lib.sh: introduce more top-down function order
a lot of init code was handled outside of any function. the coding style used in the rest of the build system has now been introduced, with xbmk_init being the main function. Signed-off-by: Leah Rowe <leah@libreboot.org>25.04_branch
Leah Rowe
parent
7dbd02fcd0
commit
cf961e00b7
304
include/lib.sh
304
include/lib.sh
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@ -22,15 +22,6 @@ rmodtool="elf/cbfstool/default/rmodtool"
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grubdata="config/data/grub"
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grubdata="config/data/grub"
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err="err_"
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err="err_"
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err_()
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{
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printf "ERROR %s: %s\n" "$0" "$1" 1>&2
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exit 1
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}
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x_() {
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[ $# -lt 1 ] || "$@" || $err "Unhandled error for: $(echo "$@")"; :
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}
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setvars()
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setvars()
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{
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{
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_setvars="" && [ $# -lt 2 ] && $err "setvars: too few arguments"
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_setvars="" && [ $# -lt 2 ] && $err "setvars: too few arguments"
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@ -39,6 +30,166 @@ setvars()
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done
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done
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printf "%s\n" "${_setvars% }"
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printf "%s\n" "${_setvars% }"
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}
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}
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err_()
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{
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printf "ERROR %s: %s\n" "$0" "$1" 1>&2
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exit 1
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}
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eval "`setvars "" _nogit board reinstall versiondate aur_notice configdir \
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datadir version xbmkpwd relname xbmkpwd xbmktmp python pyver`"
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xbmk_init()
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{
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xbmkpwd="`pwd`" || $err "Cannot generate PWD"
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export PWD="$xbmkpwd"
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if [ $# -gt 0 ] && [ "$1" = "dependencies" ]; then
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install_packages "$@" || exit 1
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exit 0
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fi
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id -u 1>/dev/null 2>/dev/null || $err "suid check failed (id -u)"
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[ "$(id -u)" != "0" ] || $err "this command as root is not permitted"
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for fv in version versiondate; do
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eval "[ ! -f \".$fv\" ] || read -r $fv < \".$fv\" || :"
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done
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for xbmk_cmd in x_python x_cache x_vars x_setver x_run_child; do
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$xbmk_cmd "$@"
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done
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}
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x_python()
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{
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pyv="import sys; print(sys.version_info[:])"
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python="python3"
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pybin python3 1>/dev/null || python="python"
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pyver="2" && [ "$python" = "python3" ] && pyver="3"
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pybin "$python" 1>/dev/null || pyver=""
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[ -z "$pyver" ] || "`pybin "$python"`" -c "$pyv" 1>/dev/null \
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2>/dev/null || $err "Cannot detect host Python version."
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if [ -n "$pyver" ]; then
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pyver="$("$(pybin "$python")" -c "$pyv" | awk '{print $1}')"
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pyver="${pyver#(}"
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pyver="${pyver%,}"
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fi
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[ "${pyver%%.*}" = "3" ] || $err "Bad python version (must by 3.x)"; :
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}
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# Use direct path, to prevent a hang if Python is using a virtual environment,
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# not command -v, to prevent a hang when checking python's version
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# See: https://docs.python.org/3/library/venv.html#how-venvs-work
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pybin()
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{
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py="import sys; quit(1) if sys.prefix == sys.base_prefix else quit(0)"
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venv=1
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command -v "$1" 1>/dev/null 2>/dev/null || venv=0
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[ $venv -lt 1 ] || "$1" -c "$py" 1>/dev/null 2>/dev/null || venv=0
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# ideally, don't rely on PATH or hardcoded paths if python venv.
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# use the *real*, direct executable linked to by the venv symlink
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if [ $venv -gt 0 ] && [ -L "`command -v "$1" 2>/dev/null`" ]; then
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# realpath isn't posix, but available mostly universally
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pypath="$(realpath \
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"$(command -v "$1" 2>/dev/null)" 2>/dev/null || :)"
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[ -e "$pypath" ] && [ ! -d "$pypath" ] && \
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[ -x "$pypath" ] && printf "%s\n" "$pypath" && return 0; :
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fi
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# if python venv: fall back to common PATH directories for checking
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[ $venv -gt 0 ] && for pypath in "/usr/local/bin" "/usr/bin"; do
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[ -e "$pypath/$1" ] && [ ! -d "$pypath/$1" ] && \
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[ -x "$pypath/$1" ] && printf "%s/%s\n" "$pypath" "$1" && \
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return 0
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done
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[ $venv -gt 0 ] && return 1
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# Defer to normal command -v if not a venv
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command -v "$1" 2>/dev/null || return 1
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}
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x_cache()
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{
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# XBMK_CACHE is a directory, for caching downloads and git repon
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[ -z "${XBMK_CACHE+x}" ] && export XBMK_CACHE="$xbmkpwd/cache"
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[ -z "$XBMK_CACHE" ] && export XBMK_CACHE="$xbmkpwd/cache"
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[ -L "$XBMK_CACHE" ] && [ "$XBMK_CACHE" = "$xbmkpwd/cache" ] && \
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$err "cachedir '$xbmkpwd/cache' is a symlink"
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[ -L "$XBMK_CACHE" ] && export XBMK_CACHE="$xbmkpwd/cache"
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[ -f "$XBMK_CACHE" ] && $err "cachedir '$XBMK_CACHE' is a file"; :
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}
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x_vars()
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{
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# if "y": a coreboot target won't be built if target.cfg says release="n"
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# (this is used to exclude certain build targets from releases)
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[ -z "${XBMK_RELEASE+x}" ] && export XBMK_RELEASE="n"
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[ "$XBMK_RELEASE" = "y" ] || export XBMK_RELEASE="n"
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[ -z "${XBMK_THREADS+x}" ] && export XBMK_THREADS=1
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expr "X$XBMK_THREADS" : "X-\{0,1\}[0123456789][0123456789]*$" \
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1>/dev/null 2>/dev/null || export XBMK_THREADS=1
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[ -e ".git" ] || [ -f ".version" ] || printf "unknown\n" > .version \
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|| $err "Cannot generate unknown .version file"
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[ -e ".git" ] || [ -f ".versiondate" ] || printf "1716415872\n" > \
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.versiondate || $err "Cannot generate unknown .versiondate file"
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}
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x_setver()
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{
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version_="$version"
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[ ! -e ".git" ] || version="$(git describe --tags HEAD 2>&1)" || \
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version="git-$(git rev-parse HEAD 2>&1)" || version="$version_"
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versiondate_="$versiondate"
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[ ! -e ".git" ] || versiondate="$(git show --no-patch --no-notes \
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--pretty='%ct' HEAD)" || versiondate="$versiondate_"
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chkvars version versiondate
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printf "%s\n" "$version" > .version || $err "can't save version"
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printf "%s\n" "$versiondate" > .versiondate || $err "can't save date"
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relname="$projectname-$version"
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export LOCALVERSION="-$projectname-${version%%-*}"
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}
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# if this instance is the main parent, re-run as a child process and exit.
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x_run_child()
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{
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# unify all temporary files/directories in a single TMPDIR
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[ -z "${TMPDIR+x}" ] || [ "${TMPDIR%_*}" = "/tmp/xbmk" ] || \
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unset TMPDIR
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[ -n "${TMPDIR+x}" ] && export TMPDIR="$TMPDIR" && xbmktmp="$TMPDIR"
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[ -z "${TMPDIR+x}" ] || return 0 # this is a child instance, so return
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# parent instance of xbmk, so don't return. set up TMPDIR
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# and re-run as a child instance:
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[ -f "lock" ] && $err "$xbmkpwd/lock exists. Is a build running?"
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export TMPDIR="/tmp"
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export TMPDIR="$(mktemp -d -t xbmk_XXXXXXXX)"
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xbmktmp="$TMPDIR"
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touch lock || $err "cannot create 'lock' file"
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x_ rm -Rf "$XBMK_CACHE/xbmkpath" "$XBMK_CACHE/gnupath"
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x_ mkdir -p "$XBMK_CACHE/gnupath" "$XBMK_CACHE/xbmkpath"
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export PATH="$XBMK_CACHE/xbmkpath:$XBMK_CACHE/gnupath:$PATH"
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(
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# set up python v3.x in PATH, in case it's not set up correctly.
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# see code above that detected the correct python3 command.
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cd "$XBMK_CACHE/xbmkpath" || $err "can't cd $XBMK_CACHE/xbmkpath"
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x_ ln -s "`pybin "$python"`" python
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) || $err "Can't set up python symlink in $XBMK_CACHE/xbmkpath"
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xbmk_rval=0
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./mk "$@" || xbmk_rval=1
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rm -Rf "$xbmktmp" || xbmk_rval=1
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rm -f lock || xbmk_rval=1
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exit $xbmk_rval
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}
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chkvars()
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chkvars()
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{
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{
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for var in "$@"; do
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for var in "$@"; do
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@ -80,134 +231,6 @@ install_packages()
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printf "You need AUR packages: %s\n" "$aur_notice" 1>&2; :
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printf "You need AUR packages: %s\n" "$aur_notice" 1>&2; :
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}
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}
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eval "`setvars "" _nogit board reinstall versiondate aur_notice configdir \
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datadir version relname xbmktmp`"
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if [ $# -gt 0 ] && [ "$1" = "dependencies" ]; then
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install_packages "$@" || exit 1
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exit 0
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fi
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id -u 1>/dev/null 2>/dev/null || $err "suid check failed (id -u)"
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[ "$(id -u)" != "0" ] || $err "this command as root is not permitted"
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xbmkpwd="`pwd`" || $err "Cannot generate PWD"
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export PWD="$xbmkpwd"
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for fv in version versiondate; do
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eval "[ ! -f \".$fv\" ] || read -r $fv < \".$fv\" || :"
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done
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# Use direct path, to prevent a hang if Python is using a virtual environment,
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# not command -v, to prevent a hang when checking python's version
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# See: https://docs.python.org/3/library/venv.html#how-venvs-work
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pybin()
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{
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py="import sys; quit(1) if sys.prefix == sys.base_prefix else quit(0)"
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venv=1
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command -v "$1" 1>/dev/null 2>/dev/null || venv=0
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[ $venv -lt 1 ] || "$1" -c "$py" 1>/dev/null 2>/dev/null || venv=0
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# ideally, don't rely on PATH or hardcoded paths if python venv.
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# use the *real*, direct executable linked to by the venv symlink
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if [ $venv -gt 0 ] && [ -L "`command -v "$1" 2>/dev/null`" ]; then
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# realpath isn't posix, but available mostly universally
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pypath="$(realpath \
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"$(command -v "$1" 2>/dev/null)" 2>/dev/null || :)"
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[ -e "$pypath" ] && [ ! -d "$pypath" ] && \
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[ -x "$pypath" ] && printf "%s\n" "$pypath" && return 0; :
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fi
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# if python venv: fall back to common PATH directories for checking
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[ $venv -gt 0 ] && for pypath in "/usr/local/bin" "/usr/bin"; do
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[ -e "$pypath/$1" ] && [ ! -d "$pypath/$1" ] && \
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[ -x "$pypath/$1" ] && printf "%s/%s\n" "$pypath" "$1" && \
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return 0
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done
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[ $venv -gt 0 ] && return 1
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# Defer to normal command -v if not a venv
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command -v "$1" 2>/dev/null || return 1
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}
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python="python3"
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pybin python3 1>/dev/null || python="python"
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pyver="2" && [ "$python" = "python3" ] && pyver="3"
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pybin "$python" 1>/dev/null || pyver=""
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[ -z "$pyver" ] || "`pybin "$python"`" -c \
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'import sys; print(sys.version_info[:])' 1>/dev/null 2>/dev/null || \
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$err "Cannot detect host Python version."
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if [ -n "$pyver" ]; then
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pyver="$("$(pybin "$python")" -c \
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'import sys; print(sys.version_info[:])' | awk '{print $1}')"
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pyver="${pyver#(}"
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pyver="${pyver%,}"
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fi
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[ "${pyver%%.*}" = "3" ] || $err "Wrong python version (must be v 3.x)"
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# XBMK_CACHE is a directory, for caching downloads and git repositories
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[ -z "${XBMK_CACHE+x}" ] && export XBMK_CACHE="$xbmkpwd/cache"
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[ -z "$XBMK_CACHE" ] && export XBMK_CACHE="$xbmkpwd/cache"
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[ -L "$XBMK_CACHE" ] && [ "$XBMK_CACHE" = "$xbmkpwd/cache" ] && \
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$err "cachedir is default, $xbmkpwd/cache, but it exists and is a symlink"
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[ -L "$XBMK_CACHE" ] && export XBMK_CACHE="$xbmkpwd/cache"
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[ -f "$XBMK_CACHE" ] && $err "cachedir '$XBMK_CACHE' exists but it's a file"
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# unify all temporary files/directories in a single TMPDIR
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[ -z "${TMPDIR+x}" ] || [ "${TMPDIR%_*}" = "/tmp/xbmk" ] || unset TMPDIR
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[ -n "${TMPDIR+x}" ] && export TMPDIR="$TMPDIR"
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if [ -z "${TMPDIR+x}" ]; then
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[ -f "lock" ] && $err "$xbmkpwd/lock exists. Is a build running?"
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export TMPDIR="/tmp"
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export TMPDIR="$(mktemp -d -t xbmk_XXXXXXXX)"
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xbmktmp="$TMPDIR"
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touch lock || $err "cannot create 'lock' file"
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x_ rm -Rf "$XBMK_CACHE/xbmkpath" "$XBMK_CACHE/gnupath"
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x_ mkdir -p "$XBMK_CACHE/gnupath" "$XBMK_CACHE/xbmkpath"
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export PATH="$XBMK_CACHE/xbmkpath:$XBMK_CACHE/gnupath:$PATH"
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(
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# set up python v3.x in PATH, in case it's not set up correctly.
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# see code above that detected the correct python3 command.
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cd "$XBMK_CACHE/xbmkpath" || $err "can't cd $XBMK_CACHE/xbmkpath"
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x_ ln -s "`pybin "$python"`" python
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) || $err "Can't set up python symlink in $XBMK_CACHE/xbmkpath"
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xbmk_rval=0
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./mk "$@" || xbmk_rval=1
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rm -Rf "$xbmktmp" || xbmk_rval=1
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rm -f lock || xbmk_rval=1
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exit $xbmk_rval
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fi
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xbmktmp="$TMPDIR"
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# if "y": a coreboot target won't be built if target.cfg says release="n"
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# (this is used to exclude certain build targets from releases)
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[ -z "${XBMK_RELEASE+x}" ] && export XBMK_RELEASE="n"
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[ "$XBMK_RELEASE" = "y" ] || export XBMK_RELEASE="n"
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[ -z "${XBMK_THREADS+x}" ] && export XBMK_THREADS=1
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expr "X$XBMK_THREADS" : "X-\{0,1\}[0123456789][0123456789]*$" \
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1>/dev/null 2>/dev/null || export XBMK_THREADS=1 # user gave a non-integer
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[ -e ".git" ] || [ -f ".version" ] || printf "unknown\n" > .version || \
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$err "Cannot generate unknown .version file"
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[ -e ".git" ] || [ -f ".versiondate" ] || printf "1716415872\n" > \
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.versiondate || $err "Cannot generate unknown .versiondate file"
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version_="$version"
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[ ! -e ".git" ] || version="$(git describe --tags HEAD 2>&1)" || \
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version="git-$(git rev-parse HEAD 2>&1)" || version="$version_"
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versiondate_="$versiondate"
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[ ! -e ".git" ] || versiondate="$(git show --no-patch --no-notes \
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--pretty='%ct' HEAD)" || versiondate="$versiondate_"
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for p in version versiondate; do
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chkvars "$p"
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eval "printf \"%s\\n\" \"\$$p\" > .$p || $err \"can't save $p\""
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done
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relname="$projectname-$version"
|
|
||||||
export LOCALVERSION="-$projectname-${version%%-*}"
|
|
||||||
|
|
||||||
check_defconfig()
|
check_defconfig()
|
||||||
{
|
{
|
||||||
[ -d "$1" ] || $err "Target '$1' not defined."
|
[ -d "$1" ] || $err "Target '$1' not defined."
|
||||||
|
|
@ -323,3 +346,10 @@ mk()
|
||||||
x_ ./mk $mk_flag $mk_arg
|
x_ ./mk $mk_flag $mk_arg
|
||||||
done; :
|
done; :
|
||||||
}
|
}
|
||||||
|
|
||||||
|
x_()
|
||||||
|
{
|
||||||
|
[ $# -lt 1 ] || "$@" || $err "Unhandled error for: $(echo "$@")"; :
|
||||||
|
}
|
||||||
|
|
||||||
|
xbmk_init "$@"
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue