0].appendChild(additionalStyleSheet);
     {{ end}}
     {{ end }}

download_revealjs.sh

@@ -1,19 +0,0 @@
-#!/usr/bin/env bash
-
-mkdir -p ./assets/reveal
-curl -sL "https://github.com/hakimel/reveal.js/archive/${1:-3.8.0}.tar.gz" | tar -xvz --strip-components=1 -C ./assets/reveal \
-                                                                                                                --wildcards *.js \
-                                                                                                                --wildcards *.css \
-                                                                                                                --wildcards *.html \
-                                                                                                                --wildcards *.woff \
-                                                                                                                --wildcards *.ttf \
-                                                                                                                --exclude test \
-                                                                                                                --exclude gruntfile.js
-mkdir -p ./assets/reveal/plugin/
-git clone https://github.com/denehyg/reveal.js-menu.git ./assets/reveal/plugin/menu
-
-rm -f ./assets/reveal/plugin/menu/bower.json
-rm -f ./assets/reveal/plugin/menu/CONTRIBUTING.md
-rm -f ./assets/reveal/plugin/menu/LICENSE
-rm -f ./assets/reveal/plugin/menu/package.json
-rm -f ./assets/reveal/plugin/menu/README.md

examples/slides.md

@@ -40,7 +40,7 @@ Content 3.2
 
 ## External 4.1
 
-![Local image](/local/examples/gopher.jpg)
+![Local image](/examples/gopher.jpg)
 
 ---
 

go.mod

@@ -4,9 +4,9 @@ go 1.15
 
 require (
 	github.com/fsnotify/fsnotify v1.4.9
-	github.com/markbates/pkger v0.17.0
+	github.com/markbates/pkger v0.17.1
 	github.com/mitchellh/go-homedir v1.1.0
-	github.com/sirupsen/logrus v1.6.0
+	github.com/sirupsen/logrus v1.7.0
-	github.com/spf13/cobra v1.0.0
+	github.com/spf13/cobra v1.1.1
 	github.com/spf13/viper v1.7.1
 )

go.sum

@@ -53,6 +53,8 @@ github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/gobuffalo/here v0.6.0 h1:hYrd0a6gDmWxBM4TnrGw8mQg24iSVoIkHEk7FodQcBI=
 github.com/gobuffalo/here v0.6.0/go.mod h1:wAG085dHOYqUpf+Ap+WOdrPTp5IYcDAs/x7PLa8Y5fM=
+github.com/gobuffalo/here v0.6.2 h1:ZtCqC7F9ou3moLbYfHM1Tj+gwHGgWhjyRjVjsir9BE0=
+github.com/gobuffalo/here v0.6.2/go.mod h1:D75Sq0p2BVHdgQu3vCRsXbg85rx943V19urJpqAVWjI=
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
@@ -114,9 +116,12 @@ github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+o
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3 h1:CE8S1cTafDpPvMhIxNJKvHsGVBgn1xWYf1NbHQhywc8=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pretty v0.2.0 h1:s5hAObm+yFO5uHYt5dYjxi2rXrsnmRpJx4OYvIWUaQs=
+github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
@@ -124,8 +129,10 @@ github.com/magiconair/properties v1.8.0 h1:LLgXmsheXeRoUOBOjtwPQCWIYqM/LU1ayDtDe
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/magiconair/properties v1.8.1 h1:ZC2Vc7/ZFkGmsVC9KvOjumD+G5lXy2RtTKyzRKO2BQ4=
 github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
-github.com/markbates/pkger v0.17.0 h1:RFfyBPufP2V6cddUyyEVSHBpaAnM1WzaMNyqomeT+iY=
+github.com/magiconair/properties v1.8.4 h1:8KGKTcQQGm0Kv7vEbKFErAoAOFyyacLStRtQSeYtvkY=
-github.com/markbates/pkger v0.17.0/go.mod h1:0JoVlrol20BSywW79rN3kdFFsE5xYM+rSCQDXbLhiuI=
+github.com/magiconair/properties v1.8.4/go.mod h1:y3VJvCyxH9uVvJTWEGAELF3aiYNyPKd5NZ3oSwXrF60=
+github.com/markbates/pkger v0.17.1 h1:/MKEtWqtc0mZvu9OinB9UzVN9iYCwLWuyUv4Bw+PCno=
+github.com/markbates/pkger v0.17.1/go.mod h1:0JoVlrol20BSywW79rN3kdFFsE5xYM+rSCQDXbLhiuI=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-isatty v0.0.3/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
@@ -140,6 +147,8 @@ github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0Qu
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
+github.com/mitchellh/mapstructure v1.4.0 h1:7ks8ZkOP5/ujthUsT07rNv+nkLXCQWKNHuwzOAesEks=
+github.com/mitchellh/mapstructure v1.4.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U=
@@ -147,8 +156,11 @@ github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pelletier/go-toml v1.2.0 h1:T5zMGML61Wp+FlcbWjRDT7yAxhJNAiPPLOFECq181zc=
 github.com/pelletier/go-toml v1.2.0/go.mod h1:5z9KED0ma1S8pY6P1sdut58dfprrGBbd/94hg7ilaic=
+github.com/pelletier/go-toml v1.8.1 h1:1Nf83orprkJyknT6h7zbuEGUEjcyVlCxSUGTENmNCRM=
+github.com/pelletier/go-toml v1.8.1/go.mod h1:T2/BmBdy8dvIRq1a/8aqjN41wvWlN4lrapLU/GW4pbc=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/sftp v1.10.1/go.mod h1:lYOWFsE0bwd1+KfKJaKeuokY15vzFx25BLbzYYoAxZI=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/posener/complete v1.1.1/go.mod h1:em0nMJCgc9GFtwrmVmEMR/ZL6WyhyjMBndrE9hABlRI=
@@ -170,6 +182,8 @@ github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeV
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.6.0 h1:UBcNElsrwanuuMsnGSlYmtmgbb23qDR5dG+6X6Oo89I=
 github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
+github.com/sirupsen/logrus v1.7.0 h1:ShrD1U9pZB12TX0cVy0DtePoCH97K8EtX+mg7ZARUtM=
+github.com/sirupsen/logrus v1.7.0/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
 github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
@@ -178,16 +192,27 @@ github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4k
 github.com/spaolacci/murmur3 v0.0.0-20180118202830-f09979ecbc72/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2Kzu9HwQUA=
 github.com/spf13/afero v1.1.2 h1:m8/z1t7/fwjysjQRYbP0RD+bUIF/8tJwPdEZsI83ACI=
 github.com/spf13/afero v1.1.2/go.mod h1:j4pytiNVoe2o6bmDsKpLACNPDBIoEAkihy7loJ1B0CQ=
+github.com/spf13/afero v1.4.1 h1:asw9sl74539yqavKaglDM5hFpdJVK0Y5Dr/JOgQ89nQ=
+github.com/spf13/afero v1.4.1/go.mod h1:Ai8FlHk4v/PARR026UzYexafAt9roJ7LcLMAmO6Z93I=
 github.com/spf13/cast v1.3.0 h1:oget//CVOEoFewqQxwr0Ej5yjygnqGkvggSE/gB35Q8=
 github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
+github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=
+github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cobra v1.0.0 h1:6m/oheQuQ13N9ks4hubMG6BnvwOeaJrqSPLahSnczz8=
 github.com/spf13/cobra v1.0.0/go.mod h1:/6GTrnGXV9HjY+aR4k0oJ5tcvakLuG6EuKReYlHNrgE=
+github.com/spf13/cobra v1.1.1 h1:KfztREH0tPxJJ+geloSLaAkaPkr4ki2Er5quFV1TDo4=
+github.com/spf13/cobra v1.1.1/go.mod h1:WnodtKOvamDL/PwE2M4iKs8aMDBZ5Q5klgD3qfVJQMI=
 github.com/spf13/jwalterweatherman v1.0.0 h1:XHEdyB+EcvlqZamSM4ZOMGlc93t6AcsBEu9Gc1vn7yk=
 github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
+github.com/spf13/jwalterweatherman v1.1.0 h1:ue6voC5bR5F8YxI5S67j9i582FU4Qvo2bmqnqMYADFk=
+github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.4.0 h1:yXHLWeravcrgGyFSyCgdYpXQ9dR9c/WED3pg1RhxqEU=
 github.com/spf13/viper v1.4.0/go.mod h1:PTJ7Z/lr49W6bUbkmS1V3by4uWynFiR9p7+dSq/yZzE=
+github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
 github.com/spf13/viper v1.7.1 h1:pM5oEahlgWv/WnHXpgbKz7iLIxRf65tye2Ci+XFK5sk=
 github.com/spf13/viper v1.7.1/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5qpdg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
@@ -196,6 +221,8 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
+github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/subosito/gotenv v1.2.0 h1:Slr1R9HxAlEKefgq5jn9U+DnETlIUa6HfgEzj0g5d7s=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
@@ -213,6 +240,7 @@ golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnf
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190306152737-a1d7652674e8/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/exp v0.0.0-20190510132918-efd6b22b2522/go.mod h1:ZjyILWgesfNpC6sMxTJOJm9Kp84zZh5NQWvqDGG3Qr8=
@@ -270,11 +298,18 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9 h1:L2auWcuQIvxz9xSEqzESnV/QN/gNRXNApHi3fYwl2w0=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3 h1:kzM6+9dur93BcC2kVlYl34cHU+TYZLanmpSJHVMmL64=
+golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.4 h1:0YWbFKbhXG/wIiuHDSKpS0Iy7FSA+u45VtBMfQcFTTc=
+golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -321,9 +356,13 @@ gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLks
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/ini.v1 v1.51.0 h1:AQvPpx3LzTDM0AjnIRlVFwFFGC+npRopjZxLJj6gdno=
 gopkg.in/ini.v1 v1.51.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU=
+gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -332,6 +371,10 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.7 h1:VUgggvou5XRW9mHwD/yXxIYSMtY0zoKQf/v226p2nyo=
 gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
+gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

internal/app/cmd/root.go

@@ -39,7 +39,6 @@ var (
 	navigationMode        string
 	horizontalSeparator   string
 	verticalSeparator     string
-	showSlideNumbers      bool
 	slideNumberVisibility string
 	slideNumberFormat     string
 	rootCmd               = &cobra.Command{

internal/app/cmd/serve.go

@@ -15,12 +15,14 @@
 package cmd
 
 import (
+	"errors"
 	"fmt"
+	"net/http"
+
 	"github.com/baez90/go-reveal-slides/internal/app/rendering"
+	"github.com/baez90/go-reveal-slides/internal/app/routing"
 	"github.com/markbates/pkger"
 	"github.com/spf13/cobra"
-	"net/http"
-	"os"
 
 	log "github.com/sirupsen/logrus"
 )
@@ -33,43 +35,47 @@ var (
 		Args:  cobra.ExactArgs(1),
 		Short: "",
 		Long:  ``,
-		Run: func(cmd *cobra.Command, args []string) {
+		RunE: func(cmd *cobra.Command, args []string) (err error) {
 
-			tmplRenderer, err := rendering.NewRevealRenderer(&params)
+			router := &routing.RegexpRouter{}
-
+			var tmplRenderer rendering.RevealRenderer
-			if err != nil {
+			if tmplRenderer, err = rendering.NewRevealRenderer(&params); err != nil {
 				log.Errorf("Failed to initialize reveal renderer due to error: %v", err)
-				os.Exit(1)
+				return
 			}
 
-			markdownHandler, err := rendering.NewMarkdownHandler(args[0])
+			log.Info("Setup template renderer")
-			if err != nil {
+			if err = router.AddRule(`^(/(index.html(l)?)?)?$`, tmplRenderer); err != nil {
-				log.Errorf("Failed to initialize reveal renderer due to error: %v", err)
+				return
-				os.Exit(1)
 			}
 
-			// Packr2 handler to serve Reveal.js assets
+			var markdownHandler rendering.MarkdownHandler
-			log.Info("Setup reveal assets under route /reveal/ route...")
+			if markdownHandler, err = rendering.NewMarkdownHandler(args[0]); err != nil {
-			http.Handle("/reveal/", http.StripPrefix("/reveal/", http.FileServer(pkger.Dir("/assets/reveal"))))
+				log.Errorf("Failed to initialize reveal renderer due to error: %v", err)
-
+				return
-			// Static file handler under subroute to serve static files e.g. images
+			}
-			log.Info("Setup static file serving under /local/ route...")
-			fs := http.FileServer(http.Dir("."))
-			http.Handle("/local/", http.StripPrefix("/local/", fs))
 
 			// single file handler that only delivers the single Markdown file containing the slides
-			log.Info("Setup markdown handler under /markdown/content.md route...")
+			log.Info("Setup markdown handler for any *.md file...")
-			http.Handle("/markdown/", markdownHandler)
+			if err = router.AddRule(".*\\.md$", markdownHandler); err != nil {
+				return
+			}
 
-			// entrypoint that delivers the rendered reveal.js index HTML page
+			layeredHandler := &routing.LayeredHandler{}
-			http.Handle("/", tmplRenderer)
+			layeredHandler.AddHandlers(pkger.Dir("/assets/reveal"), http.Dir("."))
+
+			log.Info("Setup local file system and Reveal assets under / route")
+			if err = router.AddRule("/.+", layeredHandler); err != nil {
+				return
+			}
 
 			// start HTTP server
 			hostPort := fmt.Sprintf("%s:%d", host, port)
 			log.Infof("Running at addr http://%s/", hostPort)
-			if err := http.ListenAndServe(hostPort, nil); err != nil {
+			if err = http.ListenAndServe(hostPort, router); err != nil && errors.Is(err, http.ErrServerClosed) {
-				log.Error("Error while running serve command: %v", err)
+				log.Errorf("Error while running serve command: %v", err)
 			}
+			return nil
 		},
 	}
 )

internal/app/routing/layered_fs.go

@@ -0,0 +1,41 @@
+package routing
+
+import (
+	"errors"
+	"net/http"
+	"path/filepath"
+)
+
+type LayeredHandler struct {
+	layers []http.FileSystem
+}
+
+func (l *LayeredHandler) AddHandlers(layers ...http.FileSystem) {
+	l.layers = append(l.layers, layers...)
+}
+
+func (l LayeredHandler) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
+	_, fileName := filepath.Split(request.URL.Path)
+	f, err := l.selectLayer(request.URL.Path)
+	if err != nil {
+		writer.WriteHeader(404)
+		return
+	}
+	defer f.Close()
+	stat, err := f.Stat()
+	if err != nil {
+		writer.WriteHeader(500)
+		return
+	}
+	http.ServeContent(writer, request, fileName, stat.ModTime(), f)
+}
+
+func (l LayeredHandler) selectLayer(requestedFilePath string) (f http.File, err error) {
+	for idx := range l.layers {
+		layer := l.layers[idx]
+		if f, err = layer.Open(requestedFilePath); err == nil {
+			return
+		}
+	}
+	return nil, errors.New("not found")
+}

internal/app/routing/regexp_router.go

@@ -0,0 +1,38 @@
+package routing
+
+import (
+	"net/http"
+	"regexp"
+)
+
+type regexpRule struct {
+	pattern *regexp.Regexp
+	handler http.Handler
+}
+
+type RegexpRouter struct {
+	rules []regexpRule
+}
+
+func (r *RegexpRouter) AddRule(pattern string, handler http.Handler) (err error) {
+	var exp *regexp.Regexp
+	if exp, err = regexp.Compile(pattern); err != nil {
+		return
+	}
+	r.rules = append(r.rules, regexpRule{
+		pattern: exp,
+		handler: handler,
+	})
+	return
+}
+
+func (r *RegexpRouter) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
+	for idx := range r.rules {
+		rule := r.rules[idx]
+		if rule.pattern.MatchString(request.URL.Path) {
+			rule.handler.ServeHTTP(writer, request)
+			return
+		}
+	}
+	writer.WriteHeader(404)
+}