use mustache instead of erlydtl for overlays

1 files changed, 63 insertions, 0 deletions

diff --git a/priv/templates/bin b/priv/templates/bin
new file mode 100755
index 0000000..dd11707
--- /dev/null
+++ b/priv/templates/bin
@@ -0,0 +1,63 @@
+#!/bin/sh
+
+set -e
+
+SCRIPT_DIR="$(dirname "$0")"
+RELEASE_ROOT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+REL_NAME="{{ rel_name }}"
+REL_VSN="{{ rel_vsn }}"
+ERTS_VSN="{{ erts_vsn }}"
+REL_DIR="$RELEASE_ROOT_DIR/releases/$REL_VSN"
+ERL_OPTS="{{ erl_opts }}"
+
+find_erts_dir() {
+    local erts_dir="$RELEASE_ROOT_DIR/erts-$ERTS_VSN"
+    if [ -d "$erts_dir" ]; then
+        ERTS_DIR="$erts_dir";
+        ROOTDIR="$RELEASE_ROOT_DIR"
+    else
+        local erl="$(which erl)"
+        code="io:format(\"~s\", [code:root_dir()]), halt()."
+        local erl_root="$("$erl" -noshell -eval "$code")"
+        ERTS_DIR="$erl_root/erts-$ERTS_VSN"
+        ROOTDIR="$erl_root"
+    fi
+}
+
+find_sys_config() {
+    local possible_sys="$REL_DIR/sys.config"
+    if [ -f "$possible_sys" ]; then
+        SYS_CONFIG="$possible_sys"
+    fi
+}
+
+find_vm_args() {
+    local possible_vm_args="$REL_DIR/vm.args"
+    if [ -f "$possible_vm_args" ]; then
+        VM_ARGS="$possible_vm_args"
+    fi
+}
+
+find_erts_dir
+find_sys_config
+find_vm_args
+export ROOTDIR="$RELEASE_ROOT_DIR"
+export BINDIR="$ERTS_DIR/bin"
+export EMU="beam"
+export PROGNAME="erl"
+export LD_LIBRARY_PATH="$ERTS_DIR/lib:$LD_LIBRARY_PATH"
+ERTS_LIB_DIR="$ERTS_DIR/../lib"
+[ -f "$REL_DIR/$REL_NAME.boot" ] && BOOTFILE="$REL_NAME" || BOOTFILE=start
+cd "$ROOTDIR"
+
+# Save extra arguments
+ARGS="$@"
+
+# Build arguments for erlexec
+set -- "$ERL_OPTS"
+[ "$SYS_CONFIG" ] && set -- "$@" -config "$SYS_CONFIG"
+[ "$VM_ARGS" ] && set -- "$@" -args_file "$VM_ARGS"
+set -- "$@" -boot_var ERTS_LIB_DIR "$ERTS_LIB_DIR" -boot "$REL_DIR/$BOOTFILE" "$ARGS"
+
+# Boot the release
+$BINDIR/erlexec $@