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.
# Test the plumbing of mq.git option
# Automatic upgrade itself is tested elsewhere.
$ cat <<EOF >> $HGRCPATH
> [extensions]
> mq =
> [diff]
> nodates = 1
> EOF
$ hg init repo-auto
$ cd repo-auto
git=auto: regular patch creation:
$ echo a > a
$ hg add a
$ hg qnew -d '0 0' -f adda
$ cat .hg/patches/adda
# HG changeset patch
# Date 0 0
# Parent 0000000000000000000000000000000000000000
diff -r 000000000000 -r ef8dafc9fa4c a
--- /dev/null
+++ b/a
@@ -0,0 +1,1 @@
+a
git=auto: git patch creation with copy:
$ hg cp a b
$ hg qnew -d '0 0' -f copy
$ cat .hg/patches/copy
# HG changeset patch
# Date 0 0
# Parent ef8dafc9fa4caff80f6e243eb0171bcd60c455b4
diff --git a/a b/b
copy from a
copy to b
git=auto: git patch when using --git:
$ echo regular > regular
$ hg add regular
$ hg qnew -d '0 0' --git -f git
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 99586d5f048c399e20f81cee41fbb3809c0e735d
diff --git a/regular b/regular
new file mode 100644
--- /dev/null
+++ b/regular
@@ -0,0 +1,1 @@
+regular
git=auto: regular patch after qrefresh without --git:
$ hg qrefresh -d '0 0'
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 99586d5f048c399e20f81cee41fbb3809c0e735d
diff -r 99586d5f048c regular
--- /dev/null
+++ b/regular
@@ -0,0 +1,1 @@
+regular
$ cd ..
$ hg init repo-keep
$ cd repo-keep
$ echo '[mq]' > .hg/hgrc
$ echo 'git = KEEP' >> .hg/hgrc
git=keep: git patch with --git:
$ echo a > a
$ hg add a
$ hg qnew -d '0 0' -f --git git
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 0000000000000000000000000000000000000000
diff --git a/a b/a
new file mode 100644
--- /dev/null
+++ b/a
@@ -0,0 +1,1 @@
+a
git=keep: git patch after qrefresh without --git:
$ echo a >> a
$ hg qrefresh -d '0 0'
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 0000000000000000000000000000000000000000
diff --git a/a b/a
new file mode 100644
--- /dev/null
+++ b/a
@@ -0,0 +1,2 @@
+a
+a
$ cd ..
$ hg init repo-yes
$ cd repo-yes
$ echo '[mq]' > .hg/hgrc
$ echo 'git = yes' >> .hg/hgrc
git=yes: git patch:
$ echo a > a
$ hg add a
$ hg qnew -d '0 0' -f git
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 0000000000000000000000000000000000000000
diff --git a/a b/a
new file mode 100644
--- /dev/null
+++ b/a
@@ -0,0 +1,1 @@
+a
git=yes: git patch after qrefresh:
$ echo a >> a
$ hg qrefresh -d '0 0'
$ cat .hg/patches/git
# HG changeset patch
# Date 0 0
# Parent 0000000000000000000000000000000000000000
diff --git a/a b/a
new file mode 100644
--- /dev/null
+++ b/a
@@ -0,0 +1,2 @@
+a
+a
$ cd ..
$ hg init repo-no
$ cd repo-no
$ echo '[diff]' > .hg/hgrc
$ echo 'git = True' >> .hg/hgrc
$ echo '[mq]' > .hg/hgrc
$ echo 'git = False' >> .hg/hgrc
git=no: regular patch with copy:
$ echo a > a
$ hg add a
$ hg qnew -d '0 0' -f adda
$ hg cp a b
$ hg qnew -d '0 0' -f regular
$ cat .hg/patches/regular
# HG changeset patch
# Date 0 0
# Parent ef8dafc9fa4caff80f6e243eb0171bcd60c455b4
diff -r ef8dafc9fa4c -r a70404f79ba3 b
--- /dev/null
+++ b/b
@@ -0,0 +1,1 @@
+a
git=no: regular patch after qrefresh with copy:
$ hg cp a c
$ hg qrefresh -d '0 0'
$ cat .hg/patches/regular
# HG changeset patch
# Date 0 0
# Parent ef8dafc9fa4caff80f6e243eb0171bcd60c455b4
diff -r ef8dafc9fa4c b
--- /dev/null
+++ b/b
@@ -0,0 +1,1 @@
+a
diff -r ef8dafc9fa4c c
--- /dev/null
+++ b/c
@@ -0,0 +1,1 @@
+a
$ cd ..