45 lines
2.3 KiB
Bash
45 lines
2.3 KiB
Bash
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#!/usr/bin/env bash
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# pam: the PDF removal assumes fop, which the Ubuntu host does not have.
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#
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# rm: cannot remove
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# '.../pkg/pam/usr/share/doc/Linux-PAM/*.pdf': No such file or directory
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#
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# package() ends on
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#
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# # remove unreproducible pdf files
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# rm "${pkgdir}"/usr/share/doc/Linux-PAM/*.pdf
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#
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# and that line only works because Arch lists fop in makedepends. fop is a
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# Java renderer; putting a JVM on the build host to produce three PDFs that
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# the very next line deletes buys nothing, so the host stays without it.
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#
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# Without fop meson drops every PDF target in silence -- doc/adg, doc/mwg and
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# doc/sag each guard theirs with `if prog_fop.found()`, and the configured
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# build.ninja then holds zero .pdf rules. The DIRECTORY still exists, because
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# the HTML and text manuals install beside them, so the glob is never
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# expanded and rm is handed the literal string `*.pdf`. Same shape as the
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# util-linux glob that started the libdir hunt: the message names a path that
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# was never going to exist, and it aborts package() AFTER a successful
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# compile -- so the build looks like it failed at the very last step for no
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# reason at all.
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#
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# -f is the whole fix. With fop the PDFs are still removed; without it the
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# empty glob stops being an error.
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#
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# Not a hook, but the other half of pam and worth finding here: libnsl and
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# libtirpc are NOT optional on this host even though upstream marks NIS
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# `auto`, because arch-meson passes --auto-features enabled, which promotes
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# every auto feature to a hard requirement. Same mechanism turns pam's `docs`
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# feature into five fatal xmlcatalog probes. All of it is host packages, and
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# they are declared in install_host_deps.
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set -euo pipefail
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# Exactly one removal, and it must be the pdf one. Never a blanket rewrite:
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# package() also runs `install` and `chmod +s` on paths under the same tree,
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# and meson install itself writes there.
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n=$(grep -cF 'rm "${pkgdir}"/usr/share/doc/Linux-PAM/' PKGBUILD || true)
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[ "$n" = "1" ] || { echo "pam: expected 1 pdf removal, found $n" >&2; exit 1; }
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sed -i 's|rm "${pkgdir}"/usr/share/doc/Linux-PAM/|rm -f "${pkgdir}"/usr/share/doc/Linux-PAM/|' PKGBUILD
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grep -qF 'rm -f "${pkgdir}"/usr/share/doc/Linux-PAM/*.pdf' PKGBUILD || {
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echo "pam: pdf removal not made tolerant" >&2; exit 1; }
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echo "pam: pdf removal tolerates the empty glob (host has no fop)"
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