subrepo: lazily update git's local tracking branches
This continues the strategy of separation between hg pull and hg update in
git subrepos by only dealing with git's branches on an update. This behavior
tries to cover the bare essentials of the semantics of git pull in the subrepo
when the parent repo does hg pull and hg update.
$ mkdir t
$ cd t
$ hg init
$ mkdir a
$ echo foo > a/a
$ echo bar > a/b
$ hg ci -Am "0"
adding a/a
adding a/b
$ hg co -C 0
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg mv a b
moving a/a to b/a
moving a/b to b/b
$ hg ci -m "1 mv a/ b/"
$ hg co -C 0
2 files updated, 0 files merged, 2 files removed, 0 files unresolved
$ echo baz > a/c
$ echo quux > a/d
$ hg add a/c
$ hg ci -m "2 add a/c"
created new head
$ hg merge --debug 1
searching for copies back to rev 1
unmatched files in local:
a/c
a/d
unmatched files in other:
b/a
b/b
all copies found (* = to merge, ! = divergent):
b/a -> a/a
b/b -> a/b
checking for directory renames
dir a/ -> b/
file a/c -> b/c
file a/d -> b/d
resolving manifests
overwrite None partial False
ancestor f9b20c0d4c51 local ce36d17b18fb+ remote 397f8b00a740
a/d: remote renamed directory to b/d -> d
a/c: remote renamed directory to b/c -> d
a/b: other deleted -> r
a/a: other deleted -> r
b/a: remote created -> g
b/b: remote created -> g
updating: a/a 1/6 files (16.67%)
removing a/a
updating: a/b 2/6 files (33.33%)
removing a/b
updating: a/c 3/6 files (50.00%)
moving a/c to b/c
updating: a/d 4/6 files (66.67%)
moving a/d to b/d
updating: b/a 5/6 files (83.33%)
getting b/a
updating: b/b 6/6 files (100.00%)
getting b/b
4 files updated, 0 files merged, 2 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ echo a/* b/*
a/* b/a b/b b/c b/d
$ hg st -C
M b/a
M b/b
A b/c
a/c
R a/a
R a/b
R a/c
? b/d
$ hg ci -m "3 merge 2+1"
$ hg debugrename b/c
b/c renamed from a/c:354ae8da6e890359ef49ade27b68bbc361f3ca88
$ hg co -C 1
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg merge --debug 2
searching for copies back to rev 1
unmatched files in local:
b/a
b/b
b/d
unmatched files in other:
a/c
all copies found (* = to merge, ! = divergent):
b/a -> a/a
b/b -> a/b
checking for directory renames
dir a/ -> b/
file a/c -> b/c
resolving manifests
overwrite None partial False
ancestor f9b20c0d4c51 local 397f8b00a740+ remote ce36d17b18fb
None: local renamed directory to b/c -> d
updating:None 1/1 files (100.00%)
getting a/c to b/c
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ echo a/* b/*
a/* b/a b/b b/c b/d
$ hg st -C
A b/c
a/c
? b/d
$ hg ci -m "4 merge 1+2"
created new head
$ hg debugrename b/c
b/c renamed from a/c:354ae8da6e890359ef49ade27b68bbc361f3ca88
Second scenario with two repos:
$ cd ..
$ mkdir r1
$ cd r1
$ hg init
$ mkdir a
$ echo foo > a/f
$ hg add a
adding a/f
$ hg ci -m "a/f == foo"
$ cd ..
$ hg clone r1 r2
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd r2
$ hg mv a b
moving a/f to b/f
$ echo foo1 > b/f
$ hg ci -m" a -> b, b/f == foo1"
$ cd ..
$ cd r1
$ mkdir a/aa
$ echo bar > a/aa/g
$ hg add a/aa
adding a/aa/g
$ hg ci -m "a/aa/g"
$ hg pull ../r2
pulling from ../r2
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads' to see heads, 'hg merge' to merge)
$ hg merge
2 files updated, 0 files merged, 1 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg st -C
M b/f
A b/aa/g
a/aa/g
R a/aa/g
R a/f