git.m6w6.name Git - m6w6/gitweb-theme/blob - setup

   1 #!/bin/bash
   2
   3 ##########################################################
   4 #   Configuration
   5 ##########################################################
   6 #
   7 # Here you can set the default installation directory
   8 #
   9 DEFAULT_TARGET="/usr/share/gitweb"
  10
  11
  12
  13
  14 ##########################################################
  15 #   Functions
  16 ##########################################################
  17 #
  18 # (no need to modify, unless you want to)
  19 #
  20 install()
  21 {
  22   set_target
  23   set_cmd_args
  24
  25   if [[ $(check_for_symlinks) == $TRUE && $(check_for_backups) == $TRUE ]]
  26   then
  27     log ""
  28     log "[ERROR]  - Symlinks and backups found in target, nothing to do."
  29     log "[ERROR]  - (Is the theme already installed?)"
  30     exit 1
  31   else
  32
  33 #Backing up
  34     if [[ $INTERACTIVE == $TRUE ]]
  35     then
  36       log ""
  37       if [[ $(confirm "Backing up original files, continue?") == $FALSE ]]
  38       then
  39         echo ""
  40         exit 1
  41       else
  42         echo ""
  43       fi
  44     fi
  45
  46     if [[ $(check_for_backups) == $TRUE ]]
  47     then
  48       log "[NOTICE] - Backups present, skipping..."
  49     else
  50       log ""
  51       log "Backing up..."
  52       log ""
  53       for FILE in "${THEME_FILES[@]}"
  54       do
  55         if [[ -e "$TARGET/$FILE.bak" ]]
  56         then
  57           log "Skipping $FILE.bak, file exists..."
  58         else
  59           mv $MV_ARGS "$TARGET/$FILE" "$TARGET/$FILE.bak"
  60         fi
  61       done
  62       log ""
  63       log "...done"
  64     fi
  65
  66 #Symlinking
  67     if [[ $INTERACTIVE == $TRUE ]]
  68     then
  69       log ""
  70       if [[ $(confirm "Linking theme files, continue?") == $FALSE ]]
  71       then
  72         echo ""
  73         exit 1
  74       else
  75         echo ""
  76       fi
  77     fi
  78
  79     if [[ $(check_for_symlinks) == $TRUE ]]
  80     then
  81       log "[NOTICE] - Symlinks present, skipping..."
  82     else
  83       log ""
  84       log "Linking..."
  85       log ""
  86       for FILE in "${THEME_FILES[@]}"
  87       do
  88         if [[ -h "$TARGET/$FILE" ]]
  89         then
  90           log "Skipping $FILE, symlink exists..."
  91         else
  92           ln $LN_ARGS "$THEME/$FILE" "$TARGET/$FILE"
  93         fi
  94       done
  95       log ""
  96       log "...done"
  97     fi
  98   fi
  99
 100   log ""
 101   log "[NOTICE] - Installation complete!"
 102 }
 103
 104 remove()
 105 {
 106   set_target
 107   set_cmd_args
 108
 109   if [[ $(check_for_symlinks "missing") == $TRUE && $(check_for_backups "missing") == $TRUE ]]
 110   then
 111     log ""
 112     log "[ERROR]  - No symlinks or backups found in target, Nothing to do."
 113     log "[ERROR]  - (Is the theme already removed?)"
 114     exit 1
 115   else
 116
 117 #Deleting
 118     if [[ $INTERACTIVE == $TRUE ]]
 119     then
 120       log ""
 121       if [[ $(confirm "Deleting symlinks, continue?") == $FALSE ]]
 122       then
 123         echo ""
 124         exit 1
 125       else
 126         echo ""
 127       fi
 128     fi
 129
 130     if [[ $(check_for_symlinks) == $TRUE ]]
 131     then
 132       log ""
 133       log "Deleting symlinks..."
 134       log ""
 135       for FILE in "${THEME_FILES[@]}"
 136       do
 137         if [[ -h "$TARGET/$FILE" ]]
 138         then
 139           rm $RM_ARGS "$TARGET/$FILE"
 140         else
 141           log "Skipping $FILE, not found..."
 142         fi
 143       done
 144       log ""
 145       log "...done"
 146     else
 147       log "[NOTICE] - Symlinks not found, skipping..."
 148     fi
 149
 150 #Restoring
 151     if [[ $INTERACTIVE == $TRUE ]]
 152     then
 153       log ""
 154       if [[ $(confirm "Restoring original files, continue?") == $FALSE ]]
 155       then
 156         echo ""
 157         exit 1
 158       else
 159         echo ""
 160       fi
 161     fi
 162
 163     if [[ $(check_for_backups) == $TRUE ]]
 164     then
 165       log ""
 166       log "Restoring..."
 167       log ""
 168       for FILE in "${THEME_FILES[@]}"
 169       do
 170         if [[ -e "$TARGET/$FILE.bak" ]]
 171         then
 172           mv $MV_ARGS "$TARGET/$FILE.bak" "$TARGET/$FILE"
 173         else
 174           log "Skipping $FILE.bak, not found..."
 175         fi
 176       done
 177       log ""
 178       log "...done"
 179     else
 180       log "[NOTICE] - Backups not found, skipping..."
 181     fi
 182   fi
 183
 184   log ""
 185   log "[NOTICE] - Removal complete!"
 186 }
 187
 188 set_target()
 189 {
 190   if [[ $TARGET && $(check_for_static $TARGET) == $TRUE ]]
 191   then
 192     log "[NOTICE] - Using specified target path: '$TARGET'"
 193
 194     if [[ $INTERACTIVE == $TRUE ]]; then
 195       if [[ $(confirm "Is this correct?") == $FALSE ]]; then
 196         echo ""
 197         exit 1
 198       else
 199         echo ""
 200       fi
 201     fi
 202
 203     TARGET="$TARGET/static"
 204   else
 205     if [[ $(check_for_static $DEFAULT_TARGET) == $TRUE ]]
 206     then
 207       log "[NOTICE] - Target not set, using default path: '$DEFAULT_TARGET'"
 208
 209       if [[ $INTERACTIVE  == $TRUE ]]
 210       then
 211         log ""
 212         if [[ $(confirm "Is this ok?") == $FALSE ]]
 213         then
 214           echo ""
 215           exit 1
 216         else
 217           echo ""
 218         fi
 219       fi
 220
 221       TARGET="$DEFAULT_TARGET/static"
 222     else
 223       log ""
 224       log "[ERROR]  - Couldn't find folder 'static/' in the target path: '$TARGET'"
 225       log "[ERROR]  - (Are you sure this folder contains gitweb?)"
 226       exit 1
 227     fi
 228   fi
 229 }
 230
 231 set_cmd_args()
 232 {
 233   MV_ARGS=""
 234   LN_ARGS=""
 235   RM_ARGS=""
 236
 237   if [[ $VERBOSE == $TRUE ]];
 238   then
 239     MV_ARGS="-v"
 240     LN_ARGS="-v -s"
 241     RM_ARGS="-v"
 242   fi
 243
 244   if [[ $INTERACTIVE == $TRUE ]];
 245   then
 246     MV_ARGS="-i"
 247     LN_ARGS="-i -s"
 248     RM_ARGS="-i"
 249   fi
 250
 251   if [[ $INTERACTIVE == $TRUE && $VERBOSE == $TRUE ]];
 252   then
 253     MV_ARGS="-i -v"
 254     LN_ARGS="-i -v -s"
 255     RM_ARGS="-i -v"
 256   fi
 257 }
 258
 259 check_for_static()
 260 {
 261   local RETURN=$FALSE
 262
 263   if [[ -d "$1/static" ]]
 264   then
 265     RETURN=$TRUE
 266   fi
 267
 268   echo $RETURN
 269 }
 270
 271 #If all present, true
 272 #If passed "missing", and all missing, true
 273 check_for_symlinks()
 274 {
 275   local RETURN=$TRUE
 276
 277   if [[ $1 == "missing" ]]
 278   then
 279     local COUNT=0
 280
 281     for FILE in "${THEME_FILES[@]}"
 282     do
 283       if [[ ! -h "$TARGET/$FILE" ]]
 284       then
 285         COUNT=$(expr $COUNT + 1)
 286       fi
 287     done
 288
 289     if [[ $COUNT == "${THEME_FILES[@]}" ]]
 290     then
 291       RETURN=$TRUE
 292     else
 293       RETURN=$FALSE
 294     fi
 295   else
 296     for FILE in "${THEME_FILES[@]}"
 297     do
 298       if [[ ! -h "$TARGET/$FILE" ]]
 299       then
 300         RETURN=$FALSE
 301       fi
 302     done
 303   fi
 304
 305   echo $RETURN
 306 }
 307
 308 #If all present, true
 309 #If passed "missing", and all missing, true
 310 check_for_backups()
 311 {
 312   local RETURN=$TRUE
 313
 314   if [[ $1 == "missing" ]]
 315   then
 316     local COUNT=0
 317
 318     for FILE in "${THEME_FILES[@]}"
 319     do
 320       if [[ ! -e "$TARGET/$FILE.bak" ]]
 321       then
 322         COUNT=$(expr $COUNT + 1)
 323       fi
 324     done
 325
 326     if [[ $COUNT == "${THEME_FILES[@]}" ]]
 327     then
 328       RETURN=$TRUE
 329     else
 330       RETURN=$FALSE
 331     fi
 332   else
 333     for FILE in "${THEME_FILES[@]}"
 334     do
 335       if [[ ! -e "$TARGET/$FILE.bak" ]]
 336       then
 337         RETURN=$FALSE
 338       fi
 339     done
 340   fi
 341
 342   echo $RETURN
 343 }
 344
 345 confirm()
 346 {
 347   read -n 1 -p "$0: $1 [y] | [n] : " REPLY
 348
 349   case $REPLY in
 350     y|Y)
 351       echo $TRUE
 352     ;;
 353     n|N)
 354       echo $FALSE
 355     ;;
 356     *)
 357       echo "$0: [ERROR] - You must answer [y] | [n]"
 358       confirm "$1"
 359     ;;
 360   esac
 361 }
 362
 363 log()
 364 {
 365   if [[ $VERBOSE == $TRUE ]]
 366   then
 367     echo "$0: $1"
 368   fi
 369 }
 370
 371 usage()
 372 {
 373 cat << EOF
 374 Usage: $0 [-v|-i] [-t <TARGET>|--target <TARGET>] [--install|--remove|--repair]
 375 Or: $0 [-V|-h|--version|--help]
 376
 377 This script will create symlinks to your gitweb install for themeing.
 378 The default location is '/usr/share/gitweb' unless set via -t or --target.
 379
 380 OPTIONS:
 381   -v, --verbose       Verbose output
 382   -i, --interactive   Pauses for confirmation at each step
 383   -t, --target        Where to create the symlinks, gitweb installation path
 384   -h, --help          Shows this usage message
 385   -V, --version       Displays version information
 386   --install           Adds '.bak' to original files and creates symlinks to theme files
 387   --remove            Deletes themed symlinks and restores the original files.
 388   --repair            Removes all theme files, then reinstalls
 389 EOF
 390 }
 391
 392
 393
 394 ##########################################################
 395 #   Let's Go!
 396 ##########################################################
 397 #
 398 PROG_NAME=$0
 399 PROG_VERSION="0.9.0"
 400 AUTHOR="Kevin Hill <http://github.com/kevinkhill>"
 401
 402 readonly TRUE=0
 403 readonly FALSE=1
 404
 405 TARGET=
 406 THEME=$(pwd)
 407 INTERACTIVE=$FALSE
 408 VERBOSE=$FALSE
 409
 410 THEME_FILES=( "gitweb.css" "git-favicon.png" "git-logo.png" )
 411
 412 SHORT_OPTS="Vhvit:"
 413 LONG_OPTS="version,help,verbose,interactive,target:,install,remove,repair"
 414 OPTS=$(getopt -o "$SHORT_OPTS" -l "$LONG_OPTS" --name "$0" -- "$@")
 415
 416 if [ $? != 0 ]; then
 417     exit 1
 418 fi
 419
 420 eval set -- "$OPTS"
 421 unset OPTS
 422
 423 if [ $# -eq 0 ]; then
 424   echo "$0: [ERROR] - no options specified" >&2
 425   usage
 426 fi
 427
 428 while [ $# -gt 0 ]; do
 429   case $1 in
 430     -h|--help|-\?)
 431       usage
 432       exit 0
 433     ;;
 434     -v|--verbose)
 435       VERBOSE=$TRUE
 436     ;;
 437     -i|--interactive)
 438       INTERACTIVE=$TRUE
 439     ;;
 440     -t|--target)
 441       TARGET=$2
 442       shift
 443     ;;
 444     -V|--version)
 445       echo "Gitweb Theme Installer Script - v$PROG_VERSION"
 446       echo " Author: $AUTHOR"
 447     ;;
 448     --install)
 449       install
 450     ;;
 451     --remove)
 452       remove
 453     ;;
 454     --repair)
 455       remove
 456       install
 457     ;;
 458     --)
 459       shift
 460       break
 461     ;;
 462     -*)
 463       echo "$0: [ERROR] - unrecognized option $1" >&2
 464       shift
 465     ;;
 466     *)
 467       break
 468     ;;
 469   esac
 470   shift
 471 done
 472
 473 exit 0