From 3bbb028b00fafc5c0d5e47c96e21a61ef5e842ac Mon Sep 17 00:00:00 2001
From: merakor <cem@ckyln.com>
Date: Fri, 24 Jul 2020 14:11:03 +0000
Subject: tools: move to src
FossilOrigin-Name: e320e235b6dd6b0d4b0d04df12c1c5e481c524412d286dc6375b6cd4231eed8b
---
src/cpt-lib | 1526 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 1526 insertions(+)
create mode 100644 src/cpt-lib
(limited to 'src/cpt-lib')
diff --git a/src/cpt-lib b/src/cpt-lib
new file mode 100644
index 0000000..c72f7f9
--- /dev/null
+++ b/src/cpt-lib
@@ -0,0 +1,1526 @@
+#!/bin/sh -ef
+# shellcheck source=/dev/null
+#
+# This is a simple package manager written in POSIX 'sh' for use
+# in KISS Linux (https://k1ss.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.
+
+version() {
+ log "Carbs Packaging Tools" 3.0.0
+ exit 0
+}
+
+out() {
+ # Print a message as is.
+ printf '%s\n' "$@"
+}
+
+log() {
+ # Print a message prettily.
+ #
+ # All messages are printed to stderr to allow the user to hide build
+ # output which is the only thing printed to stdout.
+ #
+ # '\033[1;32m' Set text to color '2' and make it bold.
+ # '\033[m': Reset text formatting.
+ # '${3:-->}': If the 3rd argument is missing, set prefix to '->'.
+ # '${2:+\033[1;3Xm}': If the 2nd argument exists, set text style of '$1'.
+ printf '\033[1;33m%s \033[m%b%s\033[m %s\n' \
+ "${3:-->}" "${2:+"\033[1;36m"}" "$1" "$2" >&2
+}
+
+die() {
+ # Print a message and exit with '1' (error).
+ log "$1" "$2" "!>"
+ exit 1
+}
+
+warn() {
+ # Print a warning message
+ log "WARN" "$1" "${2:-!>}"
+}
+
+contains() {
+ # Check if a "string list" contains a word.
+ case " $1 " in *" $2 "*) return 0; esac; return 1
+}
+
+regesc() {
+ # Escape special regular expression characters as
+ # defined in POSIX BRE. '$.*[\^'
+ printf '%s\n' "$1" | sed 's|\\|\\\\|g;s|\[|\\[|g;s|\$|\\$|g;s|\.|\\.|g;s|\*|\\*|g;s|\^|\\^|g'
+}
+
+
+prompt() {
+ # If a CPT_NOPROMPT variable is set, continue.
+ # This can be useful for installation scripts and
+ # bootstrapping.
+ [ "$CPT_PROMPT" = 0 ] && return 0
+
+ # Ask the user for some input.
+ [ "$1" ] && log "$1"
+ log "Continue?: Press Enter to continue or Ctrl+C to abort here"
+
+ # POSIX 'read' has none of the "nice" options like '-n', '-p'
+ # etc etc. This is the most basic usage of 'read'.
+ # '_' is used as 'dash' errors when no variable is given to 'read'.
+ read -r _ || return 1
+}
+
+as_root() {
+ # Simple function to run a command as root using either 'sudo',
+ # 'doas' or 'su'. Hurrah for choice.
+ [ "$uid" = 0 ] || log "Using '${su:-su}' (to become ${user:=root})"
+
+ case ${su##*/} in
+ sudo) sudo -E -u "$user" -- "$@" ;;
+ doas) doas -u "$user" -- "$@" ;;
+ su) su -pc "env USER=$user $* <&3" "$user" 3<&0 </dev/tty ;;
+ *) die "Invalid CPT_SU value: $su" ;;
+ esac
+}
+
+pop() {
+ # Remove an item from a "string list". This allows us
+ # to remove a 'sed' call and reuse this code throughout.
+ del=$1
+ shift 2
+
+ for i do [ "$i" = "$del" ] || printf %s " $i "; done
+}
+
+run_hook() {
+ # If a fourth parameter 'root' is specified, source
+ # the hook from a predefined location to avoid privilige
+ # escalation through user scripts.
+ [ "$4" ] && CPT_HOOK=$CPT_ROOT/etc/cpt-hook
+
+ # This is not a misspelling, can be ignored safely.
+ # shellcheck disable=2153
+ [ -f "$CPT_HOOK" ] || return 0
+
+ log "$2" "Running $1 hook"
+
+ TYPE=${1:-null} PKG=${2:-null} DEST=${3:-null} . "$CPT_HOOK"
+}
+
+decompress() {
+ case $1 in
+ *.tar) cat ;;
+ *.bz2) bzip2 -cd ;;
+ *.xz|*.txz) xz -dcT 0 ;;
+ *.tgz|*.gz) gzip -cd ;;
+ *.zst) zstd -cd ;;
+ esac < "$1"
+}
+
+sh256() {
+ # This is a sha256sum function for outputting a standard
+ # hash digest. sha256 on BSD systems require an '-r' flag
+ # for outputting the same way with sha256sum, and still,
+ # it outputs a single space between the hash and the file
+ # whereas sha256sum outputs double spaces. It fallbacks to
+ # openssl, but that is rarely ever needed.
+ { sha256sum "$1" 2>/dev/null ||
+ sha256 -r "$1" 2>/dev/null ||
+ openssl dgst -r -sha256 "$1" ||
+ die "No sha256 program could be run." ;} |
+
+ while read -r hash _; do printf '%s %s\n' "$hash" "$1"; done
+}
+
+pkg_isbuilt() (
+ # Check if a package is built or not.
+ repo_dir=$(pkg_find "$1")
+ read -r ver rel < "$repo_dir/version"
+
+ set +f
+ for tarball in "$bin_dir/$1#$ver-$rel.tar."*; do
+ [ -f "$tarball" ] && return 0
+ done
+ return 1
+)
+
+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 "$1" "Version file not found or empty"
+
+ read -r _ release 2>/dev/null < version || die "Version file not found"
+ [ "$release" ] || die "Release field not found in version file"
+
+ [ "$2" ] || [ -f checksums ] || die "$pkg" "Checksums are missing"
+}
+
+pkg_find() {
+ # Use a SEARCH_PATH variable so that we can get the sys_db into
+ # the same variable as CPT_PATH. This makes it easier when we are
+ # searching for executables instead of CPT_PATH.
+ : "${SEARCH_PATH:=$CPT_PATH:$sys_db}"
+
+ # Figure out which repository a package belongs to by
+ # searching for directories matching the package name
+ # in $CPT_PATH/*.
+ query=$1 match=$2 type=$3 IFS=:; set --
+
+ # Word splitting is intentional here.
+ # shellcheck disable=2086
+ for path in $SEARCH_PATH ; do
+ set +f
+
+ for path2 in "$path/"$query; do
+ test "${type:--d}" "$path2" && set -f -- "$@" "$path2"
+ done
+ done
+
+ unset IFS
+
+ # 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.
+ [ "$1" ] || die "Package '$query' not in any repository"
+
+ # Show all search results if called from 'cpt search', else
+ # print only the first match.
+ [ "$match" ] && printf '%s\n' "$@" || printf '%s\n' "$1"
+}
+
+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 "$pkg" ] || { log "$pkg" "not installed"; return 1; }
+
+ read -r version 2>/dev/null < "$pkg/version" || version=null
+ printf '%s\n' "$pkg $version"
+ done
+}
+
+pkg_cache() {
+ read -r version release 2>/dev/null < "$(pkg_find "$1")/version"
+
+ set +f; set -f -- "$bin_dir/$1#$version-$release.tar."*
+ tar_file=$1
+
+ [ -f "$tar_file" ]
+}
+
+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 "$1")
+
+ while read -r src dest || [ "$src" ]; do
+ # Comment.
+ if [ -z "${src##\#*}" ]; then :
+
+ # Remote source (cached).
+ elif [ -f "${src##*/}" ]; then
+ log "$1" "Found cached source '${src##*/}'"
+
+ # Remote git repository.
+ elif [ -z "${src##git+*}" ]; then
+ # This is a checksums check, skip it.
+ [ "$2" ] && continue
+
+ # Since git is an optional dependency, make sure
+ # it is available on the system.
+ command -v git >/dev/null ||
+ die "git must be installed in order to acquire ${src##git+}"
+
+ mkdir -p "$mak_dir/$1/$dest"
+
+ # Run in a subshell to keep the variables, path and
+ # argument list local to each loop iteration.
+ (
+ repo_src=${src##git+}
+
+ log "$1" "Cloning ${repo_src%[@#]*}"
+
+ # Git has no option to clone a repository to a
+ # specific location so we must do it ourselves
+ # beforehand.
+ cd "$mak_dir/$1/$dest" 2>/dev/null || die
+
+ # Clear the argument list as we'll be overwriting
+ # it below based on what kind of checkout we're
+ # dealing with.
+ set -- "$repo_src"
+
+ # If a branch was given, shallow clone it directly.
+ # This speeds things up as we don't have to grab
+ # a lot of unneeded commits.
+ [ "${src##*@*}" ] ||
+ set -- -b "${src##*@}" "${repo_src%@*}"
+
+ # Maintain compatibility with older versions of
+ # cpt by shallow cloning all branches. This has
+ # the added benefit of allowing checkouts of
+ # specific commits in specific branches.
+ [ "${src##*#*}" ] ||
+ set -- --no-single-branch "${repo_src%#*}"
+
+ # Always do a shallow clone as we will unshallow it if
+ # needed later (when a commit is desired).
+ git clone --depth=1 "$@" .
+
+ ) || die "$1" "Failed to clone $src"
+
+ # Remote source.
+ elif [ -z "${src##*://*}" ]; then
+ log "$1" "Downloading $src"
+
+ curl "$src" -fLo "${src##*/}" || {
+ rm -f "${src##*/}"
+ die "$1" "Failed to download $src"
+ }
+
+ # Local source.
+ elif [ -f "$repo_dir/$src" ]; then
+ log "$1" "Found local file '$src'"
+
+ else
+ die "$1" "No local file '$src'"
+ fi
+ 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 "$1")
+
+ while read -r src dest || [ "$src" ]; do
+ mkdir -p "$mak_dir/$1/$dest" && cd "$mak_dir/$1/$dest"
+
+ case $src in
+ # Git repository with supplied commit hash.
+ git+*\#*)
+ log "Checking out ${src##*#}"
+
+ # A commit was requested, unshallow the repository.
+ # This will convert it to a regular repository with
+ # full history.
+ git fetch --unshallow
+
+ # Try to checkout the repository. If we fail here,
+ # the requested commit doesn't exist.
+ git -c advice.detachedHead=false checkout "${src##*#}" ||
+ die "Commit hash ${src##*#} doesn't exist"
+ ;;
+
+ # Git repository, comment or blank line.
+ git+*|\#*|'') continue ;;
+
+ # Only 'tar' an 'zip' archives are currently supported for
+ # extraction. Other filetypes are simply copied to '$mak_dir'
+ # which allows for manual extraction.
+ *://*.tar|*://*.tar.??|*://*.tar.???|*://*.tar.????|*://*.tgz|*://*.txz)
+
+ decompress "$src_dir/$1/${src##*/}" > .ktar
+
+ "$tar" xf .ktar || die "$1" "Couldn't extract ${src##*/}"
+
+ # We now list the contents of the tarball so we can do our
+ # version of 'strip-components'.
+ "$tar" tf .ktar |
+ while read -r file; do printf '%s\n' "${file%%/*}"; done |
+
+ # Do not repeat files.
+ uniq |
+
+ # For every directory in the base we move each file
+ # inside it to the upper directory.
+ while read -r dir ; do
+
+ # Skip if we are not dealing with a directory here.
+ # This way we don't remove files on the upper directory
+ # if a tar archive doesn't need directory stripping.
+ [ -d "${dir#.}" ] || continue
+
+ # Change into the directory in a subshell so we don't
+ # need to cd back to the upper directory.
+ (
+ cd "$dir"
+
+ # We use find because we want to move hidden files
+ # as well.
+ #
+ # Skip the file if it has the same name as the directory.
+ # We will deal with it later.
+ #
+ # Word splitting is intentional here.
+ # shellcheck disable=2046
+ find . \( ! -name . -prune \) ! -name "$dir" \
+ -exec mv -f {} .. \;
+
+ # If a file/directory with the same name as the directory
+ # exists, append a '.cptbak' to it and move it to the
+ # upper directory.
+ ! [ -e "$dir" ] || mv "$dir" "../${dir}.cptbak"
+ )
+ rmdir "$dir"
+
+ # If a backup file exists, move it into the original location.
+ ! [ -e "${dir}.cptbak" ] || mv "${dir}.cptbak" "$dir"
+ done
+
+ # Clean up the temporary tarball.
+ rm -f .ktar
+ ;;
+
+ *://*.zip)
+ unzip "$src_dir/$1/${src##*/}" ||
+ 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.
+ # 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 "$1" >/dev/null) && return
+
+ # Recurse through the dependencies of the child packages.
+ while read -r dep _ || [ "$dep" ]; do
+ [ "${dep##\#*}" ] && pkg_depends "$dep"
+ done 2>/dev/null < "$(pkg_find "$1")/depends" ||:
+
+ # After child dependencies are added to the list,
+ # add the package which depends on them.
+ [ "$2" = explicit ] || deps="$deps $1 "
+ }
+}
+
+pkg_order() {
+ # Order a list of packages based on dependence and
+ # take into account pre-built tarballs if this is
+ # to be called from 'cpt i'.
+ order=; redro=; deps=
+
+ for pkg do case $pkg in
+ *.tar.*) deps="$deps $pkg " ;;
+ *) pkg_depends "$pkg" raw
+ esac done
+
+ # Filter the list, only keeping explicit packages.
+ # The purpose of these two loops is to order the
+ # argument list based on dependence.
+ for pkg in $deps; do ! contains "$*" "$pkg" || {
+ order="$order $pkg "
+ redro=" $pkg $redro"
+ } done
+
+ deps=
+}
+
+pkg_strip() {
+ # Strip package binaries and libraries. This saves space on the
+ # system as well as on the tarballs we ship for installation.
+
+ # Package has stripping disabled, stop here.
+ [ -f "$mak_dir/$pkg/nostrip" ] && return
+
+ log "$1" "Stripping binaries and libraries"
+
+ find "$pkg_dir/$1" -type f | while read -r file; do
+ case $(od -A o -t c -N 18 "$file") in
+ # REL (object files (.o), static libraries (.a)).
+ *177*E*L*F*0000020\ 001\ *|*\!*\<*a*r*c*h*\>*)
+ strip -g -R .comment -R .note "$file"
+ ;;
+
+ # EXEC (static binaries).
+ # DYN (shared libraries, dynamic binaries).
+ # Shared libraries keep global symbols in a separate ELF section
+ # called '.dynsym'. '--strip-all/-s' does not touch the dynamic
+ # symbol entries which makes this safe to do.
+ *177*E*L*F*0000020\ 00[23]\ *)
+ strip -s -R .comment -R .note "$file"
+ ;;
+ esac
+ done 2>/dev/null ||:
+}
+
+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/$1"
+
+ # Make a copy of the depends file if it exists to have a
+ # reference to 'diff' against.
+ if [ -f depends ]; then
+ cp -f depends "$mak_dir/d"
+ dep_file=$mak_dir/d
+ else
+ dep_file=/dev/null
+ fi
+
+ # Generate a list of all installed manifests.
+ pkg_name=$1
+ set +f; set -f -- "$sys_db/"*/manifest
+
+ # 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 "$pkg_dir/$pkg_name/" -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, and
+ # canonicalize the path.
+ dep=${dep#* => }
+ dep=${dep% *}
+ dep=$(cpt-readlink "$dep")
+
+ # Figure out which package owns the file.
+ own=$("$grep" -lFx "${dep#$CPT_ROOT}" "$@")
+
+ # If the package wasn't found, retry by removing
+ # the '/usr' prefix.
+ if [ -z "$own" ] && [ -z "${dep##$CPT_ROOT/usr*}" ]; then
+ own=$("$grep" -lFx "${dep#$CPT_ROOT/usr}" "$@")
+ dep=${dep#/usr}
+ fi
+
+ # Extract package name from 'grep' match.
+ own=${own%/*}
+ own=${own##*/}
+
+ case $own in "$pkg_name"|"$pkg_name-bin"|"") continue ; esac
+ printf 'Found %s (%s) in (%s)\n' "$own" "$dep" \
+ "${file##$pkg_dir/$pkg_name}" >/dev/tty
+
+ printf '%s\n' "$own"
+ done ||:
+ done >> depends
+
+ # Remove duplicate entries from the new depends file.
+ # This removes duplicate lines looking *only* at the
+ # first column.
+ sort -uk1,1 -o depends depends 2>/dev/null ||:
+
+ # Display a diff of the new dependencies against the old ones.
+ diff -U 3 "$dep_file" depends 2>/dev/null ||:
+
+ # Remove the depends file if it is empty.
+ [ -s depends ] || rm -f depends
+}
+
+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 "$1" "Generating manifest"
+
+ # This function runs as a sub-shell to avoid having to 'cd' back to the
+ # prior directory before being able to continue.
+ cd "${2:-$pkg_dir}/$1"
+
+ # find: Print all files and directories and append '/' to directories.
+ # sort: Sort the output in *reverse*. Directories appear *after* their
+ # contents.
+ # sed: Remove the first character in each line (./dir -> /dir) and
+ # remove all lines which only contain '.'.
+ find . -type d -exec printf '%s/\n' {} + -o -print |
+ sort -r | sed '/^\.\/$/d;ss.ss' > "${2:-$pkg_dir}/$1/$pkg_db/$1/manifest"
+)
+
+pkg_etcsums() (
+ # This function runs as a sub-shell to avoid having to 'cd' back to the
+ # prior directory before being able to continue.
+ cd "$pkg_dir/$1/etc" 2>/dev/null || return 0; cd ..
+
+ # Generate checksums for each configuration file in the package's
+ # /etc/ directory for use in "smart" handling of these files.
+ log "$1" "Generating etcsums"
+
+
+ find etc -type f | while read -r file; do
+ sh256 "$file"
+ done > "$pkg_dir/$1/$pkg_db/$1/etcsums"
+)
+
+pkg_tar() {
+ # Create a tarball from the built package's files.
+ # This tarball also contains the package's database entry.
+ log "$1" "Creating tarball"
+
+ # Read the version information to name the package.
+ read -r version release < "$(pkg_find "$1")/version"
+
+ # Create a tarball from the contents of the built package.
+ "$tar" cf - -C "$pkg_dir/$1" . |
+ case $CPT_COMPRESS in
+ bz2) bzip2 -z ;;
+ xz) xz -zT 0 ;;
+ gz) gzip -6 ;;
+ zst) zstd -3 ;;
+ *) gzip -6 ;; # Fallback to gzip
+ esac \
+ > "$bin_dir/$1#$version-$release.tar.$CPT_COMPRESS"
+
+ log "$1" "Successfully created tarball"
+
+ run_hook post-package "$1" "$bin_dir/$1#$version-$release.tar.$CPT_COMPRESS"
+}
+
+pkg_build() {
+ # Build packages and turn them into packaged tarballs. 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 $pkg "
+ } done
+
+ [ "$pkg_update" ] || explicit_build=$explicit
+
+ # If an explicit package is a dependency of another explicit
+ # package, remove it from the explicit list as it needs to be
+ # installed as a dependency.
+ # shellcheck disable=2086
+ for pkg do
+ contains "$deps" "$pkg" && explicit=$(pop "$pkg" from $explicit)
+ 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 0 ;}
+
+ log "Checking for pre-built dependencies"
+
+ for pkg do pkg_lint "$pkg"; done
+
+ # Install any pre-built dependencies if they exist in the binary
+ # directory and are up to date.
+ for pkg do ! contains "$explicit_build" "$pkg" && pkg_cache "$pkg" && {
+ log "$pkg" "Found pre-built binary, installing"
+ (CPT_FORCE=1 cpt-install "$tar_file")
+
+ # Remove the now installed package from the build list.
+ # See [1] at top of script.
+ # shellcheck disable=2046,2086
+ set -- $(pop "$pkg" from "$@")
+ } done
+
+ for pkg do pkg_sources "$pkg"; done
+
+ pkg_verify "$@"
+
+ # Finally build and create tarballs for all passed packages and
+ # dependencies.
+ for pkg do
+ log "$pkg" "Building package ($((in = in + 1))/$#)"
+
+ pkg_extract "$pkg"
+ repo_dir=$(pkg_find "$pkg")
+
+ read -r build_version _ < "$repo_dir/version"
+
+ # 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/$pkg"
+
+ log "$pkg" "Starting build"
+
+ run_hook pre-build "$pkg" "$pkg_dir/$pkg"
+
+ # Call the build script, log the output to the terminal
+ # and to a file. There's no PIPEFAIL in POSIX shelll so
+ # we must resort to tricks like killing the script ourselves.
+ { "$repo_dir/build" "$pkg_dir/$pkg" "$build_version" "$sys_arch" 2>&1 || {
+ log "$pkg" "Build failed"
+ log "$pkg" "Log stored to $log_dir/$pkg-$time-$pid"
+ run_hook build-fail "$pkg" "$pkg_dir/$pkg"
+ pkg_clean
+ kill 0
+ } } | tee "$log_dir/$pkg-$time-$pid"
+
+ # Delete the log file if the build succeeded to prevent
+ # the directory from filling very quickly with useless logs.
+ [ "$CPT_KEEPLOG" = 1 ] || rm -f "$log_dir/$pkg-$time-$pid"
+
+ # Copy the repository files to the package directory.
+ # This acts as the database entry.
+ cp -LRf "$repo_dir" "$pkg_dir/$pkg/$pkg_db/"
+
+ # We never ever want this. Let's end the endless conflicts
+ # and remove it. This will be the only exception for a
+ # specific removal of this kind.
+ find "$pkg_dir/$pkg" -name charset.alias -exec rm -f {} +
+
+ log "$pkg" "Successfully built package"
+
+ run_hook post-build "$pkg" "$pkg_dir/$pkg"
+
+ # Create the manifest file early and make it empty.
+ # This ensures that the manifest is added to the manifest.
+ : > "$pkg_dir/$pkg/$pkg_db/$pkg/manifest"
+
+ # If the package contains '/etc', add a file called
+ # 'etcsums' to the manifest. See comment directly above.
+ [ -d "$pkg_dir/$pkg/etc" ] &&
+ : > "$pkg_dir/$pkg/$pkg_db/$pkg/etcsums"
+
+ pkg_strip "$pkg"
+ pkg_fixdeps "$pkg"
+ pkg_manifest "$pkg"
+ pkg_etcsums "$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 "$pkg" "Needed as a dependency or has an update, installing"
+
+ (CPT_FORCE=1 cpt-install "$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.
+ [ $# -gt 1 ] && prompt "Install built packages? [$*]" && {
+ cpt-install "$@"
+ return
+ }
+
+ log "Run 'cpt i $*' to install the package(s)"
+}
+
+pkg_checksums() {
+ # Generate checksums for packages.
+ repo_dir=$(pkg_find "$1")
+
+ while read -r src _ || [ "$src" ]; do
+ # Comment.
+ if [ -z "${src##\#*}" ]; then
+ continue
+
+ # File is local to the package.
+ elif [ -f "$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/$1
+
+ # File is a git repository.
+ elif [ -z "${src##git+*}" ]; then
+ printf 'git %s\n' "$src"
+ continue
+
+ # 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 "$src_path" && sh256 "${src##*/}") ||
+ die "$1" "Failed to generate checksums"
+ done < "$repo_dir/sources"
+}
+
+pkg_verify() {
+ # 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 "$pkg" | diff - "$(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
+
+ [ -z "$mismatch" ] || die "Checksum mismatch with: ${mismatch% }"
+}
+
+pkg_conflicts() {
+ # Check to see if a package conflicts with another.
+ log "$1" "Checking for package conflicts"
+
+ # Filter the tarball's manifest and select only files
+ # and any files they resolve to on the filesystem
+ # (/bin/ls -> /usr/bin/ls).
+ while read -r file; do
+ case $file in */) continue; esac
+
+ # Use $CPT_ROOT in filename so that we follow its symlinks.
+ file=$CPT_ROOT/${file#/}
+
+ # We will only follow the symlinks of the directories, so we
+ # reserve the directory name in this 'dirname' value. cpt-readlink
+ # functions in a similar fashion to 'readlink -f', it makes sure
+ # every component except for the first one to be available on
+ # the directory structure. If we cannot find it in the system,
+ # we don't need to make this much more complex by trying so
+ # hard to find it. Simply use the original directory name.
+ dirname="$(cpt-readlink "${file%/*}" 2>/dev/null)" ||
+ dirname="${file%/*}"
+
+
+ # Combine the dirname and file values, and print them into the
+ # temporary manifest to be parsed.
+ printf '%s/%s\n' "${dirname#$CPT_ROOT}" "${file##*/}"
+
+ done < "$tar_dir/$1/$pkg_db/$1/manifest" > "$CPT_TMPDIR/$pid-m"
+
+ p_name=$1
+
+ # Generate a list of all installed package manifests
+ # and remove the current package from the list.
+ # shellcheck disable=2046,2086
+ set -- $(set +f; pop "$sys_db/$p_name/manifest" from "$sys_db"/*/manifest)
+
+ [ -s "$CPT_TMPDIR/$pid-m" ] || return 0
+
+ # In rare cases where the system only has one package installed
+ # and you are reinstalling that package, grep will try to read from
+ # standard input if we continue here.
+ #
+ # Also, if we don't have any packages installed grep will give an
+ # error. This will not cause the installation to fail, but we don't
+ # need to check for conflicts if that's the case anyway. If we have
+ # only zero packages or one package, just stop wasting time and continue
+ # with the installation.
+ [ "$1" ] && [ -f "$1" ] || return 0
+
+ # Store the list of found conflicts in a file as we will be using the
+ # information multiple times. Storing it in the cache dir allows us
+ # to be lazy as they'll be automatically removed on script end.
+ "$grep" -Fxf "$CPT_TMPDIR/$pid-m" -- "$@" > "$CPT_TMPDIR/$pid-c" ||:
+
+
+ # Enable alternatives automatically if it is safe to do so.
+ # This checks to see that the package that is about to be installed
+ # doesn't overwrite anything it shouldn't in '/var/db/cpt/installed'.
+ "$grep" -q ":/var/db/cpt/installed/" "$CPT_TMPDIR/$pid-c" || choice_auto=1
+
+ # Use 'grep' to list matching lines between the to
+ # be installed package's manifest and the above filtered
+ # list.
+ if [ "$CPT_CHOICE" != 0 ] && [ "$choice_auto" = 1 ]; then
+
+ # This is a novel way of offering an "alternatives" system.
+ # It is entirely dynamic and all "choices" are created and
+ # destroyed on the fly.
+ #
+ # When a conflict is found between two packages, the file
+ # is moved to a directory called "choices" and its name
+ # changed to store its parent package and its intended
+ # location.
+ #
+ # The package's manifest is then updated to reflect this
+ # new location.
+ #
+ # The 'cpt choices' command parses this directory and
+ # offers you the CHOICE of *swapping* entries in this
+ # directory for those on the filesystem.
+ #
+ # The choices command does the same thing we do here,
+ # it rewrites manifests and moves files around to make
+ # this work.
+ #
+ # Pretty nifty huh?
+ while IFS=: read -r _ con; do
+ printf '%s\n' "Found conflict $con"
+
+ # Create the "choices" directory inside of the tarball.
+ # This directory will store the conflicting file.
+ mkdir -p "$tar_dir/$p_name/${cho_dir:=var/db/cpt/choices}"
+
+ # Construct the file name of the "db" entry of the
+ # conflicting file. (pkg_name>usr>bin>ls)
+ con_name=$(printf %s "$con" | sed 's|/|>|g')
+
+ # Move the conflicting file to the choices directory
+ # and name it according to the format above.
+ mv -f "$tar_dir/$p_name/$con" \
+ "$tar_dir/$p_name/$cho_dir/$p_name$con_name" 2>/dev/null || {
+ log "File must be in ${con%/*} and not a symlink to it"
+ log "This usually occurs when a binary is installed to"
+ log "/sbin instead of /usr/bin (example)"
+ log "Before this package can be used as an alternative,"
+ log "this must be fixed in $p_name. Contact the maintainer"
+ die "by checking 'git log' or by running 'cpt-maintainer'"
+ }
+ done < "$CPT_TMPDIR/$pid-c"
+
+ # Rewrite the package's manifest to update its location
+ # to its new spot (and name) in the choices directory.
+ pkg_manifest "$p_name" "$tar_dir" 2>/dev/null
+
+ elif [ -s "$CPT_TMPDIR/$pid-c" ]; then
+ log "Package '$p_name' conflicts with another package" "" "!>"
+ log "Run 'CPT_CHOICE=1 cpt i $p_name' to add conflicts" "" "!>"
+ die "as alternatives."
+ fi
+}
+
+pkg_swap() {
+ # Swap between package alternatives.
+ pkg_list "$1" >/dev/null
+
+ alt=$(printf %s "$1$2" | sed 's|/|>|g')
+ cd "$sys_db/../choices"
+
+ [ -f "$alt" ] || [ -h "$alt" ] ||
+ die "Alternative '$1 $2' doesn't exist"
+
+ if [ -f "$2" ]; then
+ # Figure out which package owns the file we are going to swap for
+ # another package's.
+ #
+ # Print the full path to the manifest file which contains
+ # the match to our search.
+ pkg_owns=$(set +f; "$grep" -lFx "$2" "$sys_db/"*/manifest) ||:
+
+ # Extract the package name from the path above.
+ pkg_owns=${pkg_owns%/*}
+ pkg_owns=${pkg_owns##*/}
+
+ [ "$pkg_owns" ] ||
+ die "File '$2' exists on filesystem but isn't owned"
+
+ log "Swapping '$2' from '$pkg_owns' to '$1'"
+
+ # Convert the current owner to an alternative and rewrite
+ # its manifest file to reflect this. We then resort this file
+ # so no issues arise when removing packages.
+ cp -Pf "$CPT_ROOT/$2" "$pkg_owns>${alt#*>}"
+ sed "s#^$(regesc "$2")#${PWD#$CPT_ROOT}/$pkg_owns>${alt#*>}#" \
+ "../installed/$pkg_owns/manifest" |
+ sort -r -o "../installed/$pkg_owns/manifest"
+ fi
+
+ # Convert the desired alternative to a real file and rewrite
+ # the manifest file to reflect this. The reverse of above.
+ mv -f "$alt" "$CPT_ROOT/$2"
+ sed "s#^${PWD#$CPT_ROOT}/$(regesc "$alt")#$2#" "../installed/$1/manifest" |
+ sort -r -o "../installed/$1/manifest"
+}
+
+pkg_etc() {
+ [ -d "$tar_dir/$pkg_name/etc" ] || return 0
+
+ (cd "$tar_dir/$pkg_name"
+
+ # Create all directories beforehand.
+ find etc -type d | while read -r dir; do
+ mkdir -p "$CPT_ROOT/$dir"
+ done
+
+ # Handle files in /etc/ based on a 3-way checksum check.
+ find etc ! -type d | while read -r file; do
+ { sum_new=$(sh256 "$file")
+ sum_sys=$(cd "$CPT_ROOT/"; sh256 "$file")
+ sum_old=$("$grep" "$file$" "$mak_dir/c"); } 2>/dev/null ||:
+
+ log "$pkg_name" "Doing 3-way handshake for $file"
+ printf '%s\n' "Previous: ${sum_old:-null}"
+ printf '%s\n' "System: ${sum_sys:-null}"
+ printf '%s\n' "New: ${sum_new:-null}"
+
+ # Use a case statement to easily compare three strings at
+ # the same time. Pretty nifty.
+ case ${sum_old:-null}${sum_sys:-null}${sum_new} in
+ # old = Y, sys = X, new = Y
+ "${sum_new}${sum_sys}${sum_old}")
+ log "Skipping $file"
+ continue
+ ;;
+
+ # old = X, sys = X, new = X
+ # old = X, sys = Y, new = Y
+ # old = X, sys = X, new = Y
+ "${sum_old}${sum_old}${sum_old}"|\
+ "${sum_old:-null}${sum_sys}${sum_sys}"|\
+ "${sum_sys}${sum_old}"*)
+ log "Installing $file"
+ new=
+ ;;
+
+ # All other cases.
+ *)
+ warn "($pkg_name) saving /$file as /$file.new" "->"
+ new=.new
+ ;;
+ esac
+
+ cp -fPp "$file" "$CPT_ROOT/${file}${new}"
+ chown root:root "$CPT_ROOT/${file}${new}" 2>/dev/null
+ done) ||:
+}
+
+pkg_remove() {
+ # Remove a package and all of its files. The '/etc' directory
+ # is handled differently and configuration files are *not*
+ # overwritten.
+ pkg_list "$1" >/dev/null || return
+
+ # Make sure that nothing depends on this package.
+ [ "$CPT_FORCE" = 1 ] || {
+ log "$1" "Checking for reverse dependencies"
+
+ (cd "$sys_db"; set +f; grep -lFx "$1" -- */depends) &&
+ die "$1" "Can't remove package, others depend on it"
+ }
+ # Block being able to abort the script with 'Ctrl+C' during removal.
+ # Removes all risk of the user aborting a package removal leaving
+ # an incomplete package installed.
+ trap '' INT
+
+ if [ -x "$sys_db/$1/pre-remove" ]; then
+ log "$1" "Running pre-remove script"
+ "$sys_db/$1/pre-remove" ||:
+ fi
+
+ # Create a temporary list of all directories, so we don't accidentally
+ # remove anything from packages that create empty directories for a
+ # purpose (such as baselayout).
+ manifest_list="$(set +f; pop "$sys_db/$1/manifest" from "$sys_db/"*/manifest)"
+ # shellcheck disable=2086
+ [ "$manifest_list" ] && grep -h '/$' $manifest_list | sort -ur > "$mak_dir/dirs"
+
+ run_hook pre-remove "$1" "$sys_db/$1" root
+
+ while read -r file; do
+ # The file is in '/etc' skip it. This prevents the package
+ # manager from removing user edited configuration files.
+ [ "${file##/etc/*}" ] || continue
+
+ if [ -d "$CPT_ROOT/$file" ]; then
+ "$grep" -Fxq "$file" "$mak_dir/dirs" 2>/dev/null && continue
+ rmdir "$CPT_ROOT/$file" 2>/dev/null || continue
+ else
+ rm -f "$CPT_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
+
+ run_hook post-remove "$1" "$CPT_ROOT/" root
+
+ log "$1" "Removed successfully"
+}
+
+pkg_install() {
+ # Install a built package tarball.
+
+ # Install can also take the full path to a tarball.
+ # We don't need to check the repository if this is the case.
+ if [ -f "$1" ] && [ -z "${1%%*.tar*}" ] ; then
+ tar_file=$1
+ pkg_name=${1##*/}
+ pkg_name=${pkg_name%#*}
+
+ else
+ pkg_cache "$1" ||
+ die "package has not been built, run 'cpt b pkg'"
+
+ pkg_name=$1
+ fi
+
+ mkdir -p "$tar_dir/$pkg_name"
+ log "$pkg_name" "Extracting $tar_file"
+
+ # Extract the tarball to catch any errors before installation begins.
+ decompress "$tar_file" | "$tar" xf - -C "$tar_dir/$pkg_name"
+
+ [ -f "$tar_dir/$pkg_name/$pkg_db/$pkg_name/manifest" ] ||
+ die "'${tar_file##*/}' is not a valid CPT package"
+
+ # Ensure that the tarball's manifest is correct by checking that
+ # each file and directory inside of it actually exists.
+ [ "$CPT_FORCE" != 1 ] && log "$pkg_name" "Checking package manifest" &&
+ while read -r line; do
+ # Skip symbolic links
+ [ -h "$tar_dir/$pkg_name/$line" ] ||
+ [ -e "$tar_dir/$pkg_name/$line" ] || {
+ log "File $line missing from tarball but mentioned in manifest" "" "!>"
+ TARBALL_FAIL=1
+ }
+ done < "$tar_dir/$pkg_name/$pkg_db/$pkg_name/manifest"
+ [ "$TARBALL_FAIL" ] && {
+ log "You can still install this package by setting CPT_FORCE variable"
+ die "$pkg_name" "Missing files in manifest"
+ }
+
+ log "$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" ] &&
+ [ "$CPT_FORCE" != 1 ] &&
+ while read -r dep dep_type || [ "$dep" ]; 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 ${install_dep%, }"
+
+ run_hook pre-install "$pkg_name" "$tar_dir/$pkg_name" root
+
+ pkg_conflicts "$pkg_name"
+
+ log "$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 and etcsums files.
+ cp -f "$sys_db/$pkg_name/manifest" "$mak_dir/m" 2>/dev/null ||:
+ cp -f "$sys_db/$pkg_name/etcsums" "$mak_dir/c" 2>/dev/null ||:
+
+ # This is repeated multiple times. Better to make it a function.
+ pkg_rsync() {
+ rsync "--chown=$USER:$USER" --chmod=Du-s,Dg-s,Do-s \
+ -WhHKa --no-compress --exclude /etc "${1:---}" \
+ "$tar_dir/$pkg_name/" "$CPT_ROOT/"
+ }
+
+ # Install the package by using 'rsync' and overwrite any existing files
+ # (excluding '/etc/').
+ pkg_rsync --info=progress2
+ pkg_etc
+
+ # Remove any leftover files if this is an upgrade.
+ "$grep" -vFxf "$sys_db/$pkg_name/manifest" "$mak_dir/m" 2>/dev/null |
+
+ while read -r file; do
+ file=$CPT_ROOT/$file
+
+ # Skip deleting some leftover files.
+ case $file in /etc/*) continue; esac
+
+ # Remove files.
+ if [ -f "$file" ] && [ ! -L "$file" ]; then
+ rm -f "$file"
+
+ # Remove file symlinks.
+ elif [ -h "$file" ] && [ ! -d "$file" ]; then
+ unlink "$file" ||:
+
+ # Skip directory symlinks.
+ elif [ -h "$file" ] && [ -d "$file" ]; then :
+
+ # Remove directories if empty.
+ elif [ -d "$file" ]; then
+ rmdir "$file" 2>/dev/null ||:
+ fi
+ done ||:
+
+ log "$pkg_name" "Verifying installation"
+ { pkg_rsync; pkg_rsync; } ||:
+
+ # 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/$pkg_name/post-install" ||:
+ fi
+
+ run_hook post-install "$pkg_name" "$sys_db/$pkg_name" root
+
+ log "$pkg_name" "Installed successfully"
+}
+
+pkg_fetch() {
+ log "Updating repositories"
+
+ run_hook pre-fetch
+
+ # Create a list of all repositories.
+ # See [1] at top of script.
+ # shellcheck disable=2046,2086
+ { IFS=:; set -- $CPT_PATH; unset IFS; }
+
+ # Update each repository in '$CPT_PATH'. It is assumed that
+ # each repository is 'git' tracked.
+ for repo do
+ # Go to the root of the repository (if it exists).
+ cd "$repo"
+ cd "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null ||:
+
+ if [ -d .git ]; then
+
+ command -v git >/dev/null || {
+ log "$repo" " "
+ printf '%s\n' "Git is not installed, skipping."
+ continue
+ }
+
+ [ "$(git remote 2>/dev/null)" ] || {
+ log "$repo" " "
+ printf '%s\n' "No remote, skipping."
+ continue
+ }
+
+ contains "$repos" "$PWD" || {
+ repos="$repos $PWD "
+
+ # Display a tick if signing is enabled for this
+ # repository.
+ case $(git config merge.verifySignatures) in
+ true) log "$PWD" "[signed ✓] " ;;
+ *) log "$PWD" " " ;;
+ esac
+
+ if [ -w "$PWD" ] && [ "$uid" != 0 ]; then
+ git fetch
+ git merge
+ git submodule update --remote --init -f
+
+ else
+ [ "$uid" = 0 ] || log "$PWD" "Need root to update"
+
+ # Find out the owner of the repository and spawn
+ # git as this user below.
+ #
+ # This prevents 'git' from changing the original
+ # ownership of files and directories in the rare
+ # case that the repository is owned by a 3rd user.
+ (
+ user=$(cpt-stat "$PWD") || user=root
+ id -u "$user" >/dev/null 2>&1 || user=root
+
+ [ "$user" = root ] ||
+ log "Dropping permissions to $user for pull"
+
+ git_cmd="git fetch && git merge && git submodule update --remote --init -f"
+ case $su in *su) git_cmd="'$git_cmd'"; esac
+
+ # Spawn a subshell to run multiple commands as
+ # root at once. This makes things easier on users
+ # who aren't using persist/timestamps for auth
+ # caching.
+ user=$user as_root sh -c "$git_cmd"
+ )
+ fi
+ }
+ elif [ -f .rsync ]; then
+ read -r remote < .rsync
+ if [ -w "$PWD" ] && [ "$uid" != 0 ]; then
+ rsync -acvzzC --include=core --delete "$remote/" "$PWD"
+ else
+ [ "$uid" = 0 ] || log "$PWD" "Need root to update"
+
+ # Similar to the git update, we find the owner of
+ # the repository and spawn rsync as that user.
+ (
+ user=$(cpt-stat "$PWD") || user=root
+ id -u "$user" >/dev/null 2>&1 || user=root
+
+ [ "$user" = root ] ||
+ log "Dropping permissions to $user for pull"
+
+ user=$user as_root rsync -acvzzC --include=core --delete "$remote/" "$PWD"
+ )
+ fi
+ else
+ log "$repo" " "
+ printf '%s\n' "Not a remote repository, skipping."
+ fi
+ done
+
+ run_hook post-fetch
+}
+
+pkg_updates(){
+ # Check all installed packages for updates. So long as the installed
+ # version and the version in the repositories differ, it's considered
+ # an update.
+ [ "$CPT_FETCH" = 0 ] || pkg_fetch
+
+ log "Checking for new package versions"
+
+ 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
+
+ set -f
+
+ # If the download option is specified only download the outdated packages
+ # and exit.
+ [ "$download_only" = 1 ] && {
+ log "Only sources for the packages will be acquired"
+ prompt || exit 0
+
+ for pkg in $outdated; do
+ pkg_sources "$pkg"
+ done
+
+ exit 0
+ }
+
+ contains "$outdated" cpt && {
+ log "Detected package manager update"
+ log "The package manager will be updated first"
+
+ prompt || exit 0
+
+ pkg_build cpt
+ cpt-install cpt
+
+ log "Updated the package manager"
+ log "Re-run 'cpt update' to update your system"
+
+ exit 0
+ }
+
+ [ "$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_order $outdated
+ pkg_build $order
+ }
+
+ log "Updated all packages"
+}
+
+pkg_clean() {
+ # Clean up on exit or error. This removes everything related
+ # to the build.
+ [ "$CPT_DEBUG" != 1 ] || return
+
+ # Block 'Ctrl+C' while cache is being cleaned.
+ trap '' INT
+
+ # Remove temporary items.
+ rm -rf -- "$mak_dir" "$pkg_dir" "$tar_dir" \
+ "$CPT_TMPDIR/$pid-c" "$CPT_TMPDIR/$pid-m"
+}
+
+main() {
+ set -ef
+
+ # Die here if the user has no set CPT_PATH. This is a rare occurance
+ # as the environment variable should always be defined.
+ [ "$CPT_PATH" ] || die "\$CPT_PATH needs to be set"
+
+ # Set the location to the repository and package database.
+ pkg_db=var/db/cpt/installed
+
+ # The PID of the current shell process is used to isolate directories
+ # to each specific CPT 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=${CPT_PID:-$$}
+
+ # Force the C locale to speed up things like 'grep' which disable unicode
+ # etc when this is set. We don't need unicode and a speed up is always
+ # welcome.
+ export LC_ALL=C LANG=C
+
+ # 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
+
+ # Prefer GNU grep if installed as it is much much faster than busybox's
+ # implementation. Very much worth it if you value performance over
+ # POSIX correctness (grep quoted to avoid shellcheck false-positive).
+ grep=$(command -v ggrep) || grep='grep'
+
+ # Prefer libarchive tar or GNU tar if installed as they are much
+ # much faster than busybox's implementation. Very much worth it if
+ # you value performance.
+ tar=$(command -v bsdtar || command -v gtar) || tar=tar
+
+ # Figure out which 'sudo' command to use based on the user's choice or
+ # what is available on the system.
+ su=${CPT_SU:-$(command -v sudo || command -v doas)} || su=su
+
+ # Store the date and time of script invocation to be used as the name
+ # of the log files the package manager creates uring builds.
+ time=$(date '+%Y-%m-%d-%H:%M')
+
+ # Make note of the user's current ID to do root checks later on.
+ # This is used enough to warrant a place here.
+ uid=$(id -u)
+
+ # Make sure that the CPT_ROOT doesn't end with a '/'. This might
+ # break some operations.
+ [ -z "$CPT_ROOT" ] || [ "${CPT_ROOT##*/}" ] || {
+ warn "Your CPT_ROOT variable shouldn't end with '/'"
+ CPT_ROOT=${CPT_ROOT%/}
+ }
+
+ # Define an optional sys_arch variable in order to provide
+ # information to build files with architectural information.
+ sys_arch=$(uname -m 2>/dev/null) ||:
+
+ # Define this variable but don't create its directory structure from
+ # the get go. It will be created as needed by package installation.
+ sys_db=$CPT_ROOT/$pkg_db
+
+ # This allows for automatic setup of a CPT chroot and will
+ # do nothing on a normal system.
+ mkdir -p "$CPT_ROOT/" 2>/dev/null ||:
+
+ # Set a value for CPT_COMPRESS if it isn't set.
+ : "${CPT_COMPRESS:=gz}"
+
+ # A temporary directory can be specified apart from the cache
+ # directory in order to build in a user specified directory.
+ # /tmp could be used in order to build on ram, useful on SSDs.
+ # The user can specify CPT_TMPDIR for this.
+ #
+ # Create the required temporary directories and set the variables
+ # which point to them.
+ mkdir -p "${cac_dir:=${CPT_CACHE:=${XDG_CACHE_HOME:-$HOME/.cache}/cpt}}" \
+ "${CPT_TMPDIR:=$cac_dir}" \
+ "${mak_dir:=$CPT_TMPDIR/build-$pid}" \
+ "${pkg_dir:=$CPT_TMPDIR/pkg-$pid}" \
+ "${tar_dir:=$CPT_TMPDIR/extract-$pid}" \
+ "${src_dir:=$cac_dir/sources}" \
+ "${log_dir:=$cac_dir/logs}" \
+ "${bin_dir:=$cac_dir/bin}"
+
+ # Disable color escape sequences if running in a subshell.
+ # This behaviour can be changed by adding a CPT_COLOR
+ # variable to the environment. If it is set to 1 it will
+ # always enable color escapes, and if set to 0 it will
+ # always disable color escapes.
+ if [ "$CPT_COLOR" = 1 ]; then color=1
+ elif [ "$CPT_COLOR" = 0 ] || ! [ -t 1 ]; then
+ log() { printf '%s %s %s\n' "${3:-->}" "$1" "$2" >&2 ;}
+ else color=1
+ fi
+
+}
+
+main "$@"
--
cgit v1.2.3