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