cleanup on prepature exits when self-generated data has been produced

libisoburn/trunk/releng/releng_isojigdo

@@ -25,6 +25,7 @@ RES=""
 REMOTE_URL="http://cdimage.debian.org/cdimage/daily-builds/daily/current/i386/iso-cd"
 REMOTE_IMG="debian-testing-i386-businesscard.iso"
 
+#####
 print_help() {
  cat << HLP
 Usage:
@@ -41,23 +42,27 @@ Usage:
 HLP
 }
 
+#####
 cleanup() {
-  # safety net, just in case -> we want to be in the starting
-  # directory before removing whatever self-generated stuff
-  cd "${START_DIR_DONT_CHANGE}" || exit 15
-  chmod +w -R ${GEN_DATA_DIR}
-  rm -rf ${GEN_DATA_DIR}
-  printf "${SELF}: Removed %s\n" ${GEN_DATA_DIR}
+ if [ ${KEEP} -eq 0 ]; then
+   # safety net, just in case -> we want to be in the starting
+   # directory before removing whatever self-generated stuff
+   if [ -d "${GEN_DATA_DIR}" ]; then
+       cd "${START_DIR_DONT_CHANGE}" || exit 15
+       chmod +w -R ${GEN_DATA_DIR}
+       rm -rf ${GEN_DATA_DIR}
+       printf "${SELF}: Removed %s\n" ${GEN_DATA_DIR}
+   else
+       printf "${SELF}: ${GEN_DATA_DIR} does not exist. Nothing to clean.\n"
+   fi
+ else
+   printf "${SELF}: Leaving %s\n" ${GEN_DATA_DIR}
+ fi 
 }
 
-#####################################################################
 # cleanup
 if [ "${1}" == "-cleanup" ]; then
- if [ -d "${GEN_DATA_DIR}" ]; then
-    cleanup
- else
-    printf "${SELF}: ${GEN_DATA_DIR} does not exist.\n"
- fi
+ cleanup
  exit 0
 fi
 
@@ -113,9 +118,7 @@ else
  mkdir "${GEN_DATA_DIR}"
 fi
 
-
-
-# all must be set at this point
+# All must be set at this point
 printf "${SELF}: Config items:"
 printf "\n\txorriso_cmd=${RELENG_XORRISO}\n\tIN_dir=${RELENG_DIR}\n\tOUT_image=${RELENG_IMG}.iso"
 printf "\n\tIN_isolinux=${RELENG_ISOLINUX_BIN}\n\tOUT_bootcat=${RELENG_BOOT_CAT}\n"
@@ -126,6 +129,7 @@ RES="${RELENG_IMG}.iso ${RELENG_IMG}.new ${RELENG_IMG}.md5 ${RELENG_IMG}.jigdo $
 if ! "${RELENG_XORRISO}" -version | grep libjte >/dev/null 2>&1; then
  printf "\n${SELF}: JTE not supported with this xorriso build. Install jigit and rebuild."
  printf "\n${SELF}: See http://www.einval.com/~steve/software/JTE/\n"
+ cleanup
  exit 9
 fi
 
@@ -144,6 +148,7 @@ if [ ! -f "${TMP_DATA_DIR}"/"${REMOTE_IMG}" ]; then
      ;;
      *)
       echo -e "\n${SELF}: FAIL: wget returned code: $WGET_RET\n"
+      cleanup
       exit 10
      ;;
  esac
@@ -154,6 +159,7 @@ fi
 # check for extraction directory existence
 if [ -d "${IMG_EXTRACT_DIR}" ]; then
  printf "\n${SELF}: Found ${IMG_EXTRACT_DIR}. Please cleanup.\n"
+ cleanup
  exit 11
 else
  mkdir "${IMG_EXTRACT_DIR}"
@@ -181,6 +187,7 @@ if [ -x "${MKFS_MSDOS}" ]; then
 else
  printf "\n${SELF}: Not found: "${MKFS_MSDOS}". Install dosfstools."
  printf "\n${SELF}: http://www.daniel-baumann.ch/software/dosfstools/\n"
+ cleanup
  exit 12
 fi
 
@@ -207,6 +214,7 @@ CMD+="\
 "
 else
  printf "\n${SELF}: FAIL to compose the boot section.\n"
+ cleanup
  exit 13
 fi
 
@@ -225,6 +233,7 @@ if which jigdo-gen-md5-list >/dev/null 2>&1; then
 else
  printf "\n${SELF}: Not found: jigdo-gen-md5-list. Install jigit."
  printf "\n${SELF}: See http://www.einval.com/~steve/software/JTE/\n"
+ cleanup
  exit 14
 fi
 
@@ -257,6 +266,7 @@ if which jigit-mkimage >/dev/null 2>&1; then
 else
  printf "\n${SELF}: Not found: jigit-mkimage. Install jigit."
  printf "\n${SELF}: See http://www.einval.com/~steve/software/JTE/\n"
+ cleanup
  exit 15
 fi
 
@@ -273,11 +283,7 @@ case ${DIFF_RET} in
 esac
 
 # sort out the cruft
-if [ ${KEEP} -eq 0 ]; then
- cleanup
-else
- printf "${SELF}: Leaving %s\n" ${GEN_DATA_DIR}
-fi
+cleanup
 
 # last hints
 printf "\n${SELF}: HINT: manual checks remained to be done:\n"