From 4f2744b4461b71e1cc3342403e200030963180f8 Mon Sep 17 00:00:00 2001
From: Lucas Pickering <lucas@lucaspickering.me>
Date: Fri, 10 May 2024 11:13:18 -0400
Subject: [PATCH] Add demo.sh check to prerelease hooks

---
 Cargo.toml      |  1 +
 RELEASE.md      |  1 +
 demo.sh         | 22 ++++++++++++++++++++--
 static/demo.gif |  4 ++--
 4 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 8701f854..c917065b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -61,6 +61,7 @@ inherits = "release"
 lto = "thin"
 
 [workspace.metadata.release]
+pre-release-hook = ["./demo.sh", "--check"]
 pre-release-replacements = [
   {file = "CHANGELOG.md", search = "## \\[Unreleased\\] - ReleaseDate", replace = "## [Unreleased] - ReleaseDate\n\n## [{{version}}] - {{date}}"},
 ]
diff --git a/RELEASE.md b/RELEASE.md
index b0fcfa52..490cd133 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -3,6 +3,7 @@
 It's easy!
 
 - Make sure `CHANGELOG.md` has the latest release notes under `[Unreleased] - ReleaseDate`
+- Regenerate the demo gif with `./demo.sh` (and commit changes)
 - `cargo release <major|minor|patch>`
   - If it looks good, add `--execute`
 
diff --git a/demo.sh b/demo.sh
index a4b9f6d3..29864ad3 100755
--- a/demo.sh
+++ b/demo.sh
@@ -2,5 +2,23 @@
 # Regenerate the demo GIF from the VHS tape
 # https://github.com/charmbracelet/vhs
 
-rm -rf data/ # Delete temp data so the GIF is consistent
-vhs static/demo.tape
+case $1 in
+    "--check")
+        latest_commit=$(git rev-parse HEAD)
+        latest_gif_commit=$(git log -n 1 --pretty=format:%H -- static/demo.gif)
+        if [ $latest_commit = $latest_gif_commit ]; then
+            echo "Good to go!"
+        else
+            echo "Demo gif is out of date"
+            echo "Run './demo.sh' to regenerate"
+            exit 1
+        fi
+        ;;
+    "")
+        rm -rf data/ # Delete temp data so the GIF is consistent
+        vhs static/demo.tape
+        ;;
+    *)
+        echo "Invalid args: $@"
+        exit 1
+esac
diff --git a/static/demo.gif b/static/demo.gif
index dbb08604..5ef5407a 100644
--- a/static/demo.gif
+++ b/static/demo.gif
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:b238e76fb3c5cb882c1f0b5d964fd2a6fe6b5aafdaef914d820a2ee42ec442e0
-size 365737
+oid sha256:8d9c3929ff233dbbd29e2787f628aa7e7269d63ae727bfbe9c71a119cf26cf64
+size 343035