scmutil: add function to help handling workingctx in arithmetic operation
It's unfortunate that workingctx revision is None, which doesn't work well in
arithmetic operation or comparison. This function is trivial but will be used
in several places.
Setup
$ cat <<EOF >> $HGRCPATH
> [color]
> mode = ansi
> [extensions]
> color =
> EOF
$ hg init repo
$ cd repo
$ cat > a <<EOF
> c
> c
> a
> a
> b
> a
> a
> c
> c
> EOF
$ hg ci -Am adda
adding a
$ cat > a <<EOF
> c
> c
> a
> a
> dd
> a
> a
> c
> c
> EOF
default context
$ hg diff --nodates --color=always
\x1b[0;1mdiff -r cf9f4ba66af2 a\x1b[0m (esc)
\x1b[0;31;1m--- a/a\x1b[0m (esc)
\x1b[0;32;1m+++ b/a\x1b[0m (esc)
\x1b[0;35m@@ -2,7 +2,7 @@\x1b[0m (esc)
c
a
a
\x1b[0;31m-b\x1b[0m (esc)
\x1b[0;32m+dd\x1b[0m (esc)
a
a
c
--unified=2
$ hg diff --nodates -U 2 --color=always
\x1b[0;1mdiff -r cf9f4ba66af2 a\x1b[0m (esc)
\x1b[0;31;1m--- a/a\x1b[0m (esc)
\x1b[0;32;1m+++ b/a\x1b[0m (esc)
\x1b[0;35m@@ -3,5 +3,5 @@\x1b[0m (esc)
a
a
\x1b[0;31m-b\x1b[0m (esc)
\x1b[0;32m+dd\x1b[0m (esc)
a
a
diffstat
$ hg diff --stat --color=always
a | 2 \x1b[0;32m+\x1b[0m\x1b[0;31m-\x1b[0m (esc)
1 files changed, 1 insertions(+), 1 deletions(-)
$ cat <<EOF >> $HGRCPATH
> record =
> [ui]
> interactive = true
> [diff]
> git = True
> EOF
#if execbit
record
$ chmod +x a
$ hg record --color=always -m moda a <<EOF
> y
> y
> EOF
\x1b[0;1mdiff --git a/a b/a\x1b[0m (esc)
\x1b[0;36;1mold mode 100644\x1b[0m (esc)
\x1b[0;36;1mnew mode 100755\x1b[0m (esc)
1 hunks, 1 lines changed
\x1b[0;33mexamine changes to 'a'? [Ynesfdaq?]\x1b[0m y (esc)
\x1b[0;35m@@ -2,7 +2,7 @@\x1b[0m (esc)
c
a
a
\x1b[0;31m-b\x1b[0m (esc)
\x1b[0;32m+dd\x1b[0m (esc)
a
a
c
\x1b[0;33mrecord this change to 'a'? [Ynesfdaq?]\x1b[0m y (esc)
$ echo "[extensions]" >> $HGRCPATH
$ echo "mq=" >> $HGRCPATH
$ hg rollback
repository tip rolled back to revision 0 (undo commit)
working directory now based on revision 0
qrecord
$ hg qrecord --color=always -m moda patch <<EOF
> y
> y
> EOF
\x1b[0;1mdiff --git a/a b/a\x1b[0m (esc)
\x1b[0;36;1mold mode 100644\x1b[0m (esc)
\x1b[0;36;1mnew mode 100755\x1b[0m (esc)
1 hunks, 1 lines changed
\x1b[0;33mexamine changes to 'a'? [Ynesfdaq?]\x1b[0m y (esc)
\x1b[0;35m@@ -2,7 +2,7 @@\x1b[0m (esc)
c
a
a
\x1b[0;31m-b\x1b[0m (esc)
\x1b[0;32m+dd\x1b[0m (esc)
a
a
c
\x1b[0;33mrecord this change to 'a'? [Ynesfdaq?]\x1b[0m y (esc)
$ hg qpop -a
popping patch
patch queue now empty
#endif
issue3712: test colorization of subrepo diff
$ hg init sub
$ echo b > sub/b
$ hg -R sub commit -Am 'create sub'
adding b
$ echo 'sub = sub' > .hgsub
$ hg add .hgsub
$ hg commit -m 'add subrepo sub'
$ echo aa >> a
$ echo bb >> sub/b
$ hg diff --color=always -S
\x1b[0;1mdiff --git a/a b/a\x1b[0m (esc)
\x1b[0;31;1m--- a/a\x1b[0m (esc)
\x1b[0;32;1m+++ b/a\x1b[0m (esc)
\x1b[0;35m@@ -7,3 +7,4 @@\x1b[0m (esc)
a
c
c
\x1b[0;32m+aa\x1b[0m (esc)
\x1b[0;1mdiff --git a/sub/b b/sub/b\x1b[0m (esc)
\x1b[0;31;1m--- a/sub/b\x1b[0m (esc)
\x1b[0;32;1m+++ b/sub/b\x1b[0m (esc)
\x1b[0;35m@@ -1,1 +1,2 @@\x1b[0m (esc)
b
\x1b[0;32m+bb\x1b[0m (esc)
test tabs
$ cat >> a <<EOF
> one tab
> two tabs
> end tab
> mid tab
> all tabs
> EOF
$ hg diff --nodates --color=always
\x1b[0;1mdiff --git a/a b/a\x1b[0m (esc)
\x1b[0;31;1m--- a/a\x1b[0m (esc)
\x1b[0;32;1m+++ b/a\x1b[0m (esc)
\x1b[0;35m@@ -7,3 +7,9 @@\x1b[0m (esc)
a
c
c
\x1b[0;32m+aa\x1b[0m (esc)
\x1b[0;32m+\x1b[0m \x1b[0;32mone tab\x1b[0m (esc)
\x1b[0;32m+\x1b[0m \x1b[0;32mtwo tabs\x1b[0m (esc)
\x1b[0;32m+end tab\x1b[0m\x1b[0;1;41m \x1b[0m (esc)
\x1b[0;32m+mid\x1b[0m \x1b[0;32mtab\x1b[0m (esc)
\x1b[0;32m+\x1b[0m \x1b[0;32mall\x1b[0m \x1b[0;32mtabs\x1b[0m\x1b[0;1;41m \x1b[0m (esc)
$ echo "[color]" >> $HGRCPATH
$ echo "diff.tab = bold magenta" >> $HGRCPATH
$ hg diff --nodates --color=always
\x1b[0;1mdiff --git a/a b/a\x1b[0m (esc)
\x1b[0;31;1m--- a/a\x1b[0m (esc)
\x1b[0;32;1m+++ b/a\x1b[0m (esc)
\x1b[0;35m@@ -7,3 +7,9 @@\x1b[0m (esc)
a
c
c
\x1b[0;32m+aa\x1b[0m (esc)
\x1b[0;32m+\x1b[0m\x1b[0;1;35m \x1b[0m\x1b[0;32mone tab\x1b[0m (esc)
\x1b[0;32m+\x1b[0m\x1b[0;1;35m \x1b[0m\x1b[0;32mtwo tabs\x1b[0m (esc)
\x1b[0;32m+end tab\x1b[0m\x1b[0;1;41m \x1b[0m (esc)
\x1b[0;32m+mid\x1b[0m\x1b[0;1;35m \x1b[0m\x1b[0;32mtab\x1b[0m (esc)
\x1b[0;32m+\x1b[0m\x1b[0;1;35m \x1b[0m\x1b[0;32mall\x1b[0m\x1b[0;1;35m \x1b[0m\x1b[0;32mtabs\x1b[0m\x1b[0;1;41m \x1b[0m (esc)
$ cd ..