pldnotify.awk

   1 #!/bin/awk -f
   2 # $Revision$, $Date$
   3 #
   4 # Copyright (C) 2000-2010 PLD-Team <feedback@pld-linux.org>
   5 # Authors:
   6 #       Sebastian Zagrodzki <zagrodzki@pld-linux.org>
   7 #       Jacek Konieczny <jajcus@pld-linux.org>
   8 #       Andrzej Krzysztofowicz <ankry@pld-linux.org>
   9 #       Jakub Bogusz <qboosh@pld-linux.org>
  10 #       Elan Ruusamäe <glen@pld-linux.org>
  11 #
  12 # See cvs log pldnotify.awk for list of contributors
  13 #
  14 # TODO:
  15 # - "SourceXDownload" support (use given URLs if present instead of cut-down SourceX URLs)
  16 # - "SourceXActiveFTP" support
  17
  18 function fixedsub(s1,s2,t,      ind) {
  19 # substitutes fixed strings (not regexps)
  20         if (ind = index(t,s1)) {
  21                 t = substr(t, 1, ind-1) s2 substr(t, ind+length(s1))
  22         }
  23         return t
  24 }
  25
  26 function ispre(s) {
  27         if ((s~"pre")||(s~"PRE")||(s~"beta")||(s~"BETA")||(s~"alpha")||(s~"ALPHA")||(s~"rc")||(s~"RC")) {
  28                 if (DEBUG) print "pre-version"
  29                 return 1
  30         } else {
  31                 return 0
  32         }
  33 }
  34
  35 function compare_ver(v1,v2) {
  36 # compares version numbers
  37         while (match(v1,/[a-zA-Z][0-9]|[0-9][a-zA-Z]/))
  38                 v1=(substr(v1,1,RSTART) "." substr(v1,RSTART+RLENGTH-1))
  39         while (match(v2,/[a-zA-Z][0-9]|[0-9][a-zA-Z]/))
  40                 v2=(substr(v2,1,RSTART) "." substr(v2,RSTART+RLENGTH-1))
  41         sub("^0*","",v1)
  42         sub("^0*","",v2)
  43         gsub("\.0*",".",v1)
  44         gsub("\.0*",".",v2)
  45         if (DEBUG) print "v1 == " v1
  46         if (DEBUG) print "v2 == " v2
  47         count=split(v1,v1a,"\.")
  48         count2=split(v2,v2a,"\.")
  49
  50         if (count<count2) mincount=count
  51         else mincount=count2
  52
  53         for (i=1; i<=mincount; i++) {
  54                 if (v1a[i]=="") v1a[i]=0
  55                 if (v2a[i]=="") v2a[i]=0
  56                 if (DEBUG) print "i == " i
  57                 if (DEBUG) print "v1[i] == " v1a[i]
  58                 if (DEBUG) print "v2[i] == " v2a[i]
  59                 if ((v1a[i]~/[0-9]/)&&(v2a[i]~/[0-9]/)) {
  60                         if (length(v2a[i])>length(v1a[i]))
  61                                 return 1
  62                         else if (v2a[i]>v1a[i])
  63                                 return 1
  64                         else if (length(v1a[i])>length(v2a[i]))
  65                                 return 0
  66                         else if (v1a[i]>v2a[i])
  67                                 return 0
  68                 } else if ((v1a[i]~/[A-Za-z]/)&&(v2a[i]~/[A-Za-z]/)) {
  69                         if (v2a[i]>v1a[i])
  70                                 return 1
  71                         else if (v1a[i]>v2a[i])
  72                                 return 0
  73                 } else if (ispre(v1a[i]) == 1)
  74                         return 1
  75                 else
  76                         return 0
  77         }
  78         if ((count2==mincount)&&(count!=count2)) {
  79                 for (i=count2+1; i<=count; i++)
  80                         if (ispre(v1a[i]) == 1)
  81                                 return 1
  82                 return 0
  83         } else if (count!=count2) {
  84                 for (i=count+1; i<=count2; i++)
  85                         if (ispre(v2a[i]) == 1)
  86                                 return 0
  87                 return 1
  88         }
  89         return 0
  90 }
  91
  92 function compare_ver_dec(v1,v2) {
  93 # compares version numbers as decimal floats
  94         while (match(v1,/[0-9][a-zA-Z]/))
  95                 v1=(substr(v1,1,RSTART) "." substr(v1,RSTART+RLENGTH-1))
  96         while (match(v2,/[0-9][a-zA-Z]/))
  97                 v2=(substr(v2,1,RSTART) "." substr(v2,RSTART+RLENGTH-1))
  98         sub("^0*","",v1)
  99         sub("^0*","",v2)
 100         if (DEBUG) print "v1 == " v1
 101         if (DEBUG) print "v2 == " v2
 102         count=split(v1,v1a,"\.")
 103         count2=split(v2,v2a,"\.")
 104
 105         if (count<count2) mincount=count
 106         else mincount=count2
 107
 108         for (i=1; i<=mincount; i++) {
 109                 if (v1a[i]=="") v1a[i]=0
 110                 if (v2a[i]=="") v2a[i]=0
 111                 if (DEBUG) print "i == " i
 112                 if (DEBUG) print "v1[i] == " v1a[i]
 113                 if (DEBUG) print "v2[i] == " v2a[i]
 114                 if ((v1a[i]~/[0-9]/)&&(v2a[i]~/[0-9]/)) {
 115                         if (i==2) {
 116                                 if (0+("." v2a[i])>0+("." v1a[i]))
 117                                         return 1
 118                                 else if (0+("." v1a[i])>0+("." v2a[i]))
 119                                         return 0
 120                         } else {
 121                                 if (length(v2a[i])>length(v1a[i]))
 122                                         return 1
 123                                 else if (v2a[i]>v1a[i])
 124                                         return 1
 125                                 else if (length(v1a[i])>length(v2a[i]))
 126                                         return 0
 127                                 else if (v1a[i]>v2a[i])
 128                                         return 0
 129                         }
 130                 } else if ((v1a[i]~/[A-Za-z]/)&&(v2a[i]~/[A-Za-z]/)) {
 131                         if (v2a[i]>v1a[i])
 132                                 return 1
 133                         else if (v1a[i]>v2a[i])
 134                                 return 0
 135                 } else if (ispre(v1a[i]) == 1)
 136                         return 1
 137                 else
 138                         return 0
 139         }
 140         if ((count2==mincount)&&(count!=count2)) {
 141                 for (i=count2+1; i<=count; i++)
 142                         if (ispre(v1a[i]) == 1)
 143                                 return 1
 144                 return 0
 145         } else if (count!=count2) {
 146                 for (i=count+1; i<=count2; i++)
 147                         if (ispre(v2a[i]) == 1)
 148                                 return 0
 149                 return 1
 150         }
 151         return 0
 152 }
 153
 154 function link_seen(link) {
 155         for (seenlink in frameseen) {
 156                 if (seenlink == link) {
 157                         if (DEBUG) print "Link: [" link "] seen already, skipping..."
 158                         return 1
 159                 }
 160         }
 161         frameseen[link]=1
 162         return 0
 163 }
 164
 165 function mktemp(   _cmd, _tmpfile) {
 166         _cmd = "mktemp /tmp/XXXXXX"
 167         _cmd | getline _tmpfile
 168         close(_cmd)
 169         return _tmpfile
 170 }
 171
 172 # get all <A HREF=..> tags from specified URL
 173 function get_links(url,filename,   errno,link,oneline,retval,odp,wholeodp,lowerodp,tmpfile,cmd) {
 174
 175         wholeerr=""
 176
 177         tmpfile = mktemp()
 178         tmpfileerr = mktemp()
 179
 180         if (url ~ /^http:\/\/(download|dl).(sf|sourceforge).net\//) {
 181                 gsub("^http://(download|dl).(sf|sourceforge).net/", "", url)
 182                 gsub("/.*", "", url)
 183                 url = "http://sourceforge.net/projects/" url "/files/"
 184                 if (DEBUG) print "sf url, mungled url to: " url
 185         }
 186
 187         if (url ~ /^http:\/\/(.*)\.googlecode\.com\/files\//) {
 188                 gsub("^http://", "", url)
 189                 gsub("\..*", "", url)
 190                 url = "http://code.google.com/p/" url "/downloads/list"
 191                 if (DEBUG) print "googlecode url, mungled url to: " url
 192         }
 193
 194         if (url ~ /^http:\/\/pecl.php.net\/get\//) {
 195                 gsub("-.*", "", filename)
 196                 url = "http://pecl.php.net/package/" filename
 197                 if (DEBUG) print "pecl.php.net url, mungled url to: " url
 198         }
 199
 200         if (url ~ /^(http|ftp):\/\/mysql.*\/Downloads\/MySQL-5.1\//) {
 201                 url = "http://dev.mysql.com/downloads/mysql/5.1.html#source"
 202                  if (DEBUG) print "mysql 5.1 url, mungled url to: " url
 203         }
 204
 205         if (url ~/^(http|https):\/\/launchpad\.net\/(.*)\//) {
 206                 gsub("^(http|https):\/\/launchpad\.net\/", "", url)
 207                 gsub("\/.*/", "", url)
 208                 url = "https://code.launchpad.net/" url "/+download"
 209                 if (DEBUG) print "main launchpad url, mungled url to: " url
 210         }
 211
 212         if (url ~/^(http|https):\/\/edge\.launchpad\.net\/(.*)\//) {
 213                 gsub("^(http|https):\/\/edge\.launchpad\.net\/", "", url)
 214                 gsub("\/.*/", "", url)
 215                 url = "https://edge.launchpad.net/" url "/+download"
 216                 if (DEBUG) print "edge launchpad url, mungled url to: " url
 217         }
 218
 219
 220         if (DEBUG) print "Retrieving: " url
 221         cmd = "wget --user-agent \"Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2) Gecko/20100129 PLD/3.0 (Th) Iceweasel/3.6\" -nv -O - \"" url "\" -t 2 -T 45 --passive-ftp --no-check-certificate > " tmpfile " 2> " tmpfileerr
 222         if (DEBUG) print "Execute: " cmd
 223         errno = system(cmd)
 224         if (DEBUG) print "Execute done"
 225
 226         if (errno==0) {
 227                 wholeodp = ""
 228                 if ( DEBUG ) print "Reading succeess response..."
 229                 while (getline oneline < tmpfile)
 230                         wholeodp=(wholeodp " " oneline)
 231                 # if ( DEBUG ) print "Response: " wholeodp
 232         } else {
 233                 if ( DEBUG ) print "Reading failure response..."
 234                 wholeerr = ""
 235                 while (getline oneline < tmpfileerr)
 236                         wholeerr=(wholeerr " " oneline)
 237                 if ( DEBUG ) print "Error Response: " wholeerr
 238         }
 239
 240         system("rm -f " tmpfile)
 241         system("rm -f " tmpfileerr)
 242
 243         urldir=url;
 244         sub(/[^\/]+$/,"",urldir)
 245
 246         if ( errno==0) {
 247                 while (match(wholeodp, /<([aA]|[fF][rR][aA][mM][eE])[ \t][^>]*>/) > 0) {
 248                         if (DEBUG) print "Processing links..."
 249                         odp=substr(wholeodp,RSTART,RLENGTH);
 250                         wholeodp=substr(wholeodp,RSTART+RLENGTH);
 251
 252                         lowerodp=tolower(odp);
 253                         if (lowerodp ~ /<frame[ \t]/) {
 254                                 sub(/[sS][rR][cC]=[ \t]*/,"src=",odp);
 255                                 match(odp,/src="[^"]+"/)
 256                                 newurl=substr(odp,RSTART+5,RLENGTH-6)
 257                                 if (DEBUG) print "Frame: " newurl
 258                                 if (newurl !~ /\//) {
 259                                         newurl=(urldir newurl)
 260                                         if (DEBUG) print "Frame->: " newurl
 261                                 }
 262
 263                                 if (link_seen(newurl)) {
 264                                         newurl=""
 265                                         continue
 266                                 }
 267
 268                                 retval=(retval " " get_links(newurl))
 269                         } else if (lowerodp ~ /href=[ \t]*"[^"]*"/) {
 270                                 sub(/[hH][rR][eE][fF]=[ \t]*"/,"href=\"",odp)
 271                                 match(odp,/href="[^"]*"/)
 272                                 link=substr(odp,RSTART,RLENGTH)
 273                                 odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
 274                                 link=substr(link,7,length(link)-7)
 275
 276                                 if (link_seen(link)) {
 277                                         link=""
 278                                         continue
 279                                 }
 280
 281                                 retval=(retval " " link)
 282                                 if (DEBUG) print "href(\"\"): " link
 283                         } else if (lowerodp ~ /href=[ \t]*'[^']*'/) {
 284                                 sub(/[hH][rR][eE][fF]=[ \t]*'/,"href='",odp)
 285                                 match(odp,/href='[^']*'/)
 286                                 link=substr(odp,RSTART,RLENGTH)
 287                                 odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
 288                                 link=substr(link,7,length(link)-7)
 289
 290                                 if (link_seen(link)) {
 291                                         link=""
 292                                         continue
 293                                 }
 294
 295                                 retval=(retval " " link)
 296                                 if (DEBUG) print "href(''): " link
 297                         } else if (lowerodp ~ /href=[ \t]*[^ \t>]*/) {
 298                                 sub(/[hH][rR][eE][fF]=[ \t]*/,"href=",odp)
 299                                 match(odp,/href=[^ \t>]*/)
 300                                 link=substr(odp,RSTART,RLENGTH)
 301                                 odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
 302                                 link=substr(link,6,length(link)-5)
 303
 304                                 if (link_seen(link)) {
 305                                         link=""
 306                                         continue
 307                                 }
 308
 309                                 retval=(retval " " link)
 310                                 if (DEBUG) print "href(): " link
 311                         } else {
 312                                 # <a ...> but not href - skip
 313                                 if (DEBUG) print "skipping <a > without href: " odp
 314                         }
 315                 }
 316         } else {
 317                 retval=("WGET ERROR: " errno ": " wholeerr)
 318         }
 319
 320
 321         if (DEBUG) print "Returning: " retval
 322         return retval
 323 }
 324
 325 function subst_defines(var,defs) {
 326 # substitute all possible RPM macros
 327         while ((var ~ /%{.*}/) || (var ~ /%[A-Za-z0-9_]+/)) {
 328                 oldvar=var
 329                 for (j in defs) {
 330                         gsub("%{" j "}", defs[j], var)
 331                         gsub("%" j , defs[j], var)
 332                 }
 333                 if (var==oldvar) {
 334                         if ( DEBUG ) for (i in defs) print i " == " defs[i]
 335                         return var
 336                 }
 337         }
 338         return var
 339 }
 340
 341 function find_mirror(url) {
 342
 343         while (succ = (getline line < "mirrors")) {
 344             if (succ==-1) { return url }
 345                 nf=split(line,fields,"|")
 346                 if (nf>1){
 347                         origin=fields[1]
 348                         mirror=fields[2]
 349                         mname=fields[3]
 350                         prefix=substr(url,1,length(origin))
 351                         if (prefix==origin){
 352                                 if ( DEBUG ) print "Mirror fount at " mname
 353                                 close("mirrors")
 354                                 return mirror substr(url,length(origin)+1)
 355                         }
 356                 }
 357         }
 358
 359         return url
 360 }
 361
 362 function process_source(number,lurl,name,version) {
 363 # fetches file list, and compares version numbers
 364         if ( DEBUG ) print "Processing " lurl
 365
 366         if ( index(lurl,version)==0 ) {
 367                 if (DEBUG) print "There is no version number."
 368                 return 0
 369         }
 370
 371         sub("://",":",lurl)
 372         sub("/",":/",lurl)
 373         gsub("[^/]*$",":&",lurl)
 374         split(lurl,url,":")
 375         acc=url[1]
 376         host=url[2]
 377         dir=url[3]
 378         filename=url[4]
 379
 380         if (index(dir,version)) {
 381                 # directory name as version maching mode:
 382                 # if /something/version/name-version.tarball then check
 383                 # in /something/ looking for newer directory
 384                 dir=substr(dir,1,index(dir,version)-1)
 385                 sub("[^/]*$","",dir)
 386                 sub("(\.tar\.(bz|bz2|gz)|zip)$","",filename)
 387         }
 388
 389         if ( DEBUG ) print "Will check a directory: " dir
 390         if ( DEBUG ) print "and a file: " filename
 391
 392         filenameexp=filename
 393         gsub("\+","\\+",filenameexp)
 394         sub(version,"[A-Za-z0-9.]+",filenameexp)
 395         gsub("\.","\\.",filenameexp)
 396         if ( DEBUG ) print "Expression: " filenameexp
 397         match(filename,version)
 398         prever=substr(filename,1,RSTART-1)
 399         postver=substr(filename,RSTART+RLENGTH)
 400         if ( DEBUG ) print "Before number: " prever
 401         if ( DEBUG ) print "and after: " postver
 402         newurl=find_mirror(acc "://" host dir)
 403         #print acc "://" host dir
 404         #newurl=url[1]"://"url[2]url[3]url[4]
 405         #newurl=acc "://" host dir filename
 406         if ( DEBUG ) print "Looking at " newurl
 407
 408         references=0
 409         finished=0
 410         oldversion=version
 411         odp=get_links(newurl,filename)
 412         if( odp ~ "ERROR: ") {
 413                 print name "(" number ") " odp
 414         } else {
 415                 if (DEBUG) print "WebPage downloaded"
 416                 c=split(odp,linki)
 417                 for (nr=1; nr<=c; nr++) {
 418                         addr=linki[nr]
 419                         if (DEBUG) print "Found link: " addr
 420                         if ((addr ~ filenameexp) && !(addr ~ "[-_.0-9A-Za-z~]" filenameexp)) {
 421                                 match(addr,filenameexp)
 422                                 newfilename=substr(addr,RSTART,RLENGTH)
 423                                 if (DEBUG) print "Hypothetical new: " newfilename
 424                                 newfilename=fixedsub(prever,"",newfilename)
 425                                 newfilename=fixedsub(postver,"",newfilename)
 426                                 if (DEBUG) print "Version: " newfilename
 427                                 if (newfilename ~ /\.(asc|sig|pkg|bin|binary|built)$/) continue
 428                                 # strip ending (happens when in directiory name as version matching mode)
 429                                 sub("(\.tar\.(bz|bz2|gz)|zip)$","",newfilename)
 430                                 if (NUMERIC) {
 431                                         if ( compare_ver_dec(version, newfilename)==1 ) {
 432                                                 if (DEBUG) print "Yes, there is new one"
 433                                                 version=newfilename
 434                                                 finished=1
 435                                         }
 436                                 } else if ( compare_ver(version, newfilename)==1 ) {
 437                                         if (DEBUG) print "Yes, there is new one"
 438                                         version=newfilename
 439                                         finished=1
 440                                 }
 441                         }
 442                 }
 443                 if (finished==0)
 444                         print name "(" number ") seems ok: " oldversion
 445                 else
 446                         print name "(" number ") [OLD] " oldversion " [NEW] " version
 447         }
 448 }
 449
 450 # upgrade check for pear package using PEAR CLI
 451 function pear_upgrade(name, ver) {
 452         pname = name;
 453         sub(/^php-pear-/, "", pname);
 454
 455         pearcmd = "pear remote-info " pname " | awk '/^Latest/{print $NF}'"
 456         if (DEBUG) {
 457                 print "pearcmd: " pearcmd
 458         }
 459         pearcmd | getline nver
 460         close(pearcmd)
 461
 462         if (compare_ver(ver, nver)) {
 463                 print name " [OLD] " ver " [NEW] " nver
 464         } else {
 465                 print name " seems ok: " ver
 466         }
 467
 468         return
 469 }
 470
 471 function process_data(name,ver,rel,src) {
 472         if (name ~ /^php-pear-/) {
 473                 return pear_upgrade(name, ver);
 474         }
 475
 476 # this function checks if substitutions were valid, and if true:
 477 # processes each URL and tries to get current file list
 478         for (i in src) {
 479                 if ( src[i] ~ /%{nil}/ ) {
 480                         gsub(/\%\{nil\}/, "", src[i])
 481                 }
 482                 if ( src[i] !~ /%{.*}/ && src[i] !~ /%[A-Za-z0-9_]/ )  {
 483                         if ( DEBUG ) print "Source: " src[i]
 484                         process_source(i,src[i],name,ver)
 485                 } else {
 486                         print FNAME ":" i ": impossible substitution: " src[i]
 487                 }
 488         }
 489 }
 490
 491 BEGIN {
 492         # if U want to use DEBUG, run script with "-v DEBUG=1"
 493         # or uncomment the line below
 494         # DEBUG = 1
 495
 496         errno=system("wget --help > /dev/null 2>&1")
 497         if (errno) {
 498                 print "No wget installed!"
 499                 exit 1
 500         }
 501         if (ARGC>=3 && ARGV[2]=="-n") {
 502                 NUMERIC=1
 503                 for (i=3; i<ARGC; i++) ARGV[i-1]=ARGV[i]
 504                 ARGC=ARGC-1
 505         }
 506 }
 507
 508 FNR==1 {
 509         if ( ARGIND != 1 ) {
 510                 # clean frameseen for each ARG
 511                 for (i in frameseen) {
 512                         delete frameseen[i]
 513                 }
 514                 frameseen[0] = 1
 515
 516                 process_data(NAME,VER,REL,SRC)
 517                 NAME="" ; VER="" ; REL=""
 518                 for (i in DEFS) delete DEFS[i]
 519                 for (i in SRC) delete SRC[i]
 520         }
 521         FNAME=FILENAME
 522         DEFS["_alt_kernel"]=""
 523         DEFS["20"]="\\ "
 524 }
 525
 526 /^[Uu][Rr][Ll]:/&&(URL=="") { URL=subst_defines($2,DEFS) ; DEFS["url"]=URL }
 527 /^[Nn]ame:/&&(NAME=="") { NAME=subst_defines($2,DEFS) ; DEFS["name"]=NAME }
 528 /^[Vv]ersion:/&&(VER=="") { VER=subst_defines($2,DEFS) ; DEFS["version"]=VER }
 529 /^[Rr]elease:/&&(REL=="") { REL=subst_defines($2,DEFS) ; DEFS["release"]=REL }
 530 /^[Ss]ource[0-9]*:/ { if (/(ftp|http|https):\/\//) SRC[FNR]=subst_defines($2,DEFS) }
 531 /%define/ { DEFS[$2]=subst_defines($3,DEFS) }
 532
 533 END {
 534         process_data(NAME,VER,REL,SRC)
 535 }