henk
61 lines
1.7 KiB
Bash
Executable File
61 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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#
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# A git hook script to find and fix trailing whitespace
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# in your commits. Bypass it with the --no-verify option
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# to git-commit
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#
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# usage: make a soft link to this file, e.g., ln -s ~/config/pre-commit.git.sh ~/some_project/.git/hooks/pre-commit
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# detect platform
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platform="win"
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uname_result=`uname`
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if [ "$uname_result" = "Linux" ]; then
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platform="linux"
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elif [ "$uname_result" = "Darwin" ]; then
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platform="mac"
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fi
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# change IFS to ignore filename's space in |for|
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IFS="
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"
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# autoremove trailing whitespace
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for line in `git diff --check --cached | sed '/^[+-]/d'` ; do
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# get file name
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if [ "$platform" = "mac" ]; then
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file="`echo $line | sed -E 's/:[0-9]+: .*//'`"
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else
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file="`echo $line | sed -r 's/:[0-9]+: .*//'`"
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fi
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# display tips
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echo -e "auto remove trailing whitespace in \033[31m$file\033[0m!"
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# since $file in working directory isn't always equal to $file in index, so we backup it
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mv -f "$file" "${file}.save"
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# discard changes in working directory
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git checkout -- "$file"
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# remove trailing whitespace
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if [ "$platform" = "win" ]; then
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# in windows, `sed -i` adds ready-only attribute to $file(I don't kown why), so we use temp file instead
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sed 's/[[:space:]]*$//' "$file" > "${file}.bak"
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mv -f "${file}.bak" "$file"
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elif [ "$platform" == "mac" ]; then
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sed -i "" 's/[[:space:]]*$//' "$file"
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else
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sed -i 's/[[:space:]]*$//' "$file"
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fi
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git add "$file"
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# restore the $file
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sed 's/[[:space:]]*$//' "${file}.save" > "$file"
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rm "${file}.save"
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done
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if [ "x`git status -s | grep '^[A|D|M]'`" = "x" ]; then
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# empty commit
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echo
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echo -e "\033[31mNO CHANGES ADDED, ABORT COMMIT!\033[0m"
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exit 1
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fi
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# Now we can commit
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exit
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