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|
#!/bin/bash
##
## The cleanup-commit script
## -------------------------
## This little script will cleanup your commit before you send it. You need to add the files to the staged area and
## run this script. It will automatically cleanup tabs and trailing spaces for the files you added and then add the
## clean versions to the staging area.
##
## Use at your own risk, I spent some time making the script error-proof so it will abort if sees any inconsistency,
## but of course playing around with your commit might break things. Btw, it saves the original file to file.bak.
##
## Happy hacking!
##
ABORT="Ab0rT0p3r4+|0n"
#
# Cleanup function
#
function cleanup {
echo Cleaning up $1...
# prepare the ground
rm -rf $1.bak
# compress <TAB> into double <BLANK> and eliminate trailing <BLANC>s
sed -i.bak -e 's/\t/ /g' -e 's/ *$//' $1
}
#
# Get the git status for the current staged commit
#
FULLSTATUS=`git status --porcelain`
if [ $? -ne 0 ]
then
echo "Unable to run git. Check if:"
echo " -- git is installed (you can run git in the command line)"
echo " -- the current directory is a valid git repository"
exit 1
fi
echo
#
# Based on the status decide what files will get cleaned up
#
CLEANUP_FILES=`echo "$FULLSTATUS" | while read LINE
do
STATUS=$(echo $LINE | sed 's/^\(..\).*$/\1/')
if [ $? -ne 0 ]
then
echo "Could not get the status for line: $LINE"
echo " -- you have the basic unix tools installed (grep, cut, sed)"
echo $ABORT # This goes to CLEANUP_FILES
exit 1
fi
FILES=$(echo $LINE | sed 's/^..//')
FILE1=$(echo $FILES | cut -d ' ' -f 1)
FILE2=$(echo $FILES | cut -d ' ' -f 3)
case "$STATUS" in
[AMRDC]" ")
case "$STATUS" in
"A "|"M ")
echo $FILE1
;;
"R ")
echo $FILE2
;;
"D ")
#nothing to do
;;
"C ")
echo $FILE1
echo $FILE2
;;
esac
;;
"??")
# File is not tracked, no need to do anything about it
# echo Untracked: $FILE1
;;
*)
echo "Unstable status of file $FILE1 (\"$STATUS\")" >&2
echo "Aborting cleanup!" >&2
echo $ABORT # This goes to CLEANUP_FILES
exit 1
esac
done; echo $CLEANUP_FILES`
#
# Perform actual cleanup
#
case $CLEANUP_FILES in
*"$ABORT")
echo
exit 1
;;
"")
echo Nothing to do!
;;
*)
cd $(git rev-parse --show-toplevel)
if [ $? -ne 0 ]
then
echo Unexpected error: cannot cd to the repository root
echo Aborting cleanup!
exit 1
fi
echo "$CLEANUP_FILES" | while read FILE
do
cleanup $FILE
done
cd - &>/dev/null
echo
echo "Cleanup done: "
echo " - original files saved as .bak"
echo " - you can do \"git diff\" to see the changes the script did"
echo " - you can do \"git commit -a\" to commit the cleaned up files"
echo
;;
esac
|
