39 lines
1.8 KiB
Bash
39 lines
1.8 KiB
Bash
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#!/usr/bin/env bash
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# python-jinja: our flit_core is NEWER than jinja will accept.
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#
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# * Getting build dependencies for wheel...
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# ERROR Missing dependencies:
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# flit_core<4
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#
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# flit_core IS installed, and importable: 4.0.2. jinja's pyproject.toml pins
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# `flit_core<4`, so `python -m build` refuses before compiling anything.
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#
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# A NEW SHAPE for this port, and the mirror image of the one already recorded.
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# libxslt could not be built on the host because Ubuntu's libxml2 was too OLD.
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# Here our own package is too NEW for another package's declared ceiling. Both
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# read as a missing dependency; neither is one.
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#
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# --skip-dependency-check tells build to compile anyway, and it is not an
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# invention: Arch's own python-packaging PKGBUILD passes `-wn
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# --skip-dependency-check` for the same class of reason. The pin is upstream
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# caution -- flit_core 4 changed no API jinja uses, and jinja builds and imports
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# fine against it.
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#
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# The honest alternative was pinning flit-core to 3.x for the whole
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# distribution, which would trade one package's ceiling for every other
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# package's floor.
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set -euo pipefail
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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.search(r"python -m build\b", l)]
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assert len(hit) == 1, "python-jinja: expected one `python -m build`, got %d" % len(hit)
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i = hit[0]
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assert "--skip-dependency-check" not in lines[i], "python-jinja: already skipping"
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lines[i] = lines[i].rstrip() + " --skip-dependency-check"
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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 -q -- "python -m build .*--skip-dependency-check" PKGBUILD || {
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echo "python-jinja: the flag is not on the build line" >&2; exit 1; }
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echo "python-jinja: dependency check skipped (our flit_core is 4.x, the pin says <4)"
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