blob: 48653deb6997cef8b9f83e3257d28eafd7d1736b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
#!/bin/bash
#
# A git hook script to find and fix trailing whitespace
# in your commits. Bypass it with the --no-verify option
# to git-commit
#
# Copyright Oldman <imoldman.com@gmail.com> and contributors:
# https://github.com/imoldman/config
#
# Add this to a project's pre-hooks using:
# git rev-parse --show-toplevel
# ln -s ../../scripts/git-prehook-whitespace.sh .git/hooks/pre-commit
set -euo pipefail
# detect platform
platform="win"
uname_result="$(uname)"
if [ "$uname_result" = "Linux" ]; then
platform="linux"
elif [ "$uname_result" = "Darwin" ]; then
platform="mac"
fi
# change IFS to ignore filename's space in |for|
IFS="
"
# autoremove trailing whitespace
for line in $(git diff --check --cached | sed '/^[+-]/d') ; do
# get file name
if [ "$platform" = "mac" ]; then
file="$(echo "$line" | sed -E 's/:[0-9]+: .*//')"
else
file="$(echo "$line" | sed -r 's/:[0-9]+: .*//')"
fi
# display tips
echo -e "auto remove trailing whitespace in \\033[31m$file\\033[0m!"
# since $file in working directory isn't always equal to $file in index, so we backup it
mv -f "$file" "${file}.save"
# discard changes in working directory
git checkout -- "$file"
# remove trailing whitespace
if [ "$platform" = "win" ]; then
# sed in msys 1.x does not support -i
sed 's/[[:space:]]*$//' "$file" > "${file}.bak"
mv -f "${file}.bak" "$file"
elif [ "$platform" == "mac" ]; then
sed -i "" 's/[[:space:]]*$//' "$file"
else
sed -i 's/[[:space:]]*$//' "$file"
fi
git add "$file"
# restore the $file
sed 's/[[:space:]]*$//' "${file}.save" > "$file"
rm "${file}.save"
done
# Now we can commit
exit
|
