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https://linux.maple.camp/git/ahill/maplelinux-bootstrap.git
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Started bootstrapping with treetap
This commit is contained in:
Alexander Hill
195
treetap
Executable file
195
treetap
Executable file
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#!/bin/sh -e
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# Copyright (c) 2025 Alexander Hill
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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# AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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# PERFORMANCE OF THIS SOFTWARE.
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####################
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# Global Variables #
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####################
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[ -z "$TREETAP_DIR" ] && TREETAP_DIR="$(pwd)/.treetap"
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[ -z "$TREETAP_PKGDIR" ] && TREETAP_PKGDIR="$TREETAP_DIR/packages"
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[ -z "$TREETAP_SYSROOT" ] && TREETAP_SYSROOT=/
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TREETAP_VERSION="1.0.0"
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#####################
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# Utility Functions #
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#####################
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# Displays the usage information for treetap
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help_message() {
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echo "treetap $TREETAP_VERSION"
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echo
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echo "Package Commands:"
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echo " $0 install <package> [sysroot]"
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echo " $0 uninstall <package> [sysroot]"
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echo
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echo "Source Commands:"
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echo " $0 build <spec>"
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echo " $0 clean <spec>"
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echo " $0 fetch <spec>"
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echo " $0 package <spec>"
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echo " $0 purge <spec>"
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exit 1
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}
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# Confirms that the given strings are valid package and sysroot paths
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package_check() {
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[ -z "$1" ] && (echo "package_check: Missing package file"; exit 1)
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[ -z "$2" ] && (echo "package_check: Missing sysroot"; exit 1)
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[ ! -f "$1" ] && (echo "package_check: Package file \"$1\" not found"; exit 1)
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[ ! -d "$2" ] && (echo "package_check: Sysroot \"$2\" not found"; exit 1)
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true
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}
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# Reads the source specification and ensures it includes the required data
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source_spec() {
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# Sanity Check
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[ -z "$1" ] && (echo "source_spec: Missing specification file"; exit 1)
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[ ! -f "$1" ] && (echo "source_spec: Specification file \"$1\" not found"; exit 1)
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# Zhu Li, do the thing!
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source $1
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# Required Fields
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[ -z "$SRC_HASH" ] && (echo "source_spec: SRC_HASH is required but not defined"; exit 1)
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[ -z "$SRC_NAME" ] && (echo "source_spec: SRC_NAME is required but not defined"; exit 1)
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[ -z "$SRC_URL" ] && (echo "source_spec: SRC_URL is required but not defined"; exit 1)
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[ -z "$SRC_VERSION" ] && (echo "source_spec: SRC_VERSION is required but not defined"; exit 1)
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# Optional Fields
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[ -z "$SRC_FILENAME" ] && SRC_FILENAME=$(basename $SRC_URL)
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# Environmental Variables
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[ -z "$TREETAP_BINDIR" ] && TREETAP_BINDIR=/bin
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TREETAP_BUILD=$(clang -dumpmachine)
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[ -z "$TREETAP_TARGET" ] && TREETAP_TARGET=$TREETAP_BUILD
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TREETAP_BUILDDIR="$TREETAP_DIR/sources/$SRC_NAME/$SRC_VERSION/$TREETAP_TARGET"
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[ -z "$TREETAP_INCLUDEDIR" ] && TREETAP_INCLUDEDIR=/usr/include
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TREETAP_INSTALLDIR="$TREETAP_BUILDDIR/install"
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[ -z "$TREETAP_LIBDIR" ] && TREETAP_LIBDIR=/lib
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[ -z "$TREETAP_PREFIX" ] && TREETAP_PREFIX=/
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[ -z "$TREETAP_PROCS" ] && TREETAP_PROCS=$(nproc)
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true
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}
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###############
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# Subcommands #
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###############
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# Installs a package to the sysroot
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package_install() {
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[ ! -z "$2" ] && TREETAP_SYSROOT=$2
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package_check $1 $TREETAP_SYSROOT
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echo "Installing $(basename $1)"
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FULLPATH=$(pwd)/$1
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pushd $TREETAP_SYSROOT > /dev/null
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xz -cd $FULLPATH | cpio -idmu --quiet
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popd > /dev/null
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exit 0
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}
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# Uninstalls a package from the sysroot
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package_uninstall() {
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[ ! -z "$2" ] && TREETAP_SYSROOT=$2
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package_check $1 $TREETAP_SYSROOT
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echo "Uninstalling $(basename $1)"
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FULLPATH=$(pwd)/$1
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pushd $TREETAP_SYSROOT > /dev/null
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xz -cd $FULLPATH | cpio -it --quiet | tail -n +2 | sort -r | while read path; do
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if [ -d $path ]; then
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rmdir --ignore-fail-on-non-empty $path
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else
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rm -f $path
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fi
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done
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popd > /dev/null
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exit 0
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}
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# Builds the source from the previously fetched tarball
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source_build() {
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source_spec $1
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mkdir -p $TREETAP_BUILDDIR
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pushd $TREETAP_BUILDDIR > /dev/null
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echo "Building $SRC_NAME $SRC_VERSION"
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build > build-$(date +%Y%m%d%H%M%S).log 2>&1
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popd > /dev/null
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exit 0
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}
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# Cleans the source from the previous build
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source_clean() {
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source_spec $1
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mkdir -p $TREETAP_BUILDDIR
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pushd $TREETAP_BUILDDIR > /dev/null
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echo "Cleaning $SRC_NAME $SRC_VERSION"
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clean
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rm -rf $TREETAP_INSTALLDIR
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popd > /dev/null
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exit 0
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}
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# Fetches and verifies the integrity of the source tarball
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source_fetch() {
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source_spec $1
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mkdir -p $TREETAP_BUILDDIR
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pushd $TREETAP_BUILDDIR/.. > /dev/null
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echo "Fetching $SRC_FILENAME"
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curl -L -sS $SRC_URL -o $SRC_FILENAME
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echo "Verifying $SRC_FILENAME"
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echo "$SRC_HASH $SRC_FILENAME" | sha256sum -c - > /dev/null
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popd > /dev/null
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exit 0
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}
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# Packages the built artifacts for distribution
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source_package() {
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source_spec $1
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mkdir -p $TREETAP_BUILDDIR
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mkdir -p $TREETAP_INSTALLDIR
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mkdir -p $TREETAP_PKGDIR
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pushd $TREETAP_BUILDDIR > /dev/null
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echo "Moving artifacts for $SRC_NAME $SRC_VERSION"
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package > package-$(date +%Y%m%d%H%M%S).log
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echo "Archiving $SRC_NAME $SRC_VERSION"
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cd $TREETAP_INSTALLDIR
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find | cpio -o --quiet | xz -cz > "$TREETAP_PKGDIR/$SRC_NAME-$SRC_VERSION.cpio.xz"
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rm -rf $TREETAP_INSTALLDIR
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popd > /dev/null
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exit 0
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}
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# Purges the entire build directory for a source
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source_purge() {
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source_spec $1
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rm -rf $TREETAP_BUILDDIR
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exit 0
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}
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###############
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# Entry Point #
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###############
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case "$1" in
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"build") source_build $2 ;;
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"clean") source_clean $2 ;;
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"fetch") source_fetch $2 ;;
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"install") package_install $2 $3 ;;
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"package") source_package $2 ;;
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"purge") source_purge $2 ;;
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"uninstall") package_uninstall $2 $3 ;;
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*) help_message ;;
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esac
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