blob: e7cf529a438f62979b75bde32c439df42fd25425
1 | #!/bin/bash |
2 | # Whitespace fixer |
3 | # Usage: fix_ws [dir]... |
4 | |
5 | temp="/tmp/fix_ws.$$.$RANDOM" |
6 | |
7 | # Using $'xxx' bashism |
8 | begin8sp_tab=$'s/^ /\t/' |
9 | beginchar7sp_chartab=$'s/^\\([^ \t]\\) /\\1\t/' |
10 | tab8sp_tabtab=$'s/\t /\t\t/g' |
11 | tab8sptab_tabtabtab=$'s/\t \t/\t\t\t/g' |
12 | begin17sptab_tab=$'s/^ \\{1,7\\}\t/\t/' |
13 | tab17sptab_tabtab=$'s/\t \\{1,7\\}\t/\t\t/g' |
14 | trailingws_=$'s/[ \t]*$//' |
15 | |
16 | #>fix_ws.diff |
17 | |
18 | find "$@" -type f \ |
19 | | while read name; do |
20 | test "YES" = "${name/*.bz2/YES}" && continue |
21 | test "YES" = "${name/*.gz/YES}" && continue |
22 | test "YES" = "${name/*.png/YES}" && continue |
23 | test "YES" = "${name/*.gif/YES}" && continue |
24 | test "YES" = "${name/*.jpg/YES}" && continue |
25 | test "YES" = "${name/*.diff/YES}" && continue |
26 | test "YES" = "${name/*.patch/YES}" && continue |
27 | # shell testsuite entries are not to be touched too |
28 | test "YES" = "${name/*.right/YES}" && continue |
29 | |
30 | if test "YES" = "${name/*.[chsS]/YES}" \ |
31 | -o "YES" = "${name/*.sh/YES}" \ |
32 | -o "YES" = "${name/*.txt/YES}" \ |
33 | -o "YES" = "${name/*.html/YES}" \ |
34 | -o "YES" = "${name/*.htm/YES}" \ |
35 | -o "YES" = "${name/*Config.in*/YES}" \ |
36 | ; then |
37 | # More aggressive whitespace fixes for known file types |
38 | echo "Formatting: $name" >&2 |
39 | cat "$name" \ |
40 | | sed -e "$tab8sptab_tabtabtab" -e "$tab8sptab_tabtabtab" \ |
41 | -e "$tab8sptab_tabtabtab" -e "$tab8sptab_tabtabtab" \ |
42 | | sed "$begin17sptab_tab" \ |
43 | | sed -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \ |
44 | -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \ |
45 | -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \ |
46 | | sed "$trailingws_" |
47 | elif test "YES" = "${name/*Makefile*/YES}" \ |
48 | -o "YES" = "${name/*Kbuild*/YES}" \ |
49 | ; then |
50 | # For Makefiles, never convert "1-7spaces+tab" into "tabtab" |
51 | echo "Makefile: $name" >&2 |
52 | cat "$name" \ |
53 | | sed -e "$tab8sptab_tabtabtab" -e "$tab8sptab_tabtabtab" \ |
54 | -e "$tab8sptab_tabtabtab" -e "$tab8sptab_tabtabtab" \ |
55 | | sed -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \ |
56 | -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \ |
57 | -e "$tab17sptab_tabtab" -e "$tab17sptab_tabtab" \ |
58 | | sed "$trailingws_" |
59 | else |
60 | # Only remove trailing WS for the rest |
61 | echo "Removing trailing whitespace: $name" >&2 |
62 | cat "$name" \ |
63 | | sed "$trailingws_" |
64 | fi >"$temp" |
65 | |
66 | # diff -u "$temp" "$name" >>fix_ws.diff |
67 | |
68 | # Conserve mode/symlink: |
69 | cat "$temp" >"$name" |
70 | done |
71 | rm "$temp" 2>/dev/null |
72 |