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https://github.com/RTimothyEdwards/magic.git
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Darryl L. MilesandClaude Opus 4.8
869e99f69e
Expand each run_magic*.sh header to state its purpose, usage, and the full set
of environment overrides. Initialize every knob with ${VAR:-default} so a value
inherited from the environment always wins:
- CAD_ROOT is now overridable (was hardwired to $builddir/CAD_DIR); point it at
a shared/installed tree to skip staging.
- WISH/TCLSH default to the wish/tclsh configure detected for this build's
Tcl/Tk (@WISH_EXE@/@TCLSH_EXE@, matching --with-tk/--with-tcl), so a build
against a non-standard Tcl/Tk automatically uses the correct absolute paths.
MAGIC_WISH (what tkcon.tcl uses for the Tk console) defaults from WISH.
Add magic_check_env(): on source, sanity-check each value (directory / regular
file / executable, as appropriate) and print a non-fatal stderr warning naming
the offending variable and whether it came from the environment or the baked
default -- to make a bad override easy to diagnose. Empty optional values
(e.g. no tclsh configured) and a not-yet-created CAD_ROOT are not flagged.
Co-Authored-By: Claude Opus 4.8 <[email protected]>
36 lines
1.6 KiB
Bash
36 lines
1.6 KiB
Bash
#!/usr/bin/env bash
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#
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# run_magicnull.sh -- launch magic in batch / no-GUI mode (-dnull) from the build tree.
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# Generated by configure from scripts/run_magicnull.sh.in.
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#
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# PURPOSE
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# Run the just-built magic with the null graphics device -- no X display, fully
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# scriptable -- without `make install`. Like run_magic.sh it stages
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# ${builddir}/CAD_DIR (symlinks) on first run and exports CAD_ROOT so magic
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# finds its sys files and Tcl runtime there. Uses the self-contained
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# "magicdnull" (no external wish/Tk needed).
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#
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# USAGE
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# ./run_magicnull.sh # interactive Tcl prompt
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# ./run_magicnull.sh foo.mag # load a layout, batch
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# Interactive (tty) use sources the Tcl startup (magic.tcl) automatically from
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# CAD_ROOT. For a non-interactive script piped on stdin, source it yourself:
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# printf 'source %s/magic.tcl\n<commands>\n' "$CAD_ROOT/magic/tcl" \
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# | ./run_magicnull.sh
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#
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# ENVIRONMENT OVERRIDES (all optional; each wins over the baked default)
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# CAD_ROOT reuse an alternate runtime tree instead of staging $builddir/CAD_DIR
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# TCLSH tclsh matching this build's Tcl (--with-tcl); for diagnostics
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# MAGIC_BUILDDIR MAGIC_SRCDIR build/source tops (default: baked-in absolutes)
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# (WISH/MAGIC_WISH are irrelevant here -- there is no Tk in -dnull mode.)
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# Inherited values are sanity-checked; problems print as stderr warnings.
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# See magic_run_common.sh for the authoritative list and defaults.
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set -eu
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here="$(cd "$(dirname "$0")" && pwd)"
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. "$here/magic_run_common.sh"
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magic_require_built
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magic_stage
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exec "$MAGIC_TCL/magicdnull" -dnull -nowrapper "$@"
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