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|
#!/usr/bin/env bash
usage() {
cat <<EOF
usage: git sed [ -c ] [ -f <flags> ] <search> <replacement> [ <flags> ]
Run git grep and then send results to sed for replacement with the
given flags, if they are provided via -f or as the third argument.
Also runs git commit if -c is provided.
EOF
}
# don't commit by default
do_commit() {
true
}
pathspec=
while [ "$1" != "" ]; do
case "$1" in
-c|--commit)
if git status --porcelain | grep .; then
echo "you need to commit your changes before running with --commit"
exit 1
fi
do_commit() {
git commit -m"replace $search with $replacement
actual command:
$command" -a
}
;;
-f|--flags)
if [ "$2" = "" ]; then
usage
echo "missing argument for $1"
exit 1
fi
shift
flags=$1
;;
-h|--help)
usage
exit
;;
--)
pathspec="$*"
break
;;
-*)
usage
echo "unknown flag: $1"
exit 1
;;
*)
if [ "$search" = "" ]; then
search="$1"
elif [ "$replacement" = "" ]; then
replacement="$1"
elif [ "$flags" = "" ]; then
flags="$1"
else
usage
echo "too many arguments: $1"
exit 1
fi
;;
esac
shift
done
all="$search$replacement$flags"
case "$all" in
*/*)
ascii="$(for((i=32;i<=127;i++)) do printf '%b' "\\$(printf '%03o' "$i")"; done)"
escaped="${all//-/\\-}"
escaped="${escaped//[/\\[}"
sep="$(printf '%s' "$ascii" | tr -d "$escaped")"
sep="$(printf %.1s "$sep")"
if [ "$sep" = "" ] ; then
echo 'could not find an unused character for sed separator character'
exit 1
fi
;;
*)
sep=/
;;
esac
r=$(xargs -r false < /dev/null > /dev/null 2>&1 && echo r)
need_bak=$(sed -i s/hello/world/ "$(git_extra_mktemp)" > /dev/null 2>&1 || echo true)
if [ "$need_bak" ]; then
command="git grep -lz '$search' $pathspec | xargs -0$r sed -i '' 's$sep$search$sep$replacement$sep$flags'"
# shellcheck disable=SC2086
git grep -lz "$search" $pathspec | xargs -0"$r" sed -i '' "s$sep$search$sep$replacement$sep$flags"
else
command="git grep -lz '$search' $pathspec | xargs -0$r sed -i 's$sep$search$sep$replacement$sep$flags'"
# shellcheck disable=SC2086
git grep -lz "$search" $pathspec | xargs -0"$r" sed -i "s$sep$search$sep$replacement$sep$flags"
fi
do_commit
|
