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convert: add a mode where mercurial_sink skips empty revisions....
convert: add a mode where mercurial_sink skips empty revisions. The getchanges function of some converter_source classes can return some false positives. I.e. they sometimes claim that a file "foo" was changed in some revision, even though its contents are still the same. convert_svn is particularly bad, but I think this can also happen with convert_cvs and, at least in theory, with mercurial_source. For regular conversions this is not really a problem - as long as getfile returns the right contents, we'll get a converted revision with the right contents. But when we use --filemap, this could lead to superfluous revisions being converted. Instead of fixing every converter_source, I decided to change mercurial_sink to work around this problem. When --filemap is used, we're interested only in revisions that touch some specific files. If a revision doesn't change any of these files, then we're not interested in it (at least for revisions with a single parent; merges are special). For mercurial_sink, we abuse this property and rollback a commit if the manifest text hasn't changed. This avoids duplicating the logic from localrepo.filecommit to detect unchanged files.
Alexis S. L. Carvalho - - Load All Authors

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test-init
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#!/bin/sh
# This test tries to exercise the ssh functionality with a dummy script
cat <<EOF > dummyssh
import sys
import os
os.chdir(os.path.dirname(sys.argv[0]))
if sys.argv[1] != "user@dummy":
sys.exit(-1)
if not os.path.exists("dummyssh"):
sys.exit(-1)
log = open("dummylog", "ab")
log.write("Got arguments")
for i, arg in enumerate(sys.argv[1:]):
log.write(" %d:%s" % (i+1, arg))
log.write("\n")
log.close()
r = os.system(sys.argv[2])
sys.exit(bool(r))
EOF
checknewrepo()
{
name=$1
if [ -d $name/.hg/store ]; then
echo store created
fi
if [ -f $name/.hg/00changelog.i ]; then
echo 00changelog.i created
fi
cat $name/.hg/requires
}
echo "# creating 'local'"
hg init local
checknewrepo local
echo this > local/foo
hg ci --cwd local -A -m "init" -d "1000000 0"
echo "# creating repo with old format"
hg --config format.usestore=false init old
checknewrepo old
echo "#test failure"
hg init local
echo "# init+push to remote2"
hg init -e "python ./dummyssh" ssh://user@dummy/remote2
hg incoming -R remote2 local
hg push -R local -e "python ./dummyssh" ssh://user@dummy/remote2
echo "# clone to remote1"
hg clone -e "python ./dummyssh" local ssh://user@dummy/remote1
echo "# init to existing repo"
hg init -e "python ./dummyssh" ssh://user@dummy/remote1
echo "# clone to existing repo"
hg clone -e "python ./dummyssh" local ssh://user@dummy/remote1
echo "# output of dummyssh"
cat dummylog
echo "# comparing repositories"
hg tip -q -R local
hg tip -q -R remote1
hg tip -q -R remote2
echo "# check names for repositories (clashes with URL schemes, special chars)"
for i in bundle file hg http https old-http ssh static-http " " "with space"; do
echo "# hg init \"$i\""
hg init "$i"
test -d "$i" -a -d "$i/.hg" && echo "ok" || echo "failed"
done