test: use mire to record some e2e tests for itself

2026-03-25 21:03:13 +00:00
parent 952211ef93
commit 526e31d0b0
21 changed files with 345 additions and 2 deletions
@@ -0,0 +1,96 @@
+#!/bin/sh
+set -eu
+
+host_home=${MIRE_HOST_HOME:?}
+host_tmp=${MIRE_HOST_TMP:?}
+path_env=${MIRE_PATH_ENV:?}
+visible_home=${MIRE_HOME:?}
+bootstrap_rc="$host_home/.mire-shell-rc"
+visible_bootstrap_rc="$visible_home/.mire-shell-rc"
+setup_scripts_dir='/tmp/mire-setup-scripts'
+visible_bin_dir='/tmp/mire/bin'
+
+cat >"$bootstrap_rc" <<'EOF'
+cd "${HOME:?}"
+
+for path in /tmp/mire-setup-scripts/*.sh; do
+  [ -e "$path" ] || continue
+  cd "${HOME:?}"
+  source "$path"
+  cd "${HOME:?}"
+done
+
+if [ "${MIRE_COMPARE_MARKER:-0}" = "1" ]; then
+  __mire_prompt_ready_original=${PROMPT_COMMAND-}
+  __mire_prompt_ready() {
+    printf '__MIRE_PROMPT_READY__\n'
+    if [ -n "${__mire_prompt_ready_original:-}" ]; then
+      PROMPT_COMMAND=$__mire_prompt_ready_original
+      eval "$PROMPT_COMMAND"
+    else
+      unset PROMPT_COMMAND
+    fi
+  }
+  PROMPT_COMMAND=__mire_prompt_ready
+fi
+unset MIRE_COMPARE_MARKER
+EOF
+
+# the first ro-bind allows for /usr/bin etc to be mounted and accessible
+set -- \
+  --ro-bind / / \
+  --tmpfs /home \
+  --bind "$host_home" "$visible_home" \
+  --bind "$host_tmp" '/tmp' \
+  --dev /dev \
+  --proc /proc \
+  --unshare-pid \
+  --die-with-parent \
+  --setenv HISTFILE '/dev/null' \
+  --setenv HOME "$visible_home" \
+  --setenv LANG 'C' \
+  --setenv LC_ALL 'C' \
+  --setenv PAGER 'cat' \
+  --setenv PATH "$visible_bin_dir:$path_env" \
+  --setenv PS1 '$ ' \
+  --setenv TERM 'xterm-256color' \
+  --setenv TMPDIR '/tmp' \
+  --setenv TZ 'UTC' \
+  --chdir "$visible_home"
+
+set -- "$@" --dir /tmp/mire --dir "$visible_bin_dir"
+
+if [ -n "${MIRE_SETUP_SCRIPTS:-}" ]; then
+  i=1
+  while IFS= read -r host_path || [ -n "$host_path" ]; do
+    [ -n "$host_path" ] || continue
+    visible_path=$(printf '%s/%03d.sh' "$setup_scripts_dir" "$i")
+    set -- "$@" --ro-bind "$host_path" "$visible_path"
+    i=$((i + 1))
+  done <<EOF
+${MIRE_SETUP_SCRIPTS-}
+EOF
+fi
+
+if [ -n "${MIRE_MOUNTS:-}" ]; then
+  while IFS= read -r mount || [ -n "$mount" ]; do
+    [ -n "$mount" ] || continue
+    host_path=${mount%%:*}
+    sandbox_path=${mount#*:}
+    set -- "$@" --ro-bind "$host_path" "$sandbox_path"
+  done <<EOF
+${MIRE_MOUNTS-}
+EOF
+fi
+
+if [ -n "${MIRE_PATHS:-}" ]; then
+  while IFS= read -r host_path || [ -n "$host_path" ]; do
+    [ -n "$host_path" ] || continue
+    visible_path=$visible_bin_dir/${host_path##*/}
+    set -- "$@" --ro-bind "$host_path" "$visible_path"
+  done <<EOF
+${MIRE_PATHS-}
+EOF
+fi
+
+exec bwrap "$@" bash --noprofile --rcfile "$visible_bootstrap_rc" -i