testlib: add a small scrip to help process to synchronise using file
Creating and waiting for files is a robust way to synchronise two processes
running concurrently. We already use this approach in various tests. I am adding
a official script to do so before adding more usage of this.
Differential Revision: https://phab.mercurial-scm.org/D8189
$ . "$TESTDIR/narrow-library.sh"
$ hg init master
$ cd master
$ cat >> .hg/hgrc <<EOF
> [narrow]
> serveellipses=True
> EOF
$ mkdir dir
$ mkdir dir/src
$ cd dir/src
$ for x in `$TESTDIR/seq.py 20`; do echo $x > "f$x"; hg add "f$x"; hg commit -m "Commit src $x"; done
$ cd ..
$ mkdir tests
$ cd tests
$ for x in `$TESTDIR/seq.py 20`; do echo $x > "t$x"; hg add "t$x"; hg commit -m "Commit test $x"; done
$ cd ../../..
Only path: and rootfilesin: pattern prefixes are allowed
$ hg clone --narrow ssh://user@dummy/master badnarrow --noupdate --include 'glob:**'
abort: invalid prefix on narrow pattern: glob:**
(narrow patterns must begin with one of the following: path:, rootfilesin:)
[255]
$ hg clone --narrow ssh://user@dummy/master badnarrow --noupdate --exclude 'set:ignored'
abort: invalid prefix on narrow pattern: set:ignored
(narrow patterns must begin with one of the following: path:, rootfilesin:)
[255]
narrow clone a file, f10
$ hg clone --narrow ssh://user@dummy/master narrow --noupdate --include "dir/src/f10"
requesting all changes
adding changesets
adding manifests
adding file changes
added 3 changesets with 1 changes to 1 files
new changesets *:* (glob)
$ cd narrow
$ cat .hg/requires | grep -v generaldelta
dotencode
fncache
narrowhg-experimental
revlogv1
sparserevlog
store
testonly-simplestore (reposimplestore !)
$ hg tracked
I path:dir/src/f10
$ hg tracked
I path:dir/src/f10
$ hg update
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ find * | sort
dir
dir/src
dir/src/f10
$ cat dir/src/f10
10
$ cd ..
BUG: local-to-local narrow clones should work, but don't.
$ hg clone --narrow master narrow-via-localpeer --noupdate --include "dir/src/f10"
requesting all changes
abort: server does not support narrow clones
[255]
$ hg tracked -R narrow-via-localpeer
abort: repository narrow-via-localpeer not found!
[255]
$ rm -Rf narrow-via-localpeer
narrow clone with a newline should fail
$ hg clone --narrow ssh://user@dummy/master narrow_fail --noupdate --include 'dir/src/f10
> '
abort: newlines are not allowed in narrowspec paths
[255]
narrow clone a directory, tests/, except tests/t19
$ hg clone --narrow ssh://user@dummy/master narrowdir --noupdate --include "dir/tests/" --exclude "dir/tests/t19"
requesting all changes
adding changesets
adding manifests
adding file changes
added 21 changesets with 19 changes to 19 files
new changesets *:* (glob)
$ cd narrowdir
$ hg tracked
I path:dir/tests
X path:dir/tests/t19
$ hg tracked
I path:dir/tests
X path:dir/tests/t19
$ hg update
19 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ find * | sort
dir
dir/tests
dir/tests/t1
dir/tests/t10
dir/tests/t11
dir/tests/t12
dir/tests/t13
dir/tests/t14
dir/tests/t15
dir/tests/t16
dir/tests/t17
dir/tests/t18
dir/tests/t2
dir/tests/t20
dir/tests/t3
dir/tests/t4
dir/tests/t5
dir/tests/t6
dir/tests/t7
dir/tests/t8
dir/tests/t9
$ cd ..
narrow clone everything but a directory (tests/)
$ hg clone --narrow ssh://user@dummy/master narrowroot --noupdate --exclude "dir/tests"
requesting all changes
adding changesets
adding manifests
adding file changes
added 21 changesets with 20 changes to 20 files
new changesets *:* (glob)
$ cd narrowroot
$ hg tracked
I path:.
X path:dir/tests
$ hg tracked
I path:.
X path:dir/tests
$ hg update
20 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ find * | sort
dir
dir/src
dir/src/f1
dir/src/f10
dir/src/f11
dir/src/f12
dir/src/f13
dir/src/f14
dir/src/f15
dir/src/f16
dir/src/f17
dir/src/f18
dir/src/f19
dir/src/f2
dir/src/f20
dir/src/f3
dir/src/f4
dir/src/f5
dir/src/f6
dir/src/f7
dir/src/f8
dir/src/f9
$ cd ..
narrow clone no paths at all
$ hg clone --narrow ssh://user@dummy/master narrowempty --noupdate
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files
new changesets * (glob)
$ cd narrowempty
$ hg tracked
$ hg update
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ ls
$ cd ..
simple clone
$ hg clone ssh://user@dummy/master simpleclone
requesting all changes
adding changesets
adding manifests
adding file changes
added 40 changesets with 40 changes to 40 files
new changesets * (glob)
updating to branch default
40 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd simpleclone
$ find * | sort
dir
dir/src
dir/src/f1
dir/src/f10
dir/src/f11
dir/src/f12
dir/src/f13
dir/src/f14
dir/src/f15
dir/src/f16
dir/src/f17
dir/src/f18
dir/src/f19
dir/src/f2
dir/src/f20
dir/src/f3
dir/src/f4
dir/src/f5
dir/src/f6
dir/src/f7
dir/src/f8
dir/src/f9
dir/tests
dir/tests/t1
dir/tests/t10
dir/tests/t11
dir/tests/t12
dir/tests/t13
dir/tests/t14
dir/tests/t15
dir/tests/t16
dir/tests/t17
dir/tests/t18
dir/tests/t19
dir/tests/t2
dir/tests/t20
dir/tests/t3
dir/tests/t4
dir/tests/t5
dir/tests/t6
dir/tests/t7
dir/tests/t8
dir/tests/t9
$ cd ..
Testing the --narrowspec flag to clone
$ cat >> narrowspecs <<EOF
> %include foo
> [include]
> path:dir/tests/
> path:dir/src/f12
> EOF
$ hg clone ssh://user@dummy/master specfile --narrowspec narrowspecs
reading narrowspec from '$TESTTMP/narrowspecs'
abort: cannot specify other files using '%include' in narrowspec
[255]
$ cat > narrowspecs <<EOF
> [include]
> path:dir/tests/
> path:dir/src/f12
> EOF
$ hg clone ssh://user@dummy/master specfile --narrowspec narrowspecs
reading narrowspec from '$TESTTMP/narrowspecs'
requesting all changes
adding changesets
adding manifests
adding file changes
added 23 changesets with 21 changes to 21 files
new changesets c13e3773edb4:26ce255d5b5d
updating to branch default
21 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ cd specfile
$ hg tracked
I path:dir/src/f12
I path:dir/tests
$ cd ..
Narrow spec with invalid patterns is rejected
$ cat > narrowspecs <<EOF
> [include]
> glob:**
> EOF
$ hg clone ssh://user@dummy/master badspecfile --narrowspec narrowspecs
reading narrowspec from '$TESTTMP/narrowspecs'
abort: invalid prefix on narrow pattern: glob:**
(narrow patterns must begin with one of the following: path:, rootfilesin:)
[255]