hooks/pre-commit

   1 #!/bin/sh
   2 #
   3 # Hook used to indent all source files before commiting
   4 #
   5
   6 # indent / format file by type
   7 indent() {
   8     # getting against as the current commit
   9     if git rev-parse --verify HEAD >/dev/null 2>&1
  10     then
  11         local against=HEAD
  12     else
  13         # Initial commit: diff against an empty tree object
  14         local against=4b825dc642cb6eb9a060e54bf8d69288fbee4904
  15     fi
  16
  17     # loop on modified files
  18     git diff --cached --name-only $against |while read file;
  19     do
  20         local ext=$(expr "$file" : ".*\(\..*\)")
  21         case $ext in
  22         .R|.r)
  23             __indent_R;
  24         ;;
  25         esac
  26     done
  27 }
  28
  29 # Indent the file with `indent' if this is a R file
  30 __indent_R() {
  31     if test ! -x "$INDENT"
  32     then
  33         return;
  34     fi
  35     if test ! -f $file
  36     then
  37         return;
  38     fi
  39
  40     echo "Indenting " $file
  41     echo "library(formatR);formatR::tidy_source('$file',comment=TRUE,blank=TRUE,
  42         arrow=TRUE,brace.newline=TRUE,indent=2,width.cutoff=80,file='$file')" | R --slave
  43     git add "$file"
  44 }
  45
  46 indent