29 lines
978 B
Factor
29 lines
978 B
Factor
! (c)2009 Joe Groff bsd license
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USING: fry io io.directories io.encodings.ascii
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io.encodings.utf8 io.launcher io.pathnames kernel lexer
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namespaces parser sequences splitting vocabs vocabs.loader ;
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IN: vocabs.git
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<PRIVATE
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: git-object-id ( filename rev -- id/f )
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[ [ parent-directory ] [ file-name ] bi ] dip swap '[
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{ "git" "ls-tree" } _ suffix _ suffix ascii [
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readln
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[ " " split1 nip " " split1 nip "\t" split1 drop ]
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[ f ] if*
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] with-process-reader
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] with-directory ;
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: with-git-object-stream ( id quot -- )
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[ { "git" "cat-file" "-p" } swap suffix utf8 ] dip with-process-reader ; inline
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PRIVATE>
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ERROR: git-revision-not-found path ;
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: use-vocab-rev ( vocab-name rev -- )
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[ create-vocab vocab-source-path dup ] dip git-object-id
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[ [ input-stream get swap parse-stream call( -- ) ] with-git-object-stream ]
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[ git-revision-not-found ] if* ;
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SYNTAX: USE-REV: scan-token scan-token use-vocab-rev ;
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