diff --git a/README.md b/README.md
index d766842..692c4ca 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,7 @@
 * [Commits in Branch1 that are not in Branch2](https://github.com/git-tips/tips#commits-in-branch1-that-are-not-in-branch2)
 * [reuse recorded resolution, record and reuse previous conflicts resolutions.](https://github.com/git-tips/tips#reuse-recorded-resolution-record-and-reuse-previous-conflicts-resolutions)
 * [Open all conflicted files in an editor.](https://github.com/git-tips/tips#open-all-conflicted-files-in-an-editor)
+* [Count unpacked number of objects and their disk consumption.](https://github.com/git-tips/tips#count-unpacked-number-of-objects-and-their-disk-consumption)
 
 <!-- Don’t remove or change the comment below – that can break automatic updates. More info at <http://npm.im/doxie.inject>. -->
 <!-- @doxie.inject end toc -->
@@ -607,7 +608,7 @@ git rebase -i --autosquash
 
 ## skip staging area during commit.
 ```sh
-git commit -am 'commit message'
+git commit -am <commit message>
 ```
 
 ## List ignored files.
@@ -635,5 +636,10 @@ git config --global rerere.enabled 1
 git diff --name-only | uniq | xargs $EDITOR
 ```
 
+## Count unpacked number of objects and their disk consumption.
+```sh
+git count-objects --human-readable
+```
+
 <!-- Don’t remove or change the comment below – that can break automatic updates. More info at <http://npm.im/doxie.inject>. -->
 <!-- @doxie.inject end -->
diff --git a/tips.json b/tips.json
index 03283a2..5e12dcb 100644
--- a/tips.json
+++ b/tips.json
@@ -1,284 +1,287 @@
 [{
-	"title": "Everyday Git in twenty commands or so",
-	"tip": "git help everyday"
+    "title": "Everyday Git in twenty commands or so",
+    "tip": "git help everyday"
 }, {
-	"title": "Show helpful guides that come with Git",
-	"tip": "git help -g"
+    "title": "Show helpful guides that come with Git",
+    "tip": "git help -g"
 }, {
-	"title": "Overwrite pull",
-	"tip": "git fetch --all && git reset --hard origin/master"
+    "title": "Overwrite pull",
+    "tip": "git fetch --all && git reset --hard origin/master"
 }, {
-	"title": "List of all files till a commit",
-	"tip": "git ls-tree --name-only -r <commit-ish>"
+    "title": "List of all files till a commit",
+    "tip": "git ls-tree --name-only -r <commit-ish>"
 }, {
-	"title": "Git reset first commit",
-	"tip": "git update-ref -d HEAD"
+    "title": "Git reset first commit",
+    "tip": "git update-ref -d HEAD"
 }, {
-	"title": "List all the conflicted files",
-	"tip": "git diff --name-only --diff-filter=U"
+    "title": "List all the conflicted files",
+    "tip": "git diff --name-only --diff-filter=U"
 }, {
-	"title": "List of all files changed in a commit",
-	"tip": "git diff-tree --no-commit-id --name-only -r <commit-ish>"
+    "title": "List of all files changed in a commit",
+    "tip": "git diff-tree --no-commit-id --name-only -r <commit-ish>"
 }, {
-	"title": "Unstaged changes since last commit",
-	"tip": "git diff"
+    "title": "Unstaged changes since last commit",
+    "tip": "git diff"
 }, {
-	"title": "Changes staged for commit",
-	"tip": "git diff --cached"
+    "title": "Changes staged for commit",
+    "tip": "git diff --cached"
 }, {
-	"title": "Show both staged and unstaged changes",
-	"tip": "git diff HEAD"
+    "title": "Show both staged and unstaged changes",
+    "tip": "git diff HEAD"
 }, {
-	"title": "List all branches that are already merged into master",
-	"tip": "git checkout master && git branch --merged"
+    "title": "List all branches that are already merged into master",
+    "tip": "git checkout master && git branch --merged"
 }, {
-	"title": "Quickly switch to the previous branch",
-	"tip": "git checkout -"
+    "title": "Quickly switch to the previous branch",
+    "tip": "git checkout -"
 }, {
-	"title": "Remove branches that have already been merged with master",
-	"tip": "git branch --merged | grep -v '\\*' | xargs -n 1 git branch -d"
+    "title": "Remove branches that have already been merged with master",
+    "tip": "git branch --merged | grep -v '\\*' | xargs -n 1 git branch -d"
 }, {
-	"title": "List all branches and their upstreams, as well as last commit on branch",
-	"tip": "git branch -vv"
+    "title": "List all branches and their upstreams, as well as last commit on branch",
+    "tip": "git branch -vv"
 }, {
-	"title": "Track upstream branch",
-	"tip": "git branch -u origin/mybranch"
+    "title": "Track upstream branch",
+    "tip": "git branch -u origin/mybranch"
 }, {
-	"title": "Delete local branch",
-	"tip": "git branch -d <local_branchname>"
+    "title": "Delete local branch",
+    "tip": "git branch -d <local_branchname>"
 }, {
-	"title": "Delete remote branch",
-	"tip": "git push origin --delete <remote_branchname>",
-	"alternatives": ["git push origin :<remote_branchname>"]
+    "title": "Delete remote branch",
+    "tip": "git push origin --delete <remote_branchname>",
+    "alternatives": ["git push origin :<remote_branchname>"]
 }, {
-	"title": "Undo local changes with the last content in head",
-	"tip": "git checkout -- <file_name>"
+    "title": "Undo local changes with the last content in head",
+    "tip": "git checkout -- <file_name>"
 }, {
-	"title": "Revert: Undo a commit by creating a new commit",
-	"tip": "git revert <commit-ish>"
+    "title": "Revert: Undo a commit by creating a new commit",
+    "tip": "git revert <commit-ish>"
 }, {
-	"title": "Reset: Discard commits, advised for private branch",
-	"tip": "git reset <commit-ish>"
+    "title": "Reset: Discard commits, advised for private branch",
+    "tip": "git reset <commit-ish>"
 }, {
-	"title": "Reword the previous commit message",
-	"tip": "git commit -v --amend"
+    "title": "Reword the previous commit message",
+    "tip": "git commit -v --amend"
 }, {
-	"title": "Amend author.",
-	"tip": "git commit --amend --author='Author Name <email@address.com>'"
+    "title": "Amend author.",
+    "tip": "git commit --amend --author='Author Name <email@address.com>'"
 }, {
-	"title": "Reset author, after author has been changed in the global config.",
-	"tip": "git commit --amend --reset-author --no-edit"
+    "title": "Reset author, after author has been changed in the global config.",
+    "tip": "git commit --amend --reset-author --no-edit"
 }, {
-	"title": "Changing a remote's URL",
-	"tip": "git remote set-url origin <URL>"
+    "title": "Changing a remote's URL",
+    "tip": "git remote set-url origin <URL>"
 }, {
-	"title": "Get list of all remote references",
-	"tip": "git remote",
-	"alternatives": ["git remote show"]
+    "title": "Get list of all remote references",
+    "tip": "git remote",
+    "alternatives": ["git remote show"]
 }, {
-	"title": "Get list of all local and remote branches",
-	"tip": "git branch -a"
+    "title": "Get list of all local and remote branches",
+    "tip": "git branch -a"
 }, {
-	"title": "Get only remote branches",
-	"tip": "git branch -r"
+    "title": "Get only remote branches",
+    "tip": "git branch -r"
 }, {
-	"title": "Stage parts of a changed file, instead of the entire file",
-	"tip": "git add -p"
+    "title": "Stage parts of a changed file, instead of the entire file",
+    "tip": "git add -p"
 }, {
-	"title": "Get git bash completion",
-	"tip": "curl http://git.io/vfhol > ~/.git-completion.bash && echo '[ -f ~/.git-completion.bash ] && . ~/.git-completion.bash' >> ~/.bashrc"
+    "title": "Get git bash completion",
+    "tip": "curl http://git.io/vfhol > ~/.git-completion.bash && echo '[ -f ~/.git-completion.bash ] && . ~/.git-completion.bash' >> ~/.bashrc"
 }, {
-	"title": "What changed since two weeks?",
-	"tip": "git whatchanged --since='2 weeks ago'"
+    "title": "What changed since two weeks?",
+    "tip": "git whatchanged --since='2 weeks ago'"
 }, {
-	"title": "See all commits made since forking from master",
-	"tip": "git log --no-merges --stat --reverse master.."
+    "title": "See all commits made since forking from master",
+    "tip": "git log --no-merges --stat --reverse master.."
 }, {
-	"title": "Pick commits across branches using cherry-pick",
-	"tip": "git checkout <branch-name> && cherry-pick <commit-ish>"
+    "title": "Pick commits across branches using cherry-pick",
+    "tip": "git checkout <branch-name> && cherry-pick <commit-ish>"
 }, {
-	"title": "Find out branches containing commit-hash",
-	"tip": "git branch -a --contains <commit-ish>",
-	"alternatives": ["git branch --contains <commit-ish>"]
+    "title": "Find out branches containing commit-hash",
+    "tip": "git branch -a --contains <commit-ish>",
+    "alternatives": ["git branch --contains <commit-ish>"]
 }, {
-	"title": "Git Aliases",
-	"tip": "git config --global alias.<handle> <command> \ngit config --global alias.st status"
+    "title": "Git Aliases",
+    "tip": "git config --global alias.<handle> <command> \ngit config --global alias.st status"
 }, {
-	"title": "Saving current state of tracked files without commiting",
-	"tip": "git stash",
-	"alternatives": ["git stash save"]
+    "title": "Saving current state of tracked files without commiting",
+    "tip": "git stash",
+    "alternatives": ["git stash save"]
 }, {
-	"title": "Saving current state including untracked files",
-	"tip": "git stash save -u",
-	"alternatives": ["git stash save --include-untracked"]
+    "title": "Saving current state including untracked files",
+    "tip": "git stash save -u",
+    "alternatives": ["git stash save --include-untracked"]
 }, {
-	"title": "Show list of all saved stashes",
-	"tip": "git stash list"
+    "title": "Show list of all saved stashes",
+    "tip": "git stash list"
 }, {
-	"title": "Apply any stash without deleting from the stashed list",
-	"tip": "git stash apply <stash@{n}>"
+    "title": "Apply any stash without deleting from the stashed list",
+    "tip": "git stash apply <stash@{n}>"
 }, {
-	"title": "Apply last stashed state and delete it from stashed list",
-	"tip": "git stash pop",
-	"alternatives": ["git stash apply stash@{0} && git stash drop stash@{0}"]
+    "title": "Apply last stashed state and delete it from stashed list",
+    "tip": "git stash pop",
+    "alternatives": ["git stash apply stash@{0} && git stash drop stash@{0}"]
 }, {
-	"title": "Delete all stored stashes",
-	"tip": "git stash clear",
-	"alternatives": ["git stash drop <stash@{n}>"]
+    "title": "Delete all stored stashes",
+    "tip": "git stash clear",
+    "alternatives": ["git stash drop <stash@{n}>"]
 }, {
-	"title": "Grab a single file from a stash",
-	"tip": "git checkout <stash@{n}> -- <file_path>",
-	"alternatives": ["git checkout stash@{0} -- <file_path>"]
+    "title": "Grab a single file from a stash",
+    "tip": "git checkout <stash@{n}> -- <file_path>",
+    "alternatives": ["git checkout stash@{0} -- <file_path>"]
 }, {
-	"title": "Show all tracked files",
-	"tip": "git ls-files -t"
+    "title": "Show all tracked files",
+    "tip": "git ls-files -t"
 }, {
-	"title": "Show all untracked files",
-	"tip": "git ls-files --others"
+    "title": "Show all untracked files",
+    "tip": "git ls-files --others"
 }, {
-	"title": "Show all ignored files",
-	"tip": "git ls-files --others -i --exclude-standard"
+    "title": "Show all ignored files",
+    "tip": "git ls-files --others -i --exclude-standard"
 }, {
-	"title": "Create new working tree from a repository (git 2.5)",
-	"tip": "git worktree add -b <branch-name> <path> <start-point>"
+    "title": "Create new working tree from a repository (git 2.5)",
+    "tip": "git worktree add -b <branch-name> <path> <start-point>"
 }, {
-	"title": "Create new working tree from HEAD state",
-	"tip": "git worktree add --detach <path> HEAD"
+    "title": "Create new working tree from HEAD state",
+    "tip": "git worktree add --detach <path> HEAD"
 }, {
-	"title": "Untrack files without deleting",
-	"tip": "git rm --cached <file_path>",
-	"alternatives": ["git rm --cached -r <directory_path>"]
+    "title": "Untrack files without deleting",
+    "tip": "git rm --cached <file_path>",
+    "alternatives": ["git rm --cached -r <directory_path>"]
 }, {
-	"title": "Before deleting untracked files/directory, do a dry run to get the list of these files/directories",
-	"tip": "git clean -n"
+    "title": "Before deleting untracked files/directory, do a dry run to get the list of these files/directories",
+    "tip": "git clean -n"
 }, {
-	"title": "Forcefully remove untracked files",
-	"tip": "git clean -f"
+    "title": "Forcefully remove untracked files",
+    "tip": "git clean -f"
 }, {
-	"title": "Forcefully remove untracked directory",
-	"tip": "git clean -f -d",
-	"alternatives": ["git clean -df"]
+    "title": "Forcefully remove untracked directory",
+    "tip": "git clean -f -d",
+    "alternatives": ["git clean -df"]
 }, {
-	"title": "Update all the submodules",
-	"tip": "git submodule foreach git pull"
+    "title": "Update all the submodules",
+    "tip": "git submodule foreach git pull"
 }, {
-	"title": "Show all commits in the current branch yet to be merged to master",
-	"tip": "git cherry -v master",
-	"alternatives": ["git cherry -v master <branch-to-be-merged>"]
+    "title": "Show all commits in the current branch yet to be merged to master",
+    "tip": "git cherry -v master",
+    "alternatives": ["git cherry -v master <branch-to-be-merged>"]
 }, {
-	"title": "Rename a branch",
-	"tip": "git branch -m <new-branch-name>",
-	"alternatives": ["git branch -m [<old-branch-name>] <new-branch-name>"]
+    "title": "Rename a branch",
+    "tip": "git branch -m <new-branch-name>",
+    "alternatives": ["git branch -m [<old-branch-name>] <new-branch-name>"]
 }, {
-	"title": "rebases 'feature' to 'master' and merges it in to master ",
-	"tip": "git checkout feature && git rebase @{-1} && git checkout @{-2} && git merge @{-1}"
+    "title": "rebases 'feature' to 'master' and merges it in to master ",
+    "tip": "git checkout feature && git rebase @{-1} && git checkout @{-2} && git merge @{-1}"
 }, {
-	"title": "Archive the `master` branch",
-	"tip": "git archive master --format=zip --output=master.zip"
+    "title": "Archive the `master` branch",
+    "tip": "git archive master --format=zip --output=master.zip"
 }, {
-	"title": "Modify previous commit without modifying the commit message",
-	"tip": "git add --all && git commit --amend --no-edit"
+    "title": "Modify previous commit without modifying the commit message",
+    "tip": "git add --all && git commit --amend --no-edit"
 }, {
-	"title": "Prunes branches that have been deleted in the remote.",
-	"tip": "git fetch -p",
-	"alternatives": ["git remote prune origin"]
+    "title": "Prunes branches that have been deleted in the remote.",
+    "tip": "git fetch -p",
+    "alternatives": ["git remote prune origin"]
 }, {
-	"title": "Retrieve the commit hash of the initial revision.",
-	"tip": " git rev-list --reverse HEAD | head -1"
+    "title": "Retrieve the commit hash of the initial revision.",
+    "tip": " git rev-list --reverse HEAD | head -1"
 }, {
-	"title": "Visualize the version tree.",
-	"tip": "git log --pretty=oneline --graph --decorate --all",
-	"alternatives": ["gitk --all"]
+    "title": "Visualize the version tree.",
+    "tip": "git log --pretty=oneline --graph --decorate --all",
+    "alternatives": ["gitk --all"]
 }, {
-	"title": "Deploying git tracked subfolder to gh-pages",
-	"tip": "git subtree push --prefix subfolder_name origin gh-pages",
-	"alternatives": "git subtree push --prefix subfolder_name origin branch_name"
+    "title": "Deploying git tracked subfolder to gh-pages",
+    "tip": "git subtree push --prefix subfolder_name origin gh-pages",
+    "alternatives": "git subtree push --prefix subfolder_name origin branch_name"
 }, {
-	"title": "Adding a project to repo using subtree",
-	"tip": "git subtree add --prefix=<directory_name>/<project_name> --squash git@github.com:<username>/<project_name>.git master"
+    "title": "Adding a project to repo using subtree",
+    "tip": "git subtree add --prefix=<directory_name>/<project_name> --squash git@github.com:<username>/<project_name>.git master"
 }, {
-	"title": "Get latest changes in your repo for a linked project using subtree",
-	"tip": "git subtree pull --prefix=<directory_name>/<project_name> --squash git@github.com:<username>/<project_name>.git master"
+    "title": "Get latest changes in your repo for a linked project using subtree",
+    "tip": "git subtree pull --prefix=<directory_name>/<project_name> --squash git@github.com:<username>/<project_name>.git master"
 }, {
-	"title": "Export a branch with history to the a file.",
-	"tip": "git bundle create <file> <branch-name>"
+    "title": "Export a branch with history to the a file.",
+    "tip": "git bundle create <file> <branch-name>"
 }, {
-	"title": "Import from a bundle",
-	"tip": "git clone repo.bundle <repo-dir> -b <branch-name>"
+    "title": "Import from a bundle",
+    "tip": "git clone repo.bundle <repo-dir> -b <branch-name>"
 }, {
-	"title": "Get the name of current branch.",
-	"tip": "git rev-parse --abbrev-ref HEAD"
+    "title": "Get the name of current branch.",
+    "tip": "git rev-parse --abbrev-ref HEAD"
 }, {
-	"title": "Ignore one file on commit (e.g. Changelog).",
-	"tip": "git update-index --assume-unchanged Changelog; git commit -a; git update-index --no-assume-unchanged Changelog"
+    "title": "Ignore one file on commit (e.g. Changelog).",
+    "tip": "git update-index --assume-unchanged Changelog; git commit -a; git update-index --no-assume-unchanged Changelog"
 }, {
-	"title": "Stash changes before rebasing",
-	"tip": "git rebase --autostash"
+    "title": "Stash changes before rebasing",
+    "tip": "git rebase --autostash"
 }, {
-	"title": "Fetch pull request by ID to a local branch",
-	"tip": "git fetch origin pull/<id>/head:<branch-name>",
-	"alternatives": ["git pull origin pull/<id>/head:<branch-name>"]
+    "title": "Fetch pull request by ID to a local branch",
+    "tip": "git fetch origin pull/<id>/head:<branch-name>",
+    "alternatives": ["git pull origin pull/<id>/head:<branch-name>"]
 }, {
-	"title": "Show the most recent tag on the current branch.",
-	"tip": "git describe --tags --abbrev=0"
+    "title": "Show the most recent tag on the current branch.",
+    "tip": "git describe --tags --abbrev=0"
 }, {
-	"title": "Show inline word diff.",
-	"tip": "git diff --word-diff"
+    "title": "Show inline word diff.",
+    "tip": "git diff --word-diff"
 }, {
-	"title": "Don’t consider changes for tracked file.",
-	"tip": "git update-index --assume-unchanged <file_name>"
+    "title": "Don’t consider changes for tracked file.",
+    "tip": "git update-index --assume-unchanged <file_name>"
 }, {
-	"title": "Undo assume-unchanged.",
-	"tip": "git update-index --no-assume-unchanged <file_name>"
+    "title": "Undo assume-unchanged.",
+    "tip": "git update-index --no-assume-unchanged <file_name>"
 }, {
-	"title": "Clean the files from `.gitignore`.",
-	"tip": "git clean -X -f"
+    "title": "Clean the files from `.gitignore`.",
+    "tip": "git clean -X -f"
 }, {
-	"title": "Restore deleted file.",
-	"tip": "git checkout <deleting_commit>^ -- <file_path>"
+    "title": "Restore deleted file.",
+    "tip": "git checkout <deleting_commit>^ -- <file_path>"
 }, {
-	"title": "Restore file to a specific commit-hash",
-	"tip": "git checkout <commit-ish> -- <file_path>"
+    "title": "Restore file to a specific commit-hash",
+    "tip": "git checkout <commit-ish> -- <file_path>"
 }, {
-	"title": "Always rebase instead of merge on pull.",
-	"tip": "git config --global branch.autosetuprebase always"
+    "title": "Always rebase instead of merge on pull.",
+    "tip": "git config --global branch.autosetuprebase always"
 }, {
-	"title": "List all the alias and configs.",
-	"tip": "git config --list"
+    "title": "List all the alias and configs.",
+    "tip": "git config --list"
 }, {
-	"title": "Make git case sensitive.",
-	"tip": "git config --global core.ignorecase false"
+    "title": "Make git case sensitive.",
+    "tip": "git config --global core.ignorecase false"
 }, {
-	"title": "Auto correct typos.",
-	"tip": "git config --global help.autocorrect 1"
+    "title": "Auto correct typos.",
+    "tip": "git config --global help.autocorrect 1"
 }, {
-	"title": "Check if the change was a part of a release.",
-	"tip": "git name-rev --name-only <SHA-1>"
+    "title": "Check if the change was a part of a release.",
+    "tip": "git name-rev --name-only <SHA-1>"
 }, {
-	"title": "Dry run. (any command that supports dry-run flag should do.)",
-	"tip": "git clean -fd --dry-run"
+    "title": "Dry run. (any command that supports dry-run flag should do.)",
+    "tip": "git clean -fd --dry-run"
 }, {
-	"title": "Marks your commit as a fix of a previous commit.",
-	"tip": "git commit --fixup <SHA-1>"
+    "title": "Marks your commit as a fix of a previous commit.",
+    "tip": "git commit --fixup <SHA-1>"
 }, {
-	"title": "squash fixup commits normal commits.",
-	"tip": "git rebase -i --autosquash"
+    "title": "squash fixup commits normal commits.",
+    "tip": "git rebase -i --autosquash"
 }, {
-	"title": "skip staging area during commit.",
-	"tip": "git commit -am 'commit message'"
-},{
-	"title": "List ignored files.",
-	"tip": "git check-ignore *"
-},{
-	"title": "Status of ignored files.",
-	"tip": "git status --ignored"
-},{
-	"title": "Commits in Branch1 that are not in Branch2",
-	"tip": "git log Branch1 ^Branch2"
+    "title": "skip staging area during commit.",
+    "tip": "git commit -am <commit message>"
 }, {
-	"title": "reuse recorded resolution, record and reuse previous conflicts resolutions.",
-	"tip":"git config --global rerere.enabled 1"
-},{
-	"title": "Open all conflicted files in an editor.",
-	"tip": "git diff --name-only | uniq | xargs $EDITOR"
+    "title": "List ignored files.",
+    "tip": "git check-ignore *"
+}, {
+    "title": "Status of ignored files.",
+    "tip": "git status --ignored"
+}, {
+    "title": "Commits in Branch1 that are not in Branch2",
+    "tip": "git log Branch1 ^Branch2"
+}, {
+    "title": "reuse recorded resolution, record and reuse previous conflicts resolutions.",
+    "tip":"git config --global rerere.enabled 1"
+}, {
+    "title": "Open all conflicted files in an editor.",
+    "tip": "git diff --name-only | uniq | xargs $EDITOR"
+}, {
+    "title": "Count unpacked number of objects and their disk consumption.",
+    "tip": "git count-objects --human-readable"
 }]