[packages/rpm-build-tools.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,tmpfile) {
# get all <A HREF=..> tags from specified URL
	"mktemp /tmp/XXXXXX" | getline tmpfile
	close("mktemp /tmp/XXXXXX")
	
	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)
			odp=(odp " " oneline)
		if ( DEBUG ) print "Response: " odp
	}
	
	close(tmpfile)
	system("rm -f " tmpfile)
	urldir=url;
	sub(/[^\/]+$/,"",urldir)
	if ( errno==0) {
		while ((tolower(odp) ~ /<frame[ \t]/)||(tolower(odp) ~ /href=/)) {
			if (tolower(odp) ~ /<frame[ \t]/) {
				match(tolower(odp),/<frame[ \t][^>]*>/)
				ramka=substr(odp,RSTART,RLENGTH)
				odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
				sub(/[sS][rR][cC]=[ \t]*/,"src=",ramka);
				match(ramka,/src="[^"]+"/)
				newurl=substr(ramka,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 (tolower(odp) ~ /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 (tolower(odp) ~ /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 (tolower(odp) ~ /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 {
				retval=(retval " INTERNAL_ERROR")
				break
			}
		}
	} 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 "Hipotetical 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
	}
}
	
function process_data(name,ver,rel,src) {
# 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 ": niemozliwe podstawienie: " 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
6fb3305d	1	#!/bin/awk -f
d4089f30	2	# $Revision$, $Date$
3ca67c5b JB	3	# TODO: "SourceXDownload" support (use given URLs if present instead of cut-down SourceX URLs)
3ca67c5b JB	4
2aba2068 SZ	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	}
6fb3305d	12
e3c5f324 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	}
	21
70a5e8d4 SZ	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)
e2ebf07c JB	30	gsub("\.0*",".",v1)
e2ebf07c JB	31	gsub("\.0*",".",v2)
70a5e8d4 SZ	32	if (DEBUG) print "v1 == " v1
	33	if (DEBUG) print "v2 == " v2
	34	count=split(v1,v1a,"\.")
	35	count2=split(v2,v2a,"\.")
	36
	37	if (count<count2) mincount=count
	38	else mincount=count2
	39
	40	for (i=1; i<=mincount; i++) {
db83adc3 SZ	41	if (v1a[i]=="") v1a[i]=0
db83adc3 SZ	42	if (v2a[i]=="") v2a[i]=0
70a5e8d4 SZ	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
e3c5f324	60	} else if (ispre(v1a[i]) == 1)
70a5e8d4 SZ	61	return 1
	62	else
	63	return 0
	64	}
	65	if ((count2==mincount)&&(count!=count2)) {
	66	for (i=count2+1; i<=count; i++)
e3c5f324	67	if (ispre(v1a[i]) == 1)
70a5e8d4 SZ	68	return 1
	69	return 0
	70	} else if (count!=count2) {
	71	for (i=count+1; i<=count2; i++)
e3c5f324	72	if (ispre(v2a[i]) == 1)
70a5e8d4 SZ	73	return 0
	74	return 1
	75	}
db4f445e	76	return 0
70a5e8d4 SZ	77	}
70a5e8d4 SZ	78
f11b5a76	79	function compare_ver_dec(v1,v2) {
b8b1ac2a	80	# compares version numbers as decimal floats
f11b5a76	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,"\.")
	91
	92	if (count<count2) mincount=count
	93	else mincount=count2
	94
	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
e3c5f324	122	} else if (ispre(v1a[i]) == 1)
f11b5a76	123	return 1
	124	else
	125	return 0
	126	}
	127	if ((count2==mincount)&&(count!=count2)) {
	128	for (i=count2+1; i<=count; i++)
e3c5f324	129	if (ispre(v1a[i]) == 1)
f11b5a76	130	return 1
	131	return 0
	132	} else if (count!=count2) {
	133	for (i=count+1; i<=count2; i++)
e3c5f324	134	if (ispre(v2a[i]) == 1)
f11b5a76	135	return 0
	136	return 1
	137	}
	138	return 0
	139	}
	140
2e301ef5	141	function get_links(url, errno,link,oneline,retval,odp,tmpfile) {
70a5e8d4	142	# get all <A HREF=..> tags from specified URL
db4f445e SZ	143	"mktemp /tmp/XXXXXX" \| getline tmpfile
db4f445e SZ	144	close("mktemp /tmp/XXXXXX")
2e301ef5 SZ	145
2e301ef5 SZ	146	if (DEBUG) print "Retrieving: " url
2d9cc4bb	147	errno=system("wget -O - \"" url "\" -t 3 -T 300 --passive-ftp > " tmpfile " 2>/dev/null" )
70a5e8d4	148
3f63995d	149	if (errno==0) {
7f460828 SZ	150	while (getline oneline < tmpfile)
7f460828 SZ	151	odp=(odp " " oneline)
157aa7fc	152	if ( DEBUG ) print "Response: " odp
70a5e8d4	153	}
6f57d45d	154
3f63995d	155	close(tmpfile)
2e301ef5	156	system("rm -f " tmpfile)
55658186 JB	157	urldir=url;
55658186 JB	158	sub(/[^\/]+$/,"",urldir)
3f63995d	159	if ( errno==0) {
93c3b403 SZ	160	while ((tolower(odp) ~ /<frame[ \t]/)\|\|(tolower(odp) ~ /href=/)) {
	161	if (tolower(odp) ~ /<frame[ \t]/) {
	162	match(tolower(odp),/<frame[ \t][^>]*>/)
	163	ramka=substr(odp,RSTART,RLENGTH)
b5e77f8f	164	odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
4dde5541	165	sub(/[sS][rR][cC]=[ \t]*/,"src=",ramka);
b5e77f8f	166	match(ramka,/src="[^"]+"/)
2e301ef5	167	newurl=substr(ramka,RSTART+5,RLENGTH-6)
157aa7fc	168	if (DEBUG) print "Frame: " newurl
55658186 JB	169	if (newurl !~ /\//) {
55658186 JB	170	newurl=(urldir newurl)
157aa7fc	171	if (DEBUG) print "Frame->: " newurl
55658186	172	}
2e301ef5	173	retval=(retval " " get_links(newurl))
95fcfc77	174	} else if (tolower(odp) ~ /href=[ \t]"[^"]"/) {
b5e77f8f	175	sub(/[hH][rR][eE][fF]=[ \t]*"/,"href=\"",odp)
95fcfc77	176	match(odp,/href="[^"]*"/)
b5e77f8f JB	177	link=substr(odp,RSTART,RLENGTH)
	178	odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
	179	link=substr(link,7,length(link)-7)
	180	retval=(retval " " link)
95fcfc77 JB	181	if (DEBUG) print "href(\"\"): " link
95fcfc77 JB	182	} else if (tolower(odp) ~ /href=[ \t]'[^']'/) {
b5e77f8f	183	sub(/[hH][rR][eE][fF]=[ \t]*'/,"href='",odp)
95fcfc77	184	match(odp,/href='[^']*'/)
93c3b403	185	link=substr(odp,RSTART,RLENGTH)
b5e77f8f	186	odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
93c3b403 SZ	187	link=substr(link,7,length(link)-7)
93c3b403 SZ	188	retval=(retval " " link)
95fcfc77 JB	189	if (DEBUG) print "href(''): " link
95fcfc77 JB	190	} else if (tolower(odp) ~ /href=[ \t][^ \t>]/) {
4dde5541	191	sub(/[hH][rR][eE][fF]=[ \t]*/,"href=",odp)
95fcfc77	192	match(odp,/href=[^ \t>]*/)
8dfac79d	193	link=substr(odp,RSTART,RLENGTH)
b5e77f8f	194	odp=substr(odp,1,RSTART) substr(odp,RSTART+RLENGTH)
8dfac79d SZ	195	link=substr(link,6,length(link)-5)
8dfac79d SZ	196	retval=(retval " " link)
95fcfc77	197	if (DEBUG) print "href(): " link
6f57d45d JB	198	} else {
	199	retval=(retval " INTERNAL_ERROR")
	200	break
93c3b403	201	}
3f63995d SZ	202	}
3f63995d SZ	203	} else {
2e301ef5	204	retval=("WGET ERROR: " errno)
3f63995d SZ	205	}
3f63995d SZ	206
db4f445e	207
157aa7fc	208	if (DEBUG) print "Returning: " retval
db4f445e	209	return retval
70a5e8d4 SZ	210	}
70a5e8d4 SZ	211
6fb3305d	212	function subst_defines(var,defs) {
3255b4c7	213	# substitute all possible RPM macros
6fb3305d SZ	214	while ((var ~ /%{.*}/) \|\| (var ~ /%[A-Za-z0-9_]+/)) {
	215	oldvar=var
	216	for (j in defs) {
	217	gsub("%{" j "}", defs[j], var)
	218	gsub("%" j , defs[j], var)
	219	}
	220	if (var==oldvar) {
	221	if ( DEBUG ) for (i in defs) print i " == " defs[i]
	222	return var
	223	}
	224	}
	225	return var
	226	}
	227
c0bee1bc JK	228	function find_mirror(url) {
c0bee1bc JK	229
c54fbfc1 MK	230	while (succ = (getline line < "mirrors")) {
c54fbfc1 MK	231	if (succ==-1) { return url }
c0bee1bc	232	nf=split(line,fields,"\|")
a6f2cc98	233	if (nf>1){
c0bee1bc JK	234	origin=fields[1]
	235	mirror=fields[2]
	236	mname=fields[3]
	237	prefix=substr(url,1,length(origin))
	238	if (prefix==origin){
157aa7fc	239	if ( DEBUG ) print "Mirror fount at " mname
c0bee1bc	240	close("mirrors")
21b99dbc	241	return mirror substr(url,length(origin)+1)
c0bee1bc JK	242	}
	243	}
	244	}
	245
	246	return url
	247	}
	248
32aede2f	249	function process_source(number,lurl,name,version) {
3255b4c7	250	# fetches file list, and compares version numbers
157aa7fc	251	if ( DEBUG ) print "Processing " lurl
3f63995d SZ	252
3f63995d SZ	253	if ( index(lurl,version)==0 ) {
157aa7fc	254	if (DEBUG) print "There is no version number."
3f63995d SZ	255	return 0
	256	}
	257
6fb3305d SZ	258	sub("://",":",lurl)
	259	sub("/",":/",lurl)
	260	gsub("[^/]*$",":&",lurl)
	261	split(lurl,url,":")
	262	acc=url[1]
	263	host=url[2]
	264	dir=url[3]
70a5e8d4 SZ	265	filename=url[4]
70a5e8d4 SZ	266
3f63995d	267	if (index(dir,version)) {
70a5e8d4 SZ	268	dir=substr(dir,1,index(dir,version)-1)
	269	sub("[^/]*$","",dir)
	270	sub("(\.tar\.(bz\|bz2\|gz)\|zip)$","",filename)
157aa7fc AM	271	if ( DEBUG ) print "Will check a directory: " dir
157aa7fc AM	272	if ( DEBUG ) print "and a file: " filename
70a5e8d4	273	}
3f63995d	274
70a5e8d4 SZ	275	filenameexp=filename
70a5e8d4 SZ	276	gsub("\+","\\+",filenameexp)
0269da83	277	sub(version,"[A-Za-z0-9.]+",filenameexp)
e12bdf15	278	gsub("\.","\\.",filenameexp)
157aa7fc	279	if ( DEBUG ) print "Expression: " filenameexp
70a5e8d4 SZ	280	match(filename,version)
	281	prever=substr(filename,1,RSTART-1)
	282	postver=substr(filename,RSTART+RLENGTH)
157aa7fc AM	283	if ( DEBUG ) print "Before number: " prever
157aa7fc AM	284	if ( DEBUG ) print "and after: " postver
c0bee1bc	285	newurl=find_mirror(acc "://" host dir)
c54fbfc1 MK	286	#print acc "://" host dir
	287	#newurl=url[1]"://"url[2]url[3]url[4]
	288	#newurl=acc "://" host dir filename
157aa7fc	289	if ( DEBUG ) print "Looking at " newurl
6fb3305d SZ	290
6fb3305d SZ	291	references=0
db83adc3	292	finished=0
db4f445e	293	oldversion=version
c0bee1bc	294	odp=get_links(newurl)
3f63995d SZ	295	if( odp ~ "ERROR: ") {
3f63995d SZ	296	print name "(" number ") " odp
188dc51f	297	} else {
157aa7fc	298	if (DEBUG) print "WebPage downloaded"
188dc51f SZ	299	c=split(odp,linki)
	300	for (nr=1; nr<=c; nr++) {
	301	addr=linki[nr]
157aa7fc	302	if (DEBUG) print "Found link: " addr
3c68e899	303	if ((addr ~ filenameexp) && !(addr ~ "[-_.0-9A-Za-z~]" filenameexp)) {
188dc51f SZ	304	match(addr,filenameexp)
188dc51f SZ	305	newfilename=substr(addr,RSTART,RLENGTH)
157aa7fc	306	if (DEBUG) print "Hipotetical new: " newfilename
2aba2068 SZ	307	newfilename=fixedsub(prever,"",newfilename)
2aba2068 SZ	308	newfilename=fixedsub(postver,"",newfilename)
157aa7fc	309	if (DEBUG) print "Version: " newfilename
155ac0a8	310	if (newfilename ~ /\.(pkg\|bin\|binary\|built)$/) continue
f11b5a76	311	if (NUMERIC) {
f11b5a76	312	if ( compare_ver_dec(version, newfilename)==1 ) {
157aa7fc	313	if (DEBUG) print "Yes, there is new one"
f11b5a76	314	version=newfilename
	315	finished=1
	316	}
	317	} else if ( compare_ver(version, newfilename)==1 ) {
157aa7fc	318	if (DEBUG) print "Yes, there is new one"
188dc51f SZ	319	version=newfilename
	320	finished=1
	321	}
70a5e8d4	322	}
6fb3305d	323	}
188dc51f	324	if (finished==0)
f1b8a975	325	print name "(" number ") seems ok: " oldversion
188dc51f SZ	326	else
188dc51f SZ	327	print name "(" number ") [OLD] " oldversion " [NEW] " version
6fb3305d SZ	328	}
	329	}
	330
3255b4c7 SZ	331	function process_data(name,ver,rel,src) {
	332	# this function checks if substitutions were valid, and if true:
	333	# processes each URL and tries to get current file list
6fb3305d SZ	334	for (i in src) {
6fb3305d SZ	335	if ( src[i] !~ /%{.*}/ && src[i] !~ /%[A-Za-z0-9_]/ ) {
157aa7fc	336	if ( DEBUG ) print "Source: " src[i]
32aede2f	337	process_source(i,src[i],name,ver)
6fb3305d SZ	338	} else {
	339	print FNAME ":" i ": niemozliwe podstawienie: " src[i]
	340	}
	341	}
	342	}
	343
	344	BEGIN {
	345	# if U want to use DEBUG, run script with "-v DEBUG=1"
	346	# or uncomment the line below
70a5e8d4	347	# DEBUG = 1
2e301ef5 SZ	348
	349	errno=system("wget --help > /dev/null 2>&1")
	350	if (errno) {
	351	print "No wget installed!"
	352	exit 1
	353	}
f11b5a76	354	if (ARGC>=3 && ARGV[2]=="-n") {
	355	NUMERIC=1
	356	for (i=3; i<ARGC; i++) ARGV[i-1]=ARGV[i]
	357	ARGC=ARGC-1
	358	}
6fb3305d SZ	359	}
	360
	361	FNR==1 {
	362	if ( ARGIND != 1 ) {
3255b4c7	363	process_data(NAME,VER,REL,SRC)
6fb3305d SZ	364	NAME="" ; VER="" ; REL=""
	365	for (i in DEFS) delete DEFS[i]
	366	for (i in SRC) delete SRC[i]
	367	}
	368	FNAME=FILENAME
	369	}
	370
3255b4c7	371	/^[Uu][Rr][Ll]:/&&(URL=="") { URL=subst_defines($2,DEFS) ; DEFS["url"]=URL }
6fb3305d SZ	372	/^[Nn]ame:/&&(NAME=="") { NAME=subst_defines($2,DEFS) ; DEFS["name"]=NAME }
	373	/^[Vv]ersion:/&&(VER=="") { VER=subst_defines($2,DEFS) ; DEFS["version"]=VER }
	374	/^[Rr]elease:/&&(REL=="") { REL=subst_defines($2,DEFS) ; DEFS["release"]=REL }
	375	/^[Ss]ource[0-9]*:/ { if (/(ftp\|http):\/\//) SRC[FNR]=subst_defines($2,DEFS) }
	376	/%define/ { DEFS[$2]=subst_defines($3,DEFS) }
	377
	378	END {
3255b4c7	379	process_data(NAME,VER,REL,SRC)
6fb3305d	380	}