bazel.eclass: added from main archive (for old tensorflow)
Signed-off-by: Andreas Billmeier <b@edevau.net>
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@ -617,12 +617,12 @@ A daily compile test is run at Github with Python 3.9 to catch general faults. E
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## Licenses
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This repository itself is released under GPL-3 (like most Gentoo repositories), all work on the depending components under the licenses they came from. Perhaps you came here because I filed an issue at your component about a bad or missing license. It is easy to [assign a license](https://docs.github.com/en/communities/setting-up-your-project-for-healthy-contributions/adding-a-license-to-a-repository). During cleanups and license investigations I have been asked often which license to choose. I am not a lawyer, but I can offer the following table, counted over this repository, perhaps this helps your decision. If a package has more than one license listed, all of them are counted.
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There are 1827 Ebuilds in total, 1816 of them have in total 1835 (42 different) licenses assigned.
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There are 1830 Ebuilds in total, 1819 of them have in total 1838 (42 different) licenses assigned.
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|License| Ebuilds using it|
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|-------|-----|
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|MIT|1038|
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|Apache-2.0|410|
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|Apache-2.0|413|
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|GPL-3|120|
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|BSD|103|
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|LGPL-3|24|
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227
eclass/bazel.eclass
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227
eclass/bazel.eclass
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@ -0,0 +1,227 @@
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# Copyright 1999-2024 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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# @ECLASS: bazel.eclass
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# @MAINTAINER:
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# Jason Zaman <perfinion@gentoo.org>
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# @AUTHOR:
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# Jason Zaman <perfinion@gentoo.org>
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# @SUPPORTED_EAPIS: 8
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# @BLURB: Utility functions for packages using Bazel Build
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# @DESCRIPTION:
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# A utility eclass providing functions to run the Bazel Build system.
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#
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# This eclass does not export any phase functions.
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case ${EAPI} in
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8) ;;
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*) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;;
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esac
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if [[ ! ${_BAZEL_ECLASS} ]]; then
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_BAZEL_ECLASS=1
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inherit multiprocessing toolchain-funcs
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if [[ ${CATEGORY}/${PN} != "dev-build/bazel" ]]; then
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BDEPEND=">=dev-build/bazel-0.20"
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fi
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# @ECLASS_VARIABLE: BAZEL_BINARY
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# @DESCRIPTION:
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# The program to invoke for bazel. Defaults to `bazel`. Useful if you have
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# multiple bazel installations on your machine that differ in verson suffix,
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# e.g., `bazel-5`, `bazel-6`.
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BAZEL_BINARY="${BAZEL_BINARY:-bazel}"
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# @FUNCTION: bazel_get_flags
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# @DESCRIPTION:
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# Obtain and print the bazel flags for target and host *FLAGS.
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#
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# To add more flags to this, append the flags to the
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# appropriate variable before calling this function
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bazel_get_flags() {
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local i fs=()
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for i in ${CFLAGS}; do
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fs+=( "--conlyopt=${i}" )
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done
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for i in ${BUILD_CFLAGS}; do
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fs+=( "--host_conlyopt=${i}" )
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done
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for i in ${CXXFLAGS}; do
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fs+=( "--cxxopt=${i}" )
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done
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for i in ${BUILD_CXXFLAGS}; do
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fs+=( "--host_cxxopt=${i}" )
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done
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for i in ${CPPFLAGS}; do
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fs+=( "--conlyopt=${i}" "--cxxopt=${i}" )
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done
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for i in ${BUILD_CPPFLAGS}; do
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fs+=( "--host_conlyopt=${i}" "--host_cxxopt=${i}" )
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done
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for i in ${LDFLAGS}; do
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fs+=( "--linkopt=${i}" )
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done
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for i in ${BUILD_LDFLAGS}; do
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fs+=( "--host_linkopt=${i}" )
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done
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echo "${fs[*]}"
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}
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# @FUNCTION: bazel_setup_bazelrc
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# @DESCRIPTION:
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# Creates the bazelrc with common options that will be passed
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# to bazel. This will be called by ebazel automatically so
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# does not need to be called from the ebuild.
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bazel_setup_bazelrc() {
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if [[ -f "${T}/bazelrc" ]]; then
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return
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fi
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# F: fopen_wr
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# P: /proc/self/setgroups
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# Even with standalone enabled, the Bazel sandbox binary is run for feature test:
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# https://github.com/bazelbuild/bazel/blob/7b091c1397a82258e26ab5336df6c8dae1d97384/src/main/java/com/google/devtools/build/lib/sandbox/LinuxSandboxedSpawnRunner.java#L61
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# https://github.com/bazelbuild/bazel/blob/76555482873ffcf1d32fb40106f89231b37f850a/src/main/tools/linux-sandbox-pid1.cc#L113
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addpredict /proc
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mkdir -p "${T}/bazel-cache" || die
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mkdir -p "${T}/bazel-distdir" || die
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cat > "${T}/bazelrc" <<-EOF || die
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startup --batch
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# dont strip HOME, portage sets a temp per-package dir
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build --action_env HOME
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# make bazel respect MAKEOPTS
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build --jobs=$(makeopts_jobs)
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build --compilation_mode=opt --host_compilation_mode=opt
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# FLAGS
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build $(bazel_get_flags)
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# Use standalone strategy to deactivate the bazel sandbox, since it
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# conflicts with FEATURES=sandbox.
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build --spawn_strategy=standalone --genrule_strategy=standalone
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test --spawn_strategy=standalone --genrule_strategy=standalone
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build --strip=never
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build --verbose_failures --noshow_loading_progress
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test --verbose_test_summary --verbose_failures --noshow_loading_progress
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# make bazel only fetch distfiles from the cache
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fetch --repository_cache="${T}/bazel-cache/" --distdir="${T}/bazel-distdir/"
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build --repository_cache="${T}/bazel-cache/" --distdir="${T}/bazel-distdir/"
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build --define=PREFIX=${EPREFIX}/usr
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build --define=LIBDIR=\$(PREFIX)/$(get_libdir)
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build --define=INCLUDEDIR=\$(PREFIX)/include
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EOF
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if tc-is-cross-compiler; then
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echo "build --distinct_host_configuration" >> "${T}/bazelrc" || die
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else
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echo "build --nodistinct_host_configuration" >> "${T}/bazelrc" || die
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fi
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}
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# @FUNCTION: ebazel
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# @USAGE: [<args>...]
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# @DESCRIPTION:
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# Run bazel with the bazelrc and output_base.
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#
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# output_base will be specific to $BUILD_DIR (if unset, $S).
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# bazel_setup_bazelrc will be called and the created bazelrc
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# will be passed to bazel.
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#
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# Will automatically die if bazel does not exit cleanly.
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ebazel() {
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bazel_setup_bazelrc
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# Use different build folders for each multibuild variant.
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local output_base="${BUILD_DIR:-${S}}"
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output_base="${output_base%/}-bazel-base"
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mkdir -p "${output_base}" || die
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set -- "${BAZEL_BINARY}" --bazelrc="${T}/bazelrc" --output_base="${output_base}" ${@}
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echo "${*}" >&2
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"${@}" || die "ebazel failed"
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}
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# @FUNCTION: bazel_load_distfiles
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# @USAGE: <distfiles>...
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# @DESCRIPTION:
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# Populate the bazel distdir to fetch from since it cannot use
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# the network. Bazel looks in distdir but will only look for the
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# original filename, not the possibly renamed one that portage
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# downloaded. If the line has -> we to rename it back. This also
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# handles use-conditionals that SRC_URI does.
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#
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# Example:
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# @CODE
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# bazel_external_uris="http://a/file-2.0.tgz
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# python? ( http://b/1.0.tgz -> foo-1.0.tgz )"
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# SRC_URI="http://c/${PV}.tgz
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# ${bazel_external_uris}"
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#
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# src_unpack() {
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# unpack ${PV}.tgz
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# bazel_load_distfiles "${bazel_external_uris}"
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# }
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# @CODE
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bazel_load_distfiles() {
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local file=""
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local rename=0
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[[ "${@}" ]] || die "Missing args"
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mkdir -p "${T}/bazel-distdir" || die
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for word in ${@}
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do
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if [[ "${word}" == "->" ]]; then
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# next word is a dest filename
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rename=1
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elif [[ "${word}" == ")" ]]; then
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# close conditional block
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continue
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elif [[ "${word}" == "(" ]]; then
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# open conditional block
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continue
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elif [[ "${word}" == ?(\!)[A-Za-z0-9]*([A-Za-z0-9+_@-])\? ]]; then
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# use-conditional block
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# USE-flags can contain [A-Za-z0-9+_@-], and start with alphanum
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# https://dev.gentoo.org/~ulm/pms/head/pms.html#x1-200003.1.4
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# ?(\!) matches zero-or-one !'s
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# *(...) zero-or-more characters
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# ends with a ?
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continue
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elif [[ ${rename} -eq 1 ]]; then
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# Make sure the distfile is used
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if [[ "${A}" == *"${word}"* ]]; then
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echo "Copying ${word} to bazel distdir as ${file}"
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ln -s "${DISTDIR}/${word}" "${T}/bazel-distdir/${file}" || die
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fi
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rename=0
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file=""
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else
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# another URL, current one may or may not be a rename
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# if there was a previous one, its not renamed so copy it now
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if [[ -n "${file}" && "${A}" == *"${file}"* ]]; then
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echo "Copying ${file} to bazel distdir"
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ln -s "${DISTDIR}/${file}" "${T}/bazel-distdir/${file}" || die
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fi
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# save the current URL, later we will find out if its a rename or not.
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file="${word##*/}"
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fi
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done
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# handle last file
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if [[ -n "${file}" ]]; then
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echo "Copying ${file} to bazel distdir"
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ln -s "${DISTDIR}/${file}" "${T}/bazel-distdir/${file}" || die
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fi
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}
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fi
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