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rptree

show running process tree and focus it's environ changes.

Compile and run example

➜  rptree git:(master) ✗ mkdir build
➜  rptree git:(master) ✗ cd build
➜  build git:(master) ✗ cmake ..
➜  build git:(master) ✗ make
➜  build git:(master) ✗ ./rptree -- sh ../example/1.sh
script running in ../example/1.sh
timestamp:  2024-10-17 15:47:38
script running in /home/qianfan/debug/port/github-os/rptree/example/2.sh

Running process tree generated by rptree b00cc6295ad8271587b1
0.000 [15607] ./rptree -- sh ../example/1.sh
|.... 0.000 [15608] sh ../example/1.sh
    |.... 0.001 [15609] sh ../example/1.sh
        |.... 0.001 [15610] readlink -f ../example/1.sh
    |.... 0.002 [15609] dirname /home/qianfan/debug/port/github-os/rptree/example/1.sh
    |.... 0.002 [15611] /usr/bin/echo 'script running in ../example/1.sh'
        \+ GLOBAL_ENV=env1
        \+ SELF=../example/1.sh
    |.... 0.003 [15612] sh ../example/1.sh
        |.... 0.003 [15613] date '+%Y-%m-%d %H:%M:%S'
            \+ GLOBAL_ENV=env1
            \+ SELF=../example/1.sh
    |.... 0.004 [15614] /usr/bin/echo 'timestamp: ' '2024-10-17 15:47:38'
        \+ GLOBAL_ENV=env1
        \+ SELF=../example/1.sh
    |.... 0.005 [15615] sleep 5
        \+ GLOBAL_ENV=env1
        \+ SELF=../example/1.sh
    |.... 5.006 [15619] sh /home/qianfan/debug/port/github-os/rptree/example/2.sh
        \+ GLOBAL_ENV=env1
        \+ SELF=../example/1.sh
        |.... 5.007 [15620] /usr/bin/echo 'script running in /home/qianfan/debug/port/github-os/rptree/example/2.sh'
            \- GLOBAL_ENV=env1
            \- SELF=../example/1.sh
            \+ GLOBAL_ENV=env2
            \+ SELF=/home/qianfan/debug/port/github-os/rptree/example/2.sh