由 git repo 產生 git graph [Jonathan's Wiki 筆記]

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====== 由 git repo 產生 git graph ======
想要產生 git repo 內各分支與 commit 的圖形, 找到一個簡單的產生工具 [[https://github.com/git-big-picture/git-big-picture|git-big-picture]]

===== 安裝程序 =====
  * 安裝環境 : Ubuntu 20.04
    * Python >=3.7
    * Git (1.7.1 works)
    * Graphviz utility
  * 安裝套件 <cli>
sudo apt install git graphviz
sudo pip install git-big-picture
</cli>

===== 使用方式 =====
  * 先將一個 git repo clone 下來 Exp. https://github.com/iii-org/devops-system <cli>
git clone https://github.com/iii-org/devops-system.git
</cli>
  * 看 git-big-picture 命令列參數 <cli>
$ git-big-picture -h
usage: git-big-picture OPTIONS [REPOSITORY]

Visualize Git repositories

positional arguments:
  REPOSITORY            path to the Git working directory
                        (default: current directory)

optional arguments:
  -h, --help            show this help message and exit
  --version             show program's version number and exit
  --pstats FILE         run cProfile profiler writing pstats output to FILE
  -d, --debug           activate debug output

output options:
  Options to control output and format

  -f FMT, --format FMT  set output format [svg, png, ps, pdf, ...]
  --history-direction {downwards,leftwards,rightwards,upwards}
                        enforce a specific direction of history on Graphviz
                        (default: rightwards)
  --simplify            remove edges implied by transitivity using Graphviz
                        filter "tred" (default: do not remove implied edges)
  -g, --graphviz        output lines suitable as input for dot/graphviz
  -G, --no-graphviz     disable dot/graphviz output
  -p, --processed       output the dot processed, binary data
  -P, --no-processed    disable binary output
  -v CMD, --viewer CMD  write image to tempfile and start specified viewer
  -V, --no-viewer       disable starting viewer
  -o FILE, --outfile FILE
                        write image to specified file
  -O, --no-outfile      disable writing image to file
  -w SECONDS, --wait SECONDS
                        wait for SECONDS seconds before deleting the temporary
                        file that is opened using the viewer command (default:
                        2.0 seconds); this helps e.g. with viewer commands that
                        tell other running processes to open that file on their
                        behalf, to then shut themselves down

filter options:
  Options to control commit/ref selection

  -a, --all             include all commits
  -b, --branches        show commits pointed to by branches
  -B, --no-branches     do not show commits pointed to by branches
  -t, --tags            show commits pointed to by tags
  -T, --no-tags         do not show commits pointed to by tags
  -r, --roots           show root commits
  -R, --no-roots        do not show root commits
  -m, --merges          include merge commits
  -M, --no-merges       do not include merge commits
  -i, --bifurcations    include bifurcation commits; a bifurcation commit is a
                        commit that is a parent to more than one other commits,
                        i.e. it marks the point where one or more new branches
                        came to life; bifurcation commits can also be thought of
                        as the counterpart of merge commits
  -I, --no-bifurcations
                        do not include bifurcation commits
  -c, --commit-messages
                        include commit messages on labels
  -C, --no-commit-messages
                        do not include commit messages on labels

git-big-picture is software libre, licensed under the GPL v3 or later license.
Please report bugs at https://github.com/git-big-picture/git-big-picture/issues.  Thank you!
</cli> 
  * 產生簡單的 tag 分支圖(svg 格式) <cli>
git-big-picture --simplify -f svg -o our-project8.svg --history-direction upwards devops-system/
</cli> ++點開看結果|{{:tech:our-project8.png?400|}}++
  * 產生完整的 commit 分支圖(pdf 格式) <cli>
git-big-picture -a -f pdf -o our-project5.pdf --history-direction upwards devops-system/
</cli> 下載看結果{{ :tech:our-project5.pdf |}}


{{tag>devops git}}