cd4e0cebc9
Having separate .ninja_log files doesn't work very well after
04d886b110
since the last successful timestamp is not recorded in the ninja log.
This was triggering the primary builder to be run twice on every build
since it was always considered out of date in the primary, then main
stages.
The two bootstrap stages already were unified when minibootstrap was
simplified, but this combines the main stage as well. This means that
we'll save some time running globs that are shared between minibp and
the primary builder as well (subdirs globs).
The cleanup code needed to be refactored, since the ninja_log will have
entries from the main stage as well. So instead of looking at everything
in the ninja log, take a string prefix to limit what we may clean.
Change-Id: I8d43168643aa8a0c6c3e48c6101eaa45d174bbe5
112 lines
3.9 KiB
Bash
Executable file
112 lines
3.9 KiB
Bash
Executable file
#!/bin/bash
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# This script serves two purposes. First, it can bootstrap the standalone
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# Blueprint to generate the minibp binary. To do this simply run the script
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# with no arguments from the desired build directory.
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#
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# It can also be invoked from another script to bootstrap a custom Blueprint-
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# based build system. To do this, the invoking script must first set some or
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# all of the following environment variables, which are documented below where
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# their default values are set:
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#
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# BOOTSTRAP
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# WRAPPER
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# SRCDIR
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# BLUEPRINTDIR
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# BUILDDIR
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# NINJA_BUILDDIR
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# GOROOT
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#
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# The invoking script should then run this script, passing along all of its
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# command line arguments.
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set -e
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EXTRA_ARGS=""
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# BOOTSTRAP should be set to the path of the bootstrap script. It can be
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# either an absolute path or one relative to the build directory (which of
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# these is used should probably match what's used for SRCDIR).
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if [ -z "$BOOTSTRAP" ]; then
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BOOTSTRAP="${BASH_SOURCE[0]}"
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# WRAPPER should only be set if you want a ninja wrapper script to be
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# installed into the builddir. It is set to blueprint's blueprint.bash
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# only if BOOTSTRAP and WRAPPER are unset.
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[ -z "$WRAPPER" ] && WRAPPER="`dirname "${BOOTSTRAP}"`/blueprint.bash"
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fi
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# SRCDIR should be set to the path of the root source directory. It can be
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# either an absolute path or a path relative to the build directory. Whether
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# its an absolute or relative path determines whether the build directory can
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# be moved relative to or along with the source directory without re-running
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# the bootstrap script.
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[ -z "$SRCDIR" ] && SRCDIR=`dirname "${BOOTSTRAP}"`
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# BLUEPRINTDIR should be set to the path to the blueprint source. It generally
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# should start with SRCDIR.
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[ -z "$BLUEPRINTDIR" ] && BLUEPRINTDIR="${SRCDIR}"
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# BUILDDIR should be set to the path to store build results. By default, this
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# is the current directory, but it may be set to an absolute or relative path.
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[ -z "$BUILDDIR" ] && BUILDDIR=.
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# NINJA_BUILDDIR should be set to the path to store the .ninja_log/.ninja_deps
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# files. By default this is the same as $BUILDDIR.
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[ -z "$NINJA_BUILDDIR" ] && NINJA_BUILDDIR="${BUILDDIR}"
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# TOPNAME should be set to the name of the top-level Blueprints file
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[ -z "$TOPNAME" ] && TOPNAME="Blueprints"
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# These variables should be set by auto-detecting or knowing a priori the host
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# Go toolchain properties.
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[ -z "$GOROOT" ] && GOROOT=`go env GOROOT`
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# If RUN_TESTS is set, behave like -t was passed in as an option.
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[ ! -z "$RUN_TESTS" ] && EXTRA_ARGS="-t"
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usage() {
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echo "Usage of ${BOOTSTRAP}:"
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echo " -h: print a help message and exit"
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echo " -b <builddir>: set the build directory"
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echo " -t: run tests"
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}
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# Parse the command line flags.
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while getopts ":b:ht" opt; do
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case $opt in
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b) BUILDDIR="$OPTARG";;
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t) EXTRA_ARGS="-t";;
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h)
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usage
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exit 1
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;;
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\?)
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echo "Invalid option: -$OPTARG" >&2
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usage
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exit 1
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;;
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:)
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echo "Option -$OPTARG requires an argument." >&2
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exit 1
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;;
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esac
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done
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mkdir -p $BUILDDIR/.minibootstrap
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echo "bootstrapBuildDir = $BUILDDIR" > $BUILDDIR/.minibootstrap/build.ninja
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echo "topFile = $SRCDIR/$TOPNAME" >> $BUILDDIR/.minibootstrap/build.ninja
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echo "extraArgs = $EXTRA_ARGS" >> $BUILDDIR/.minibootstrap/build.ninja
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echo "builddir = $NINJA_BUILDDIR" >> $BUILDDIR/.minibootstrap/build.ninja
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echo "include $BLUEPRINTDIR/bootstrap/build.ninja" >> $BUILDDIR/.minibootstrap/build.ninja
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echo "BLUEPRINT_BOOTSTRAP_VERSION=1" > $BUILDDIR/.blueprint.bootstrap
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echo "SRCDIR=\"${SRCDIR}\"" >> $BUILDDIR/.blueprint.bootstrap
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echo "BLUEPRINTDIR=\"${BLUEPRINTDIR}\"" >> $BUILDDIR/.blueprint.bootstrap
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echo "NINJA_BUILDDIR=\"${NINJA_BUILDDIR}\"" >> $BUILDDIR/.blueprint.bootstrap
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echo "GOROOT=\"${GOROOT}\"" >> $BUILDDIR/.blueprint.bootstrap
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if [ ! -z "$WRAPPER" ]; then
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cp $WRAPPER $BUILDDIR/
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fi
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