Mercurial > hg
view tests/test-diff-change.t @ 20836:a8b4541bb961
grep: reuse the first "util.binary()" result for efficiency
Before this patch, to check whether the file in the specified revision
is binary or not, "util.binary()" is invoked via internal function
"binary()" of "hg grep" once per a line of "hg grep" output, even
though binary-ness is not changed in the same file.
This patch reuses the first "util.binary()" invocation result by
annotating internal function "binary()" with "@util.cachefunc".
Performance improvement measured by "hgperf grep -r 88d8e568add1 vfs
mercurial/scmutil.py":
before this patch:
! wall 0.024000 comb 0.015600 user 0.015600 sys 0.000000 (best of 118)
after this patch:
! wall 0.023000 comb 0.015600 user 0.015600 sys 0.000000 (best of 123)
Status of recent(88d8e568add1) "mercurial/scmutil.py":
# of lines: 919 (may affect cost of search)
# of bytes: 29633 (may affect cost of "util.binary()")
# of matches: 22 (may affect frequency of "util.binary()")
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
---|---|
date | Sat, 15 Feb 2014 19:52:36 +0900 |
parents | f2719b387380 |
children | 85f5352c7ca7 |
line wrap: on
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Testing diff --change $ hg init a $ cd a $ echo "first" > file.txt $ hg add file.txt $ hg commit -m 'first commit' # 0 $ echo "second" > file.txt $ hg commit -m 'second commit' # 1 $ echo "third" > file.txt $ hg commit -m 'third commit' # 2 $ hg diff --nodates --change 1 diff -r 4bb65dda5db4 -r e9b286083166 file.txt --- a/file.txt +++ b/file.txt @@ -1,1 +1,1 @@ -first +second $ hg diff --change e9b286083166 diff -r 4bb65dda5db4 -r e9b286083166 file.txt --- a/file.txt Thu Jan 01 00:00:00 1970 +0000 +++ b/file.txt Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +1,1 @@ -first +second Test dumb revspecs (issue3474) $ hg diff -r 2:2 $ hg diff -r "2 and 1" abort: empty revision range [255] Testing diff --change when merge: $ for i in 1 2 3 4 5 6 7 8 9 10; do > echo $i >> file.txt > done $ hg commit -m "lots of text" # 3 $ sed -e 's,^2$,x,' file.txt > file.txt.tmp $ mv file.txt.tmp file.txt $ hg commit -m "change 2 to x" # 4 $ hg up -r 3 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ sed -e 's,^8$,y,' file.txt > file.txt.tmp $ mv file.txt.tmp file.txt $ hg commit -m "change 8 to y" created new head $ hg up -C -r 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg merge -r 5 merging file.txt 0 files updated, 1 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg commit -m "merge 8 to y" # 6 $ hg diff --change 5 diff -r ae119d680c82 -r 9085c5c02e52 file.txt --- a/file.txt Thu Jan 01 00:00:00 1970 +0000 +++ b/file.txt Thu Jan 01 00:00:00 1970 +0000 @@ -6,6 +6,6 @@ 5 6 7 -8 +y 9 10 must be similar to 'hg diff --change 5': $ hg diff -c 6 diff -r 273b50f17c6d -r 979ca961fd2e file.txt --- a/file.txt Thu Jan 01 00:00:00 1970 +0000 +++ b/file.txt Thu Jan 01 00:00:00 1970 +0000 @@ -6,6 +6,6 @@ 5 6 7 -8 +y 9 10 $ cd ..