diff --git a/home/.chezmoidata/packages.yaml b/home/.chezmoidata/packages.yaml
index ffe4da22..33887b70 100644
--- a/home/.chezmoidata/packages.yaml
+++ b/home/.chezmoidata/packages.yaml
@@ -126,6 +126,7 @@ packages:
         - twpayne.chezmoi
       full:
         - Fastfetch-cli.Fastfetch
+        - jdx.mise
         - Microsoft.VisualStudioCode
         - JanDeDobbeleer.OhMyPosh
         - Microsoft.WSL
diff --git a/home/.chezmoiscripts/linux/run_onchange_10-install-packages.sh.tmpl b/home/.chezmoiscripts/linux/run_onchange_10-install-packages.sh.tmpl
index efbfadef..8482db5d 100644
--- a/home/.chezmoiscripts/linux/run_onchange_10-install-packages.sh.tmpl
+++ b/home/.chezmoiscripts/linux/run_onchange_10-install-packages.sh.tmpl
@@ -26,11 +26,17 @@ brew_install_quiet() {
 		return 0
 	fi
 	log_step "Installing $pkg"
-	if output=$(brew install "$pkg" 2>&1); then
+	# Redirect brew output to a temp file rather than capturing it through a
+	# command-substitution pipe. Homebrew's concurrent output can raise
+	# "Error: Broken pipe" (SIGPIPE) when its stdout is a pipe rather than a
+	# TTY or regular file, which was breaking installs on WSL/Debian.
+	brew_log=$(mktemp)
+	trap 'rm -f "$brew_log"' RETURN
+	if brew install "$pkg" >"$brew_log" 2>&1; then
 		log_result "Installed $pkg"
 	else
 		log_warn "Failed to install $pkg"
-		printf '%s\n' "$output" | log_data WARN "brew output"
+		log_data WARN "brew output" <"$brew_log"
 	fi
 }
 
@@ -43,11 +49,14 @@ brew_install_cask_quiet() {
 		return 0
 	fi
 	log_step "Installing $pkg (cask)"
-	if output=$(brew install --cask "$pkg" 2>&1); then
+	# See brew_install_quiet: redirect to a file to avoid SIGPIPE/"Broken pipe".
+	brew_log=$(mktemp)
+	trap 'rm -f "$brew_log"' RETURN
+	if brew install --cask "$pkg" >"$brew_log" 2>&1; then
 		log_result "Installed $pkg (cask)"
 	else
 		log_warn "Failed to install $pkg (cask)"
-		printf '%s\n' "$output" | log_data WARN "brew output"
+		log_data WARN "brew output" <"$brew_log"
 	fi
 }
 
@@ -66,11 +75,14 @@ mas_install_quiet() {
 		return 0
 	fi
 	log_step "Installing $app_name ($app_id)"
-	if output=$(mas install "$app_id" 2>&1); then
+	# See brew_install_quiet: redirect to a file to avoid SIGPIPE/"Broken pipe".
+	mas_log=$(mktemp)
+	trap 'rm -f "$mas_log"' RETURN
+	if mas install "$app_id" >"$mas_log" 2>&1; then
 		log_result "Installed $app_name ($app_id)"
 	else
 		log_warn "Failed to install $app_name ($app_id)"
-		printf '%s\n' "$output" | log_data WARN "mas output"
+		log_data WARN "mas output" <"$mas_log"
 	fi
 }
 
diff --git a/tests/bash/test-chezmoi-scripts.bats b/tests/bash/test-chezmoi-scripts.bats
index e7ec4b5f..61340c1c 100644
--- a/tests/bash/test-chezmoi-scripts.bats
+++ b/tests/bash/test-chezmoi-scripts.bats
@@ -176,6 +176,14 @@ strip_template() {
 	grep -q 'index .packages.darwin.brew "app-store"' "$script"
 }
 
+@test "chezmoi-scripts: install-packages captures brew output via temp file (avoids broken pipe)" {
+	local script="$LINUX_SCRIPTS_DIR/run_onchange_10-install-packages.sh.tmpl"
+	# Output must be redirected to a file, not captured through a
+	# command-substitution pipe (which triggers Homebrew "Broken pipe" on WSL).
+	grep -q 'brew install "\$pkg" >"\$brew_log" 2>&1' "$script"
+	! grep -q 'output=\$(brew install' "$script"
+}
+
 @test "chezmoi-scripts: install-packages references nested darwin brew formulas" {
 	local script="$LINUX_SCRIPTS_DIR/run_onchange_10-install-packages.sh.tmpl"
 	grep -q '\.packages\.darwin\.brew\.formulas\.' "$script"