From 9a2e34ceb1cc7402439a9a77b20ac2f3a018d63e Mon Sep 17 00:00:00 2001
From: "Paulo F. Oliveira" <paulo.ferraz.oliveira@gmail.com>
Date: Mon, 7 Aug 2023 21:14:41 +0100
Subject: [PATCH 1/2] Make for faster CI by caching _build and ~/.cache/rebar3

---
 .github/workflows/ci.yml | 43 ++++++++++++++++++++++++++++++++++++----
 1 file changed, 39 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index bb33086..ec3bc9d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,12 +12,29 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: erlef/setup-beam@v1
+        id: setup-beam
         with:
           otp-version: ${{matrix.otp_vsn}}
           rebar3-version: ${{matrix.rebar3_vsn}}
-      - run: |
-          rm -rf example/_checkouts  # Prevent long running analysis
-          rebar3 test
+      - name: Restore _build
+        uses: actions/cache@v3
+        with:
+          path: _build
+          key: "_build-cache-for\
+                -os-${{runner.os}}\
+                -otp-${{steps.setup-beam.outputs.otp-version}}\
+                -rebar3-${{steps.setup-beam.outputs.rebar3-version}}\
+                -hash-${{hashFiles('rebar.lock')}}"
+      - name: Restore rebar3's cache
+        uses: actions/cache@v3
+        with:
+          path: ~/.cache/rebar3
+          key: "rebar3-cache-for\
+                -os-${{runner.os}}\
+                -otp-${{steps.setup-beam.outputs.otp-version}}\
+                -rebar3-${{steps.setup-beam.outputs.rebar3-version}}\
+                -hash-${{hashFiles('rebar.lock')}}"
+      - run: rebar3 test
   example:
     name: Makes sure our example run over ${{matrix.otp_vsn}}
     runs-on: ubuntu-22.04
@@ -28,9 +45,28 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: erlef/setup-beam@v1
+        id: setup-beam-example
         with:
           otp-version: ${{matrix.otp_vsn}}
           rebar3-version: ${{matrix.rebar3_vsn}}
+      - name: Restore _build
+        uses: actions/cache@v3
+        with:
+          path: example/_build
+          key: "_build-cache-for\
+                -os-${{runner.os}}\
+                -otp-${{steps.setup-beam-example.outputs.otp-version}}\
+                -rebar3-${{steps.setup-beam-example.outputs.rebar3-version}}\
+                -hash-${{hashFiles('rebar.lock')}}"
+      - name: Restore rebar3's cache
+        uses: actions/cache@v3
+        with:
+          path: ~/.cache/rebar3
+          key: "rebar3-cache-for\
+                -os-${{runner.os}}\
+                -otp-${{steps.setup-beam-example.outputs.otp-version}}\
+                -rebar3-${{steps.setup-beam-example.outputs.rebar3-version}}\
+                -hash-${{hashFiles('rebar.lock')}}"
       - name: test our example
         run: |
           cd example
@@ -54,5 +90,4 @@ jobs:
       - name: check our example
         run: |
           cd example
-          rm -rf _checkouts  # Prevent long running analysis
           rebar3 test

From 8fa1d46059ecff81e087f3945fbf00d229a1f274 Mon Sep 17 00:00:00 2001
From: "Paulo F. Oliveira" <paulo.ferraz.oliveira@gmail.com>
Date: Mon, 7 Aug 2023 21:35:49 +0100
Subject: [PATCH 2/2] Let the example format itself

It's already verified in CI in any case
Otherwise the base rebar.config kicks in and tries to verify
the format for _build (which is part of its pattern)
---
 rebar.config       | 7 ++-----
 src/trails.app.src | 3 ++-
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/rebar.config b/rebar.config
index dc1a843..57de771 100644
--- a/rebar.config
+++ b/rebar.config
@@ -30,16 +30,13 @@
 
 %% == Documentation ==
 
-{ex_doc,
- [{source_url, <<"https://github.com/inaka/cowboy-trails">>}
-  ]}.
+{ex_doc, [{source_url, <<"https://github.com/inaka/cowboy-trails">>}]}.
 
 {hex, [{doc, #{provider => ex_doc}}]}.
 
 %% == Format ==
 
-{format,
- [{files, ["*.config", "src/*", "test/*", "example/{rel,src,.}/*{.config,.erl,.src}"]}]}.
+{format, [{files, ["*.config", "src/*", "test/*"]}]}.
 
 %% == Hank ==
 
diff --git a/src/trails.app.src b/src/trails.app.src
index 31e91fe..82d7e9c 100644
--- a/src/trails.app.src
+++ b/src/trails.app.src
@@ -10,6 +10,7 @@
   {licenses, ["Apache 2.0"]},
   {links,
    [{"GitHub", "https://github.com/inaka/cowboy-trails"},
-    {"Blog", "https://web.archive.org/web/20160422045517/http://inaka.net/blog/2015/07/20/cowboy-trails/"},
+    {"Blog",
+     "https://web.archive.org/web/20160422045517/http://inaka.net/blog/2015/07/20/cowboy-trails/"},
     {"Example", "https://github.com/inaka/cowboy-trails/tree/master/example"}]},
   {build_tools, ["rebar3"]}]}.