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145 lines
4.1 KiB
145 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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