85 lines
3 KiB
Text
85 lines
3 KiB
Text
#------------------------------------------------------------------------------
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# $File: gentoo,v 1.5 2022/12/26 17:16:55 christos Exp $
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# gentoo: file(1) magic for gentoo specific formats
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#
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# Summary: Gentoo ebuild Manifest files (GLEP 74)
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# Reference: https://www.gentoo.org/glep/glep-0074.html
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# Submitted by: Michal Gorny <mgorny@gentoo.org>
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# Start by doing a fast check for the most common tags.
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0 string AUX
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>0 use gentoo-manifest
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0 string DATA
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>0 use gentoo-manifest
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0 string DIST
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>0 use gentoo-manifest
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0 string EBUILD
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>0 use gentoo-manifest
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0 string MANIFEST
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>0 use gentoo-manifest
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# Manifest can be PGP-signed.
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0 string -----BEGIN\040PGP\040SIGNED\040MESSAGE-----
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>34 search/32 \n\n
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>>&0 string AUX
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>>>&0 use gentoo-manifest
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>>&0 string DATA
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>>>&0 use gentoo-manifest
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>>&0 string DIST
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>>>&0 use gentoo-manifest
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>>&0 string EBUILD
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>>>&0 use gentoo-manifest
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>>&0 string MANIFEST
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>>>&0 use gentoo-manifest
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# Use a more detailed regex to verify that we were correct.
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# <tag> <filename> <size> <hash-name> <hash-value>...
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# (<tag>'s already been matched prior to calling)
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0 name gentoo-manifest
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>&0 regex [[:space:]]+[[:print:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:alnum:]]+[[:space:]]+[[:xdigit:]]{32} Gentoo Manifest (GLEP 74)
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!:mime application/vnd.gentoo.manifest
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# Summary: Gentoo ebuild and eclass files
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# Reference: https://projects.gentoo.org/pms/8/pms.html
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# Submitted by: Michal Gorny <mgorny@gentoo.org>
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0 search/512 EAPI=
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>0 regex .*\n[\040\t]*EAPI=["']? Gentoo ebuild
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>>&0 regex [[:alnum:]+_.-]+ \b, EAPI %s
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!:mime application/vnd.gentoo.ebuild
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0 search/512 @ECLASS:\040 Gentoo eclass
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>&0 string x %s
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!:mime application/vnd.gentoo.eclass
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# Summary: Gentoo supplementary package and category metadata files
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# Reference: https://www.gentoo.org/glep/glep-0068.html
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# Submitted by: Michal Gorny <mgorny@gentoo.org>
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0 string \<?xml
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>0 search/512 \<catmetadata Gentoo category metadata file
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!:mime application/vnd.gentoo.catmetadata+xml
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>0 search/512 \<pkgmetadata Gentoo package metadata file
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!:mime application/vnd.gentoo.pkgmetadata+xml
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# Summary: Gentoo GLEP 78 binary package
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# Reference: https://www.gentoo.org/glep/glep-0078.html
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# Note: assumes the strict format
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# Submitted by: Michal Gorny <mgorny@gentoo.org>
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# GPKG uses ustar (or ustar-compatible GNU format) that starts with
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# a <directory>/gpkg-1 file
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257 string ustar
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>0 search/100 /gpkg-1\0
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>>0 regex [^/]+ Gentoo GLEP 78 (GPKG) binary package for "%s"
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!:mime application/vnd.gentoo.gpkg
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!:ext tar
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# the logic below requires the gpkg-1 file to be empty
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>>>124 string 00000000000\0
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# determine the compression used by looking at the second member name
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>>>>512 search/100 .tar.
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>>>>>&0 string gz\0 using gzip compression
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>>>>>&0 string bz2\0 using bzip2 compression
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>>>>>&0 string lz\0 using lzip compression
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>>>>>&0 string lz4\0 using lz4 compression
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>>>>>&0 string lzo\0 using lzo compression
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>>>>>&0 string xz\0 using xz compression
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>>>>>&0 string zst\0 using zstd compression
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>>>>(636.o+1024) search/611 .sig\0 \b, signed
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