mirror of
https://github.com/notwa/rc
synced 2024-11-05 06:29:02 -08:00
56 lines
1.5 KiB
Text
56 lines
1.5 KiB
Text
#!/usr/bin/env false
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# FAKE_COMPAT
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cd ~/sh && unset IFS || exit
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case "$0" in
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(-*) sh="${0#-}";;
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(/*) sh="${0##*/}";;
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(*) sh="$0"
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esac
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[ "$sh" != recombine ] || sh=zsh # only zsh does this (AFAIK)
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case "$sh" in
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(ash) SH=ASH c=ash;;
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(bash) SH=BASH c=bash;;
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(dash) SH=DASH c=dash;;
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(hush) SH=HUSH c=hush;;
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(ksh) SH=KSH c=ksh;;
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(loksh) SH=OKSH c=oksh;; # similar enough to oksh to use the same compatibility flag
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(mksh) SH=MKSH c=mksh;;
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(oksh) SH=OKSH c=oksh;;
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(osh) SH=OSH c=osh;;
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(posh) SH=POSH c=posh;;
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(yash) SH=YASH c=yash;;
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(zsh) SH=ZSH c=zsh;;
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(sh)
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f() { ! return 1; }
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g() { return 256; }
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if f; then # (ash, hush) || (zsh)
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g && SH=ASH c=ash || SH=ZSH c=zsh
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else # (bash, mksh, osh) || (dash, ksh, loksh, oksh, posh, yash)
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g && SH=BASH c=bash || SH=DASH c=dash
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fi;;
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(*)
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printf >&2 %s\\n "unknown shell (\$0): $0"
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exit 1
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esac
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[ "$SH" != zsh ] || set -o SH_WORD_SPLIT
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printf %s\\n '#!/usr/bin/env false' '[ -n "$preload" ] || exit 1' ''
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for f in "${HOME:?}/sh"/*; do
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[ -n "${f##*.*}" ] && [ -f "$f" ] || continue
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i=10 sh=
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while IFS= read -r line; do
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check=0
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for word in $line; do
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case "$word" in (YES_$SH) sh=1;; (NO_$SH) sh=0;; (compat:) check=1;; esac
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[ "$check" != 1 ] || case "$word" in (+$c) sh=1;; (-$c) sh=0;; esac
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done
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[ "$((i-=1))" != 0 ] || break # act like head -n10
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done < "$f"
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[ "$sh" != 1 ] || set -- "$@" "$f"
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done
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[ $# = 0 ] || cat "$@"
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