72 lines
2.3 KiB
Bash
Executable File
72 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# Whitespace fixer
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# Usage: fix_ws [dir]...
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temp="/tmp/fix_ws.$$.$RANDOM"
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# Using $'xxx' bashism
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begin8sp_tab=$'s/^ /\t/'
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beginchar7sp_chartab=$'s/^\\([^ \t]\\) /\\1\t/'
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tab8sp_tabtab=$'s/\t /\t\t/g'
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tab8sptab_tabtabtab=$'s/\t \t/\t\t\t/g'
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begin17sptab_tab=$'s/^ \\{1,7\\}\t/\t/'
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tab17sptab_tabtab=$'s/\t \\{1,7\\}\t/\t\t/g'
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trailingws_=$'s/[ \t]*$//'
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#>fix_ws.diff
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find "$@" -type f \
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| while read name; do
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test "YES" = "${name/*.bz2/YES}" && continue
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test "YES" = "${name/*.gz/YES}" && continue
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test "YES" = "${name/*.png/YES}" && continue
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test "YES" = "${name/*.gif/YES}" && continue
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test "YES" = "${name/*.jpg/YES}" && continue
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test "YES" = "${name/*.diff/YES}" && continue
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test "YES" = "${name/*.patch/YES}" && continue
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# shell testsuite entries are not to be touched too
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test "YES" = "${name/*.right/YES}" && continue
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if test "YES" = "${name/*.[chsS]/YES}" \
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-o "YES" = "${name/*.sh/YES}" \
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-o "YES" = "${name/*.txt/YES}" \
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-o "YES" = "${name/*.html/YES}" \
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-o "YES" = "${name/*.htm/YES}" \
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-o "YES" = "${name/*Config.in*/YES}" \
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; then
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# More aggressive whitespace fixes for known file types
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echo "Formatting: $name" >&2
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cat "$name" \
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| sed -e "$tab8sptab_tabtabtab" -e "$tab8sptab_tabtabtab" \
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-e "$tab8sptab_tabtabtab" -e "$tab8sptab_tabtabtab" \
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| sed "$begin17sptab_tab" \
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| sed -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
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-e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
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-e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
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| sed "$trailingws_"
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elif test "YES" = "${name/*Makefile*/YES}" \
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-o "YES" = "${name/*Kbuild*/YES}" \
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; then
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# For Makefiles, never convert "1-7spaces+tab" into "tabtab"
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echo "Makefile: $name" >&2
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cat "$name" \
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| sed -e "$tab8sptab_tabtabtab" -e "$tab8sptab_tabtabtab" \
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-e "$tab8sptab_tabtabtab" -e "$tab8sptab_tabtabtab" \
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| sed -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
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-e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
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-e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \
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| sed "$trailingws_"
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else
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# Only remove trailing WS for the rest
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echo "Removing trailing whitespace: $name" >&2
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cat "$name" \
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| sed "$trailingws_"
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fi >"$temp"
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# diff -u "$temp" "$name" >>fix_ws.diff
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# Conserve mode/symlink:
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cat "$temp" >"$name"
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done
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rm "$temp" 2>/dev/null
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