tree_timewarp was calling read, egrep, and rm in an O(N) loop where N is
the number of changed files between two trees. This caused a bottleneck
when seeking/switching/merging between trees with many changed files.
Signed-off-by: Jeff King <peff@xxxxxxxx>
---
This is a repost of the initial patch featuring a few cleanups suggested
by Junio.
cg-Xlib | 9 +++------
1 files changed, 3 insertions(+), 6 deletions(-)
5f79b37a0eb85ff4f643e70a7f2823e68e9d9ca4
diff --git a/cg-Xlib b/cg-Xlib
index 5896df7..1a9bd4f 100644
--- a/cg-Xlib
+++ b/cg-Xlib
@@ -363,12 +363,9 @@ tree_timewarp()
# Kill gone files
git-diff-tree -r "$base" "$branch" |
- while IFS=$'\t' read header file; do
- # match ":100755 000000 14d43b1abf... 000000000... D"
- if echo "$header" | egrep "^:([^ ][^ ]* ){4}D" >/dev/null; then
- rm -- "$file"
- fi
- done
+ # match ":100755 000000 14d43b1abf... 000000000... D"
+ sed -ne 's/^:[^\t]* D\t//p' |
+ xargs rm -f --
git-checkout-index -u -f -a
# FIXME: Can produce bogus "contains only garbage" messages.
--
1.2.4
-
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