devmode

lib/devmode.bash

@@ -12,11 +12,12 @@ function assert_normal_user {
 }
 
 function assert_credentials {
+  echo "check for credentials"
   local base_url
   base_url=$(echo "$GIT_URL" | cut -d: -f1)
   if ! ssh -T "${base_url}"; then
-    echo "credentials missing: $base_url"
+    >&2 echo "MIAOU ERROR: development mode unavailable because your credentials are missing: $base_url"
-    return 2
+    builtin exit 2
   fi
 }
 
@@ -31,11 +32,29 @@ function assert_reachable_target {
   sudo -u nobody -g sudo test -x "$(dirname "$target")"
 }
 
+function assert_devmode_available {
+  fetch_mode
+  if [[ "$MIAOU_BASH_MODE" == development ]]; then
+    local realpath
+    realpath=$(realpath "$MIAOU_BASH_DIR"/) # / is required to get real target
+    if [[ "$MIAOU_BASH_MODE_OWNER" == "$USER" ]]; then
+      echo "you are already in development mode, check for: $realpath"
+      return 10
+    else
+      >&2 echo "MIAOU ERROR: already in develoment mode, but owned by: $MIAOU_BASH_MODE_OWNER"
+      return 11
+    fi
+  elif [[ "$MIAOU_BASH_MODE" = hosted ]]; then
+    >&2 echo "MIAOU ERROR: hosted mode detected"
+    return 12
+  fi
+}
+
 # Main
 
 source "$MIAOU_BASH_DIR"/lib/functions.bash
 assert_normal_user
-assert_system_mode
+assert_devmode_available
 assert_credentials
 name=$(echo "$GIT_URL" | cut -d/ -f2)
 name="${name%.git}"

lib/functions.bash

@@ -16,6 +16,21 @@ function assert_container {
   [[ $(systemd-detect-virt -c) == lxc ]]
 }
 
+function fetch_mode {
+  [[ -v MIAOU_BASH_MODE ]] && return
+  MIAOU_BASH_MODE_OWNER=$(stat -c '%U' "$MIAOU_BASH_DIR"/)
+  if [[ -L "$MIAOU_BASH_DIR" ]]; then
+    MIAOU_BASH_MODE='development'
+  elif [[ "$MIAOU_BASH_MODE_OWNER" == root ]]; then
+    MIAOU_BASH_MODE='system'
+  elif [[ "$MIAOU_BASH_MODE_OWNER" == nobody ]]; then
+    MIAOU_BASH_MODE='hosted'
+  else
+    >&2 echo "MIAOU ERROR: unknown mode: $(realpath "$MIAOU_BASH_DIR") owned by: $MIAOU_BASH_MODE_OWNER" &&
+      return 3
+  fi
+}
+
 function assert_system_mode {
   [[ -L "$MIAOU_BASH_DIR" ]] &&
     >&2 echo "ERROR: development mode: $(realpath "$MIAOU_BASH_DIR")" &&