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144 lines
4.1 KiB
144 lines
4.1 KiB
#!/bin/sh |
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# chkfmt |
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# |
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# COPYRIGHT: Written by John Cunningham Bowler, 2010. |
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# To the extent possible under law, the author has waived all copyright and |
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# related or neighboring rights to this work. This work is published from: |
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# United States. |
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# |
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# Check the format of the source files in the current directory - checks for a |
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# line length of 80 characters max and no tab characters. |
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# |
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# Optionally arguments are files or directories to check. |
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# |
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# -v: output the long lines (makes fixing them easier) |
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# -e: spawn an editor for each file that needs a change ($EDITOR must be |
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# defined). When using -e the script MUST be run from an interactive |
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# command line. |
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verbose= |
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edit= |
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vers= |
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test "$1" = "-v" && { |
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shift |
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verbose=yes |
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} |
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test "$1" = "-e" && { |
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shift |
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if test -n "$EDITOR" |
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then |
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edit=yes |
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# Copy the standard streams for the editor |
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exec 3>&0 4>&1 5>&2 |
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else |
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echo "chkfmt -e: EDITOR must be defined" >&2 |
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exit 1 |
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fi |
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} |
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# Function to edit a single file - if the file isn't changed ask the user |
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# whether or not to continue. This stuff only works if the script is run from |
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# the command line (otherwise, don't specify -e or you will be sorry). |
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doed(){ |
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cp "$file" "$file".orig |
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"$EDITOR" "$file" 0>&3 1>&4 2>&5 3>&- 4>&- 5>&- || exit 1 |
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if cmp -s "$file".orig "$file" |
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then |
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rm "$file".orig |
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echo -n "$file: file not changed, type anything to continue: " >&5 |
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read ans 0>&3 |
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test -n "$ans" || return 1 |
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fi |
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return 0 |
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} |
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# In beta versions the version string which appears in files can be a little |
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# long and cause spuriously overlong lines. To avoid this substitute the version |
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# string with a 'standard' version a.b.cc before checking for long lines. |
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if test -r png.h |
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then |
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vers="`sed -n -e \ |
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's/^#define PNG_LIBPNG_VER_STRING .\([0-9]\.[0-9]\.[0-9][0-9a-z]*\).$/\1/p' \ |
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png.h`" |
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echo "chkfmt: checking version $vers" |
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fi |
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if test -z "$vers" |
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then |
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echo "chkfmt: png.h not found, ignoring version number" >&2 |
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fi |
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test -n "$1" || set -- . |
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find "$@" \( -type d \( -name '.git' -o -name '.libs' -o -name 'projects' \) \ |
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-prune \) -o \( -type f \ |
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! -name '*.[oa]' ! -name '*.l[oa]' ! -name '*.png' ! -name '*.out' \ |
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! -name '*.jpg' ! -name '*.patch' ! -name '*.obj' ! -name '*.exe' \ |
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! -name '*.com' ! -name '*.tar.*' ! -name '*.zip' ! -name '*.ico' \ |
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! -name '*.res' ! -name '*.rc' ! -name '*.mms' ! -name '*.rej' \ |
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! -name '*.dsp' ! -name '*.orig' ! -name '*.dfn' ! -name '*.swp' \ |
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! -name '~*' ! -name '*.3' \ |
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! -name 'missing' ! -name 'mkinstalldirs' ! -name 'depcomp' \ |
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! -name 'aclocal.m4' ! -name 'install-sh' ! -name 'Makefile.in' \ |
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! -name 'ltmain.sh' ! -name 'config*' -print \) | { |
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st=0 |
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while read file |
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do |
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case "$file" in |
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*.mak|*[Mm]akefile.*|*[Mm]akefile) |
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# Makefiles require tabs, dependency lines can be this long. |
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check_tabs= |
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line_length=100;; |
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*.awk) |
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# Includes literal tabs |
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check_tabs= |
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# The following is arbitrary |
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line_length=132;; |
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*contrib/*/*.[ch]) |
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check_tabs=yes |
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line_length=96;; |
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*) |
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check_tabs=yes |
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line_length=80;; |
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esac |
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# Note that vers can only contain 0-9, . and a-z |
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if test -n "$vers" |
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then |
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sed -e "s/$vers/a.b.cc/g" "$file" >"$file".$$ |
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else |
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cp "$file" "$file".$$ |
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fi |
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splt="`fold -$line_length "$file".$$ | diff -c "$file".$$ -`" |
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rm "$file".$$ |
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if test -n "$splt" |
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then |
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echo "$file: lines too long" |
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st=1 |
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if test -n "$EDITOR" -a -n "$edit" |
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then |
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doed "$file" || exit 1 |
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elif test -n "$verbose" |
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then |
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echo "$splt" |
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fi |
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fi |
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if test -n "$check_tabs" |
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then |
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tab="`tr -c -d '\t' <"$file"`" |
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if test -n "$tab" |
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then |
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echo "$file: file contains tab characters" |
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st=1 |
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if test -n "$EDITOR" -a -n "$edit" |
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then |
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doed "$file" || exit 1 |
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elif test -n "$verbose" |
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then |
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echo "$splt" |
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fi |
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fi |
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fi |
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done |
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exit $st |
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}
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