debian/rules

   1 #!/usr/bin/make -f
   2 # -*- makefile -*-
   3
   4 include /usr/share/dpkg/pkg-info.mk
   5 include /usr/share/dpkg/vendor.mk
   6 include /usr/share/dpkg/architecture.mk
   7 SED_VERSION_SHORT := sed -re 's/([^.]+)\.([^.]+)\..*/\1.\2/'
   8 RUST_VERSION := $(shell echo '$(DEB_VERSION_UPSTREAM)' | $(SED_VERSION_SHORT))
   9 RUST_LONG_VERSION := $(shell echo '$(DEB_VERSION_UPSTREAM)' | sed -re 's/([^+]+).*/\1/')
  10 LIBSTD_PKG := libstd-rust-$(RUST_VERSION)
  11 # Sed expression that matches the "rustc" we have in our Build-Depends field
  12 SED_RUSTC_BUILDDEP := sed -ne "/^Build-Depends:/,/^[^[:space:]\#]/{/^ *rustc:native .*,/p}" debian/control
  13 # Version of /usr/bin/rustc
  14 LOCAL_RUST_VERSION := $(shell rustc --version --verbose | sed -ne 's/^release: //p')
  15
  16 include /usr/share/dpkg/buildflags.mk
  17 # TODO: more correct to use `[build] rustflags = []` list syntax in Cargo.toml
  18 RUSTFLAGS = $(addprefix -C link-args=,$(LDFLAGS))
  19 RUSTFLAGS += --cap-lints warn --remap-path-prefix=$(CURDIR)=/usr/src/rustc-$(RUST_LONG_VERSION)
  20 # TODO: remove in rustc 1.39.0 and later
  21 export CARGO_BUILD_PIPELINING = false
  22 export CFLAGS CXXFLAGS CPPFLAGS LDFLAGS RUSTFLAGS
  23 export CARGO_HOME = $(CURDIR)/debian/cargo
  24 ifneq (,$(filter $(DEB_BUILD_ARCH), sparc64))
  25 export CARGO_INCREMENTAL = 0
  26 endif
  27
  28 # Defines DEB_*_RUST_TYPE triples
  29 include debian/architecture.mk
  30 export DEB_HOST_RUST_TYPE
  31
  32 # Uncomment this to turn on verbose mode.
  33 #export DH_VERBOSE=1
  34
  35 DEB_DESTDIR := $(CURDIR)/debian/tmp
  36
  37 # Use system LLVM (comment out to use vendored LLVM)
  38 LLVM_VERSION = 8
  39 OLD_LLVM_VERSION = 7
  40 # Make it easier to test against a custom LLVM
  41 ifneq (,$(LLVM_DESTDIR))
  42 LLVM_LIBRARY_PATH := $(LLVM_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH):$(LLVM_DESTDIR)/usr/lib
  43 LD_LIBRARY_PATH := $(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):$(LLVM_LIBRARY_PATH),$(LLVM_LIBRARY_PATH))
  44 export LD_LIBRARY_PATH
  45 endif
  46
  47 RUSTBUILD = RUST_BACKTRACE=1 ./x.py
  48 RUSTBUILD_FLAGS = --config debian/config.toml -vvv --on-fail env
  49 # TODO: This should simply be "$(RUSTBUILD) test" but unfortunately this causes
  50 # an insane blow up in the time it takes to run tests. See upstream #37477 for
  51 # details. Upstream worked around it in #38984 but in Debian we can't take
  52 # advantage of that work-around, because we want as much debuginfo as possible
  53 # (so we set debuginfo-lines = true, debuginfo-only-std = false) so we have to
  54 # work around it instead by disabling backtrace when running tests.
  55 RUSTBUILD_TEST = ./x.py test
  56 # To run a specific test, run something like:
  57 #   $ debian/rules override_dh_auto_test-arch \
  58 #     RUSTBUILD_TEST_FLAGS="src/test/run-make --test-args extern-fn-struct"
  59 # See src/bootstrap/README.md for more options.
  60 RUSTBUILD_TEST_FLAGS =
  61
  62 update-version:
  63         oldver=$(shell $(SED_RUSTC_BUILDDEP) | sed -ne 's/.*(<= \(.*\)).*/\1/gp' | $(SED_VERSION_SHORT)); \
  64         newver=$(RUST_VERSION); \
  65         debian/update-version.sh $$oldver $$newver $(RUST_LONG_VERSION) $(CARGO_NEW)
  66
  67 # Below we detect how we're supposed to bootstrap the stage0 compiler. See
  68 # README.Debian for more details of the cases described below.
  69 #
  70 PRECONFIGURE_CHECK = :
  71 HAVE_BINARY_TARBALL := $(shell ls -1 stage0/*/*$(DEB_HOST_RUST_TYPE)* 2>/dev/null | wc -l)
  72 DOWNLOAD_BOOTSTRAP := false
  73 # allow not using the binary tarball although it exists
  74 #ifneq (,$(filter $(DEB_HOST_ARCH), amd64 arm64 armhf i386 powerpc ppc64el s390x))
  75 #  HAVE_BINARY_TARBALL := 0
  76 #endif
  77 ifeq (0,$(HAVE_BINARY_TARBALL))
  78     # Case A (Building from source): the extracted source tree does not include
  79     # a bootstrapping tarball for the current architecture e.g. because the
  80     # distro already has a rustc for this arch, or the uploader expects that
  81     # this requirement be fulfilled in some other way.
  82     #
  83     # Case A-1: the builder did not select the "pkg.rustc.dlstage0" build profile.
  84     # In this case, we use the distro's rustc - either the previous or current version.
  85     ifeq (,$(findstring pkg.rustc.dlstage0,$(DEB_BUILD_PROFILES)))
  86         # Make it easier to test against a custom rustc
  87         ifneq (,$(RUST_DESTDIR))
  88         RUST_LIBRARY_PATH := $(RUST_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH):$(RUST_DESTDIR)/usr/lib
  89         LD_LIBRARY_PATH := $(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):$(RUST_LIBRARY_PATH),$(RUST_LIBRARY_PATH))
  90         export LD_LIBRARY_PATH
  91         endif
  92     #
  93     # Case A-2: the builder selected the "dlstage0" build profile.
  94     # In this case, the rust build scripts will download a stage0 into stage0/ and use that.
  95     # We don't need to do anything specific in this build file, so this case is empty.
  96     else
  97         DOWNLOAD_BOOTSTRAP := true
  98     endif
  99 else
 100     # Case B (Bootstrapping a new distro): the extracted source tree does
 101     # include a bootstrapping tarball for the current architecture; see the
 102     # `source_orig-stage0` target below on how to build this.
 103     #
 104     # In this case, we'll bootstrap from the stage0 given in that tarball.
 105     # To ensure the uploader of the .dsc didn't make a mistake, we first check
 106     # that rustc isn't a Build-Depends for the current architecture.
 107     ifneq (,$(shell $(SED_RUSTC_BUILDDEP)))
 108     ifeq (,$(shell $(SED_RUSTC_BUILDDEP) | grep '!$(DEB_HOST_ARCH)'))
 109         PRECONFIGURE_CHECK = $(error found matches for stage0/*/*$(DEB_HOST_RUST_TYPE)*, \
 110           but rustc might be a Build-Depends for $(DEB_HOST_ARCH))
 111     endif
 112     endif
 113 endif
 114
 115 BUILD_DOCS := true
 116 ifneq (,$(findstring nodoc,$(DEB_BUILD_PROFILES)))
 117   BUILD_DOCS := false
 118 endif
 119
 120 MAKE_OPTIMISATIONS := true
 121 ifneq (,$(findstring noopt,$(DEB_BUILD_OPTIONS)))
 122   MAKE_OPTIMISATIONS := false
 123 endif
 124
 125 # Build products or non-source files in src/, that shouldn't go in rust-src
 126 SRC_CLEAN = src/bootstrap/bootstrap.pyc \
 127         src/etc/__pycache__/
 128
 129 # Workaround for linux #865549
 130 ifeq (0,$(shell test $$(uname -s) = "Linux" -a $$(getconf PAGESIZE) -gt 4096; echo $$?))
 131   SYSTEM_WORKAROUNDS += ulimit -s $$(expr $$(getconf PAGESIZE) / 1024 '*' 256 + 8192);
 132 endif
 133 # Try to work around #933045
 134 ifneq (,$(filter $(DEB_BUILD_ARCH), mips mipsel))
 135   SYSTEM_WORKAROUNDS += export MALLOC_ARENA_MAX=1;
 136 endif
 137
 138 %:
 139         $(SYSTEM_WORKAROUNDS) dh $@ --parallel
 140
 141 .PHONY: build
 142 build:
 143         $(SYSTEM_WORKAROUNDS) dh $@ --parallel
 144
 145 override_dh_clean:
 146         # Upstream contains a lot of these
 147         dh_clean -XCargo.toml.orig
 148
 149 debian/config.toml: debian/config.toml.in debian/rules
 150         u="$(DEB_VERSION_UPSTREAM)"; \
 151         if [ "$$u" != "$${u%~beta.*+dfsg*}" ]; then channel="beta"; \
 152         else channel="stable"; fi; echo $$channel; \
 153         m4  -DRELEASE_CHANNEL="$$channel" \
 154                 -DDEB_BUILD_RUST_TYPE="$(DEB_BUILD_RUST_TYPE)" \
 155                 -DDEB_HOST_RUST_TYPE="$(DEB_HOST_RUST_TYPE)" \
 156                 -DDEB_TARGET_RUST_TYPE="$(DEB_TARGET_RUST_TYPE)" \
 157                 -DDEB_BUILD_GNU_TYPE="$(DEB_BUILD_GNU_TYPE)" \
 158                 -DDEB_HOST_GNU_TYPE="$(DEB_HOST_GNU_TYPE)" \
 159                 -DDEB_TARGET_GNU_TYPE="$(DEB_TARGET_GNU_TYPE)" \
 160                 -DMAKE_OPTIMISATIONS="$(MAKE_OPTIMISATIONS)" \
 161                 -DLLVM_DESTDIR="$(LLVM_DESTDIR)" \
 162                 -DLLVM_VERSION="$(LLVM_VERSION)" \
 163                 -DRUST_DESTDIR="$(RUST_DESTDIR)" \
 164                 "$<" > "$@"
 165         if $(DOWNLOAD_BOOTSTRAP) || [ $(HAVE_BINARY_TARBALL) != 0 ]; \
 166           then sed -i -e '/^rustc = /d' -e '/^cargo = /d' "$@"; fi
 167 # Work around low-memory (32-bit) architectures: https://github.com/rust-lang/rust/issues/45854
 168 #ifneq (,$(filter $(DEB_BUILD_ARCH), armhf armel mips mipsel powerpc powerpcspe))
 169         sed -i -e 's/^debuginfo-level = .*/debuginfo-level = 0/g' "$@"
 170 #endif
 171
 172 debian/rust-src.%: debian/rust-src.%.in
 173         m4  -DRUST_LONG_VERSION="$(RUST_LONG_VERSION)" \
 174                 "$<" > "$@"
 175
 176 debian/dh_auto_configure.stamp: debian/config.toml
 177         # fail the build if we have any instances of OLD_LLVM_VERSION in debian, except for debian/changelog
 178         ! grep --color=always -i 'll\(..\|d\)-\?$(subst .,\.,$(OLD_LLVM_VERSION))' --exclude=changelog --exclude='*.patch' -R debian
 179         # fail the build if we accidentally vendored openssl, indicates we pulled in unnecessary dependencies
 180         test ! -e vendor/openssl
 181         # fail the build if our version contains ~exp and we are not releasing to experimental
 182         v="$(DEB_VERSION)"; test "$$v" = "$${v%~exp*}" -o "$(DEB_DISTRIBUTION)" = "experimental" -o "$(DEB_DISTRIBUTION)" = "UNRELEASED"
 183         $(PRECONFIGURE_CHECK)
 184         if [ -d stage0 ]; then mkdir -p build && ln -sfT ../stage0 build/cache; fi
 185         # work around #842634
 186         if test $$(grep "127.0.0.1\s*localhost" /etc/hosts | wc -l) -gt 1; then \
 187           debian/ensure-patch -N debian/patches/d-host-duplicates.patch; fi
 188         # We patched some crates so have to rm the checksums
 189         find vendor -name .cargo-checksum.json -execdir "$(CURDIR)/debian/prune-checksums" "{}" ";"
 190         # Link against system liblzma, see https://github.com/alexcrichton/xz2-rs/issues/16
 191         echo 'fn main() { println!("cargo:rustc-link-lib=lzma"); }' > vendor/lzma-sys/build.rs
 192         # We don't run ./configure because we use debian/config.toml directly
 193         ln -sf debian/config.toml config.toml
 194         touch "$@"
 195
 196 override_dh_auto_configure-arch: debian/dh_auto_configure.stamp
 197 override_dh_auto_configure-indep: debian/dh_auto_configure.stamp
 198 ifeq (true,$(BUILD_DOCS))
 199 # Change config.toml now and not later, since that might trigger a rebuild
 200         sed -i -e 's/^docs = false/docs = true/' debian/config.toml
 201 endif
 202
 203 override_dh_auto_clean:
 204         $(RM) -rf build tmp .cargo debian/cargo_home config.stamp config.mk Makefile
 205         $(RM) -rf $(TEST_LOG) debian/config.toml debian/rust-src.install debian/rust-src.links debian/*.stamp
 206         $(RM) -rf $(SRC_CLEAN) config.toml
 207
 208 debian/dh_auto_build.stamp:
 209         $(RUSTBUILD) build $(RUSTBUILD_FLAGS)
 210
 211 override_dh_auto_build-arch: debian/dh_auto_build.stamp
 212 override_dh_auto_build-indep: debian/dh_auto_build.stamp
 213         $(RUSTBUILD) build $(RUSTBUILD_FLAGS) --host $(DEB_BUILD_RUST_TYPE) --target wasm32-unknown-unknown src/libstd
 214 ifeq (true,$(BUILD_DOCS))
 215         $(RUSTBUILD) doc $(RUSTBUILD_FLAGS)
 216 endif
 217
 218 TEST_LOG = debian/rustc-tests.log
 219 # This is advertised as "5 tests failed" in README.Debian because our counting
 220 # method is imprecise and in practise we count some failures twice.
 221 FAILURES_ALLOWED = 8
 222 ifneq (,$(filter $(DEB_BUILD_ARCH), ppc64 arm64 mips64el i386))
 223   FAILURES_ALLOWED = 12
 224 endif
 225 ifneq (,$(filter $(DEB_BUILD_ARCH), mips mipsel s390x))
 226   FAILURES_ALLOWED = 24
 227 endif
 228 ifneq (,$(filter $(DEB_BUILD_ARCH), powerpc powerpcspe sparc64 x32))
 229   FAILURES_ALLOWED = 180
 230 endif
 231 FAILED_TESTS = grep "FAILED\|^command did not execute successfully" $(TEST_LOG) | grep -v '^test result: FAILED'
 232 override_dh_auto_test-arch:
 233         # ensure that rustc_llvm is actually dynamically linked to libLLVM
 234         set -e; find build/*/stage2/lib/rustlib/* -name '*rustc_llvm*.so' | \
 235         while read x; do \
 236                 stat -c '%s %n' "$$x"; \
 237                 objdump -p "$$x" | grep -q "NEEDED.*LLVM"; \
 238                 test "$$(stat -c %s "$$x")" -lt 6000000; \
 239         done
 240 ifeq (, $(filter nocheck,$(DEB_BUILD_PROFILES)))
 241 ifeq (, $(filter nocheck,$(DEB_BUILD_OPTIONS)))
 242         { $(RUSTBUILD_TEST) --no-fail-fast $(RUSTBUILD_FLAGS) $(RUSTBUILD_TEST_FLAGS); echo $$?; } | tee -a $(TEST_LOG)
 243         # test that the log has at least 1 pass, to prevent e.g. #57709
 244         grep -l "^test .* \.\.\. ok$$" $(TEST_LOG)
 245         echo "==== Debian rustc test report ===="; \
 246         echo "Specific test failures:"; \
 247         $(FAILED_TESTS); \
 248         num_failures=$$($(FAILED_TESTS) | wc -l); \
 249         exit_code=$$(tail -n1 $(TEST_LOG)); \
 250         echo "Summary: exit code $$exit_code, counted $$num_failures tests failed."; \
 251         echo -n "$(FAILURES_ALLOWED) maximum allowed. "; \
 252         if test "$$num_failures" -eq 0 -a "$$exit_code" -ne 0; then \
 253           echo "Aborting just in case, because we missed counting some test failures."; \
 254           echo "This could happen if we failed to build the tests, or if the testsuite runner is buggy."; \
 255           false; \
 256         elif test "$$num_failures" -le $(FAILURES_ALLOWED); then \
 257           echo "Continuing..."; \
 258         else \
 259           echo "Aborting the build."; \
 260           echo "Check the logs further above for details."; \
 261           false; \
 262         fi
 263 # don't continue if RUSTBUILD_TEST_FLAGS is non-empty
 264         test -z "$(RUSTBUILD_TEST_FLAGS)"
 265 endif
 266 endif
 267
 268 override_dh_auto_test-indep:
 269 ifeq (, $(filter nocheck,$(DEB_BUILD_PROFILES)))
 270 ifeq (, $(filter nocheck,$(DEB_BUILD_OPTIONS)))
 271         # TODO: test wasm32-unknown-unknown but it doesn't yet work
 272 ifeq (true,$(BUILD_DOCS))
 273         # Run all rules that test the docs, i.e. in step.rs that depend on default:doc
 274         $(RUSTBUILD_TEST) --no-fail-fast src/tools/linkchecker $(RUSTBUILD_FLAGS)
 275 endif
 276         test -z "$(RUSTBUILD_TEST_FLAGS)"
 277 endif
 278 endif
 279
 280 run_rustbuild:
 281         DESTDIR=$(DEB_DESTDIR) $(RUSTBUILD) $(X_CMD) $(RUSTBUILD_FLAGS) $(X_FLAGS)
 282
 283 debian/dh_auto_install.stamp:
 284         DESTDIR=$(DEB_DESTDIR) $(RUSTBUILD) install $(RUSTBUILD_FLAGS)
 285
 286         mkdir -p $(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/
 287         mv $(DEB_DESTDIR)/usr/lib/lib*.so $(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/
 288
 289         # Replace duplicated compile-time/run-time dylibs with symlinks
 290         @set -e; \
 291         for f in $(DEB_DESTDIR)/usr/lib/rustlib/$(DEB_HOST_RUST_TYPE)/lib/lib*.so; do \
 292           name=$${f##*/}; \
 293           if [ -f "$(DEB_DESTDIR)/usr/lib/$(DEB_HOST_MULTIARCH)/$$name" ]; then \
 294             echo "ln -sf ../../../$(DEB_HOST_MULTIARCH)/$$name $$f"; \
 295             ln -sf ../../../$(DEB_HOST_MULTIARCH)/$$name $$f; \
 296           fi; \
 297         done
 298
 299         touch "$@"
 300
 301 override_dh_auto_install-arch: debian/dh_auto_install.stamp
 302 override_dh_auto_install-indep: debian/dh_auto_install.stamp
 303         DESTDIR=$(DEB_DESTDIR) $(RUSTBUILD) install $(RUSTBUILD_FLAGS) --host $(DEB_BUILD_RUST_TYPE) --target wasm32-unknown-unknown src/libstd
 304 ifeq (true,$(BUILD_DOCS))
 305         # Brute force to remove privacy-breach-logo lintian warning.
 306         # We could have updated the upstream sources but it would complexify
 307         # the rebase
 308         @set -e; \
 309         find $(DEB_DESTDIR)/usr/share/doc/*/html -iname '*.html' | \
 310         while read file; do \
 311           topdir=$$(echo "$$file" | sed 's,^$(DEB_DESTDIR)/usr/share/doc/rust/html/,,; s,/[^/]*$$,/,; s,^[^/]*$$,,; s,[^/]\+/,../,g'); \
 312           sed -i \
 313             -e "s,https://\(doc\|www\).rust-lang.org/\(favicon.ico\|logos/rust-logo-32x32-blk.png\),$${topdir}rust-logo-32x32-blk.png," \
 314             -e 's,<img src="https://img.shields.io/[^"]*" alt="\([^"]*\)" />,<span class="deb-privacy-replace--shields-io">\1</span>,g' "$$file"; \
 315         done
 316         find $(DEB_DESTDIR) \( -iname '*.html' -empty -o -name .lock -o -name '*.inc' \) -delete;
 317 endif
 318
 319 override_dh_install-arch:
 320         dh_install
 321         dh_install -p$(LIBSTD_PKG) usr/lib/$(DEB_HOST_MULTIARCH)/
 322         dh_install -plibstd-rust-dev usr/lib/rustlib/$(DEB_HOST_RUST_TYPE)/lib/
 323         dh_install -prustc usr/lib/rustlib/$(DEB_HOST_RUST_TYPE)/codegen-backends/
 324
 325 override_dh_install-indep: debian/rust-src.install debian/rust-src.links
 326         dh_install
 327         dh_install -plibstd-rust-dev-wasm32-cross usr/lib/rustlib/wasm32-*/lib/
 328         chmod -x \
 329           debian/rust-gdb/usr/share/rust-gdb/*.py \
 330           debian/rust-lldb/usr/share/rust-lldb/*.py
 331         $(RM) -rf $(SRC_CLEAN:%=debian/rust-src/usr/src/rustc-$(RUST_LONG_VERSION)/%)
 332         # Get rid of lintian warnings
 333         find debian/rust-src/usr/src/rustc-$(RUST_LONG_VERSION) \
 334                 \( -name .gitignore \
 335                 -o -name 'LICENSE*' \
 336                 -o -name 'LICENCE' \
 337                 -o -name 'license' \
 338                 -o -name 'COPYING*' \
 339                 \) -delete
 340         # Remove files that autoload remote resources, caught by lintian
 341         $(RM) -rf debian/rust-src/usr/src/rustc-*/vendor/cssparser/docs/*.html
 342         $(RM) -rf debian/rust-src/usr/src/rustc-*/vendor/kuchiki/docs/*.html
 343         $(RM) -rf debian/rust-src/usr/src/rustc-*/vendor/url/docs/*.html
 344         $(RM) -rf debian/rust-src/usr/src/rustc-*/vendor/xz2/.gitmodules
 345
 346 override_dh_installchangelogs:
 347         dh_installchangelogs RELEASES.md
 348
 349 override_dh_installdocs:
 350         dh_installdocs -X.tex -X.aux -X.log -X.out -X.toc
 351
 352 override_dh_missing:
 353         dh_missing --list-missing
 354
 355 override_dh_compress:
 356         dh_compress -X.woff
 357
 358 override_dh_strip:
 359         # Work around #35733, #468333
 360         find debian/libstd-rust-dev*/ -name '*.rlib' -execdir mv '{}' '{}.a' \;
 361         # This is expected to print out lots of "File format unrecognized" warnings about
 362         # rust.metadata.bin and *.deflate but the .o files inside the rlibs should be stripped
 363         # Some files are still omitted because of #875780 however.
 364         dh_strip -v
 365         find debian/libstd-rust-dev*/ -name '*.rlib.a' -execdir sh -c 'mv "$$1" "$${1%.a}"' - '{}' \;
 366
 367 override_dh_makeshlibs:
 368         dh_makeshlibs -V
 369
 370         # dh_makeshlibs doesn't support our "libfoo-version.so" naming
 371         # structure, so we have to do this ourselves.
 372         install -o 0 -g 0 -d debian/$(LIBSTD_PKG)/DEBIAN
 373         LC_ALL=C ls debian/$(LIBSTD_PKG)/usr/lib/$(DEB_HOST_MULTIARCH)/lib*.so | \
 374         sed -n 's,^.*/\(lib.*\)-\(.\+\)\.so$$,\1 \2,p' | \
 375         while read name version; do \
 376           echo "$$name $$version $(LIBSTD_PKG) (>= $(DEB_VERSION_UPSTREAM))"; \
 377         done > debian/$(LIBSTD_PKG)/DEBIAN/shlibs
 378         chmod 644 debian/$(LIBSTD_PKG)/DEBIAN/shlibs
 379         chown 0:0 debian/$(LIBSTD_PKG)/DEBIAN/shlibs
 380
 381 override_dh_shlibdeps:
 382         dh_shlibdeps -- -x$(LIBSTD_PKG)
 383
 384 QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE = x=$$?; if [ $$x = 2 ]; then exit 0; else exit $$x; fi
 385 source_orig-stage0:
 386         QUILT_PATCHES=debian/patches quilt push -aq; $(QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE)
 387         $(MAKE) -f debian/rules clean
 388         debian/make_orig-stage0_tarball.sh
 389         QUILT_PATCHES=debian/patches quilt pop -aq; $(QUILT_SPECIAL_SNOWFLAKE_RETURN_CODE)
 390         rm -rf .pc
 391
 392 get_beta_version = \
 393         u="$(DEB_VERSION_UPSTREAM)"; \
 394         if [ "$$u" != "$${u%~beta.*+dfsg*}" ]; then \
 395         newver=$(shell echo $(RUST_VERSION) | perl -lpe 's/(\d+)\.(\d+)/$$1 . "." . ($$2)/e'); \
 396         else \
 397         newver=$(shell echo $(RUST_VERSION) | perl -lpe 's/(\d+)\.(\d+)/$$1 . "." . ($$2+1)/e'); \
 398         fi
 399
 400 debian/watch-beta: debian/watch-beta.in debian/rules
 401         set -e; $(get_beta_version); \
 402         m4 -DOLDVER="$$oldver" -DNEWVER="$$newver.0" "$<" > "$@"
 403
 404 source_orig-beta: debian/watch-beta
 405         uscan $(USCAN_OPTS) $(if $(USCAN_DESTDIR),--destdir=$(USCAN_DESTDIR),) --verbose --watchfile "$<"
 406         set -e; $(get_beta_version); \
 407         bd="$(if $(USCAN_DESTDIR),$(USCAN_DESTDIR),..)"; \
 408         tar xf $$bd/rustc-$$newver.0-beta.999-src.tar.xz rustc-beta-src/version; \
 409         bv="$$(sed -re 's/[0-9]+.[0-9]+.[0-9]+-beta.([0-9]+) \(.*\)/\1/g' rustc-beta-src/version)"; \
 410         bash -c 'shopt -s nullglob; for i in '"$$bd"'/rustc*beta.999*; do mv $$i $${i/beta.999/beta.'"$$bv"'}; done'; \
 411         rm -f rustc-beta-src/version; \
 412         rmdir -p rustc-beta-src; \
 413         echo "prepared rustc $$newver.0~beta.$$bv in $$bd"