Auto-enter pixi shell for interactive terminals

Author: jslee02

.devcontainer/Dockerfile

@@ -17,6 +17,8 @@ RUN apt-get update -qq && apt-get install -y --no-install-recommends \
 ENV PIXI_HOME="/opt/pixi" PATH="/opt/pixi/bin:${PATH}"
 RUN curl -fsSL https://pixi.sh/install.sh | PIXI_VERSION=${PIXI_VERSION} PIXI_HOME=${PIXI_HOME} bash
 
+COPY .devcontainer/pixi-auto-shell.sh /etc/profile.d/pixi-auto-shell.sh
+
 WORKDIR /workspaces/dart
 
 ENTRYPOINT ["/usr/bin/tini", "--"]

.devcontainer/pixi-auto-shell.sh

@@ -0,0 +1,16 @@
+# Auto-enter the pixi environment for interactive shells.
+# Skips root, non-interactive sessions, and re-entry loops.
+
+case "$-" in
+    *i*) ;;
+    *) return 0 ;;
+esac
+
+[ "$(id -u)" -eq 0 ] && return 0
+[ -n "$PIXI_AUTO_SHELL" ] && return 0
+command -v pixi >/dev/null 2>&1 || return 0
+[ -f /workspaces/dart/pixi.toml ] || return 0
+
+export PIXI_AUTO_SHELL=1
+cd /workspaces/dart
+exec pixi shell