From c462f91020def82901a8f77606b184d32dc0de74 Mon Sep 17 00:00:00 2001
From: Mykola Malkov <mmalkov@sipwise.com>
Date: Wed, 12 Dec 2018 13:32:23 +0200
Subject: [PATCH] TT#48647 Add ability to use the specified file from current
 dir

It is useful to build sipwise image based on some custom grml image
which is absent on deb.sipwise.com.
Check if the specified file is already here in dir so do not need to
download it.

Change-Id: Ief24f7c42a1e5abce5af7c0aac93a5399b8294a1
---
 build_iso.sh | 35 +++++++++++++++++++++++++----------
 1 file changed, 25 insertions(+), 10 deletions(-)

diff --git a/build_iso.sh b/build_iso.sh
index 91da6cb..04b25b5 100755
--- a/build_iso.sh
+++ b/build_iso.sh
@@ -35,23 +35,36 @@ elif [ -z "${DIST}" ]; then
   usage
 fi
 
-if [ "${GRML_ISO}" != "" ]; then
-  if [[ "${GRML_ISO}" =~ ^devel/.*\.iso$ ]]; then
-    GRML_URL+="devel/"
-    GRML_HASH_URL+="devel/"
-  fi
+if [[ -n "${GRML_ISO}" ]]; then
   GRML_ISO=$(basename "${GRML_ISO}")
 else
   usage
 fi
 
-echo "*** Building ${MR} ISO ***"
+
+SCRIPT="$(readlink -f "$0")"
+SCRIPTPATH="$(dirname "${SCRIPT}")"
+pushd "${SCRIPTPATH}" &>/dev/null
 
 echo "*** Retrieving Grml ISO [${GRML_ISO}] ***"
-# shellcheck disable=SC2086
-wget ${WGET_OPT} -O "${GRML_ISO}" "${GRML_URL}${GRML_ISO}"
-# shellcheck disable=SC2086
-wget ${WGET_OPT} -O "${GRML_ISO}.sha1" "${GRML_HASH_URL}${GRML_ISO}.sha1"
+if [[ -f "${SCRIPTPATH}/${GRML_ISO}" ]]; then
+  echo "*** Grml ISO [${GRML_ISO}] is already here, checking sha1 file ***"
+  if [[ -f "${SCRIPTPATH}/${GRML_ISO}.sha1" ]]; then
+    echo "*** Grml ISO sha1 [${GRML_ISO}.sha1] is already here ***"
+  else
+    echo "*** Downloading Grml ISO sha1 [${GRML_ISO}.sha1] ***"
+    # shellcheck disable=SC2086
+    wget ${WGET_OPT} -O "${GRML_ISO}.sha1" "${GRML_HASH_URL}${GRML_ISO}.sha1"
+  fi
+else
+  echo "*** Downloading Grml ISO and sha1 files [${GRML_ISO}] ***"
+  # shellcheck disable=SC2086
+  wget ${WGET_OPT} -O "${GRML_ISO}" "${GRML_URL}${GRML_ISO}"
+  # shellcheck disable=SC2086
+  wget ${WGET_OPT} -O "${GRML_ISO}.sha1" "${GRML_HASH_URL}${GRML_ISO}.sha1"
+fi
+
+echo "*** Building ${MR} ISO ***"
 
 if grep -q "${GRML_ISO}" "${GRML_ISO}.sha1" ; then
   check_sha1 "${GRML_ISO}"
@@ -89,3 +102,5 @@ md5sum  "${SIPWISE_ISO}" > "${SIPWISE_ISO}.md5"
 mkdir -p artifacts
 echo "*** Moving ${SIPWISE_ISO} ${SIPWISE_ISO}.sha1 ${SIPWISE_ISO}.md5 to artifacts/ ***"
 mv "${SIPWISE_ISO}" "${SIPWISE_ISO}.sha1" "${SIPWISE_ISO}.md5" artifacts/
+
+popd &>/dev/null