refactor: try to detect usershell on runtimeHEADmain

1 files changed, 5 insertions, 0 deletions

diff --git a/build-jupyterlab.sh b/build-jupyterlab.sh
index 66f3423..6aa0def 100755
--- a/build-jupyterlab.sh
+++ b/build-jupyterlab.sh
@@ -168,6 +168,11 @@ cat > "${APPDIR}/AppRun" << 'APPRUN_EOF'
 SELF="$(readlink -f "$0")"
 HERE="$(dirname "$SELF")"
 CONDA="${HERE}/usr/lib/miniforge"
+_user_shell="$(awk -F: -v uid="$(id -u 2>/dev/null || echo '')" '$3==uid{print $7; exit}' /etc/passwd 2>/dev/null)"
+[ -x "$_user_shell" ] || _user_shell="${SHELL:-}"
+[ -x "$_user_shell" ] || _user_shell="/bin/bash"
+[ -x "$_user_shell" ] || _user_shell="/bin/sh"
+export SHELL="$_user_shell"
 export PYTHONHOME="${CONDA}"
 export PATH="${CONDA}/bin:${PATH}"
 export TERMINFO_DIRS="${CONDA}/share/terminfo:/usr/share/terminfo:/lib/terminfo:/etc/terminfo"