42 lines
2.2 KiB
Bash
42 lines
2.2 KiB
Bash
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#!/usr/bin/env bash
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# gnupg: no manual, because two diagrams in it need two image toolchains.
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#
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# /bin/sh: line 1: convert: command not found
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# make[2]: *** [Makefile:1199: gnupg-module-overview.pdf] Error 127
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# /bin/sh: line 1: fig2dev: command not found
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# make[2]: *** [Makefile:1211: gnupg-card-architecture.pdf] Error 127
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#
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# `convert` is ImageMagick, `fig2dev` is transfig. Two separate toolchains, for
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# two architecture diagrams in gnupg's own documentation.
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#
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# --disable-doc is gnupg's own switch, and it was CHECKED before being used:
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# `grep -oE '\-\-(disable|enable)-doc' configure` finds both, so autoconf knows
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# the option. groff had no such switch and needed its generated Makefile edited
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# instead -- the difference matters, because an invented flag draws only a
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# warning from autoconf and the build fails exactly as before, with the hook's
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# own check passing.
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set -euo pipefail
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# AN ARRAY, not a continued command. The first version of this hook looked for a
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# ./configure line ending in a backslash and asserted its way out:
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#
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# AssertionError: gnupg: ./configure does not continue
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#
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# gnupg collects its options in `local configure_options=( ... )` and then calls
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# `./configure "${configure_options[@]}"`. Both shapes appear in this port --
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# binutils, cryptsetup and libxcrypt use continued commands; gnupg and shadow use
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# arrays -- so a hook has to look at the file rather than assume the house style.
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python3 - <<'ZZPY'
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import io, re
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lines = io.open("PKGBUILD", encoding="utf-8").read().split("\n")
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hit = [i for i, l in enumerate(lines) if re.match(r"^[ \t]*local configure_options=\($", l)]
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assert len(hit) == 1, "gnupg: expected one configure_options array, got %d" % len(hit)
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i = hit[0] + 1
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ind = re.match(r"^[ \t]*", lines[i]).group(0)
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# The array is kept in alphabetical order upstream; --disable-doc sorts first.
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lines.insert(i, ind + "--disable-doc # no ImageMagick, no transfig for the diagrams")
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io.open("PKGBUILD", "w", encoding="utf-8").write("\n".join(lines))
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ZZPY
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grep -A2 "local configure_options=(" PKGBUILD | grep -q -- "--disable-doc" || {
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echo "gnupg: the flag is not inside the options array" >&2; exit 1; }
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echo "gnupg: manual disabled (no ImageMagick, no transfig)"
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