Avoid database starting when other devshell is already running, allow devshell in non-root folders

buildScripts/setupEnv.sh

@@ -1,3 +1,9 @@
+cd "$(git rev-parse --show-toplevel)"
+
+# Check for lock
+[ -f matabas-db/dev-lock ]
+IS_OWNER=$? # non-zero is owner
+
 set -e
 
 export PGPORT=2137
@@ -8,11 +14,15 @@ log() {
     printf "\e[1m\e[38;5;87m==>\e[0m\e[1m %s%s\e[0m\n" "$1" "${2:-.}"
 }
 
+# Only trapped if owner
 exitHook() {
+  cd "$(git rev-parse --show-toplevel)"
   log "Stoppar brevekorren"
   pg_ctl stop --pgdata=./matabas-db
+  rm -f matabas-db/dev-lock
 }
 
+setupDb() {
   log "Letar efter existerande brevekorresmapp"
   [ -d ./matabas-db ] || {
     log "Finns ej, skapar brevekorresmapp (./matabas-db)"
@@ -27,6 +37,8 @@ log "Letar efter existerande brevekorresmapp"
 
   log "Startar brevekorren"
   pg_ctl start --pgdata=./matabas-db --log=./matabas-db/matabas.log --options="-p $PGPORT -k /tmp"
+  log "Låser databasen"
+  :> matabas-db/dev-lock
   trap exitHook EXIT
 
   log "Skapar matabas"
@@ -34,6 +46,7 @@ createdb -h localhost -p "$PGPORT" matabas 2>>./matabas-db/matabas.log || log "M
 
   log "Ställer in schema.sql"
   psql -h localhost -p "$PGPORT" "$PBDATABASE" < schema.sql
+}
 
 P="$PWD"
 clean() {
@@ -45,6 +58,14 @@ build() {
   source "$P/buildScripts/build.sh"
 }
 
+if [ "$IS_OWNER" -ne 0 ] ; then
+  setupDb
+else
+  log "Startar som icke-ägare, startar ej databasen"
+fi
+
 log "Redo" "!"
 
 set +e
+
+cd - >/dev/null 2>&1