# "author" or "committer
set_ident () {
- lid="$(echo "$1" | tr "A-Z" "a-z")"
- uid="$(echo "$1" | tr "a-z" "A-Z")"
+ lid="$(echo "$1" | tr "[A-Z]" "[a-z]")"
+ uid="$(echo "$1" | tr "[a-z]" "[A-Z]")"
pick_id_script='
/^'$lid' /{
s/'\''/'\''\\'\'\''/g
force=
while :
do
- test $# = 0 && usage
case "$1" in
--)
shift
workdir="$(pwd)" ||
die ""
+# Remove tempdir on exit
+trap 'cd ../..; rm -rf "$tempdir"' 0
+
# Make sure refs/original is empty
git for-each-ref > "$tempdir"/backup-refs
while read sha1 type name
GIT_WORK_TREE=.
export GIT_DIR GIT_WORK_TREE
-# These refs should be updated if their heads were rewritten
-
-git rev-parse --revs-only --symbolic "$@" |
-while read ref
-do
- # normalize ref
- case "$ref" in
- HEAD)
- ref="$(git symbolic-ref "$ref")"
- ;;
- refs/*)
- ;;
- *)
- ref="$(git for-each-ref --format='%(refname)' |
- grep /"$ref")"
- esac
-
- git check-ref-format "$ref" && echo "$ref"
-done > "$tempdir"/heads
+# The refs should be updated if their heads were rewritten
+git rev-parse --no-flags --revs-only --symbolic-full-name --default HEAD "$@" |
+sed -e '/^^/d' >"$tempdir"/heads
test -s "$tempdir"/heads ||
die "Which ref do you want to rewrite?"
;;
*)
git rev-list --reverse --topo-order --default HEAD \
- --parents --full-history "$@" -- "$filter_subdir"
+ --parents "$@" -- "$filter_subdir"
esac > ../revs || die "Could not get the commits"
commits=$(wc -l <../revs | tr -d " ")
git read-tree -i -m $commit
;;
*)
- git read-tree -i -m $commit:"$filter_subdir"
+ # The commit may not have the subdirectory at all
+ err=$(git read-tree -i -m $commit:"$filter_subdir" 2>&1) || {
+ if ! git rev-parse --verify $commit:"$filter_subdir" 2>/dev/null
+ then
+ rm -f "$GIT_INDEX_FILE"
+ else
+ echo >&2 "$err"
+ false
+ fi
+ }
esac || die "Could not initialize the index"
GIT_COMMIT=$commit
die "Could not checkout the index"
# files that $commit removed are now still in the working tree;
# remove them, else they would be added again
- git ls-files -z --others | xargs -0 rm -f
+ git clean -d -q -f -x
eval "$filter_tree" < /dev/null ||
die "tree filter failed: $filter_tree"
- git diff-index -r $commit | cut -f 2- | tr '\012' '\000' | \
- xargs -0 git update-index --add --replace --remove
- git ls-files -z --others | \
- xargs -0 git update-index --add --replace --remove
+ (
+ git diff-index -r --name-only $commit
+ git ls-files --others
+ ) |
+ git update-index --add --replace --remove --stdin
fi
eval "$filter_index" < /dev/null ||
sed -e '1,/^$/d' <../commit | \
eval "$filter_msg" > ../message ||
die "msg filter failed: $filter_msg"
- sh -c "$filter_commit" "git commit-tree" \
+ @SHELL_PATH@ -c "$filter_commit" "git commit-tree" \
$(git write-tree) $parentstr < ../message > ../map/$commit
done <../revs
cd ../..
rm -rf "$tempdir"
+trap - 0
+
unset GIT_DIR GIT_WORK_TREE GIT_INDEX_FILE
test -z "$ORIG_GIT_DIR" || GIT_DIR="$ORIG_GIT_DIR" && export GIT_DIR
test -z "$ORIG_GIT_WORK_TREE" || GIT_WORK_TREE="$ORIG_GIT_WORK_TREE" &&