Renaming one script and removing the original commands.txt file
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201
commands.txt
201
commands.txt
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Setup
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bash ~/eibhear_org/scripts/gitDemo.sh
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bash ~/eibhear_org/Version1/TechTalks/merge-setup.sh
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gpg2 --generate-key
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git config --global gpg.program gpg2
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Slide: Configuration
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git config --list
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cd ~/tmp/DeepDive1
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git config --local --list
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git config --global --list
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git config --system --list
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git config --global user.name "Éibhear Ó hAnluain"
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git config --global user.email "eibhear.ohanluain@version1.com"
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git config -e
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# Slide
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Slide: fetch and merge, not pull
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cd ~/tmp/gitDemo/javaBootcampNoEclipse.dev1
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git fetch --prune
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# Slide
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git branch -va
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# Slide
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Slide: Merging approaches: fast-forward
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cd ~/tmp/DeepDive1
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git checkout master
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git log --decorate --graph --oneline --all
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git merge Rel1
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# Slide
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git log --decorate --graph --oneline --all
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# Slide
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Slide: Merging approaches: merging strategies
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cd ~/tmp/DeepDive1
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git checkout master
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git merge Rel2
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git log --decorate --graph --oneline --all
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# Slide
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Slide: Merging approaches: Rebase
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bash ~/eibhear_org/Version1/TechTalks/merge-setup.sh
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cd ~/tmp/DeepDive1
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git checkout master
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git log --decorate --graph --oneline --all
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git merge Rel1
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git log --decorate --graph --oneline --all
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git checkout Rel2
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git rebase master
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# Slide
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git log --decorate --graph --oneline --all
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# Slide
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Slide: refs
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bash ~/eibhear_org/Version1/TechTalks/merge-setup.sh
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cd ~/tmp/DeepDive1
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ls -l .git/refs/heads/
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cat .git/refs/heads/Rel2
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# Slide
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git tag Rel1.0 Rel1
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cat .git/refs/heads/Rel1
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cat .git/refs/tags/Rel1.0
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cat .git/HEAD
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# Slide
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cd ~/tmp/gitDemo/javaBootcampNoEclipse.dev1
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ls -l .git/refs/remotes/origin/
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cat .git/packed-refs
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# Slide
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Slide: Annotated tags
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cd ~/tmp/DeepDive1
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cat .git/refs/tags/Rel1.0
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git cat-file -t $(cat .git/refs/tags/Rel1.0)
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git cat-file -p $(cat .git/refs/tags/Rel1.0)
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# Slide
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git tag -a -m "Formal release of 1.0" Rel1.0.prod Rel1
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cat .git/refs/tags/Rel1.0.prod
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git cat-file -t $(cat .git/refs/tags/Rel1.0.prod)
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git cat-file -p $(cat .git/refs/tags/Rel1.0.prod)
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# Slide
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Slide: blame
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git blame information.md
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git checkout Rel1
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git blame information.md
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git merge Rel2
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git blame information.md
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# Slide
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Slide: Tag and commit signing
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gpg --list-secret-keys
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git checkout master
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# Edit information.md
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git commit -a -Seibhear.ohanluain@version1.com -m "Update to information.md"
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git cat-file -p master
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git tag -s -u eibhear.ohanluain@version1.com -m "Release 2." Rel2.0 Rel2
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git cat-file -p Rel2.0
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# Slide
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git tag -v Rel2.0
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git log --show-signature -1
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# Slide
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Slide: Git Objects -- blobs
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cat ~/.bash_history | git hash-object --stdin
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# Slide
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Slide: Git Objects -- trees
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cd ~/tmp/gitDemo/javaBootcampNoEclipse.dev1
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cat .git/refs/heads/master
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git cat-file -p <treeObject>
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# Slide
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Slide: Git Objects -- commits
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cd ~/tmp/DeepDive1
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git log --graph --all --decorate --oneline
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git cat-file -p HEAD
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git cat-file -p <objectId>
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# Slide
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Slide: Git Objects -- tags
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git cat-file --batch-check='%(objecttype) %(objectname) %(objectsize)' --batch-all-objects | grep tag
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git cat-file -p <tagObject>
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# Slide
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Slide: "Content Addressable Filesystem"
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git rev-list --all --objects
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git cat-file -p <blobObject>
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git cat-file -p <blobObject> | git hash-object --stdin
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ls -l .git/objects/...
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# Slide
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Slide: The reflog
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git reflog
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git reflog expire --expire=now --expire-unreachable=now --verbose --all
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git reflog
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# Slide
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Slide: fsck and gc
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git fsck
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git gc
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# Slide
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Slide: Useful commands
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bash ~/eibhear_org/Version1/TechTalks/largeFile-setup.sh
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cd ~/tmp/DeepDive1
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git cat-file --batch-check='%(objecttype) %(objectname) %(objectsize)' --batch-all-objects | sed -n 's/^blob //p' | sort -n --key=2
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git rev-list --objects --all | grep <blobID>
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git log --follow -- "largeInformation.md"
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# Slide
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Slide: Permanently removing a file from your git db [1/2]
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for tag in $(git tag)
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do
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echo "${tag},$(git log --format="%H,\"%cn\",\"%ci\",\"%s\"" ${tag} | head -1)"
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done | tee ../tag_list.csv
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for branch in $(git branch -r | grep -v HEAD | sed 's/\ \ origin\///')
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do
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git checkout ${branch}
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done
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for branch in $(git branch | sed 's/^..//')
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do
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git checkout -q ${branch}
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du -sk . | sed "s/\./${branch}/"
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done | tee ../branch_sizes.out
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# Slide
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git checkout Rel1
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# Slide
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git filter-branch --tree-filter 'rm -f largeInformation.md' --prune-empty HEAD
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# Slide
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git for-each-ref --format="%(refname)" refs/original/ | xargs -n 1 git update-ref -d
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# Slide
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for branch in Rel2 Rel3 Rel4 master
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do
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git checkout ${branch}
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git filter-branch --tree-filter 'rm -f largeInformation.md' --prune-empty HEAD
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git for-each-ref --format="%(refname)" refs/original/ | xargs -n 1 git update-ref -d
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done | tee ../cleanup.out
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# Slide
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git reflog expire --expire-unreachable=now --all
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# Slide
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git gc --prune=now
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# Slide
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git fsck --unreachable --no-reflogs
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# Slide
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for branch in $(git branch | sed 's/^..//')
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do
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git checkout -q ${branch}
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du -sk . | sed "s/\./${branch}/"
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done | tee ../branch_sizes_post_process.out
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# Slide
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# End
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