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pre-commit: Workaround shell syntax limitations

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Commit "Reject leading TABs" added use of shell syntax of the form

  $(case "..." in
     a) ... ;;
    esac)

Some shell implementations fail to recognize that the ')' in the case
label is not the end of the '$(' expression.  Work around the problem
by moving the case block into a separate function outside the '$()'
expression.
This commit is contained in:
Brad King 2010-04-27 13:55:06 -04:00
parent f226aad5a4
commit 0df83855da
1 changed files with 14 additions and 11 deletions
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25
pre-commit
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@ -58,19 +58,22 @@ check_tab() {
grep '^+ ' > /dev/null &&
echo " $1"
}
check_file() {
case "$1" in
*.c) check_tab "$1" ;;
*.h) check_tab "$1" ;;
*.cxx) check_tab "$1" ;;
*.txx) check_tab "$1" ;;
*.hxx) check_tab "$1" ;;
*.htm) check_tab "$1" ;;
*.html) check_tab "$1" ;;
*.txt) check_tab "$1" ;;
*.cmake) check_tab "$1" ;;
esac
}
bad=$(git diff-index --name-only --cached $against -- |
while read file; do
case "$file" in
*.c) check_tab "$file" ;;
*.h) check_tab "$file" ;;
*.cxx) check_tab "$file" ;;
*.txx) check_tab "$file" ;;
*.hxx) check_tab "$file" ;;
*.htm) check_tab "$file" ;;
*.html) check_tab "$file" ;;
*.txt) check_tab "$file" ;;
*.cmake) check_tab "$file" ;;
esac
check_file "$file"
done)
test -z "$bad" || die 'Leading TABs added in
'"$bad"'