undo-files: cleanup backup when cleaning undos
Previously, the backups were left behind, by operation cleaning the undo's like
strip, narrow and stream clone.
The remaining elevant in the room is the transaction itself, who does not
properly cleanup undo backup before copying the new ones.
$ echo "[extensions]" >> $HGRCPATH
$ echo "mq=" >> $HGRCPATH
$ hg init a
$ cd a
$ echo 'base' > base
$ hg ci -Ambase
adding base
$ hg qnew -mmqbase mqbase
$ hg qrename mqbase renamed
$ mkdir .hg/patches/foo
$ hg qrename renamed foo
$ hg qseries
foo/renamed
$ ls .hg/patches/foo
renamed
$ mkdir .hg/patches/bar
$ hg qrename foo/renamed bar
$ hg qseries
bar/renamed
$ ls .hg/patches/bar
renamed
$ hg qrename bar/renamed baz
$ hg qseries
baz
$ ls .hg/patches/baz
.hg/patches/baz
$ hg qrename baz new/dir
$ hg qseries
new/dir
$ ls .hg/patches/new/dir
.hg/patches/new/dir
$ cd ..
Test patch being renamed before committed:
$ hg init b
$ cd b
$ hg qinit -c
$ hg qnew x
$ hg qrename y
$ hg qcommit -m rename
$ cd ..
Test overlapping renames (issue2388)
$ hg init c
$ cd c
$ hg qinit -c
$ echo a > a
$ hg add
adding a
$ hg qnew patcha
$ echo b > b
$ hg add
adding b
$ hg qnew patchb
$ hg ci --mq -m c1
$ hg qrename patchb patchc
$ hg qrename patcha patchb
$ hg st --mq
M patchb
M series
A patchc
R patcha
$ cd ..
Test renames with mq repo (issue2097)
$ hg init issue2097
$ cd issue2097
$ hg qnew p0
$ (cd .hg/patches && hg init)
$ hg qren p0 p1
$ hg debugstate --mq
$ hg ci --mq -mq0
nothing changed
[1]
$ cd ..
Test renaming to a folded patch (issue3058)
$ hg init issue3058
$ cd issue3058
$ hg init --mq
$ echo a > a
$ hg add a
$ hg qnew adda
$ echo b >> a
$ hg qnew addb
$ hg qpop
popping addb
now at: adda
$ hg ci --mq -m "save mq"
$ hg qfold addb
$ hg qmv addb
$ cat .hg/patches/addb
# HG changeset patch
# Parent 0000000000000000000000000000000000000000
diff -r 000000000000 a
--- /dev/null * (glob)
+++ b/a * (glob)
@@ -0,0 +1,2 @@
+a
+b
$ cd ..