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#!/usr/bin/env perl
# $Id$
# Public domain.  Originally written 2005, Karl Berry.
# Check if a package in TL has any changes on CTAN.

BEGIN {
  chomp ($mydir = `dirname $0`);  # we are in Master/tlpkg/bin
  unshift (@INC, "$mydir/..");
}

use TeXLive::TLConfig qw/$RelocPrefix $RelocTree/;
use TeXLive::TLPOBJ;
use TeXLive::TLPDB;

use File::Basename;

my $tlpdb;
my $Master;
our %OPT;

my @TLP_working = qw(
  12many 2up
  a0poster a2ping a4wide a5comb
    aaai-named aalok aastex abbr abc abnt abntex2 abntexto
    aboensis abraces abspos abstract abstyles
    academicons accanthis accents accessibility accfonts accsupp achemso
    acmart acmconf acro acronym acroterm
    active-conf actuarialangle actuarialsymbol
    addfont addliga addlines addtoluatexpath
    adfathesis adforn adhocfilelist adigraph
    adjmulticol adfsymbols adjustbox adobemapping
    adrconv adtrees advdate advice
    ae aeguill aesupp affilauthor afparticle afthesis
    aguplus aiaa aichej aiplans ajl akktex akletter akshar
    albatross alchemist alegreya alertmessage alfaslabone
    alg algobox algolrevived
    algorithm2e algorithmicx algorithms algpseudocodex algxpar
    aligned-overset
    alkalami allrunes almendra almfixed alnumsec
    alpha-persian alphalph
    alterqcm altfont altsubsup amiri amiweb2c-guide amnestyreport
    amsaddr amscdx amscls amscls-doc amsfonts amslatex-primer
    amsldoc-it amsldoc-vn
    amsmath amsmath-it amsrefs amstex amsthdoc-it 
    andika annee-scolaire animate annotate annotate-equations
    anonchap anonymous-acm anonymouspro answers
    antanilipsum antique-spanish-units antiqua antomega antt anufinalexam
    anyfontsize anysize
    aobs-tikz aomart apa apa6 apa6e apa7
    apacite apalike-ejor apalike-german apalike2 apnum
    appendix appendixnumberbeamer 
    apprendre-a-programmer-en-tex apprends-latex
    apptools apxproof
    arabi arabic-book arabicfront arabi-add arabluatex arabtex arabxetex
    aramaic-serto arara archaeologie archaic archivo arcs arev argumentation
    arimo armtex
    around-the-bend arphic arphic-ttf arraycols arrayjobx arraysort
    arsclassica arsenal
    arvo arydshln articleingud
    asaetr asana-math asapsym ascelike ascii-chart ascii-font asciilist ascmac
    askinclude askmaps asmeconf asmejour aspectratio
    assignment association-matrix assoccnt asternote astro asyfig
    asymptote-faq-zh-cn asymptote-by-example-zh-cn asymptote-manual-zh-cn
    asy-overview asypictureb atbegshi atenddvi atendofenv atkinson atveryend
    attachfile attachfile2
    aucklandthesis augie auncial-new aurical aurl
    auto-pst-pdf-lua autobreak autopdf
    authoraftertitle authorarchive authordate authorindex
    auto-pst-pdf autoaligne autoarea autofancyhdr automata autonum
    autopuncitems autosp autotype auxhook
    avantgar avremu awesomebox axessibility axodraw2
  b1encoding babel
    babel-albanian babel-azerbaijani babel-basque
    babel-belarusian babel-bosnian babel-breton
    babel-bulgarian babel-catalan babel-croatian babel-czech
    babel-danish babel-dutch babel-english babel-esperanto
    babel-estonian babel-finnish babel-french babel-friulan
    babel-galician babel-german babel-georgian babel-greek
    babel-hebrew babel-hungarian
    babel-icelandic babel-indonesian babel-interlingua
    babel-irish babel-italian babel-japanese
    babel-kurmanji babel-latin babel-latvian babel-lithuanian
    babel-macedonian babel-malay
    babel-norsk babel-occitan babel-piedmontese
    babel-polish babel-portuges babel-romanian babel-romansh
    babel-russian babel-samin babel-scottish babel-serbian
    babel-serbianc babel-slovak babel-slovenian babel-sorbian
    babel-spanish babel-swedish babel-thai babel-turkish babel-ukrainian
    babel-vietnamese babel-welsh
    babelbib background backnaur baekmuk
    bagpipe bangla bangorcsthesis bangorexam bangtex bankstatement
    barcodes bardiag barr barracuda bartel-chess-fonts bashful basicarith
    baskervaldadf baskervaldx baskervillef
    basque-book basque-date bath-bst
    bbcard bbding bbm bbm-macros bbold bboldx bbold-type1 bchart bclogo
    beamer beamer2thesis beamer-fuberlin beamer-rl beamer-tut-pt beamer-verona
    beamerappendixnote beameraudience beamerauxtheme
    beamercolorthemeowl beamerdarkthemes beamerposter
    beamersubframe beamerswitch beamertheme-arguelles beamertheme-cuerna
    beamertheme-detlevcm beamertheme-epyt beamertheme-focus beamertheme-gotham
    beamertheme-light beamertheme-metropolis beamertheme-mirage
    beamertheme-npbt
    beamertheme-phnompenh beamertheme-pure-minimalistic beamertheme-rainbow
    beamertheme-saintpetersburg beamertheme-simpledarkblue
    beamertheme-simpleplus
    beamertheme-tcolorbox beamertheme-trigon beamertheme-upenn-bc
    beamerthemeamurmaple beamerthemeconcrete beamerthemejltree beamerthemelalic
    beamerthemenirma beamerthemenord
    bearwear beaulivre beautybook beautynote
    beebe begingreek begriff beilstein belleek bengali
    bera berenisadf besjournals bestpapers betababel beton beuron
    bewerbung bez123 bezierplot bfh-ci bgteubner bguq bhcexam
    bib-fr bib2gls bib2qr bibarts bibcop biber biber-ms bibhtml
    biblatex biblatex-abnt biblatex-ajc2020unofficial
    biblatex-anonymous biblatex-apa biblatex-apa6
    biblatex-archaeology biblatex-arthistory-bonn
    biblatex-bath biblatex-bookinarticle biblatex-bookinother biblatex-bwl
    biblatex-caspervector biblatex-cheatsheet biblatex-chem
    biblatex-chicago biblatex-claves biblatex-cv
    biblatex-dw biblatex-enc biblatex-ext
    biblatex-fiwi biblatex-gb7714-2015 biblatex-german-legal biblatex-gost
    biblatex-historian
    biblatex-ieee biblatex-ijsra biblatex-iso690
    biblatex-jura2 biblatex-juradiss biblatex-license
    biblatex-lni biblatex-luh-ipw biblatex-lncs biblatex-manuscripts-philology
    biblatex-mla biblatex-morenames biblatex-ms
    biblatex-multiple-dm biblatex-musuos
    biblatex-nature biblatex-nejm biblatex-nottsclassic
    biblatex-opcit-booktitle biblatex-oxref
    biblatex-philosophy biblatex-phys biblatex-publist
    biblatex-readbbl biblatex-realauthor
    biblatex-sbl biblatex-science biblatex-shortfields
    biblatex-socialscienceshuberlin biblatex-software
    biblatex-source-division biblatex-spbasic
    biblatex-subseries biblatex-swiss-legal
    biblatex-trad biblatex-true-citepages-omit biblatex-unified
    biblatex-vancouver
    biblatex2bibitem
    bibleref bibleref-french bibleref-german bibleref-lds bibleref-mouth
    bibleref-parse bibletext
    biblist bibtex bibtexperllibs bibtools bibtopic
    bibtopicprefix bibexport bibunits
    bidi bidi-atbegshi bidicontour bidihl
    bidipagegrid bidipresentation bidishadowtext
    bigfoot bigintcalc bigints bilingualpages binarytree binomexp
    biochemistry-colors biocon biolett-bst
    bitelist bithesis bitpattern bitset bitter bizcard
    bjfuthesis blacklettert1 blindtext blkarray
    blochsphere block blockdraw_mp blopentype bloques blowup blox
    bmstu bmstu-iu8 bnumexpr bodegraph bodeplot bohr boisik bold-extra
    boites boldtensors bondgraph bondgraphs bonum-otf book-of-common-prayer
    bookcover bookdb bookest bookhands booklet bookman bookmark
    bookshelf booktabs booktabs-de booktabs-fr boolexpr boondox bophook
    borceux bosisio
    boxedminipage boxhandler bpchem bpolynomial
    br-lex bracketkey braids braille braket
    brandeis-dissertation brandeis-problemset brandeis-thesis
    breakcites breakurl bredzenie breqn bropd brushscr
    bubblesort buctthesis bullcntr bundledoc burmese
    businesscard-qrcode bussproofs bussproofs-extra
    bxbase bxcalc bxcjkjatype bxdpx-beamer bxdvidriver bxghost
    bxjaholiday bxjaprnind bxjatoucs bxpapersize bxpdfver bxeepic bxenclose
    bxjalipsum bxjscls bxnewfont bxorigcapt bxtexlogo bxwareki
    byo-twemojis byrne bytefield 
  c90 c-pascal cabin cachepic cahierprof
    caladea calcage calcfrac calctab calculation calculator
    calligra calligra-type1 callouts calrsfs cals calxxxx-yyyy cancel
    canoniclayout cantarell
    capt-of captcont captdef caption
    carbohydrates carlisle carlito carolmin-ps cartonaugh
    cascade cascadia-code cascadiamono-otf cascadilla cases casyl
    catchfile catchfilebetweentags catcodes catechis
    catoptions catppuccinpalette causets
    cbcoptic cbfonts cbfonts-fd
    cc-pl ccaption ccfonts ccicons cclicenses ccool
    cd cd-cover cdcmd cdpbundl
    cell cellprops cellspace celtic censor
    centeredline centerlastline cesenaexam
    cfr-initials cfr-lm
    changebar changelayout changelog changepage changes
    chappg chapterfolder charissil charter
    chbibref cheatsheet checkcites checkend checklistings chem-journal
    chemarrow chembst chemcompounds chemcono chemexec
    chemfig chemformula chemformula-ru chemgreek chemmacros
    chemnum chemobabel chemplants chemschemex chemsec chemstyle cherokee
    chess chess-problem-diagrams chessboard chessfss chet chextras
    chhaya chicago chicagoa chicagolinks chicago-annote chickenize
    chifoot childdoc chinese-jfm chinesechess chivo
    chkfloat chklref chletter chngcntr chordbars chordbox chronology
    chronosys chs-physics-report chscite churchslavonic
    cidarticle cinzel circ circledsteps circledtext circuit-macros circuitikz
    circularglyphs citation-style-language cite citeall citeref
    cje cjhebrew cjk cjk-gs-integrate cjk-ko cjkpunct cjs-rcs-article
    clara classics classpack classicthesis
    cleanthesis clearsans clefval cleveref cleveref-forward cleveref-usedon
    clicks clipboard clistmap
    clock clojure-pamphlet cloze clrdblpg clrscode clrscode3e clrstrip cluttex
    cm cm-lgc cm-mf-extra-bold cm-super cm-unicode
    cmap cmarrows cmathbb cmbright cmcyr
    cmdstring cmdtrack cmexb cmextra cmll cmpica cmpj cmsd cmsrb cmtiup
    cmupint cnbwp cnltx cntformats cntperchap
    cochineal codeanatomy codebox codedescribe codedoc
    codehigh codepage codesection codicefiscaleitaliano
    coelacanth coffeestains collargs collcell collectbox collref
    colophon color-edits colorblind colordoc
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    phfsvnwatermark phfthm
    philex philokalia philosophersimprint
    phonenumbers phonetic phonrule photo photobook
    physconst physics physics2 physunits
    piano picinpar pict2e
    pictex pictex2 pictexsum pictochrono picture piechartmp piff pigpen
    pinlabel pinoutikz pitex piton pittetd pixelart pixelarttikz
    pkfix pkfix-helper pkgloader pkuthss
    pl placeat placeins placeins-plain
    plain-doc plainpkg plainyr plari plantslabels plantuml plates
    platex platex-tools platexcheat plautopatch
    play playcards playfair plex plex-otf plimsoll plipsum
    plnfss plstmary plweb pm-isomath
    pmboxdraw pmdraw pmgraph pmhanguljamo pmx pmxchords pnas2009
    poemscol poetry poetrytex poiretone polexpr polski poltawski
    polyglossia polyhedra polynom polynomial polyomino
    polytable poormanlog postage postcards poster-mac postit postnotes
    powerdot powerdot-fuberlin powerdot-tuliplab
    ppmcheckpdf ppr-prv ppt-slides pracjourn practicalreports
    precattl prelim2e preprint prerex present
    pressrelease prettyref prettytok preview prftree
    principia printlen proba probsoln prociagssymp
    prodint productbox profcollege proflabo proflycee profmaquette
    profsio program
    progress progressbar projlib
    proof-at-the-end proofread prooftrees proposal properties
    prosper protex protocol prtec przechlewski-book
    psbao pseudo pseudocode psfrag psfrag-italian psfragx
    psgo psizzl pslatex psnfss pspicture
    pst-2dplot pst-3d pst-3dplot
    pst-abspos pst-am pst-antiprism pst-arrow pst-asr pst-bar
    pst-barcode pst-bezier pst-blur pst-bspline
    pst-calculate pst-calendar pst-cie pst-circ
    pst-coil pst-contourplot pst-cox
    pst-dart pst-dbicons pst-diffraction
    pst-electricfield pst-eps pst-eucl pst-eucl-translation-bg pst-exa
    pst-feyn pst-fill pst-fit pst-flags pst-fr3d pst-fractal pst-fun pst-func
    pst-gantt pst-geo pst-geometrictools pst-gr3d pst-grad pst-graphicx pst-hsb
    pst-infixplot pst-intersect pst-jtree pst-knot pst-labo pst-layout
    pst-lens pst-light3d pst-lsystem
    pst-magneticfield pst-marble pst-math pst-mirror pst-moire pst-node
    pst-ob3d pst-ode pst-optexp pst-optic
    pst-osci pst-ovl
    pst-pad pst-pdgr pst-perspective
    pst-platon pst-plot pst-poker pst-poly pst-pdf pst-pulley
    pst-qtree pst-rputover pst-rubans
    pst-shell pst-sigsys pst-slpe pst-solarsystem pst-solides3d pst-soroban
    pst-spectra pst-spinner
    pst-stru pst-support
    pst-text pst-thick pst-tools pst-tree pst-turtle pst-tvz pst-uml
    pst-vectorian pst-vehicle pst-venn pst-vowel
    pst2pdf pstool pstricks pstricks-add pstricks_calcnotes pstring
    ptex-base ptex-fontmaps ptex-fonts ptex-manual
    ptex2pdf ptext ptlatexcommands ptolemaicastronomy ptptex
    punk punk-latex punknova purifyeps puyotikz pwebmac pxbase
    pxchfon pxcjkcat pxfonts pxgreeks pxjahyper pxjodel
    pxpgfmark pxpic pxrubrica pxtatescale pxtxalfa pxufont
    pygmentex pyluatex pynotebook
    python pythonhighlight pythonimmediate pythontex
  q-and-a qcircuit qcm qobitree qrbill qrcode qsharp qstest qsymbols qtree
     qualitype quantikz quantumarticle quattrocento
     quickreaction quicktype quiver quiz2socrative quizztex
     quotchap quoting quotmark
     quran quran-bn quran-de quran-en quran-es quran-id quran-ur qyxf-book
  r_und_s ragged2e raleway ran_toks randbild randexam randintlist
    random randomlist randomwalk randtext
    rank-2-roots rbt-mathnotes rccol rcs rcs-multi rcsinfo
    readablecv readarray realboxes realhats realscripts realtranspose rec-thy
    recipe recipebook recipecard recorder-fingering recycle rectopma
    refcheck refcount refenums reflectgraphics refman refstyle
    regcount regexpatch register regstats regulatory
    reledmac relenc relsize reotex repeatindex repere repltext reptheorem
    rerunfilecheck rescansync resmes resolsysteme
    resphilosophica responsive rest-api
    resumecls resumemac returntogrid reverxii revquantum revtex revtex4-1
    rgltxdoc ribbonproofs rigidnotation rit-fonts
    rjlparshap rlepsf rmathbr rmpage
    robotarm roboto robust-externalize robustcommand robustindex rojud
    romanbar romanbarpagenumber romandeadf romanneg romannum
    rorlink rosario rotfloat rotpages rouequestions roundbox roundrect
    rpgicons rrgtrees rsc rsfs rsfso
    rterface rtkinenc rtklage
    rub-kunstgeschichte rubik ruhyphen ruler rulerbox rulercompass
    runcode runtexshebang ruscap russ rutitlepage
    rviewport rvwrite ryersonsgsthesis ryethesis
  sa-tikz sacsymb sageep sanitize-umlaut sankey
    sanskrit sanskrit-t1 sansmath sansmathaccent sansmathfonts
    sapthesis sasnrdisplay sauerj
    sauter sauterfonts saveenv savefnmark savesym savetrees
    scale scalebar scalerel scanpages
    schedule schemabloc schemata schola-otf scholax schooldocs
    schulmathematik sclang-prettifier
    schule schulschriften schwalbe-chess
    scikgtex sciposter scientific-thesis-cover scontents
    scrabble scrambledenvs scratch scratch3 scratchx screenplay screenplay-pkg
    scrhack scripture scrjrnl scrlayer-fancyhdr scrlttr2copy scrwfile scsnowman
    sdaps sdrt sduthesis
    se2thesis secdot secnum section sectionbox sectionbreak sectsty seealso
    selectp selinput selnolig semantex semantic semantic-markup semaphor
    semesterplanner semesterplannerlua seminar semioneside semproc semtex
    sepfootnotes sepnum seqsplit
    serbian-apostrophe serbian-date-lat serbian-def-cyr serbian-lig
    sesamanuel sesstime setdeck setspace setspaceenhanced
    seu-ml-assign seuthesis seuthesix sexam
    sf298 sfee sffms sfg
    sfmath sgame shade shadethm shadow shadowtext shapepar shapes
    shdoc shipunov shobhika short-math-guide shortmathj shorttoc
    show2e showcharinbox showdim showexpl showhyphenation
    showkerning showlabels showtags shtthesis
    shuffle
    sidecap sidenotes sidenotesplus sides signchart
    silence sillypage sim-os-menus
    simple-resume-cv simple-thesis-dissertation simplebnf simplecd simplecv
    simpleicons simpleinvoice simplekv simplenodes
    simpleoptics simpler-wick simples-matrices simplewick
    simplified-latex simplivre simurgh
    sistyle sitem siunits siunitx sjtutex
    skak skaknew skb skdoc skeldoc skeycommand skeyval
    skills skmath skrapport skull
    slantsc slideshow
    smalltableof smart-eqn smartdiagram smartref smartunits smflatex
    snapshot snaptodo snotez
    songbook songproj songs sort-by-letters soton soul soulpos
    soup sourcecodepro sourcesanspro
    sourceserifpro
    spacekern spacingtricks spalign spark-otf sparklines spath3 spbmark
    spectral spectralsequences spelatex spelling spie spix
    sphack sphdthesis splines splitbib splitindex
    spot spotcolor spreadtab spverbatim sqltex
    sr-vorl srbook-mem srbtiks srcltx srdp-mathematik srcredact
    sseq sshrc-insight sslides
    stack stackengine stage standalone standardsectioning stanli
    starfont startex
    statex statex2 statistics statistik statmath staves starray
    stdclsdv stdpage stealcaps steinmetz
    stellenbosch stellenbosch-2 step stepgreek stex
    stickstoo stix stix2-otf stix2-type1 stmaryrd storebox storecmd
    strands stricttex string-diagrams stringenc stringstrings
    structmech struktex
    sttools stubs studenthandouts sty2dtx styledcmd suanpan suanpan-l3
    subdocs subdepth subeqn subeqnarray
    subfig subfigmat subfigure subfiles subfloat substances
    substr subsupscripts subtext
    sudoku sudokubundle suftesi sugconf sunpath
    superiors supertabular suppose susy svg svg-inkscape svgcolor
    svn svn-multi svn-prov svninfo svrsymbols
    swebib swfigure swimgraf swrule swungdash syllogism
    symbats3 symbol sympycalc sympytexpackage
    synproof syntax syntaxdi synthslant syntrace synttree
    systeme
  t-angles t2
    tabbing tabfigures table-fct tableaux tablefootnote tableof
    tablists tablor tabls tablvar
    tabriz-thesis tabstackengine tabto-generic tabto-ltx
    tabu tabularborder tabularray tabularcalc tabularew
    tabulary tabvar tagging tagpair tagpdf talk talos tamefloats
    tamethebeast tango tangocolors tangramtikz tap tapir tasks
    tblr-extras tcldoc tcolorbox tdclock tds tdsfrmath
    technics technion-thesis-template ted telprint
    templates-fenn templates-sommer templatetools tempora temporal-logic
    tengwarscript
    tensind tensor termcal termcal-de termes-otf termlist termmenu termsim
    testhyphens testidx
    tetragonos teubner
    tex-ewd tex-font-errors-cheatsheet tex-gyre tex-gyre-math tex-ini-files
    tex-label tex-locale tex-nutshell tex-overview tex-ps
    tex-refs tex-virtual-academy-pl tex-vpat
    tex4ebook texaccents texapi texblend texbytopic texcount
    texdate texdef texdiff texdimens texdirflatten texdoc texdraw
    texfindpkg texfot texinfo texilikechaps texilikecover
    texliveonfly texloganalyser texlogfilter texlogos texlogsieve
    texmate texments texnegar
    texonly texosquery texplate texpower texproposal texshade texsurgery
    textcsc textualicomma texvc
    textcase textfit textglos textgreek textmerg textopo textpath textpos
    tfrupee thaienum thaispec thalie
    theanodidot theanomodern theanooldstyle theatre	
    thematicpuzzle theoremref thermodynamics
    thesis-ekf thesis-gwu thesis-qom thesis-titlepage-fhac
    thinsp thmbox thmlist thmtools
    threadcol threeddice threeparttable threeparttablex
    thuaslogos thubeamer thucoursework thumb thumbpdf thumbs thumby thuthesis
    ticket ticollege tidyres tiet-question-paper
    tikz2d-fr tikz3d-fr tikz-3dplot
    tikz-among-us tikz-bagua tikz-bayesnet tikz-bbox
    tikz-cd tikz-decofonts tikz-dependency tikz-dimline tikz-ext
    tikz-feynhand tikz-feynman tikz-imagelabels tikz-inet
    tikz-kalender tikz-karnaugh tikz-ladder tikz-lake-fig tikz-layers
    tikz-mirror-lens tikz-nef tikz-network tikz-nfold tikz-opm tikz-optics
    tikz-osci tikz-page tikz-palattice tikz-planets tikz-qtree
    tikz-relay tikz-sfc tikz-swigs tikz-timing tikz-trackschematic tikz-truchet
    tikzbricks tikzcodeblocks tikzdotncross tikzducks
    tikzfill tikzinclude tikzlings
    tikzmark tikzmarmots tikzorbital
    tikzpackets tikzpagenodes tikzpeople tikzpfeile tikzpingus tikzposter
    tikzquads tikzquests tikzscale tikzsymbols
    tikztosvg tikzviolinplots tile-graphic tilings
    timbreicmc times timetable timing-diagrams tinos tipa tipa-de tipauni tipfr
    tiscreen titlecaps titlefoot titlepages titlepic titleref titlesec titling
    tkz-base tkz-berge tkz-bernoulli tkz-doc tkz-elements tkz-euclide
    tkz-fct tkz-graph tkz-grapheur tkz-orm tkz-tab tkzexample
    tlc-article tlc2 tlc3-examples tlcockpit tlmgr-intro-zh-cn tlmgrbasics
    to-be-determined tocbibind tocdata tocloft tocvsec2 todo todonotes
    tokcycle tokenizer tonevalue toolbox tools
    topfloat topiclongtable topletter toptesi
    totalcount totcount totpages
    tpic2pdftex tpslifonts tqft
    tracklang trajan tram tramlines
    translation-array-fr
    translation-arsclassica-de translation-biblatex-de translation-chemsym-de
    translation-dcolumn-fr
    translation-ecv-de translation-enumitem-de translation-europecv-de
    translation-filecontents-de translation-moreverb-de
    translation-natbib-fr translation-tabbing-fr
    translations translator transparent transparent-io
    tree-dvips treesvr treetex trfsigns
    trigonometry trimspaces trivfloat trivialpursuit trsym truncate truthtable
    tsemlines tsvtemplate
    tucv tuda-ci tudscr tufte-latex tugboat tugboat-plain
    tui turabian turabian-formatting turkmen turnstile turnthepage tutodoc
    twemoji-colr twemojis twoinone twoup twoxtwogame
    txfonts txfontsb txgreeks txuprcal
    type1cm typed-checklist typeface typehtml typeoutfileinfo typewriter
    typicons typoaid typog typogrid typstfun tzplot
  uaclasses uafthesis uantwerpendocs uassign ucalgmthesis
    ucharcat ucharclasses ucbthesis ucdavisthesis ucph-revy
    ucs ucsmonograph
    ucthesis udepcolor udes-genie-these udesoftec udiss
    uebungsblatt uestcthesis ufrgscca
    uhhassignment uhrzeit uiucredborder uiucthesis
    ukbill ukrhyph ulem ulqda ulthese
    umbclegislation umich-thesis uml umlaute umoline
    umthesis umtypewriter
    unam-thesis unamth-template unamthesis unbtex
    undar-digitacion undergradmath underlin underoverlap underscore undolabl
    unfonts-core unfonts-extra
    uni-titlepage uni-wtal-ger uni-wtal-lin
    unicode-alphabets unicode-data unicode-bidi
    unicode-math unicode-math-input
    unicodefonttable unifith unifront unigrazpub unimath-plain-xetex
    uninormalize uniquecounter unisc unisugar
    unitconv unitn-bimrep units unitsdef
    universa universalis univie-ling unizgklasa
    unravel unswcover
    uol-physics-report uothesis uowthesis uowthesistitlepage
    upca updatemarks uplatex upmendex upmethodology uppunctlm upquote
    uptex-base uptex-fonts upzhkinsoku
    uri url urlbst urcls urwchancal usebib useclass ushort uspace uspatent
    ut-thesis utexasthesis utf8add utf8mex utfsym uvaletter
    uwa-colours uwa-letterhead uwa-pcf uwa-pif uwmslide uwthesis
  vak vancouver variablelm variations varindex varisize
    varsfromjobname varwidth vaucanson-g vcell vdmlisting
    vectorlogos velthuis venn venndiagram venturisadf
    verbasef verbatimbox verbatimcopy verbdef
    verbments verifica verifiche verifycommand verse
    version versions versonotes vertbars vgrid
    vhistory visualfaq visualfaq-fr visualpstricks visualtikz
    vmargin vntex vocaltract volumes
    voss-mathcol
    vpe vruler vtable vwcol
  wadalab wallcalendar wallpaper wargame warning warpcol
    was wasy wasy-type1 wasysym webguide webquiz weiqi wheelchart
    widetable widows-and-orphans williams willowtreebook
    windycity withargs witharrows
    wnri wnri-latex wordcloud wordcount wordle wordlike worldflags worksheet
    wrapfig wrapfig2 wrapstuff wrapstuff-doc-en
    writeongrid wsemclassic wsuipa wtref
  xargs xassoccnt xbmks xcharter xcharter-math xcite xcjk2uni xcntperchap
    xcolor xcolor-material xcolor-solarized
    xcomment xcookybooky xcpdftips xdoc xduthesis xduts
    xebaposter xechangebar xecjk xecolor xecyr xecyrmongolian xeindex xellipsis
    xepersian xepersian-hm xesearch xespotcolor
    xetex-devanagari xetex-itrans xetex-pstricks xetex-tibetan
    xetexfontinfo xetexko
    xetexref xevlna xfakebold xfor xfrac xgreek xhfill
    xifthen xii xii-lat ximera
    xindex xindy-persian xint xint-regression xintsession xistercian xits
    xkcdcolors xkeymask xkeyval xlop xltabular xltxtra
    xml2pmx xmltex xmpincl xmuthesis xnewcommand
    xoptarg xpatch xpeek xpiano xpicture xpinyin xprintlen xpunctuate
    xq xreview xsavebox xsim xskak xstring xtab xtuthesis xunicode xurl
    xwatermark xyling xymtex xypic xypic-tut-pt xytree
  yafoot yagusylo yaletter yamlvars yannisgr yathesis yax yazd-thesis
    yb-book ycbook ydoc yet-another-guide-latex2e
    yfonts yfonts-otf yfonts-t1 yhmath
    yinit-otf york-thesis youngtab yplan yquant ysabeau ytableau
  zapfchan zapfding zbmath-review-template zebra-goodies zed-csp zennote
    zhlineskip zhlipsum zhnumber zhmetrics zhmetrics-uptex zhspacing
    ziffer zitie zlmtt zootaxa-bst zref zref-check zref-clever zref-vario
    zugferd zwgetfdate zwpagelayout
    zx-calculus zxjafbfont zxjafont zxjatype zztex
); 


# these packages we do not expect to check.  Once this list is complete,
# we can start working on tlmgr list | grep shortdesc.
my @TLP_no_check = (
  "adobeornaments",	# nonfree
  "afm2pl",		# not on ctan
  "aleph",		# binary
  "asymptote",		# binary
  "autosp",		# binary
  "bibtex",		# binary
  "bibtex8",		# binary
  "bibtexu",		# binary
  "chktex",		# binary
  "cjkutils",		# binary, from cjk
  "cns",		# old unchanging font under CJK on ctan
  "context",		# binary+taco/mojca
  "context-companion-fonts", # installed manually for hans
  "context-legacy",	# split from context
  "context-texlive",	# ours
  "cs",			# multiple .tar.gz, too painful to unpack
  "ctib",		# binary
  "ctie",		# binary
  "cweb",		# binary
  "cweb-old",		# our files
  "cyrillic-bin",	# binary
  "detex",		# binary
  "devnag",		# binary
  "dtl",		# binary
  "dvi2tty",		# binary
  "dvicopy",		# binary
  "dvidvi",		# binary
  "dviljk",		# binary
  "dviout-util",	# binary
  "dvipdfm",		# binary
  "dvipdfmx",		# binary
  "dvipng",		# binary
  "dvipos",		# binary
  "dvips",		# binary
  "dvisvgm",		# binary
  "ecgdraw",		# awaiting upload with trivial \CheckSum fix 2jul16
  "enctex",		# binary
  "epspdf",		# siep does it
  "etex",		# binary
  "euxm",		# knuth, old, not on ctan
  "finbib",		# not on ctan
  "fontname",		# tl-update-auto
  "fontware",		# binary
  "glyphlist",		# not on ctan, handled in tlpkg/dev/srclist.txt
  "gnu-freefont",	# no files to compare, distributed as tarballs
  "groff",		# binary
  "gsftopk",		# binary
  "gustlib",		# not on ctan, requested from gust
  "gustprog",		# not on ctan, gust
  "guide-to-latex",	# not on ctan, book examples, ok
  "hitex",		# binary
  "hyperref-docsrc",	# not on ctan, awaiting hyperref doc volunteer
  "impatient-fr",	# has one spurious blank line difference; if ever updated again, hopefully we'll notice
  "jadetex",		# too old to owrry about
  "jmn",		# part of context
  "kluwer",		# not on ctan, old lppl, not worth pursuing or removing
  "kpathsea",		# binary
  "lacheck",		# binary
  "lambda",		# not on ctan, too old to worry about
  "latex-bin",		# binary
  "latex-bin-dev",	# binary
  "latexconfig",	# we maintain
  "lcdftypetools",	# binary
  "luatex",		# binary
  "luahbtex",		# binary
  "luajittex",		# binary
  "m-tx",		# binary
  "magicwatermark",	# 28aug22 awaiting upload with .dtx fix
  "makeindex",		# binary
  "malayalam-latex",	# binary
  "metafont",		# binary
  "metapost",		# binary
  "mex",		# gust, requested 2013
  "mflua",		# binary
  "mfware",		# binary
  "mltex",		# binary
  "omega",		# binary
  "omegaware",		# binary
  "otibet",		# not on ctan, too old to worry about
  "patgen",		# binary
  "pdftex",		# binary
  "pdftosrc",		# binary
  "pdfwin",		# not on ctan, too old to worry about
  "plain",		# mostly our .ini files, plus well-known plain.tex
  "powerdot",		# stale generated files on ctan
  "ps2eps",		# binary
  "ps2pk",		# binary
  "pstools",		# binary
  "psutils",		# binary
  "ptex",		# binary
  "qpxqtx",		# gust, requested feb 2013
  "revtex4",		# APS declines to keep compatibility, but we have to
  "roex",		# gust, requested 2012
  "seetexk",		# binary
  "synctex",		# binary
  "t1utils",		# binary
  "tds",		# stable, don't worry until next update
  "tetex",		# we maintain
  "tex",		# binary
  "tex4ht",		# binary
  "texconfig",		# we maintain
  "texdoctk",		# maintained here
  "texlive.infra",	# binary
  "texsis",		# too old to worry about
  "texware",		# binary
  "texworks",		# binary
  "tie",		# binary
  "tlaunch",		# w32 siep binary
  "tlshell",		# our binary
  "ttfutils",		# binary
  "updmap-map",		# autogenerated map files
  "uhc",		# big tar files from 2005, don't worry until update
  "uptex",		# binary
  "utopia",		# afm differs, don't worry
  "vlna",		# binary
  "web",		# binary
  "xdvi",		# binary
  "xelatex-dev",	# binary
  "xetex",		# binary
  "xetexconfig",	# we maintain
  "xindy",		# binary
  "xmltexconfig",	# we maintain
  "xpdfopen",		# binary
);

exit (&main ());


sub main {
  chomp ($Master = `cd $mydir/../.. && pwd`);
  $tlpdb = TeXLive::TLPDB->new ("root" => $Master);
  die "Cannot find tlpdb in $Master!" unless defined $tlpdb;

  $OPT{"verbose"} = 0;
  if ($ARGV[0] eq "--verbose" || $ARGV[0] eq "-v") {
    $OPT{"verbose"} = 1;
    shift @ARGV;
  }
  
  $OPT{"all"} = 0;
  if ($ARGV[0] eq "--all") {
    $OPT{"all"} = 1;
    shift @ARGV;
  }
  
  $OPT{"no-clean"} = 0;
  if ($ARGV[0] eq "--no-clean") {
    $OPT{"no-clean"} = 1;
    shift @ARGV;
  }
  
  if ($ARGV[0] eq "--list-not-treated") {
    my @not_checked = ();
    for my $b (&normal_tlps ()) {
      if (! grep ($b eq $_, @TLP_working, @TLP_no_check)) {
        push (@not_checked, $b);
      }
    }
    print "" . (@not_checked+0) . " TL packages not checked against CTAN:\n";
    print "@not_checked\n";
    @ARGV = (); # no normal checks

  } elsif ($ARGV[0] eq "--check") {
    # check all/only those packages we have actually run through this mill.
    @ARGV = @TLP_working;
  } elsif ($ARGV[0] eq "--check-all") {
    @ARGV = &normal_tlps ();
  }

  my $errcount = 0;
  for my $tlp (@ARGV) {
    print "checking $tlp..." if $OPT{"verbose"};
    $errcount += &do_tlp ($tlp);
  }
  return $errcount;
}

# gives a list with only the 'normal' packages,
# that is, excluding meta-packages and binary packages
# (and hyphen for the moment)
# 
sub normal_tlps {
  my @normal;
  my $non_normal = `ls $Master/bin`;
  $non_normal =~ s/\n/\$|/g;
  $non_normal .= '^0+texlive|^bin-|^collection-|^scheme-|^texlive-|^hyphen-';
  foreach ($tlpdb->list_packages) {
    push (@normal, $_) unless (/$non_normal/);
  }
  return @normal;
}


# Return 1 if package TLPN needs updating (or error), 0 if ok.
# 
sub do_tlp {
  my ($tlpn) = @_;
  my $needed = 0;
  
  my $tlp = $tlpdb->get_package($tlpn);
  if (!defined($tlp)) {
    warn "$0: no package $tlpn\n";
    return 1;
  }

  # don't want to run svn update individually for every catalogue file.
  my $env = "env TLPKGINFO_CATALOGUE_NO_UPDATE=1";
  chomp (my $ctan_dir = `$env $mydir/tlpkginfo --prepare '$tlpn'`);
  if (! $ctan_dir) {
    warn "$0: oops, no CTAN directory for $tlpn, fix fix\n";
    return 1;
  }
  # csplain and cslatex have .tar.gz's that need to be unpacked for
  # comparison.  (perhaps this should be done in tlpkginfo.)  but don't
  # do any unpacking inside the ctan hierarchy.
  chomp (my $ctan_root = `$mydir/tlpkginfo --ctan-root`);
  if ($ctan_dir !~ m,^$ctan_root,) {
    for my $tgz (glob ("$ctan_dir/*.tar.gz")) {
      system ("tar -C $ctan_dir -xf $tgz");
    }
  }
  
  # One more total kludge.  We should probably put this into tlpkginfo
  # and factor it out from here and ctan2tds.
  if ($tlpn eq "cs") {
    $TMPDIR = $ENV{"TMPDIR"} || "/tmp";
    my $pkgdir = "$TMPDIR/tl.$tlpn";
    system ("rm -rf $pkgdir");
    mkdir ($pkgdir, 0777) || die "mkdir($pkgdir) failed: $!";
    #
    # unpack the multiple constituent tarballs.
    for my $tarbase ("csfonts-t1", "csfonts", "cspsfonts") {
      system ("tar -C $pkgdir -xf $ctan_dir/$tarbase.tar.gz");
    }
    # look in the new dir we just created.
    $ctan_dir = $pkgdir;
  }
  #warn "ctan_dir: $ctan_dir\n";

  my @tl_files = ();
  push @tl_files, $tlp->runfiles;
  push @tl_files, $tlp->docfiles;
  push @tl_files, $tlp->srcfiles;
  if ($tlp->relocated) { for (@tl_files) { s:^$RelocPrefix/:$RelocTree/:; } }
  # we don't push bin files.
  my @tl_basefiles = ();  # compare with CTAN after the loop
    
  my @ctan_files = ();
  my @compared = ();
  for my $file (@tl_files) {
    (my $basefile = $file) =~ s,^.*/,,;
    
    # if file exists by multiple names in TL (e.g., README), only check
    # the first one we come across, since we'll only find the first one
    # on CTAN and we don't want to try to match subdir suffixes.
    next if grep { $_ eq $basefile } @tl_basefiles;
#warn "\nchecking tl file $file -> $basefile\n";
    push (@tl_basefiles, $basefile);

    # No point in comparing our pdfs now, too many are different.
    # However, for lshort translations and mathdesign, pdf can be
    # all we have to compare.
    next if $file =~ /\.pdf$/ && $file !~ /short|match_parens|mathdesign/;
    
    # seems mathpazo files were updated in TL and not CTAN.
    # Too old to worry about.
    next if $basefile =~ m,(pazofnst.tex|Makefile)$, && $file =~ m,/mathpazo/,;

    # We install our own stub, not ConTeXt's.  I guess.
    next if $basefile eq "mptopdf.exe";
    
    # btxmac.tex symlinked on CTAN, but we may as well keep the copy
    # actually used in lollipop in TL (doc tree).
    next if $basefile eq "btxmac.tex" && $file =~ m,/lollipop/,;
    
    # Different cluttex.lua gets installed.
    next if $basefile eq "cluttex.lua";
    
    # Compares director to binary.
    next if $basefile eq "optexcount";
    
    # Files we have edited in TL, will probably never be updated
    # upstream (authors won't make new releases, though they've agreed
    # to the changes), and aren't worth bothering CTAN about.
    next if $basefile =~ /^(culmus.map|ebong.py)$/;

    # Wrong README gets compared.
    next if $basefile eq "README" && $file =~ m,/(pmx|cs)/,;
    
    my $tl_file = "$Master/$file";
    if (! -e $tl_file) {
      warn "$tl_file: TL file missing\n";
      next;
    }
    
    chomp (@ctan_files = `find $ctan_dir/ -name $basefile -type f`);
#warn "  ctan find $basefile: @ctan_files\n";
    # the trailing / is so we dereference a symlink on CTAN.
    next if @ctan_files > 1; # if more than one file by same name, skip

    my $ctan_file = $ctan_files[0];
#warn "  ctan file is $ctan_file\n";
    if (! -e $ctan_file) {
      # maybe it'll be there with a case change in the name
      chomp (@ctan_files = `find $ctan_dir/ -iname $basefile`);
#warn "ctan ifind $basefile: @ctan_files\n";
      next if @ctan_files > 1; # if more than one file by same name, skip
      $ctan_file = $ctan_files[0];
      
      if (! -e $ctan_file) {
        # we generate lots of files, eg perlmacros.sty, so might skip.
        warn "$ctan_file: CTAN file missing\n"
          if $ctan_file && $ctan_file !~ /(cfg|dvi|sty|tex)$/;
        next;
      }
    }

    push (@compared, $basefile);
    if (&files_differ ($tl_file, $ctan_file)) {
      print "# $tlpn\ndiff $ctan_file $tl_file\n";
      $needed = 1;
      last unless $OPT{"all"};
    }
  }
  
  # unfortunately, we cannot do this.  There are many PDF's on CTAN
  # which have no sources or otherwise problematic for TL.  Perhaps one
  # day we could use the %moreclean hash from ctan2tds as an additional
  # filter, i.e., put all those ctan2tds tables in an external file.
  # 
  # # check for PDF files on CTAN that we don't have.
  # my @ctan_pdf_needed = ();
  # chomp (my @ctan_files = `find $ctan_dir -name \*.pdf`);
  # for my $cfile (@ctan_files) {
  #   (my $base_cfile = $cfile) =~ s,^.*/,,;
  #   if (! grep { $_ eq $base_cfile } @tl_basefiles) {
  #     push (@ctan_pdf_needed, $base_cfile);
  #   }
  # }
  # if (@ctan_pdf_needed) {
  #   if (! $needed) {
  #     # if this is the first thing needed (no diffs), print package name.
  #     print "# $tlpn\n";
  #     $needed = 1;
  #   }
  #   print "# new on ctan: @ctan_pdf_needed\n";
  # }
  
  if (@compared == 0) {
    warn "\n$tlpn: no files to compare in $ctan_dir, fixme!\n";
    warn "  (tl_files = @tl_files)\n";
    warn "  (ctan_files = @ctan_files)\n";
  } elsif ($needed == 0) {
    print "ok\n" if $OPT{"verbose"};
  }
  print ((@compared + 0) . " compared (@compared)\n") if $OPT{"verbose"};

  # clean up the tmpdir possibly created from tlpkginfo --prepare.
  if ($ctan_dir !~ m,^$ctan_root, && ! $OPT{"no-clean"}) {
    system ("rm -rf $ctan_dir");
  }

  return $needed;
}



# 0 if files are the same, 1 if they are different.
# 
sub files_differ {
  my ($tl_file,$ctan_file) = @_;
#warn "comparing $ctan_file $tl_file\n";
  return system ("$mydir/cmp-textfiles $ctan_file $tl_file");
}

# vim: set ts=8 sw=2 expandtab: