[packages/rpm.git] / pldnotify.awk

#!/bin/awk -f
# $Revision$, $Date$
# TODO: "SourceXDownload" support (use given URLs if present instead of cut-down SourceX URLs)

function fixedsub(s1,s2,t,	ind) {
# substitutes fixed strings (not regexps)
	if (ind = index(t,s1)) {
		t = substr(t, 1, ind-1) s2 substr(t, ind+length(s1))
	}
	return t
}

function ispre(s) {
	if ((s~"pre")||(s~"PRE")||(s~"beta")||(s~"BETA")||(s~"alpha")||(s~"ALPHA")||(s~"rc")||(s~"RC")) {
		if (DEBUG) print "pre-version"
		return 1
	} else {
		return 0
	}
}

function compare_ver(v1,v2) {
# compares version numbers
	while (match(v1,/[a-zA-Z][0-9]|[0-9][a-zA-Z]/))
		v1=(substr(v1,1,RSTART) "." substr(v1,RSTART+RLENGTH-1))
	while (match(v2,/[a-zA-Z][0-9]|[0-9][a-zA-Z]/))
		v2=(substr(v2,1,RSTART) "." substr(v2,RSTART+RLENGTH-1))
	sub("^0*","",v1)
	sub("^0*","",v2)
	gsub("\.0*",".",v1)
	gsub("\.0*",".",v2)
	if (DEBUG) print "v1 == " v1
	if (DEBUG) print "v2 == " v2
	count=split(v1,v1a,"\.")
	count2=split(v2,v2a,"\.")

	if (count<count2) mincount=count
	else mincount=count2

	for (i=1; i<=mincount; i++) {
		if (v1a[i]=="") v1a[i]=0
		if (v2a[i]=="") v2a[i]=0
		if (DEBUG) print "i == " i
		if (DEBUG) print "v1[i] == " v1a[i]
		if (DEBUG) print "v2[i] == " v2a[i]
		if ((v1a[i]~/[0-9]/)&&(v2a[i]~/[0-9]/)) {
			if (length(v2a[i])>length(v1a[i]))
				return 1
			else if (v2a[i]>v1a[i])
				return 1
			else if (length(v1a[i])>length(v2a[i]))
				return 0
			else if (v1a[i]>v2a[i])
				return 0
		} else if ((v1a[i]~/[A-Za-z]/)&&(v2a[i]~/[A-Za-z]/)) {
			if (v2a[i]>v1a[i])
				return 1
			else if (v1a[i]>v2a[i])
				return 0
		} else if (ispre(v1a[i]) == 1)
			return 1
		else
			return 0
	}
	if ((count2==mincount)&&(count!=count2)) {
		for (i=count2+1; i<=count; i++)
			if (ispre(v1a[i]) == 1)
				return 1
		return 0
	} else if (count!=count2) {
		for (i=count+1; i<=count2; i++)
			if (ispre(v2a[i]) == 1)
				return 0
		return 1
	}
	return 0
}

function compare_ver_dec(v1,v2) {
# compares version numbers as decimal floats
	while (match(v1,/[0-9][a-zA-Z]/))
		v1=(substr(v1,1,RSTART) "." substr(v1,RSTART+RLENGTH-1))
	while (match(v2,/[0-9][a-zA-Z]/))
		v2=(substr(v2,1,RSTART) "." substr(v2,RSTART+RLENGTH-1))
	sub("^0*","",v1)
	sub("^0*","",v2)
	if (DEBUG) print "v1 == " v1
	if (DEBUG) print "v2 == " v2
	count=split(v1,v1a,"\.")
	count2=split(v2,v2a,"\.")

	if (count<count2) mincount=count
	else mincount=count2

	for (i=1; i<=mincount; i++) {
		if (v1a[i]=="") v1a[i]=0
		if (v2a[i]=="") v2a[i]=0
		if (DEBUG) print "i == " i
		if (DEBUG) print "v1[i] == " v1a[i]
		if (DEBUG) print "v2[i] == " v2a[i]
		if ((v1a[i]~/[0-9]/)&&(v2a[i]~/[0-9]/)) {
			if (i==2) {
				if (0+("." v2a[i])>0+("." v1a[i]))
					return 1
				else if (0+("." v1a[i])>0+("." v2a[i]))
					return 0
			} else {
				if (length(v2a[i])>length(v1a[i]))
					return 1
				else if (v2a[i]>v1a[i])
					return 1
				else if (length(v1a[i])>length(v2a[i]))
					return 0
				else if (v1a[i]>v2a[i])
					return 0
			}
		} else if ((v1a[i]~/[A-Za-z]/)&&(v2a[i]~/[A-Za-z]/)) {
			if (v2a[i]>v1a[i])
				return 1
			else if (v1a[i]>v2a[i])
				return 0
		} else if (ispre(v1a[i]) == 1)
			return 1
		else
			return 0
	}
	if ((count2==mincount)&&(count!=count2)) {
		for (i=count2+1; i<=count; i++)
			if (ispre(v1a[i]) == 1)
				return 1
		return 0
	} else if (count!=count2) {
		for (i=count+1; i<=count2; i++)
			if (ispre(v2a[i]) == 1)
				return 0
		return 1
	}
	return 0
}

function get_links(url,	errno,link,oneline,retval,odp,wholeodp,lowerodp,tmpfile) {
# get all <A HREF=..> tags from specified URL
	"mktemp /tmp/XXXXXX" | getline tmpfile
	close("mktemp /tmp/XXXXXX")

	if (url ~ /^http:\/\/(download|dl).(sf|sourceforge).net\//) {
		gsub("^http://(download|dl).(sf|sourceforge).net/", "", url)
		url = "http://prdownloads.sourceforge.net/" substr(url, 1, 1) "/" substr(url, 1, 2) "/" url
		if (DEBUG) print "sf url, mungled url to: " url
	}

	if (DEBUG) print "Retrieving: " url
	errno=system("wget -O - \"" url "\" -t 3 -T 300 --passive-ftp > " tmpfile " 2>/dev/null" )

	if (errno==0) {
		while (getline oneline < tmpfile)
			wholeodp=(wholeodp " " oneline)
		if ( DEBUG ) print "Response: " wholeodp
	}

	close(tmpfile)
	system("rm -f " tmpfile)
	urldir=url;
	sub(/[^\/]+$/,"",urldir)

	if ( errno==0) {
		while (match(wholeodp, /<([aA]|[fF][rR][aA][mM][eE])[ \t][^>]*>/) > 0) {
			odp=substr(wholeodp,RSTART,RLENGTH);
			wholeodp=substr(wholeodp,RSTART+RLENGTH);

			lowerodp=tolower(odp);
			if (lowerodp ~ /<frame[ \t]/) {
				sub(/[sS][rR][cC]=[ \t]*/,"src=",odp);
				match(odp,/src="[^"]+"/)
				newurl=substr(odp,RSTART+5,RLENGTH-6)
				if (DEBUG) print "Frame: " newurl
				if (newurl !~ /\//) {
					newurl=(urldir newurl)
					if (DEBUG) print "Frame->: " newurl
				}
				retval=(retval " " get_links(newurl))
			} else if (lowerodp ~ /href=[ \t]*"[^"]*"/) {
				sub(/[hH][rR][eE][fF]=[ \t]*"/,"href=\"",odp)
				match(odp,/href="[^"]*"/)
				link=substr(odp,RSTART,RLENGTH)
				odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
				link=substr(link,7,length(link)-7)
				retval=(retval " " link)
				if (DEBUG) print "href(\"\"): " link
			} else if (lowerodp ~ /href=[ \t]*'[^']*'/) {
				sub(/[hH][rR][eE][fF]=[ \t]*'/,"href='",odp)
				match(odp,/href='[^']*'/)
				link=substr(odp,RSTART,RLENGTH)
				odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
				link=substr(link,7,length(link)-7)
				retval=(retval " " link)
				if (DEBUG) print "href(''): " link
			} else if (lowerodp ~ /href=[ \t]*[^ \t>]*/) {
				sub(/[hH][rR][eE][fF]=[ \t]*/,"href=",odp)
				match(odp,/href=[^ \t>]*/)
				link=substr(odp,RSTART,RLENGTH)
				odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
				link=substr(link,6,length(link)-5)
				retval=(retval " " link)
				if (DEBUG) print "href(): " link
			} else {
				# <a ...> but not href - skip
				if (DEBUG) print "skipping <a > without href: " odp
			}
		}
	} else {
		retval=("WGET ERROR: " errno)
	}


	if (DEBUG) print "Returning: " retval
	return retval
}

function subst_defines(var,defs) {
# substitute all possible RPM macros
	while ((var ~ /%{.*}/) || (var ~ /%[A-Za-z0-9_]+/)) {
		oldvar=var
		for (j in defs) {
			gsub("%{" j "}", defs[j], var)
			gsub("%" j , defs[j], var)
		}
		if (var==oldvar) {
			if ( DEBUG ) for (i in defs) print i " == " defs[i]
			return var
		}
	}
	return var
}

function find_mirror(url) {

	while (succ = (getline line < "mirrors")) {
	    if (succ==-1) { return url }
		nf=split(line,fields,"|")
		if (nf>1){
			origin=fields[1]
			mirror=fields[2]
			mname=fields[3]
			prefix=substr(url,1,length(origin))
			if (prefix==origin){
				if ( DEBUG ) print "Mirror fount at " mname
				close("mirrors")
				return mirror substr(url,length(origin)+1)
			}
		}
	}

	return url
}

function process_source(number,lurl,name,version) {
# fetches file list, and compares version numbers
	if ( DEBUG ) print "Processing " lurl

	if ( index(lurl,version)==0 ) {
		if (DEBUG) print "There is no version number."
		return 0
	}

	sub("://",":",lurl)
	sub("/",":/",lurl)
	gsub("[^/]*$",":&",lurl)
	split(lurl,url,":")
	acc=url[1]
	host=url[2]
	dir=url[3]
	filename=url[4]

	if (index(dir,version)) {
		dir=substr(dir,1,index(dir,version)-1)
		sub("[^/]*$","",dir)
		sub("(\.tar\.(bz|bz2|gz)|zip)$","",filename)
		if ( DEBUG ) print "Will check a directory: " dir
		if ( DEBUG ) print "and a file: " filename
	}

	filenameexp=filename
	gsub("\+","\\+",filenameexp)
	sub(version,"[A-Za-z0-9.]+",filenameexp)
	gsub("\.","\\.",filenameexp)
	if ( DEBUG ) print "Expression: " filenameexp
	match(filename,version)
	prever=substr(filename,1,RSTART-1)
	postver=substr(filename,RSTART+RLENGTH)
	if ( DEBUG ) print "Before number: " prever
	if ( DEBUG ) print "and after: " postver
	newurl=find_mirror(acc "://" host dir)
	#print acc "://" host dir
	#newurl=url[1]"://"url[2]url[3]url[4]
	#newurl=acc "://" host dir filename
	if ( DEBUG ) print "Looking at " newurl

	references=0
	finished=0
	oldversion=version
	odp=get_links(newurl)
	if( odp ~ "ERROR: ") {
		print name "(" number ") " odp
	} else {
		if (DEBUG) print "WebPage downloaded"
		c=split(odp,linki)
		for (nr=1; nr<=c; nr++) {
			addr=linki[nr]
			if (DEBUG) print "Found link: " addr
			if ((addr ~ filenameexp) && !(addr ~ "[-_.0-9A-Za-z~]" filenameexp)) {
				match(addr,filenameexp)
				newfilename=substr(addr,RSTART,RLENGTH)
				if (DEBUG) print "Hypothetical new: " newfilename
				newfilename=fixedsub(prever,"",newfilename)
				newfilename=fixedsub(postver,"",newfilename)
				if (DEBUG) print "Version: " newfilename
				if (newfilename ~ /\.(pkg|bin|binary|built)$/) continue
				if (NUMERIC) {
					if ( compare_ver_dec(version, newfilename)==1 ) {
						if (DEBUG) print "Yes, there is new one"
						version=newfilename
						finished=1
					}
				} else if ( compare_ver(version, newfilename)==1 ) {
					if (DEBUG) print "Yes, there is new one"
					version=newfilename
					finished=1
				}
			}
		}
		if (finished==0)
			print name "(" number ") seems ok: " oldversion
		else
			print name "(" number ") [OLD] " oldversion " [NEW] " version
	}
}

# upgrade check for pear package using PEAR CLI
function pear_upgrade(name, ver) {
	pname = name;
	sub(/^php-pear-/, "", pname);

	pearcmd = "pear remote-info " pname " | awk '/^Latest/{print $NF}'"
	if (DEBUG) {
		print "pearcmd: " pearcmd
	}
	pearcmd | getline nver
	close(pearcmd)

	if (compare_ver(ver, nver)) {
		print name " [OLD] " ver " [NEW] " nver
	} else {
		print name " seems ok: " ver
	}

	return
}

function process_data(name,ver,rel,src) {
	if (name ~ /^php-pear-/) {
		return pear_upgrade(name, ver);
	}

# this function checks if substitutions were valid, and if true:
# processes each URL and tries to get current file list
	for (i in src) {
		if ( src[i] !~ /%{.*}/ && src[i] !~ /%[A-Za-z0-9_]/ )  {
			if ( DEBUG ) print "Source: " src[i]
			process_source(i,src[i],name,ver)
		} else {
			print FNAME ":" i ": impossible substitution: " src[i]
		}
	}
}

BEGIN {
	# if U want to use DEBUG, run script with "-v DEBUG=1"
	# or uncomment the line below
	# DEBUG = 1

	errno=system("wget --help > /dev/null 2>&1")
	if (errno) {
		print "No wget installed!"
		exit 1
	}
	if (ARGC>=3 && ARGV[2]=="-n") {
		NUMERIC=1
		for (i=3; i<ARGC; i++) ARGV[i-1]=ARGV[i]
		ARGC=ARGC-1
	}
}

FNR==1 {
	if ( ARGIND != 1 ) {
		process_data(NAME,VER,REL,SRC)
		NAME="" ; VER="" ; REL=""
		for (i in DEFS) delete DEFS[i]
		for (i in SRC) delete SRC[i]
	}
	FNAME=FILENAME
}

/^[Uu][Rr][Ll]:/&&(URL=="") { URL=subst_defines($2,DEFS) ; DEFS["url"]=URL }
/^[Nn]ame:/&&(NAME=="") { NAME=subst_defines($2,DEFS) ; DEFS["name"]=NAME }
/^[Vv]ersion:/&&(VER=="") { VER=subst_defines($2,DEFS) ; DEFS["version"]=VER }
/^[Rr]elease:/&&(REL=="") { REL=subst_defines($2,DEFS) ; DEFS["release"]=REL }
/^[Ss]ource[0-9]*:/ { if (/(ftp|http):\/\//) SRC[FNR]=subst_defines($2,DEFS) }
/%define/ { DEFS[$2]=subst_defines($3,DEFS) }

END {
	process_data(NAME,VER,REL,SRC)
}
Commit	Line	Data
13ceb8f7	1	#!/bin/awk -f
13ceb8f7	2	# $Revision$, $Date$
60ca3809 ER	3	# TODO: "SourceXDownload" support (use given URLs if present instead of cut-down SourceX URLs)
60ca3809 ER	4
13ceb8f7	5	function fixedsub(s1,s2,t, ind) {
	6	# substitutes fixed strings (not regexps)
	7	if (ind = index(t,s1)) {
	8	t = substr(t, 1, ind-1) s2 substr(t, ind+length(s1))
	9	}
	10	return t
	11	}
	12
599d388f JB	13	function ispre(s) {
	14	if ((s~"pre")\|\|(s~"PRE")\|\|(s~"beta")\|\|(s~"BETA")\|\|(s~"alpha")\|\|(s~"ALPHA")\|\|(s~"rc")\|\|(s~"RC")) {
	15	if (DEBUG) print "pre-version"
	16	return 1
	17	} else {
	18	return 0
	19	}
	20	}
60ca3809	21
13ceb8f7	22	function compare_ver(v1,v2) {
	23	# compares version numbers
	24	while (match(v1,/[a-zA-Z][0-9]\|[0-9][a-zA-Z]/))
	25	v1=(substr(v1,1,RSTART) "." substr(v1,RSTART+RLENGTH-1))
	26	while (match(v2,/[a-zA-Z][0-9]\|[0-9][a-zA-Z]/))
	27	v2=(substr(v2,1,RSTART) "." substr(v2,RSTART+RLENGTH-1))
	28	sub("^0*","",v1)
	29	sub("^0*","",v2)
568630a3 JB	30	gsub("\.0*",".",v1)
568630a3 JB	31	gsub("\.0*",".",v2)
13ceb8f7	32	if (DEBUG) print "v1 == " v1
	33	if (DEBUG) print "v2 == " v2
	34	count=split(v1,v1a,"\.")
	35	count2=split(v2,v2a,"\.")
60ca3809 ER	36
60ca3809 ER	37	if (count<count2) mincount=count
13ceb8f7	38	else mincount=count2
60ca3809	39
13ceb8f7	40	for (i=1; i<=mincount; i++) {
	41	if (v1a[i]=="") v1a[i]=0
	42	if (v2a[i]=="") v2a[i]=0
	43	if (DEBUG) print "i == " i
	44	if (DEBUG) print "v1[i] == " v1a[i]
	45	if (DEBUG) print "v2[i] == " v2a[i]
	46	if ((v1a[i]~/[0-9]/)&&(v2a[i]~/[0-9]/)) {
	47	if (length(v2a[i])>length(v1a[i]))
	48	return 1
	49	else if (v2a[i]>v1a[i])
	50	return 1
	51	else if (length(v1a[i])>length(v2a[i]))
	52	return 0
	53	else if (v1a[i]>v2a[i])
	54	return 0
	55	} else if ((v1a[i]~/[A-Za-z]/)&&(v2a[i]~/[A-Za-z]/)) {
	56	if (v2a[i]>v1a[i])
	57	return 1
	58	else if (v1a[i]>v2a[i])
	59	return 0
599d388f	60	} else if (ispre(v1a[i]) == 1)
13ceb8f7	61	return 1
	62	else
	63	return 0
	64	}
	65	if ((count2==mincount)&&(count!=count2)) {
	66	for (i=count2+1; i<=count; i++)
599d388f	67	if (ispre(v1a[i]) == 1)
13ceb8f7	68	return 1
	69	return 0
	70	} else if (count!=count2) {
	71	for (i=count+1; i<=count2; i++)
599d388f	72	if (ispre(v2a[i]) == 1)
13ceb8f7	73	return 0
	74	return 1
	75	}
	76	return 0
	77	}
	78
568630a3 JB	79	function compare_ver_dec(v1,v2) {
	80	# compares version numbers as decimal floats
	81	while (match(v1,/[0-9][a-zA-Z]/))
	82	v1=(substr(v1,1,RSTART) "." substr(v1,RSTART+RLENGTH-1))
	83	while (match(v2,/[0-9][a-zA-Z]/))
	84	v2=(substr(v2,1,RSTART) "." substr(v2,RSTART+RLENGTH-1))
	85	sub("^0*","",v1)
	86	sub("^0*","",v2)
	87	if (DEBUG) print "v1 == " v1
	88	if (DEBUG) print "v2 == " v2
	89	count=split(v1,v1a,"\.")
	90	count2=split(v2,v2a,"\.")
60ca3809 ER	91
60ca3809 ER	92	if (count<count2) mincount=count
568630a3	93	else mincount=count2
60ca3809	94
568630a3 JB	95	for (i=1; i<=mincount; i++) {
	96	if (v1a[i]=="") v1a[i]=0
	97	if (v2a[i]=="") v2a[i]=0
	98	if (DEBUG) print "i == " i
	99	if (DEBUG) print "v1[i] == " v1a[i]
	100	if (DEBUG) print "v2[i] == " v2a[i]
	101	if ((v1a[i]~/[0-9]/)&&(v2a[i]~/[0-9]/)) {
	102	if (i==2) {
	103	if (0+("." v2a[i])>0+("." v1a[i]))
	104	return 1
	105	else if (0+("." v1a[i])>0+("." v2a[i]))
	106	return 0
	107	} else {
	108	if (length(v2a[i])>length(v1a[i]))
	109	return 1
	110	else if (v2a[i]>v1a[i])
	111	return 1
	112	else if (length(v1a[i])>length(v2a[i]))
	113	return 0
	114	else if (v1a[i]>v2a[i])
	115	return 0
	116	}
	117	} else if ((v1a[i]~/[A-Za-z]/)&&(v2a[i]~/[A-Za-z]/)) {
	118	if (v2a[i]>v1a[i])
	119	return 1
	120	else if (v1a[i]>v2a[i])
	121	return 0
599d388f	122	} else if (ispre(v1a[i]) == 1)
568630a3 JB	123	return 1
	124	else
	125	return 0
	126	}
	127	if ((count2==mincount)&&(count!=count2)) {
	128	for (i=count2+1; i<=count; i++)
599d388f	129	if (ispre(v1a[i]) == 1)
568630a3 JB	130	return 1
	131	return 0
	132	} else if (count!=count2) {
	133	for (i=count+1; i<=count2; i++)
599d388f	134	if (ispre(v2a[i]) == 1)
568630a3 JB	135	return 0
	136	return 1
	137	}
	138	return 0
	139	}
	140
60ca3809	141	function get_links(url, errno,link,oneline,retval,odp,wholeodp,lowerodp,tmpfile) {
13ceb8f7	142	# get all <A HREF=..> tags from specified URL
	143	"mktemp /tmp/XXXXXX" \| getline tmpfile
	144	close("mktemp /tmp/XXXXXX")
60ca3809 ER	145
	146	if (url ~ /^http:\/\/(download\|dl).(sf\|sourceforge).net\//) {
	147	gsub("^http://(download\|dl).(sf\|sourceforge).net/", "", url)
	148	url = "http://prdownloads.sourceforge.net/" substr(url, 1, 1) "/" substr(url, 1, 2) "/" url
	149	if (DEBUG) print "sf url, mungled url to: " url
	150	}
	151
13ceb8f7	152	if (DEBUG) print "Retrieving: " url
568630a3	153	errno=system("wget -O - \"" url "\" -t 3 -T 300 --passive-ftp > " tmpfile " 2>/dev/null" )
60ca3809	154
13ceb8f7	155	if (errno==0) {
13ceb8f7	156	while (getline oneline < tmpfile)
60ca3809 ER	157	wholeodp=(wholeodp " " oneline)
60ca3809 ER	158	if ( DEBUG ) print "Response: " wholeodp
13ceb8f7	159	}
60ca3809	160
13ceb8f7	161	close(tmpfile)
13ceb8f7	162	system("rm -f " tmpfile)
568630a3 JB	163	urldir=url;
568630a3 JB	164	sub(/[^\/]+$/,"",urldir)
60ca3809	165
13ceb8f7	166	if ( errno==0) {
60ca3809 ER	167	while (match(wholeodp, /<([aA]\|[fF][rR][aA][mM][eE])[ \t][^>]*>/) > 0) {
	168	odp=substr(wholeodp,RSTART,RLENGTH);
	169	wholeodp=substr(wholeodp,RSTART+RLENGTH);
	170
	171	lowerodp=tolower(odp);
	172	if (lowerodp ~ /<frame[ \t]/) {
	173	sub(/[sS][rR][cC]=[ \t]*/,"src=",odp);
	174	match(odp,/src="[^"]+"/)
	175	newurl=substr(odp,RSTART+5,RLENGTH-6)
	176	if (DEBUG) print "Frame: " newurl
568630a3 JB	177	if (newurl !~ /\//) {
568630a3 JB	178	newurl=(urldir newurl)
60ca3809	179	if (DEBUG) print "Frame->: " newurl
568630a3	180	}
13ceb8f7	181	retval=(retval " " get_links(newurl))
60ca3809 ER	182	} else if (lowerodp ~ /href=[ \t]"[^"]"/) {
	183	sub(/[hH][rR][eE][fF]=[ \t]*"/,"href=\"",odp)
	184	match(odp,/href="[^"]*"/)
	185	link=substr(odp,RSTART,RLENGTH)
	186	odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
	187	link=substr(link,7,length(link)-7)
	188	retval=(retval " " link)
	189	if (DEBUG) print "href(\"\"): " link
	190	} else if (lowerodp ~ /href=[ \t]'[^']'/) {
	191	sub(/[hH][rR][eE][fF]=[ \t]*'/,"href='",odp)
	192	match(odp,/href='[^']*'/)
13ceb8f7	193	link=substr(odp,RSTART,RLENGTH)
60ca3809	194	odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
13ceb8f7	195	link=substr(link,7,length(link)-7)
13ceb8f7	196	retval=(retval " " link)
60ca3809 ER	197	if (DEBUG) print "href(''): " link
	198	} else if (lowerodp ~ /href=[ \t][^ \t>]/) {
	199	sub(/[hH][rR][eE][fF]=[ \t]*/,"href=",odp)
	200	match(odp,/href=[^ \t>]*/)
13ceb8f7	201	link=substr(odp,RSTART,RLENGTH)
60ca3809	202	odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
13ceb8f7	203	link=substr(link,6,length(link)-5)
13ceb8f7	204	retval=(retval " " link)
60ca3809	205	if (DEBUG) print "href(): " link
568630a3	206	} else {
60ca3809 ER	207	# <a ...> but not href - skip
60ca3809 ER	208	if (DEBUG) print "skipping <a > without href: " odp
13ceb8f7	209	}
	210	}
	211	} else {
	212	retval=("WGET ERROR: " errno)
	213	}
60ca3809 ER	214
	215
	216	if (DEBUG) print "Returning: " retval
13ceb8f7	217	return retval
	218	}
	219
	220	function subst_defines(var,defs) {
	221	# substitute all possible RPM macros
	222	while ((var ~ /%{.*}/) \|\| (var ~ /%[A-Za-z0-9_]+/)) {
	223	oldvar=var
	224	for (j in defs) {
	225	gsub("%{" j "}", defs[j], var)
	226	gsub("%" j , defs[j], var)
	227	}
	228	if (var==oldvar) {
	229	if ( DEBUG ) for (i in defs) print i " == " defs[i]
	230	return var
	231	}
	232	}
	233	return var
	234	}
	235
	236	function find_mirror(url) {
	237
	238	while (succ = (getline line < "mirrors")) {
	239	if (succ==-1) { return url }
	240	nf=split(line,fields,"\|")
	241	if (nf>1){
	242	origin=fields[1]
	243	mirror=fields[2]
	244	mname=fields[3]
	245	prefix=substr(url,1,length(origin))
	246	if (prefix==origin){
60ca3809	247	if ( DEBUG ) print "Mirror fount at " mname
13ceb8f7	248	close("mirrors")
60ca3809	249	return mirror substr(url,length(origin)+1)
13ceb8f7	250	}
	251	}
	252	}
	253
	254	return url
	255	}
	256
	257	function process_source(number,lurl,name,version) {
	258	# fetches file list, and compares version numbers
60ca3809	259	if ( DEBUG ) print "Processing " lurl
13ceb8f7	260
13ceb8f7	261	if ( index(lurl,version)==0 ) {
60ca3809	262	if (DEBUG) print "There is no version number."
13ceb8f7	263	return 0
	264	}
	265
	266	sub("://",":",lurl)
	267	sub("/",":/",lurl)
	268	gsub("[^/]*$",":&",lurl)
	269	split(lurl,url,":")
	270	acc=url[1]
	271	host=url[2]
	272	dir=url[3]
	273	filename=url[4]
	274
	275	if (index(dir,version)) {
	276	dir=substr(dir,1,index(dir,version)-1)
	277	sub("[^/]*$","",dir)
	278	sub("(\.tar\.(bz\|bz2\|gz)\|zip)$","",filename)
60ca3809 ER	279	if ( DEBUG ) print "Will check a directory: " dir
60ca3809 ER	280	if ( DEBUG ) print "and a file: " filename
13ceb8f7	281	}
	282
	283	filenameexp=filename
	284	gsub("\+","\\+",filenameexp)
599d388f JB	285	sub(version,"[A-Za-z0-9.]+",filenameexp)
599d388f JB	286	gsub("\.","\\.",filenameexp)
60ca3809	287	if ( DEBUG ) print "Expression: " filenameexp
13ceb8f7	288	match(filename,version)
	289	prever=substr(filename,1,RSTART-1)
	290	postver=substr(filename,RSTART+RLENGTH)
60ca3809 ER	291	if ( DEBUG ) print "Before number: " prever
	292	if ( DEBUG ) print "and after: " postver
	293	newurl=find_mirror(acc "://" host dir)
13ceb8f7	294	#print acc "://" host dir
	295	#newurl=url[1]"://"url[2]url[3]url[4]
	296	#newurl=acc "://" host dir filename
60ca3809 ER	297	if ( DEBUG ) print "Looking at " newurl
60ca3809 ER	298
13ceb8f7	299	references=0
	300	finished=0
	301	oldversion=version
	302	odp=get_links(newurl)
	303	if( odp ~ "ERROR: ") {
	304	print name "(" number ") " odp
	305	} else {
60ca3809	306	if (DEBUG) print "WebPage downloaded"
13ceb8f7	307	c=split(odp,linki)
	308	for (nr=1; nr<=c; nr++) {
	309	addr=linki[nr]
60ca3809	310	if (DEBUG) print "Found link: " addr
934f886d	311	if ((addr ~ filenameexp) && !(addr ~ "[-_.0-9A-Za-z~]" filenameexp)) {
13ceb8f7	312	match(addr,filenameexp)
13ceb8f7	313	newfilename=substr(addr,RSTART,RLENGTH)
60ca3809	314	if (DEBUG) print "Hypothetical new: " newfilename
13ceb8f7	315	newfilename=fixedsub(prever,"",newfilename)
13ceb8f7	316	newfilename=fixedsub(postver,"",newfilename)
60ca3809 ER	317	if (DEBUG) print "Version: " newfilename
60ca3809 ER	318	if (newfilename ~ /\.(pkg\|bin\|binary\|built)$/) continue
568630a3 JB	319	if (NUMERIC) {
568630a3 JB	320	if ( compare_ver_dec(version, newfilename)==1 ) {
60ca3809	321	if (DEBUG) print "Yes, there is new one"
568630a3 JB	322	version=newfilename
	323	finished=1
	324	}
	325	} else if ( compare_ver(version, newfilename)==1 ) {
60ca3809	326	if (DEBUG) print "Yes, there is new one"
13ceb8f7	327	version=newfilename
	328	finished=1
	329	}
	330	}
	331	}
	332	if (finished==0)
	333	print name "(" number ") seems ok: " oldversion
	334	else
	335	print name "(" number ") [OLD] " oldversion " [NEW] " version
	336	}
	337	}
60ca3809 ER	338
	339	# upgrade check for pear package using PEAR CLI
	340	function pear_upgrade(name, ver) {
	341	pname = name;
	342	sub(/^php-pear-/, "", pname);
	343
	344	pearcmd = "pear remote-info " pname " \| awk '/^Latest/{print $NF}'"
	345	if (DEBUG) {
	346	print "pearcmd: " pearcmd
	347	}
	348	pearcmd \| getline nver
	349	close(pearcmd)
	350
	351	if (compare_ver(ver, nver)) {
	352	print name " [OLD] " ver " [NEW] " nver
	353	} else {
	354	print name " seems ok: " ver
	355	}
	356
	357	return
	358	}
	359
13ceb8f7	360	function process_data(name,ver,rel,src) {
60ca3809 ER	361	if (name ~ /^php-pear-/) {
	362	return pear_upgrade(name, ver);
	363	}
	364
13ceb8f7	365	# this function checks if substitutions were valid, and if true:
	366	# processes each URL and tries to get current file list
	367	for (i in src) {
	368	if ( src[i] !~ /%{.*}/ && src[i] !~ /%[A-Za-z0-9_]/ ) {
60ca3809	369	if ( DEBUG ) print "Source: " src[i]
13ceb8f7	370	process_source(i,src[i],name,ver)
13ceb8f7	371	} else {
60ca3809	372	print FNAME ":" i ": impossible substitution: " src[i]
13ceb8f7	373	}
	374	}
	375	}
	376
	377	BEGIN {
	378	# if U want to use DEBUG, run script with "-v DEBUG=1"
	379	# or uncomment the line below
	380	# DEBUG = 1
	381
	382	errno=system("wget --help > /dev/null 2>&1")
	383	if (errno) {
	384	print "No wget installed!"
	385	exit 1
	386	}
568630a3 JB	387	if (ARGC>=3 && ARGV[2]=="-n") {
568630a3 JB	388	NUMERIC=1
60ca3809	389	for (i=3; i<ARGC; i++) ARGV[i-1]=ARGV[i]
568630a3 JB	390	ARGC=ARGC-1
568630a3 JB	391	}
13ceb8f7	392	}
	393
	394	FNR==1 {
	395	if ( ARGIND != 1 ) {
	396	process_data(NAME,VER,REL,SRC)
	397	NAME="" ; VER="" ; REL=""
	398	for (i in DEFS) delete DEFS[i]
	399	for (i in SRC) delete SRC[i]
	400	}
	401	FNAME=FILENAME
	402	}
	403
	404	/^[Uu][Rr][Ll]:/&&(URL=="") { URL=subst_defines($2,DEFS) ; DEFS["url"]=URL }
	405	/^[Nn]ame:/&&(NAME=="") { NAME=subst_defines($2,DEFS) ; DEFS["name"]=NAME }
	406	/^[Vv]ersion:/&&(VER=="") { VER=subst_defines($2,DEFS) ; DEFS["version"]=VER }
	407	/^[Rr]elease:/&&(REL=="") { REL=subst_defines($2,DEFS) ; DEFS["release"]=REL }
	408	/^[Ss]ource[0-9]*:/ { if (/(ftp\|http):\/\//) SRC[FNR]=subst_defines($2,DEFS) }
	409	/%define/ { DEFS[$2]=subst_defines($3,DEFS) }
	410
	411	END {
	412	process_data(NAME,VER,REL,SRC)
	413	}