Converted migration steps into bash scripts.
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jochan
parent
e6435972f2
commit
6fbbf693f4
38
hg2git.cf
38
hg2git.cf
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@ -2,17 +2,17 @@
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git clone --depth=1 --branch=master https://github.com/frej/fast-export.git <fast-export>
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curl "http://repo1.maven.org/maven2/com/madgag/bfg/1.12.15/bfg-1.12.15.jar" -o <bfg-repo-cleaner>/bfg.jar
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cp {authors.py,users.csv} <authors>
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mkdir <target>
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mkdir <git-target>
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# TO CREATE A GIT REPO AT <target> FROM <source>
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cd <source>
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hg log | grep user: | sort | uniq | sed "s/user: *//" > <target>/authors.txt
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cd <target>
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# TO CREATE A GIT REPO AT <git-target> FROM <hg-source>
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cd <hg-source>
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hg log | grep user: | sort | uniq | sed "s/user: *//" > <git-target>/authors.txt
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cd <git-target>
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python <authors>/authors.py
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cp <fast-export>/* .
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git init
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git config core.ignoreCase false
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sh hg-fast-export.sh -r <source> --force -A reformatted-authors.txt
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./hg-fast-export.sh -r <hg-source> --force -A reformatted-authors.txt
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git config --bool core.bare true
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# WARNING !!!
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@ -22,15 +22,15 @@ git config --bool core.bare true
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# TO CLEAN UP LARGE FILES
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git gc
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java -jar <bfg-repo-cleaner>/bfg.jar --strip-blobs-bigger-than <size> <target> # <size> == ~40M
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java -jar <bfg-repo-cleaner>/bfg.jar --strip-blobs-bigger-than <size> <git-target> # <size> == ~40M
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git reflog expire --expire=now --all
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git gc --prune=now --aggressive
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# TO DELETE ALL CLOSED BRANCHES
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cd <source>
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hg heads --closed --template "{branch}\n" | tr " " "_" | sort > <target>/all.log
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hg heads --template "{branch}\n" | tr " " "_" | sort > <target>/open.log
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cd <target>
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cd <hg-source>
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hg heads --closed --template "{branch}\n" | tr " " "_" | sort > <git-target>/all.log
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hg heads --template "{branch}\n" | tr " " "_" | sort > <git-target>/open.log
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cd <git-target>
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comm -2 -3 all.log open.log > closed.log
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for branch in `cat closed.log`; do git tag "closed/$branch" $branch; git branch -df $branch; done
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@ -43,19 +43,25 @@ for file in `cat hgignore-files.log`; do
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sed -i.bak "s/syntax:/#syntax:/; s/^\^//; s/\$$//; s/\\\w\+/*/; s/\\\\\//\//g" $newfile; # optional
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done
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cat gitignore-files.log | xargs git add
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git clean -df && git commit -m "Added gitignore files" && git push
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git clean -df && git commit -m "Added gitignore files"
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# CLEANUP
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rm -rfi * # removes everything except dotfiles!!!
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# OTHER TASKS
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* cloning non-bare mirror repo with all branches:
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git clone --mirror <target> <target-clone>/.git
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cd <target-clone>
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git clone --mirror <git-target> <git-target-clone>/.git
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cd <git-target-clone>
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git config --local --bool core.bare false
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git checkout master
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* cloning repo with a specific <branch>:
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git clone -b <branch> --single-branch <target> <target-clone>
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git clone -b <branch> --single-branch <git-target> <git-target-clone>
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* serving git repo
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git daemon --base-path=. --export-all --reuseaddr --informative-errors --verbose
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* URL: git://10.0.33.167/
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* convert bare repo to non-bare
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git config --bool core.bare true
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git config --bool core.bare false
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git checkout master -f
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# NOTES
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rm -rf com.visiercorp.vserver-git-bfg && git clone --mirror com.visiercorp.vserver-git com.visiercorp.vserver-git-bfg/.git && cd com.visiercorp.vserver-git-bfg && git gc && java -jar ../hg-git-migration/bfg.jar --strip-blobs-bigger-than 40M . && git reflog expire --expire=now --all && git gc --prune=now --aggressive
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@ -0,0 +1,42 @@
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#!/bin/bash
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unset source
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unset target
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unset authors
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unset fast_export
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source=$1
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target=$2
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authors=$3
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fast_export=$4
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if [[ -z $source ]] || [[ -z $target ]] || [[ -z $authors ]] || [[ -z $fast_export ]]; then
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echo "Some paths have not been set. Please provide all of the following: <source> <target> <authors> <fast_export>"
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exit 1
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fi
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echo "Downloading hg-fast-export..."
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rm -rf $fast_export
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git clone --depth=1 --branch=master https://github.com/frej/fast-export.git $fast_export
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echo "Copying authors.py and users.csv..."
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mkdir -p $authors && cp {authors.py,users.csv} $authors
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echo "Creating a list of authors from existing repository users..."
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mkdir -p $target
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cd $source
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hg log | grep user: | sort | uniq | sed "s/user: *//" > $target/authors.txt
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cd $target
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python $authors/authors.py
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echo "Starting export with hg-fast-export..."
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cp $fast_export/* .
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git init
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git config core.ignoreCase false
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./hg-fast-export.sh -r $source --force -A reformatted-authors.txt
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git config --bool core.bare true
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echo "All done! If you want to update this Git repository from the Hg repository, DO NOT DELETE ANY FILES FROM $target!!"
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echo "To update this Git repository, run the hg2git_update.sh script."
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echo "If you are absolutely sure you won't need to update this Git repository again, run the hg2git_clean.sh script to clean everything up."
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echo "This script will strip large files, tag and delete closed branches, create .gitignore files, and delete temporary files."
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@ -0,0 +1,42 @@
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#!/bin/bash
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unset source
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unset target
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unset bfg_cleaner
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source=$1
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target=$2
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bfg_cleaner=$3
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if [[ -z $source ]] || [[ -z $target ]] || [[ -z $bfg_cleaner ]]; then
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echo "Some paths have not been set. Please provide all of the following: <source> <target> <bfg_cleaner>"
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exit 1
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fi
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echo "Stripping out large files with BFG Repo-Cleaner..."
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mkdir -p $bfg_cleaner
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curl "http://repo1.maven.org/maven2/com/madgag/bfg/1.12.15/bfg-1.12.15.jar" -o $bfg_cleaner/bfg.jar
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java -jar $bfg_cleaner/bfg.jar --strip-blobs-bigger-than 40M $target
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git reflog expire --expire=now --all
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git gc --prune=now --aggressive
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echo "Tagging and deleting closed branches..."
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cd $source
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hg heads --closed --template "{branch}\n" | tr " " "_" | sort > $target/all.log
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hg heads --template "{branch}\n" | tr " " "_" | sort > $target/open.log
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cd $target
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comm -2 -3 all.log open.log > closed.log
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for branch in `cat closed.log`; do git tag "closed/$branch" $branch; git branch -df $branch; done
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# TODO: Loop this for each open branch
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echo "Creating .gitignore files from .hgignore files..."
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find . -name ".hgignore" > hgignore-files.log
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touch gitignore-files.log
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for file in `cat hgignore-files.log`; do
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newfile=${file/hgignore/gitignore};
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echo $newfile >> gitignore-files.log
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cp $file $newfile;
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sed -i.bak "s/syntax:/#syntax:/; s/^\^//; s/\$$//; s/\\\w\+/*/; s/\\\\\//\//g" $newfile;
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done
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echo "All done! This Git repository is now ready to be pushed after the .gitignore files have been committed to the desired branches."
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@ -0,0 +1,14 @@
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#!/bin/bash
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unset source
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unset target
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source=$1
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target=$2
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if [[ -z $source ]] || [[ -z $target ]]; then
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echo "Please provide the paths to the original Hg repository and the Git repository you wish to update!"
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exit 1
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fi
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cd $target
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./hg-fast-export.sh -r $source --force -A reformatted-authors.txt
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