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0db58532 MM |
1 | #!/usr/bin/perl |
2 | # | |
3 | # USAGE: specparser.pl file.spec | |
4 | # | |
5 | # Output: | |
6 | # stdout: | |
7 | # list of: | |
8 | # <md5><space><url>\n | |
9 | # for given specfile. | |
10 | # stderr: | |
11 | # diagnostics | |
12 | # exit status: | |
13 | # 0 - normal | |
14 | # 2 - cannot open spec file | |
15 | # | |
16 | ||
17 | %macro = (); | |
18 | ||
19 | # expand macros in string | |
20 | sub expand($) | |
21 | { | |
22 | my $v = shift; | |
23 | my $cnt = 20; | |
24 | ||
25 | while ($cnt-- > 0 && $v =~ /\%\{([^\{]+)\}/) { | |
26 | my $value; | |
27 | if (defined $macro{$1}) { | |
28 | $value = $macro{$1}; | |
29 | } else { | |
30 | $value = "\@undef:$1\@"; | |
31 | } | |
32 | $v =~ s/\%\{([^\{]+)\}/$value/; | |
33 | last if (length $v > 1000); | |
34 | } | |
35 | return $v; | |
36 | } | |
37 | ||
38 | # define given macro | |
39 | sub define($$) | |
40 | { | |
41 | my ($n, $v) = @_; | |
42 | $macro{$n} = expand($v); | |
43 | } | |
44 | ||
45 | # sets hash of macros defined with %define or %global | |
46 | # also define %{name}, %{version} and %{source_N} | |
47 | sub parse_defines($) | |
48 | { | |
49 | open(F, "< $_[0]") or die; | |
50 | while (<F>) { | |
51 | chomp; | |
52 | if (/^\s*\%(define|global)\s+([^\s]+)\s+([^\s].*)$/) { | |
53 | define($2, $3); | |
54 | } elsif (/^Version\s*:\s*(.*)/i) { | |
55 | define("version", $1); | |
56 | } elsif (/^Name\s*:\s*(.*)/i) { | |
57 | define("name", $1); | |
58 | } elsif (/^Source(\d+)\s*:\s*(.*)/i) { | |
59 | define("source_$1", $2); | |
60 | } | |
61 | } | |
62 | close(F); | |
63 | } | |
64 | ||
65 | sub print_md5($) | |
66 | { | |
67 | open(F, "< $_[0]") or die; | |
68 | while (<F>) { | |
69 | chomp; | |
70 | if (/^\s*#\s*source(\d+)-md5\s*:\s*([a-f0-9]{32})/i) { | |
71 | if (defined $macro{"source_$1"}) { | |
72 | my $s = $macro{"source_$1"}; | |
73 | my $md5 = $2; | |
7882011d | 74 | if ($s =~ /^([a-z0-9A-Z:\+\~\.\-\/_]|\%[0-9])+$/) { |
0db58532 | 75 | print "$md5 $s\n"; |
7882011d MM |
76 | } else { |
77 | print STDERR "$_[0]: source url $s is ill-formatted\n"; | |
0db58532 MM |
78 | } |
79 | } else { | |
80 | print STDERR "$_[0]: source $1 not defined\n"; | |
81 | } | |
82 | } | |
83 | } | |
84 | close(F); | |
85 | } | |
86 | ||
87 | $spec = shift; | |
88 | ||
89 | parse_defines($spec); | |
90 | print_md5($spec); | |
91 | ||
92 | exit(0); |