mirror of
https://github.com/notwa/rc
synced 2024-11-14 08:29:03 -08:00
101 lines
3.8 KiB
Bash
Executable file
101 lines
3.8 KiB
Bash
Executable file
#!/usr/bin/env dash
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# TODO: keep track of which scripts require GNU versions of utilities,
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# as opposed of plain ol' busybox. test all the awk scripts, etc.
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tableize() {
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local name="$1"
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local rc="$2"
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[ -n "$rc" ] || rc="$(readlink -f "$(dirname "$name")" )"
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[ -d "$rc" ] || { printf "%s: %s\n" "$0" 'failed to determine rc directory' >&2; }
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cd "$rc" || { printf "%s: %s\n" "$0" 'failed to change directory' >&2; }
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# the script column has to be stupid wide because names are repeated twice for anchors.
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# column lengths: 45, 10, 4, 4, 4, 4
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printf '%s\n' '| script | preference | zsh | bash | dash | ash |'
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printf '%s\n' '| --------------------------------------------- | ---------- | ---- | ---- | ---- | ---- |'
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local f=
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for f in sh/*; do
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[ ! -d "$f" ] || continue # do not recurse or anything
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[ -f "$f" ] || continue # probably failed to glob
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local fn="${f##*/}"
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# ignore some stuff:
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[ "$fn" = "${fn#_}" ] || continue # completion files
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[ "$fn" = "${fn%.bak}" ] || continue # backup files
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local i=0 zsh= bash= dash= ash= pref=
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while IFS= read -r line; do
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: $((i+=1))
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[ $i -le 10 ] || break # act like head -n10
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#printf '%s\n' "$i: $line"
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local code="$line"
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code="${code#${code%%[! ]*}}" # ltrim
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local decom="$code"
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#decom="${decom#${decom%%[!#]*}}" # ltrim #s
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decom="${decom#\#}"
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[ "$code" != "$decom" ] || continue # only care about comments
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decom="${decom#${decom%%[! ]*}}" # ltrim
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decom="${decom%${decom##*[! ]}}" # rtrim
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case "$decom" in
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YES_ZSH) zsh=yes;;
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YES_BASH) bash=yes;;
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YES_DASH) dash=yes;;
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YES_ASH) ash=yes;;
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FAKE_COMPAT) zsh=yes; bash=yes; dash=yes; ash=yes;;
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NO_ZSH) zsh=no;;
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NO_BASH) bash=no;;
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NO_DASH) dash=no;;
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NO_ASH) ash=no;;
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'!/bin/sh') pref=sh;;
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'!/usr/bin/env ash') pref=ash;;
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'!/usr/bin/env bash') pref=bash;;
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'!/usr/bin/env dash') pref=dash;;
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'!/usr/bin/env false') pref=false;;
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'!/usr/bin/env perl') pref=perl;;
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'!/usr/bin/env sh') pref=sh;;
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'!/usr/bin/env zsh') pref=zsh;;
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'!/usr/bin/sh') pref=sh;;
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#*) printf '\033[1mno match:\033[0m [%s]\n' "$decom";;
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esac
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done < "$f"
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#printf '%s' "script $fn has a preference for $pref and support for" >&2
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#[ "$zsh" != yes ] || printf ' %s' zsh >&2
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#[ "$bash" != yes ] || printf ' %s' bash >&2
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#[ "$dash" != yes ] || printf ' %s' dash >&2
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#[ "$ash" != yes ] || printf ' %s' ash >&2
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#printf '\n' >&2
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local yay='✔️' # yay='y'
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local nay='⭕' # nay='✖️' # nay='n'
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local huh='❔' # huh='?'
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local etc='*n/a*'
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# TODO: escape underscores in filenames.
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printf '| [%s](#%s) ' "$fn" "$fn"
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printf "%$(( 40 - 2 * ${#fn} ))s" '' # funky way to pad the rest of the column
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local p="$pref"
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[ "$pref" != false ] || p='**false**'
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[ "$pref" != perl ] || p='**perl**'
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[ "$pref" != sh ] || p='*sh*'
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[ -n "$p" ] && printf '| %10s ' "$p" || printf '| %9s%s ' '' "$huh"
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local t=
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for t in "$zsh" "$bash" "$dash" "$ash"; do
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local w="$huh"
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[ "$pref" != perl ] || w="$etc"
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[ "$t" != yes ] || w="$yay"
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[ "$t" != no ] || w="$nay"
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# can't use '%4s' here because printf gets confused by UTF-8.
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printf '| %s ' "$w"
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done
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printf '|\n'
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done
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}
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tableize "$0" "$@"
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