tags-cache: skip the filternode step if we are not going to use it
When warming the hgtagsfnodescache, we don't need the actual result, so we can
simply skip the part that "filter" fnode we read from the cache. So provide a
quite visible speed up to the top level `hg debugupdatecache` function.
### data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog
# benchmark.name = hg.debug.debug-update-cache
# bin-env-vars.hg.flavor = default
# bin-env-vars.hg.py-re2-module = default
# benchmark.variants.pre-state = warm
before: 19.947581
after: 18.916804 (-5.17%, -1.03)
#testcases bdiff xdiff
#if xdiff
#require xdiff
$ cat >> $HGRCPATH <<EOF
> [experimental]
> xdiff = true
> EOF
#endif
$ hg init repo
$ cd repo
$ cat > a.c <<'EOF'
> /*
> * This function returns 1.
> */
> int f() {
> return 1;
> }
> /*
> * This function returns 2.
> */
> int g() {
> return 2;
> }
> /*
> * This function returns 3.
> */
> int h() {
> return 3;
> }
> EOF
$ cat > b.c <<'EOF'
> if (x) {
> do_something();
> }
>
> if (y) {
> do_something_else();
> }
> EOF
$ cat > c.rb <<'EOF'
> #!ruby
> ["foo", "bar", "baz"].map do |i|
> i.upcase
> end
> EOF
$ cat > d.py <<'EOF'
> try:
> import foo
> except ImportError:
> pass
> try:
> import bar
> except ImportError:
> pass
> EOF
The below two files are taken from git: t/t4061-diff-indent.sh
$ cat > spaces.txt <<'EOF'
> 1
> 2
> a
>
> b
> 3
> 4
> EOF
$ cat > functions.c <<'EOF'
> 1
> 2
> /* function */
> foo() {
> foo
> }
>
> 3
> 4
> EOF
$ hg commit -m 1 -A . -q
$ cat > a.c <<'EOF'
> /*
> * This function returns 1.
> */
> int f() {
> return 1;
> }
> /*
> * This function returns 3.
> */
> int h() {
> return 3;
> }
> EOF
$ cat > b.c <<'EOF'
> if (x) {
> do_something();
> }
>
> if (y) {
> do_another_thing();
> }
>
> if (y) {
> do_something_else();
> }
> EOF
$ cat > c.rb <<'EOF'
> #!ruby
> ["foo", "bar", "baz"].map do |i|
> i
> end
> ["foo", "bar", "baz"].map do |i|
> i.upcase
> end
> EOF
$ cat > d.py <<'EOF'
> try:
> import foo
> except ImportError:
> pass
> try:
> import baz
> except ImportError:
> pass
> try:
> import bar
> except ImportError:
> pass
> EOF
$ cat > spaces.txt <<'EOF'
> 1
> 2
> a
>
> b
> a
>
> b
> 3
> 4
> EOF
$ cat > functions.c <<'EOF'
> 1
> 2
> /* function */
> bar() {
> foo
> }
>
> /* function */
> foo() {
> foo
> }
>
> 3
> 4
> EOF
#if xdiff
$ hg diff --git
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -4,12 +4,6 @@
int f() {
return 1;
}
-/*
- * This function returns 2.
- */
-int g() {
- return 2;
-}
/*
* This function returns 3.
*/
diff --git a/b.c b/b.c
--- a/b.c
+++ b/b.c
@@ -2,6 +2,10 @@
do_something();
}
+if (y) {
+ do_another_thing();
+}
+
if (y) {
do_something_else();
}
diff --git a/c.rb b/c.rb
--- a/c.rb
+++ b/c.rb
@@ -1,4 +1,7 @@
#!ruby
+["foo", "bar", "baz"].map do |i|
+ i
+end
["foo", "bar", "baz"].map do |i|
i.upcase
end
diff --git a/d.py b/d.py
--- a/d.py
+++ b/d.py
@@ -2,6 +2,10 @@
import foo
except ImportError:
pass
+try:
+ import baz
+except ImportError:
+ pass
try:
import bar
except ImportError:
diff --git a/functions.c b/functions.c
--- a/functions.c
+++ b/functions.c
@@ -1,5 +1,10 @@
1
2
+/* function */
+bar() {
+ foo
+}
+
/* function */
foo() {
foo
diff --git a/spaces.txt b/spaces.txt
--- a/spaces.txt
+++ b/spaces.txt
@@ -2,6 +2,9 @@
2
a
+b
+a
+
b
3
4
#else
$ hg diff --git
diff --git a/a.c b/a.c
--- a/a.c
+++ b/a.c
@@ -5,12 +5,6 @@
return 1;
}
/*
- * This function returns 2.
- */
-int g() {
- return 2;
-}
-/*
* This function returns 3.
*/
int h() {
diff --git a/b.c b/b.c
--- a/b.c
+++ b/b.c
@@ -3,5 +3,9 @@
}
if (y) {
+ do_another_thing();
+}
+
+if (y) {
do_something_else();
}
diff --git a/c.rb b/c.rb
--- a/c.rb
+++ b/c.rb
@@ -1,4 +1,7 @@
#!ruby
["foo", "bar", "baz"].map do |i|
+ i
+end
+["foo", "bar", "baz"].map do |i|
i.upcase
end
diff --git a/d.py b/d.py
--- a/d.py
+++ b/d.py
@@ -3,6 +3,10 @@
except ImportError:
pass
try:
+ import baz
+except ImportError:
+ pass
+try:
import bar
except ImportError:
pass
diff --git a/functions.c b/functions.c
--- a/functions.c
+++ b/functions.c
@@ -1,6 +1,11 @@
1
2
/* function */
+bar() {
+ foo
+}
+
+/* function */
foo() {
foo
}
diff --git a/spaces.txt b/spaces.txt
--- a/spaces.txt
+++ b/spaces.txt
@@ -3,5 +3,8 @@
a
b
+a
+
+b
3
4
#endif