146 lines
4.8 KiB
Bash
Executable File
146 lines
4.8 KiB
Bash
Executable File
#!/bin/sh
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main() {
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# shellcheck source=./loadup-setup.sh
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. "${LOADUP_SCRIPTDIR}/loadup-setup.sh"
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loadup_start
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cat >"${cmfile}" <<-"EOF"
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(* "make init files; this file is loaded as a 'greet' file by scripts/loadup-init.sh")
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(SETQ MEDLEYDIR NIL)
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(LOAD (CONCAT (UNIX-GETENV "MEDLEYDIR") "/sources/MEDLEYDIR.LCOM"))
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(MEDLEY-INIT-VARS)
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(CNDIR (UNIX-GETENV "LOADUP_WORKDIR"))
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(DRIBBLE "init.dribble")
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(UNADVISE)
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(ADVISE 'PAGEFULLFN '(RETURN))
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(ADVISE '(ERROR IN \DO-DEFINE-FILE-INFO) '(RETURN))
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(MOVD? 'NILL 'SETTEMPLATE)
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(DEFINEQ (RRE (LAMBDA (X Y) Y)))
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(MOVD? 'RRE 'READ-READER-ENVIRONMENT)
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(LOAD (CONCAT "{DSK}" (UNIX-GETENV "LOADUP_SOURCEDIR") "/" "MAKEINIT.LCOM"))
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(PROG
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((WORKDIR (CONCAT "{DSK}" (UNIX-GETENV "LOADUP_WORKDIR") "/"))
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(LOADUP-SOURCE-DIR (CONCAT "{DSK}" (UNIX-GETENV "LOADUP_SOURCEDIR") "/"))
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)
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(SETQ DIRECTORIES (CONS LOADUP-SOURCE-DIR DIRECTORIES))
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(RESETLST (RESETSAVE OK.TO.MODIFY.FNS T)
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(MAKEINITGREET (CONCAT WORKDIR "init.sysout") (CONCAT WORKDIR "init.dlinit"))
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)
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)
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(DRIBBLE)
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(LOGOUT T)
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STOP
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EOF
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run_medley "${LOADUP_SOURCEDIR}/starter.sysout"
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loadup_finish "init.dlinit" "init.*" "RDSYS*" "I-NEW*"
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}
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# shellcheck disable=SC2164,SC2034
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if [ -z "${LOADUP_SCRIPTDIR}" ]
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then
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#
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#
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# Some functions to determine what directory this script is being executed from
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#
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#
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get_abs_filename() {
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# $1 : relative filename
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echo "$(cd "$(dirname "$1")" && pwd)/$(basename "$1")"
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}
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# This function taken from
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# https://stackoverflow.com/questions/29832037/how-to-get-script-directory-in-posix-sh
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rreadlink() (
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# Execute this function in a *subshell* to localize variables and the effect of `cd`.
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target=$1
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fname=
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targetDir=
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CDPATH=
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# Try to make the execution environment as predictable as possible:
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# All commands below are invoked via `command`, so we must make sure that `command`
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# itself is not redefined as an alias or shell function.
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# (Note that command is too inconsistent across shells, so we don't use it.)
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# `command` is a *builtin* in bash, dash, ksh, zsh, and some platforms do not even have
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# an external utility version of it (e.g, Ubuntu).
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# `command` bypasses aliases and shell functions and also finds builtins
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# in bash, dash, and ksh. In zsh, option POSIX_BUILTINS must be turned on for that
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# to happen.
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{ \unalias command; \unset -f command; } >/dev/null 2>&1
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[ -n "$ZSH_VERSION" ] && options[POSIX_BUILTINS]=on # make zsh find *builtins* with `command` too.
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while :; do # Resolve potential symlinks until the ultimate target is found.
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[ -L "$target" ] || [ -e "$target" ] || { command printf '%s\n' "ERROR: '$target' does not exist." >&2; return 1; }
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command cd "$(command dirname -- "$target")" # Change to target dir; necessary for correct resolution of target path.
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fname=$(command basename -- "$target") # Extract filename.
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[ "$fname" = '/' ] && fname='' # !! curiously, `basename /` returns '/'
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if [ -L "$fname" ]; then
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# Extract [next] target path, which may be defined
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# *relative* to the symlink's own directory.
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# Note: We parse `ls -l` output to find the symlink target
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# which is the only POSIX-compliant, albeit somewhat fragile, way.
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target=$(command ls -l "$fname")
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target=${target#* -> }
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continue # Resolve [next] symlink target.
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fi
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break # Ultimate target reached.
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done
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targetDir=$(command pwd -P) # Get canonical dir. path
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# Output the ultimate target's canonical path.
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# Note that we manually resolve paths ending in /. and /.. to make sure we have a normalized path.
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if [ "$fname" = '.' ]; then
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command printf '%s\n' "${targetDir%/}"
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elif [ "$fname" = '..' ]; then
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# Caveat: something like /var/.. will resolve to /private (assuming /var@ -> /private/var), i.e. the '..' is applied
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# AFTER canonicalization.
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command printf '%s\n' "$(command dirname -- "${targetDir}")"
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else
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command printf '%s\n' "${targetDir%/}/$fname"
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fi
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)
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get_script_dir() {
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# call this with $0 (from main script) as its (only) parameter
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# if you need to preserve cwd, run this is a subshell since
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# it can change cwd
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# set -x
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local_SCRIPT_PATH="$( get_abs_filename "$1" )";
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while [ -h "$local_SCRIPT_PATH" ];
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do
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cd "$( dirname -- "$local_SCRIPT_PATH"; )";
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local_SCRIPT_PATH="$( rreadlink "$local_SCRIPT_PATH" )";
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done
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cd "$( dirname -- "$local_SCRIPT_PATH"; )" > '/dev/null';
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local_SCRIPT_PATH="$( pwd; )";
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# set +x
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echo "${local_SCRIPT_PATH}"
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}
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# end of script directory functions
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###############################################################################
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# figure out the script dir
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LOADUP_SCRIPTDIR="$(get_script_dir "$0")"
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export LOADUP_SCRIPTDIR
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fi
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main "$@"
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