33 lines
1.6 KiB
Bash
33 lines
1.6 KiB
Bash
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# Let built package know its version.
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# Usually, when a package uses setuptools-scm as a build-time dependency, it
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# expects to get the package version from SCM data. However, while doing a nix
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# build, the source tree doesn't contain SCM data, so we should almost always
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# get the version from the derivation attribute.
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version-pretend-hook() {
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if [ -z "$dontPretendSetuptoolsSCMVersion" -a -z "$SETUPTOOLS_SCM_PRETEND_VERSION" ]; then
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echo Setting SETUPTOOLS_SCM_PRETEND_VERSION to $version
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export SETUPTOOLS_SCM_PRETEND_VERSION="$version"
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fi
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}
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# Include all tracked files.
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# When a package uses setuptools-scm as a build-time dependency, it usually
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# expects it to include all scm-tracked files in the built package, by default.
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# This is the official setuptools-scm behavior, documented in
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# https://setuptools-scm.readthedocs.io/en/latest/usage/#file-finders-hook-makes-most-of-manifestin-unnecessary
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# and https://setuptools.pypa.io/en/latest/userguide/datafiles.html.
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# However, while doing a nix build, the source tree doesn't contain SCM data,
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# so it would include only `.py` files by default.
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# We generate a MANIFEST.in automatically that includes all tracked files to
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# emulate this behavior of setuptools-scm.
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include-tracked-files-hook() {
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if [ -z "$dontIncludeSetuptoolsSCMTrackedFiles" ]; then
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echo Including all tracked files automatically
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old_manifest="$(if [ -f MANIFEST.in ]; then cat MANIFEST.in; fi)"
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echo 'global-include **' > MANIFEST.in
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echo "$old_manifest" >> MANIFEST.in
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fi
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}
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preBuildHooks+=(version-pretend-hook include-tracked-files-hook)
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