#!/bin/sh -ef # # This is a simple package manager written in POSIX 'sh' for use # in KISS Linux (https://getkiss.org). # # This script runs with '-ef' meaning: # '-e': Abort on any non-zero exit code. # '-f': Disable globbing globally. # # [1] Warnings related to word splitting and globbing are disabled. # All word splitting in this script is *safe* and intentional. # # Dylan Araps. log() { # Print a message prettily. # # This function uses the literal escape character (Ctrl+V+Escape) as # a simple way of *safely* bypassing the escape sequence restrictions # on 'printf %s'. Cheeky, I know. # # '\033[1;32m' Set text to color '2' and make it bold. # '\033[m': Reset text formatting. # '${3:-->}': If the 3rd argument is missing, set prefix to '->'. # '${2:+[1;3Xm}': If the 2nd argument exists, set the text style of '$1'. # '$((${#1}%5+1))': Color the package name based on its length. # '${2:+[m}': If the 2nd argument exists, reset text formatting. printf '\033[1;33m%s \033[m%s\033[m %s\n' \ "${3:-->}" "${2:+[1;3$((${#1}%5+1))m}$1${2:+[m}" "$2" } die() { # Print a message and exit with '1' (error). log "$1" "$2" "!>" >&2 exit 1 } contains() { # Check if a "string list" contains a word. case " $1 " in *" $2 "*) return 0; esac return 1 } prompt() { # As the user for some input. log "Continue?: Press Enter to continue or Ctrl+C to abort here" # POSIX 'read' has none of the "nice" options like '-n', '-p' # etc etc. This is the most basic usage of 'read'. # '_' is used as 'dash' errors when no variable is given to 'read'. read -r _ } pkg_lint() { # Check that each mandatory file in the package entry exists. log "$1" "Checking repository files" repo_dir=$(pkg_find "$1") cd "$repo_dir" || die "'$repo_dir' not accessible" [ -f sources ] || die "$1" "Sources file not found" [ -x build ] || die "$1" "Build file not found or not executable" [ -s version ] || die "$1" "Version file not found or empty" read -r _ release < version [ "$release" ] || die "Release field not found in version file" } pkg_find() { # Figure out which repository a package belongs to by # searching for directories matching the package name # in $KISS_PATH/*. [ "$KISS_PATH" ] || die "\$KISS_PATH needs to be set" # Find the repository containing a package. # Searches installed packages if the package is absent # from the repositories. # See [1] at top of script. # shellcheck disable=2046,2086 set -- "$1" $(IFS=:; find $KISS_PATH "$sys_db" -maxdepth 1 -name "$1") # A package may also not be found due to a repository not being # readable by the current user. Either way, we need to die here. [ "$2" ] || die "Package '$1' not in any repository" printf '%s\n' "$2" } pkg_list() { # List installed packages. As the format is files and # directories, this just involves a simple for loop and # file read. # Change directories to the database. This allows us to # avoid having to 'basename' each path. If this fails, # set '$1' to mimic a failed glob which indicates that # nothing is installed. cd "$sys_db" 2>/dev/null || set -- "$sys_db/"\* # Optional arguments can be passed to check for specific # packages. If no arguments are passed, list all. As we # loop over '$@', if there aren't any arguments we can # just set the directory contents to the argument list. [ "$1" ] || { set +f; set -f -- *; } # If the 'glob' above failed, exit early as there are no # packages installed. [ "$1" = "$sys_db/"\* ] && return 1 # Loop over each package and print its name and version. for pkg; do [ -d "$pkg" ] || { log "Package '$pkg' is not installed" return 1 } read -r version 2>/dev/null < "$pkg/version" || version=null printf '%s\n' "$pkg $version" done } pkg_sources() { # Download any remote package sources. The existence of local # files is also checked. log "$1" "Downloading sources" # Store each downloaded source in a directory named after the # package it belongs to. This avoid conflicts between two packages # having a source of the same name. mkdir -p "$src_dir/$1" && cd "$src_dir/$1" repo_dir=$(pkg_find "$1") while read -r src _; do case $src in # Remote source. *://*) [ -f "${src##*/}" ] && { log "$1" "Found cached source '${src##*/}'" continue } wget "$src" || { rm -f "${src##*/}" die "$1" "Failed to download $src" } ;; # Local source. *) [ -f "$repo_dir/$src" ] || die "$1" "No local file '$src'" log "$1" "Found local file '$src'" ;; esac done < "$repo_dir/sources" } pkg_extract() { # Extract all source archives to the build directory and copy over # any local repository files. log "$1" "Extracting sources" repo_dir=$(pkg_find "$1") while read -r src dest; do mkdir -p "$mak_dir/$1/$dest" && cd "$mak_dir/$1/$dest" case $src in # Only 'tar' archives are currently supported for extraction. # Any other file-types are simply copied to '$mak_dir' which # allows for manual extraction. *://*.tar*|*://*.tgz) tar xf "$src_dir/$1/${src##*/}" --strip-components 1 \ || die "$1" "Couldn't extract ${src##*/}" ;; *) # Local file. if [ -f "$repo_dir/$src" ]; then cp -f "$repo_dir/$src" . # Remote file. elif [ -f "$src_dir/$1/${src##*/}" ]; then cp -f "$src_dir/$1/${src##*/}" . else die "$1" "Local file $src not found" fi ;; esac done < "$repo_dir/sources" } pkg_depends() { # Resolve all dependencies and generate an ordered list. repo_dir=$(pkg_find "$1") # This does a depth-first search. The deepest dependencies are # listed first and then the parents in reverse order. contains "$deps" "$1" || { # Filter out non-explicit, aleady installed dependencies. # Only filter installed if called from 'pkg_build()'. [ "$pkg_build" ] && [ -z "$2" ] && (pkg_list "$1" >/dev/null) && return # Recurse through the dependencies of the child packages. while read -r dep _; do [ "${dep##\#*}" ] && pkg_depends "$dep" done 2>/dev/null < "$repo_dir/depends" ||: # After child dependencies are added to the list, # add the package which depends on them. [ "$2" = explicit ] || deps="$deps $1 " } } pkg_strip() { # Strip package binaries and libraries. This saves space on the # system as well as on the tar-balls we ship for installation. # Package has stripping disabled, stop here. [ -f "$(pkg_find "$1")/nostrip" ] && return log "$1" "Stripping binaries and libraries" # Strip only files matching the below ELF types. find "$pkg_dir/$1" -type f | while read -r file; do case $(readelf -h "$file" 2>/dev/null) in *" DYN "*) strip_opt=--strip-unneeded ;; *" EXEC "*) strip_opt=--strip-all ;; *" REL "*) strip_opt=--strip-debug ;; *) continue esac # Suppress errors here as some binaries and libraries may # fail to strip. This is OK. strip "$strip_opt" "$file" 2>/dev/null ||: done } pkg_fixdeps() { # Dynamically look for missing runtime dependencies by checking # each binary and library with 'ldd'. This catches any extra # libraries and or dependencies pulled in by the package's # build suite. log "$1" "Checking for missing dependencies" # Go to the directory containing the built package to # simplify path building. cd "$pkg_dir/$1/$pkg_db/$1" # Make a copy of the depends file if it exists to have a # reference to 'diff' against. [ -f depends ] && cp -f depends depends-copy # Get a list of binaries and libraries, false files # will be found, however it's faster to get 'ldd' to check # them anyway than to filter them out. find "$pkg_dir/$1" -type f 2>/dev/null | while read -r file; do # Run 'ldd' on the file and parse each line. The code # then checks to see which packages own the linked # libraries and it prints the result. ldd "$file" 2>/dev/null | while read -r dep; do # Skip lines containing 'ldd'. [ "${dep##*ldd*}" ] || continue # Extract the file path from 'ldd' output. dep=${dep#* => } dep=${dep% *} # Traverse symlinks to get the true path to the file. dep=$(readlink -f "$KISS_ROOT/${dep##$KISS_ROOT}") # Figure out which package owns the file. dep=$(set +f; grep -lFx "${dep##$KISS_ROOT}" "$sys_db/"*/manifest) # Extract package name from 'grep' match. dep=${dep%/*} dep=${dep##*/} case $dep in # Skip listing these packages as dependencies. musl|gcc|${PWD##*/}) ;; *) printf '%s\n' "$dep" ;; esac done ||: done >> depends-copy # Remove duplicate entries from the new depends file. # This remove duplicate lines looking *only* at the # first column. sort -u -k1,1 depends-copy > depends-new # Display a 'diff' of the new dependencies agaisnt # the old ones. '-N' treats non-existent files as blank. diff -N depends depends-new ||: # Do some clean up as this required a few temporary files. mv -f depends-new depends rm -f depends-copy } pkg_manifest() ( # Generate the package's manifest file. This is a list of each file # and directory inside the package. The file is used when uninstalling # packages, checking for package conflicts and for general debugging. log "$1" "Generating manifest" # This funcion runs as a sub-shell to avoid having to 'cd' back to the # prior directory before being able to continue. cd "$pkg_dir/$1" # find: Print all files and directories and append '/' to directories. # sort: Sort the output in *reverse*. Directories appear *after* their # contents. # sed: Remove the first character in each line (./dir -> /dir). find . -mindepth 1 -type d -exec printf '%s/\n' {} + -or -print | sort -r | sed ss.ss > "$pkg_dir/$1/$pkg_db/$1/manifest" ) pkg_tar() { # Create a tar-ball from the built package's files. # This tar-ball also contains the package's database entry. log "$1" "Creating tar-ball" # Read the version information to name the package. read -r version release < "$(pkg_find "$1")/version" # Create a tar-ball from the contents of the built package. tar zpcf "$bin_dir/$1#$version-$release.tar.gz" -C "$pkg_dir/$1" . || die "$1" "Failed to create tar-ball" log "$1" "Successfully created tar-ball" } pkg_build() { # Build packages and turn them into packaged tar-balls. This function # also checks checksums, downloads sources and ensure all dependencies # are installed. pkg_build=1 log "Resolving dependencies" for pkg; do contains "$explicit" "$pkg" || { pkg_depends "$pkg" explicit # Mark packages passed on the command-line # separately from those detected as dependencies. explicit="$explicit $pkg " } done explicit_build=$explicit # If an explicit package is a dependency of another explicit # package, remove it from the explicit list as it needs to be # installed as a dependency. for pkg; do # There's no better way to remove a word from a string in # POSIX 'sh' sadly. contains "$deps" "$pkg" && explicit=$(echo "$explicit" | sed "s/ $pkg / /g") done # See [1] at top of script. # shellcheck disable=2046,2086 set -- $deps $explicit log "Building: $*" # Only ask for confirmation if more than one package needs to be built. [ $# -gt 1 ] || [ "$pkg_update" ] && { prompt || exit; } log "Checking to see if any dependencies have already been built" log "Installing any pre-built dependencies" # Install any pre-built dependencies if they exist in the binary # directory and are up to date. for pkg; do # Don't check for a pre-built package if it was passed # to KISS directly. contains "$explicit_build" "$pkg" || { # Figure out the version and release. read -r version release < "$(pkg_find "$pkg")/version" # Install any pre-built binaries if they exist. # This calls 'args' to inherit a root check and call # to 'sudo' to elevate permissions. [ -f "$bin_dir/$pkg#$version-$release.tar.gz" ] && { log "$pkg" "Found pre-built binary, installing" (KISS_FORCE=1 args i "$bin_dir/$pkg#$version-$release.tar.gz") # Remove the now installed package from the build # list. No better way than using 'sed' in POSIX 'sh'. # See [1] at top of script. # shellcheck disable=2046,2086 set -- $(echo " $* " | sed "s/ $pkg / /") } } done for pkg; do pkg_lint "$pkg"; done for pkg; do # Ensure that checksums exist prior to building the package. [ -f "$(pkg_find "$pkg")/checksums" ] || { log "$pkg" "Checksums are missing" # Instead of dying above, log it to the terminal. Also define a # variable so we *can* die after all checksum files have been # checked. no_sums="$no_sums$pkg " } done # Die here as packages without checksums were found above. [ "$no_sums" ] && die "Checksums missing, run 'kiss checksum ${no_sums% }'" for pkg; do pkg_sources "$pkg"; done # Verify all package checksums. This is achieved by generating # a new set of checksums and then comparing those with the old # set. for pkg; do pkg_checksums "$pkg" | cmp -s - "$(pkg_find "$pkg")/checksums" || { log "$pkg" "Checksum mismatch" # Instead of dying above, log it to the terminal. Also define a # variable so we *can* die after all checksum files have been # checked. mismatch="$mismatch$pkg " } done # Die here as packages with differing checksums were found above. [ "$mismatch" ] && die "Checksum mismatch with: ${mismatch% }" # Finally build and create tarballs for all passed packages and # dependencies. for pkg; do pkg_extract "$pkg" repo_dir=$(pkg_find "$pkg") # Install built packages to a directory under the package name # to avoid collisions with other packages. mkdir -p "$pkg_dir/$pkg/$pkg_db" # Move to the build directory. cd "$mak_dir/$pkg" # Call the build script. "$repo_dir/build" "$pkg_dir/$pkg" || die "$pkg" "Build failed" # Copy the repository files to the package directory. # This acts as the database entry. cp -Rf "$repo_dir" "$pkg_dir/$pkg/$pkg_db/" log "$pkg" "Successfully built package" # Create the manifest file early and make it empty. # This ensure that the manifest is added to the manifest... : > "$pkg_dir/$pkg/$pkg_db/$pkg/manifest" pkg_strip "$pkg" pkg_fixdeps "$pkg" pkg_manifest "$pkg" pkg_tar "$pkg" # Install only dependencies of passed packages. # Skip this check if this is a package update. contains "$explicit" "$pkg" && [ -z "$pkg_update" ] && continue log "$pkg" "Needed as a dependency or has an update, installing" (KISS_FORCE=1 args i "$pkg") done # End here as this was a system update and all packages have been installed. [ "$pkg_update" ] && return log "Successfully built package(s)" # Turn the explicit packages into a 'list'. # See [1] at top of script. # shellcheck disable=2046,2086 set -- $explicit # Only ask for confirmation if more than one package needs to be installed. [ $# -gt 1 ] && { log "Install built packages? [$*]" prompt && { args i "$@" return } } log "Run 'kiss i $*' to install the package(s)" } pkg_checksums() { # Generate checksums for packages. repo_dir=$(pkg_find "$1") while read -r src _; do # File is local to the package. if [ -f "$repo_dir/$src" ]; then src_path=$repo_dir/${src%/*} # File is remote and was downloaded. elif [ -f "$src_dir/$1/${src##*/}" ]; then src_path=$src_dir/$1 # Die here if source for some reason, doesn't exist. else die "$1" "Couldn't find source '$src'" fi # An easy way to get 'sha256sum' to print with the 'basename' # of files is to 'cd' to the file's directory beforehand. (cd "$src_path" && sha256sum "${src##*/}") || die "$1" "Failed to generate checksums" done < "$repo_dir/sources" } pkg_conflicts() { # Check to see if a package conflicts with another. log "$2" "Checking for package conflicts" set +ef # Extract manifest from tarball and only print files which # exist in the filesystem. It's pointless to check for conflicts # with files which don't presently exist. tar xf "$1" -O "./$pkg_db/$2/manifest" | while read -r file; do [ -f "$KISS_ROOT/$file" ] && printf '%s\n' "$file" done | # Filter the existing file list through the manifest of the # presently installed version of the package (if it exists). grep -svFxf "$sys_db/$2/manifest" - 2>/dev/null > "$cac_dir/$pid-m" # If the generated manifest contains matches, check the # contents for conflicts. [ -s "$cac_dir/$pid-m" ] && grep -Fxf "$cac_dir/$pid-m" -- "$sys_db"/*/manifest && die "Package '$2' conflicts with another package" set -ef } pkg_remove() { # Remove a package and all of its files. The '/etc' directory # is handled differently and configuration files are *not* # overwritten. # The package is not installed, don't do anything. pkg_list "$1" >/dev/null || { log "$1" "Not installed" return } # Enable globbing. set +f # Make sure that nothing depends on this package. [ "$2" = check ] && for file in "$sys_db/"*; do # Check each depends file for the package and if it's # a run-time dependency, append to the $required_by string. grep -qFx "$1" "$file/depends" 2>/dev/null && required_by="$required_by'${file##*/}', " done # Disable globbing. set -f [ "$required_by" ] && die "$1" "Package is required by ${required_by%, }" # Block being able to abort the script with 'Ctrl+C' during removal. # Removes all risk of the user aborting a package removal leaving # an incomplete package installed. trap '' INT while read -r file; do # The file is in '/etc' skip it. This prevents the package # manager from removing user edited configuration files. [ "${file##/etc/*}" ] || continue if [ -d "$KISS_ROOT/$file" ]; then rmdir "$KISS_ROOT/$file" 2>/dev/null || continue else rm -f "$KISS_ROOT/$file" fi done < "$sys_db/$1/manifest" # Reset 'trap' to its original value. Removal is done so # we no longer need to block 'Ctrl+C'. trap pkg_clean EXIT INT log "$1" "Removed successfully" } pkg_install() { # Install a built package tar-ball. # Install can also take the full path to a tar-ball. # We don't need to check the repository if this is the case. if [ -f "$1" ] && [ -z "${1%%*.tar.gz}" ] ; then tar_file=$1 else # Read the version information to name the package. read -r version release < "$(pkg_find "$1")/version" # Construct the name of the package tarball. tar_name=$1\#$version-$release.tar.gz [ -f "$bin_dir/$tar_name" ] || die "Package '$1' has not been built, run 'kiss build $1'" tar_file=$bin_dir/$tar_name fi # Figure out which package the tar-ball installs by checking for # a database entry inside the tar-ball. If no database entry exists, # exit here as the tar-ball is *most likely* not a KISS package. pkg_name=$(tar tf "$tar_file" | grep -x "\./$pkg_db/.*/version") || die "'${tar_file##*/}' is not a valid KISS package" pkg_name=${pkg_name%/*} pkg_name=${pkg_name##*/} pkg_conflicts "$tar_file" "$pkg_name" mkdir -p "$tar_dir/$pkg_name" # Extract the tar-ball to catch any errors before installation begins. tar pxf "$tar_file" -C "$tar_dir/$pkg_name" || die "$pkg_name" "Failed to extract tar-ball" log "$pkg_name" "Checking that all dependencies are installed" # Make sure that all run-time dependencies are installed prior to # installing the package. [ -f "$tar_dir/$pkg_name/$pkg_db/$pkg_name/depends" ] && [ -z "$KISS_FORCE" ] && while read -r dep dep_type; do [ "${dep##\#*}" ] || continue [ "$dep_type" ] || pkg_list "$dep" >/dev/null || install_dep="$install_dep'$dep', " done < "$tar_dir/$pkg_name/$pkg_db/$pkg_name/depends" [ "$install_dep" ] && die "$1" "Package requires ${install_dep%, }" log "$pkg_name" "Installing package incrementally" # Block being able to abort the script with Ctrl+C during installation. # Removes all risk of the user aborting a package installation leaving # an incomplete package installed. trap '' INT # If the package is already installed (and this is an upgrade) make a # backup of the manifest file. old_manifest=$(cat "$sys_db/$pkg_name/manifest" 2>/dev/null ||:) # This is repeated multiple times. Better to make it a function. pkg_rsync() { rsync --chown=root:root -WhHKa --no-compress "$1" --exclude etc \ "$tar_dir/$pkg_name/" "$KISS_ROOT/" } # Install the package by using 'rsync' and overwrite any existing files # (excluding '/etc/'). pkg_rsync --info=progress2 # If '/etc/' exists in the package, install it but don't overwrite. [ -d "$tar_dir/$pkg_name/etc" ] && rsync --chown=root:root -WhHKa --no-compress --ignore-existing \ "$tar_dir/$pkg_name/etc" "$KISS_ROOT/" # Remove any leftover files if this is an upgrade. [ "$old_manifest" ] && { printf '%s\n' "$old_manifest" | grep -vFxf "$sys_db/$pkg_name/manifest" - | while read -r file; do # Skip deleting some leftover files. case $file in /etc/*|*bin/rm|*bin/busybox|*bin/rsync) continue esac file=$KISS_ROOT/$file # Remove files. if [ -f "$file" ] && [ ! -L "$file" ]; then rm -f "$file" # Remove file symlinks. elif [ -L "$file" ] && [ ! -d "$file" ]; then unlink "$file" ||: # Skip directory symlinks. elif [ -L "$file" ] && [ -d "$file" ]; then : # Remove directories if empty. elif [ -d "$file" ]; then rmdir "$file" 2>/dev/null ||: fi done ||: } # Install the package again to fix any non-leftover files being # removed above. pkg_rsync -v ||: pkg_rsync -v ||: # Reset 'trap' to its original value. Installation is done so # we no longer need to block 'Ctrl+C'. trap pkg_clean EXIT INT if [ -x "$sys_db/$pkg_name/post-install" ]; then log "$pkg_name" "Running post-install script" "$sys_db/$pkg_name/post-install" ||: fi log "$pkg_name" "Installed successfully" } pkg_updates() { # Check all installed packages for updates. So long as the installed # version and the version in the repositories differ, it's considered # an update. log "Updating repositories" # Create a list of all repositories. # See [1] at top of script. # shellcheck disable=2046,2086 { IFS=:; set -- $KISS_PATH; IFS=$old_ifs; } # Update each repository in '$KISS_PATH'. It is assumed that # each repository is 'git' tracked. for repo; do cd "$repo" # Go to the root of the repository (if it exists). cd "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null ||: [ -d .git ] || { log "$repo" "Not a git repository, skipping" continue } [ "$(git remote 2>/dev/null)" ] || { log "$repo" "No remote, skipping" continue } contains "$repos" "$PWD" || { repos="$repos $PWD " log "$PWD" "Updating repository" if [ -w "$PWD" ]; then git pull else log "$PWD" "Need root to update" sudo git pull fi } done log "Checking for new package versions" # Enable globbing. set +f for pkg in "$sys_db/"*; do pkg_name=${pkg##*/} # Read version and release information from the installed packages # and repository. read -r db_ver db_rel < "$pkg/version" read -r re_ver re_rel < "$(pkg_find "$pkg_name")/version" # Compare installed packages to repository packages. [ "$db_ver-$db_rel" != "$re_ver-$re_rel" ] && { printf '%s\n' "$pkg_name $db_ver-$db_rel ==> $re_ver-$re_rel" outdated="$outdated$pkg_name " } done # If the package manager has an update, handle it first. contains "$outdated" kiss && { log "Detected package manager update" log "The package manager will be updated first" prompt || exit pkg_build kiss args i kiss log "Updated the package manager" log "Re-run 'kiss update' to update your system" exit 0 } # Disable globbing. set -f # End here if no packages have an update. [ "$outdated" ] || { log "Everything is up to date" return } log "Packages to update: ${outdated% }" # Tell 'pkg_build' to always prompt before build. pkg_update=1 # Build all packages requiring an update. # See [1] at top of script. # shellcheck disable=2046,2086 pkg_build $outdated log "Updated all packages" } pkg_clean() { # Clean up on exit or error. This removes everything related # to the build. [ "$KISS_DEBUG" != 1 ] || return # Block 'Ctrl+C' while cache is being cleaned. trap '' INT # Remove temporary items. rm -rf -- "$mak_dir" "$pkg_dir" "$tar_dir" "$cac_dir/$pid-m" } args() { # Parse script arguments manually. POSIX 'sh' has no 'getopts' # or equivalent built in. This is rather easy to do in our case # since the first argument is always an "action" and the arguments # that follow are all package names. action=$1 # 'dash' exits on error here if 'shift' is used and there are zero # arguments despite trapping the error ('|| :'). shift "$(($# > 0 ? 1 : 0))" # Parse some arguments earlier to remove the need to duplicate code. case $action in c|checksum|s|search) [ "$1" ] || die "'kiss $action' requires an argument" ;; i|install|r|remove) [ "$1" ] || die "'kiss $action' requires an argument" # Rerun the script with 'sudo' if the user isn't root. # Cheeky but 'sudo' can't be used on shell functions themselves. [ "$(id -u)" = 0 ] || { sudo -E KISS_FORCE="$KISS_FORCE" kiss "$action" "$@" return } ;; esac # Actions can be abbreviated to their first letter. This saves # keystrokes once you memorize the commands. case $action in b|build) # If no arguments were passed, rebuild all packages. [ "$1" ] || { cd "$sys_db" || die "Failed to find package db" # Use a glob after 'cd' to generate a list of all installed # packages based on directory names. set +f; set -f -- * # Undo the above 'cd' to ensure we stay in the same location. cd - >/dev/null } pkg_build "$@" ;; c|checksum) for pkg; do pkg_lint "$pkg"; done for pkg; do pkg_sources "$pkg"; done for pkg; do pkg_checksums "$pkg" > "$(pkg_find "$pkg")/checksums" log "$pkg" "Generated checksums" done ;; i|install) # Create a list of each package's dependencies. for pkg; do case $pkg in *.tar.gz) deps="$deps $pkg " ;; *) pkg_depends "$pkg" install esac done # Filter the list, only installing explicit packages. # The purpose of these two loops is to order the # argument list based on dependence. for pkg in $deps; do ! contains "$*" "$pkg" || pkg_install "$pkg" done ;; r|remove) log "Removing packages" # Create a list of each package's dependencies. for pkg; do pkg_depends "$pkg" remove; done # Reverse the list of dependencies filtering out anything # not explicitly set for removal. for pkg in $deps; do contains "$*" "$pkg" && remove_pkgs="$pkg $remove_pkgs" done for pkg in $remove_pkgs; do pkg_list "$pkg" >/dev/null || die "$pkg" "Not installed" pkg_remove "$pkg" "${KISS_FORCE:-check}" done ;; l|list) pkg_list "$@" ;; u|update) pkg_updates ;; s|search) for pkg; do pkg_find "$pkg"; done ;; v|version|-v|--version) log kiss 0.30.2 ;; h|help|-h|--help|'') log 'kiss [b|c|i|l|r|s|u] [pkg] [pkg] [pkg]' log 'build: Build a package' log 'checksum: Generate checksums' log 'install: Install a package' log 'list: List installed packages' log 'remove: Remove a package' log 'search: Search for a package' log 'update: Check for updates' ;; *) die "'kiss $action' is not a valid command" ;; esac } main() { # Set the location to the repository and package database. pkg_db=var/db/kiss/installed # The PID of the current shell process is used to isolate directories # to each specific KISS instance. This allows multiple package manager # instances to be run at once. Store the value in another variable so # that it doesn't change beneath us. pid=${KISS_PID:-$$} # Store the original value of IFS so we can revert back to it if the # variable is ever changed. old_ifs=$IFS # Catch errors and ensure that build files and directories are cleaned # up before we die. This occurs on 'Ctrl+C' as well as success and error. trap pkg_clean EXIT INT # This allows for automatic setup of a KISS chroot and will # do nothing on a normal system. mkdir -p "${sys_db:=$KISS_ROOT/$pkg_db}" 2>/dev/null ||: # Create the required temporary directories and set the variables # which point to them. mkdir -p "${cac_dir:=$KISS_ROOT${XDG_CACHE_HOME:-$HOME/.cache}/kiss}" \ "${mak_dir:=$cac_dir/build-$pid}" \ "${pkg_dir:=$cac_dir/pkg-$pid}" \ "${tar_dir:=$cac_dir/extract-$pid}" \ "${src_dir:=$cac_dir/sources}" \ "${bin_dir:=$cac_dir/bin}" \ || die "Couldn't create cache directories" args "$@" } main "$@"