banner.sh

   1 #!/bin/sh
   2 #
   3 # bug reports send to pzurowski@pld-linux.org or pld-devel-* lists
   4 #
   5 # 2004, GPL 2+
   6 #
   7 # >> PLACE STANDARD GPL DISCLAIMER   H E R E .  <<
   8 #
   9 CONFIG=/etc/sysconfig/banner
  10
  11 ####################################################### CONFIG ########
  12
  13 # default paramaters
  14 ##########################
  15
  16 BANNERDIR="/var/lib/banner/"
  17 # egrep regexp
  18 EXCLUDEFILES="(rpmnew$|rpmsave$|~$)"
  19
  20
  21 # config paramaeters
  22 ##########################
  23
  24 if [ -r $CONFIG ]; then
  25         . $CONFIG
  26 fi
  27
  28
  29 # override parameters
  30 ##########################
  31
  32 ALL_BANNERS=0
  33 BANNERS=""
  34 NOBANNERS=""
  35 BANNER_LIST=""
  36 CHOOSE_NEWER="no"
  37 CHOOSE_OLDER="no"
  38 EXCLUDE_FLAG=0
  39 NEED_BANNER_LIST=0
  40 NEED_MTIME_CHECK=0
  41 NEW_APPEND=0
  42 NEW_BANNER=""
  43 NEW_SHOW=0
  44
  45 #################################################### FUNCTIONS ########
  46
  47 Usage()
  48 {
  49         cat << EOF
  50 Usage:  $(basename $0) [opitions] [banners]
  51 EOF
  52 }
  53 Help()
  54 {
  55         Usage
  56         cat << EOF
  57 -a
  58 --all       - all banners
  59 --delete    - delete wanted banners
  60 -e
  61 --exclude   - exclude following banners (usefull with -a)
  62 -h
  63 --help      - shows this help
  64 -i
  65 --include   - cancels effect of -e (EXCLUDED banners will remain excluded)
  66 -m
  67 --make      - makes a brand-new banner named as following para [1] (from stdin)
  68 -M          - same as above, but append if file exists
  69 -n
  70 --names     - shows names of the banners
  71 --newer     - all choosen banners should be newer than following para in seconds
  72 --older     - all choosen banners should be older than following para in seconds
  73 -s
  74 --show      - shows wanted banners
  75 -u
  76 --usage     - shows short help
  77
  78 [1] - if there will be no slash ('/') in name then config dir will be used,
  79       else -- specified.
  80 EOF
  81 }
  82 Unknown_para()
  83 {
  84         cat << EOF
  85 Unknown parameter $1
  86 EOF
  87         Help
  88 }
  89 check_banner_name()
  90 {
  91         echo "$1"|sed 's,.*/,,'
  92 }
  93 check_banners_mtime()
  94 {
  95         BANNERS="$1"
  96         OLDER="$2"
  97         NEWER="$3"
  98         DATE=$(date +%s)
  99         for BANNER in $BANNERS;do
 100                 STAT=$(stat -c %Y "$BANNERDIR/$BANNER")
 101                 if [ $OLDER != "no" -a $(( $DATE - $STAT )) -lt $OLDER ]; then
 102                         BANNER=""
 103                 fi
 104                 if [ $NEWER != "no" -a $(( $DATE - $STAT )) -gt $NEWER ]; then
 105                         BANNER=""
 106                 fi
 107                 echo $BANNER
 108         done
 109 }
 110 delete_banners()
 111 {
 112         BANNERS="$1"
 113         rm -rf $(get_banner_location_list "$BANNER")
 114 }
 115 get_all_banner_list()
 116 {
 117         ls "$BANNERDIR" | grep -E -v "$EXCLUDEFILES"
 118 }
 119 get_banner_list()
 120 {
 121         BANNERS="$1"
 122         NOBANNERS="$2"
 123         for BANNER in $BANNERS; do
 124                 if [ -r "$BANNERDIR/$BANNER" ];then
 125                         echo $NOBANNERS | grep -q $BANNER || echo $BANNER
 126                 fi
 127         done
 128 }
 129 get_banner_location_list()
 130 {
 131         BANNERS="$1"
 132         for BANNER in $BANNERS; do
 133                 echo "$BANNERDIR/$BANNER"
 134         done
 135 }
 136 make_banner()
 137 {
 138         BANNER="$1"
 139         SHOW="$2"
 140         mkdir -p $(echo $BANNER|sed 's,/[^/]*$,,')
 141         if [ $NEW_APPEND -eq 0 ]; then
 142                 cat > $BANNER
 143         else
 144                 cat >> $BANNER
 145         fi
 146         if [ $SHOW -eq 1 ];then
 147                 cat $BANNER
 148         fi
 149 }
 150 show_banner()
 151 {
 152         cat $BANNERDIR/$1
 153 }
 154 show_banners()
 155 {
 156         for BANNER in $*; do
 157                 show_banner $BANNER
 158         done
 159 }
 160 ######################################################## MAIN ########
 161 while [ ! -z $1 ]; do
 162         case $1 in
 163                 -a|--all)
 164                         ALL_BANNERS=1
 165                         ;;
 166                 --delete)
 167                         NEED_BANNER_LIST=1
 168                         ACTION="delete"
 169                         ;;
 170                 -e|--exclude)
 171                         EXCLUDE_FLAG=1
 172                         ;;
 173                 -h|--help)
 174                         Help
 175                         exit 0
 176                         ;;
 177                 -i|--include)
 178                         EXCLUDE_FLAG=0
 179                         ;;
 180                 -m|--make|-M)
 181                         NEED_BANNER_LIST=0
 182                         if [ "$(check_banner_name $2)" == "$2" ]; then
 183                                 NEW_BANNER=$BANNERDIR/$(check_banner_name "$2")
 184                         else
 185                                 NEW_BANNER="$2"
 186                         fi
 187                         ACTION="make"
 188                         if [ "$1" == "-M" ];then
 189                                 NEW_APPEND=1
 190                         else
 191                                 NEW_APPEND=0
 192                         fi
 193                         if [ -z "$NEW_BANNER" ];then
 194                                 Help
 195                                 exit 2
 196                         fi
 197                         shift
 198                         ;;
 199                 -n|--names)
 200                         NEED_BANNER_LIST=1
 201                         ACTION="names"
 202                         ;;
 203                 --newer)
 204                         NEED_MTIME_CHECK=1
 205                         CHOOSE_NEWER="$2"
 206                         if [ -z "$CHOOSE_NEWER" ];then
 207                                 Help
 208                                 exit 2
 209                         fi
 210                         shift
 211                         ;;
 212                 --older)
 213                         NEED_MTIME_CHECK=1
 214                         CHOOSE_OLDER="$2"
 215                         if [ -z "$CHOOSE_OLDER" ];then
 216                                 Help
 217                                 exit 2
 218                         fi
 219                         shift
 220                         ;;
 221                 -s|--show)
 222                         NEED_BANNER_LIST=1
 223                         NEW_SHOW=1
 224                         ACTION="show"
 225                         ;;
 226                 -u|--usage)
 227                         Usage
 228                         exit 0
 229                         ;;
 230                 -*)
 231                         Unknown_para "$1"
 232                         exit 1
 233                         ;;
 234                 *)
 235                         if [ $EXCLUDE_FLAG -eq 0 ];then
 236                                 BANNERS="$BANNERS $(check_banner_name $1)"
 237                         else
 238                                 NOBANNERS="$NOBANNERS $(check_banner_name $1)"
 239                         fi
 240                         ;;
 241         esac
 242         shift
 243 done
 244
 245 if [ $ALL_BANNERS -ne 0 ]; then
 246         BANNERS=`get_all_banner_list`
 247 fi
 248 if [ $NEED_BANNER_LIST -ne 0 ];then
 249         BANNER_LIST=`get_banner_list "$BANNERS" "$NOBANNERS"`
 250 fi
 251 if [ $NEED_MTIME_CHECK -ne 0 ];then
 252         BANNER_LIST=`check_banners_mtime "$BANNER_LIST" "$CHOOSE_OLDER" "$CHOOSE_NEWER"`
 253 fi
 254
 255 case $ACTION in
 256         "delete")
 257                 delete_banners $BANNER_LIST;
 258                 ;;
 259         "make")
 260                 make_banner $NEW_BANNER $NEW_SHOW;
 261                 ;;
 262         "names")
 263                 echo $BANNER_LIST;
 264                 ;;
 265         "show")
 266                 show_banners $BANNER_LIST;
 267                 ;;
 268 esac
 269
 270
 271