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hg2git/hg2git.cf

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CFEngine3

# PREP WORK
git clone --depth=1 --branch=master https://github.com/frej/fast-export.git <fast-export>
curl "http://repo1.maven.org/maven2/com/madgag/bfg/1.12.15/bfg-1.12.15.jar" -o <bfg-repo-cleaner>/bfg.jar
cp {authors.py,users.csv} <authors>
mkdir <git-target>
# TO CREATE A GIT REPO AT <git-target> FROM <hg-source>
cd <hg-source>
hg log | grep user: | sort | uniq | sed "s/user: *//" > <git-target>/authors.txt
cd <git-target>
python <authors>/authors.py
cp <fast-export>/* .
git init
git config core.ignoreCase false
./hg-fast-export.sh -r <hg-source> --force -A reformatted-authors.txt
git config --bool core.bare true
# WARNING !!!
# -----------
# RUNNING HG-FAST-EXPORT AFTER THE FOLLOWING HAVE BEEN DONE IS DIFFICULT.
# DO NOT EXECUTE ANY OF THE FOLLOWING UNTIL YOU ARE SURE GIT NO LONGER NEEDS TO SYNC WITH HG!!
# TO CLEAN UP LARGE FILES
git gc
java -jar <bfg-repo-cleaner>/bfg.jar --strip-blobs-bigger-than <size> <git-target> # <size> == ~40M
git reflog expire --expire=now --all
git gc --prune=now --aggressive
# TO DELETE ALL CLOSED BRANCHES
cd <hg-source>
hg heads --closed --template "{branch}\n" | tr " " "_" | sort > <git-target>/all.log
hg heads --template "{branch}\n" | tr " " "_" | sort > <git-target>/open.log
cd <git-target>
comm -2 -3 all.log open.log > closed.log
for branch in `cat closed.log`; do git tag "closed/$branch" $branch; git branch -df $branch; done
# TO CONVERT HGIGNORE TO GITIGNORE (do this on a non-bare clone)
find . -name ".hgignore" > hgignore-files.log
for file in `cat hgignore-files.log`; do
newfile=${file/hgignore/gitignore};
echo $newfile >> gitignore-files.log
cp $file $newfile;
sed -i.bak "s/syntax:/#syntax:/; s/^\^//; s/\$$//; s/\\\w\+/*/; s/\\\\\//\//g" $newfile; # optional
done
cat gitignore-files.log | xargs git add
git clean -df && git commit -m "Added gitignore files"
# CLEANUP
rm -rfi * # removes everything except dotfiles!!!
# OTHER TASKS
* cloning non-bare mirror repo with all branches:
git clone --mirror <git-target> <git-target-clone>/.git
cd <git-target-clone>
git config --local --bool core.bare false
git checkout master
* cloning repo with a specific <branch>:
git clone -b <branch> --single-branch <git-target> <git-target-clone>
* serving git repo
git daemon --base-path=. --export-all --reuseaddr --informative-errors --verbose
* URL: git://10.0.33.167/
* convert bare repo to non-bare
git config --bool core.bare false
git checkout master -f