From ae1ba47a679903e6a1b98a5b1e00f65e32b082a3 Mon Sep 17 00:00:00 2001
From: Martin Fischer <martin@push-f.com>
Date: Fri, 31 Oct 2025 07:10:25 +0100
Subject: feat(workstation): add (nix-)direnv

---
 user/direnv/direnv.toml       |  4 ++++
 user/direnv/direnvrc          | 12 ++++++++++++
 user/zsh/zshrc-workstation.sh |  2 ++
 3 files changed, 18 insertions(+)
 create mode 100644 user/direnv/direnv.toml
 create mode 100644 user/direnv/direnvrc

(limited to 'user')

diff --git a/user/direnv/direnv.toml b/user/direnv/direnv.toml
new file mode 100644
index 0000000..1573479
--- /dev/null
+++ b/user/direnv/direnv.toml
@@ -0,0 +1,4 @@
+[global]
+# direnv by default prints which environment variables are being exported
+# Since nix-direnv sets quite a lot I'm filtering this out.
+log_filter = "^(un)?loading"
diff --git a/user/direnv/direnvrc b/user/direnv/direnvrc
new file mode 100644
index 0000000..f64197b
--- /dev/null
+++ b/user/direnv/direnvrc
@@ -0,0 +1,12 @@
+# direnv by default puts its cache in .direnv/ next to the .envrc.
+# I rather have my caches in ~/.cache.
+: "${XDG_CACHE_HOME:="${HOME}/.cache"}"
+declare -A direnv_layout_dirs
+direnv_layout_dir() {
+    local hash path
+    echo "${direnv_layout_dirs[$PWD]:=$(
+        hash="$(sha1sum - <<< "$PWD" | head -c40)"
+        path="${PWD//[^a-zA-Z0-9]/-}"
+        echo "${XDG_CACHE_HOME}/direnv/layouts/${hash}${path}"
+    )}"
+}
diff --git a/user/zsh/zshrc-workstation.sh b/user/zsh/zshrc-workstation.sh
index 9a255a7..b7458b0 100644
--- a/user/zsh/zshrc-workstation.sh
+++ b/user/zsh/zshrc-workstation.sh
@@ -17,6 +17,8 @@ path+=$CARGO_HOME/bin
 path+=$GOPATH/bin
 path+=$NPM_CONFIG_PREFIX/bin
 
+eval "$(direnv hook zsh)"
+
 function ssh() {
     # In my ~/.ssh/config I configure host-specific background colors, for example:
     #
-- 
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