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programmatically check git for new versions if then pull

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1

I have a digitalocean droplet running nginx to serve my html files and redirecting urls to a backend with a rest-api.

When I want to update the frontend or backend on the server, I have this tedious process of ssh'ing into it, pulling either backend or frontend, if frontend then build and restarting services. I am looking for a way to somehow automatize some steps or all of it. Is there any technologies that could help?

git github server pull

share|improve this question

edited Mar 26 at 12:26

Jonas Grønbek

asked Mar 26 at 12:19

Jonas GrønbekJonas Grønbek

42711 silver badge1212 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  As @NewEyes suggested in their (deleted) answer, this is the sort of thing you could automate with a simple shell script and standard tools like cron (which can run a script at a specified interval). We're not going to write it for you, but if you try yourself and run into problems we can probably help out.
  
  – larsks
  Mar 26 at 14:13
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  stackoverflow.com/search?q=%5Bgit%5D+hook+push+to+deploy
  
  – phd
  Mar 26 at 14:36
  

  
  
  
  

add a comment | 

1

I have a digitalocean droplet running nginx to serve my html files and redirecting urls to a backend with a rest-api.

When I want to update the frontend or backend on the server, I have this tedious process of ssh'ing into it, pulling either backend or frontend, if frontend then build and restarting services. I am looking for a way to somehow automatize some steps or all of it. Is there any technologies that could help?

git github server pull

share|improve this question

edited Mar 26 at 12:26

Jonas Grønbek

asked Mar 26 at 12:19

Jonas GrønbekJonas Grønbek

42711 silver badge1212 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  As @NewEyes suggested in their (deleted) answer, this is the sort of thing you could automate with a simple shell script and standard tools like cron (which can run a script at a specified interval). We're not going to write it for you, but if you try yourself and run into problems we can probably help out.
  
  – larsks
  Mar 26 at 14:13
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  stackoverflow.com/search?q=%5Bgit%5D+hook+push+to+deploy
  
  – phd
  Mar 26 at 14:36
  

  
  
  
  

add a comment | 

I have a digitalocean droplet running nginx to serve my html files and redirecting urls to a backend with a rest-api.

When I want to update the frontend or backend on the server, I have this tedious process of ssh'ing into it, pulling either backend or frontend, if frontend then build and restarting services. I am looking for a way to somehow automatize some steps or all of it. Is there any technologies that could help?

git github server pull

share|improve this question

edited Mar 26 at 12:26

Jonas Grønbek

asked Mar 26 at 12:19

Jonas GrønbekJonas Grønbek

42711 silver badge1212 bronze badges

share|improve this question

edited Mar 26 at 12:26

Jonas Grønbek

asked Mar 26 at 12:19

Jonas GrønbekJonas Grønbek

42711 silver badge1212 bronze badges

share|improve this question

edited Mar 26 at 12:26

Jonas Grønbek

asked Mar 26 at 12:19

Jonas GrønbekJonas Grønbek

42711 silver badge1212 bronze badges

asked Mar 26 at 12:19

Jonas GrønbekJonas Grønbek

42711 silver badge1212 bronze badges

asked Mar 26 at 12:19

Jonas GrønbekJonas Grønbek

42711 silver badge1212 bronze badges

1 Answer
1

active

oldest

votes

1

You can write cron script where you can check if origin branch HEAD is different form local branch HEAD:

# check remote head
git ls-remote origin refs/heads/your_branch

#check local head
git rev-parse HEAD

# if remote HEAD is different than local HEAD, then pull

This solution is for one branch only (for exapmle your_branch is master). If you want i can write for you complete script which will check if all your local branches is synchronised with remote branches.
I would like that script in python, but bash is also an option.

BTW

In my opinion auto pull is not a good solution. What if you have uncommited changes? Stash them, and after pulling apply?
What if you have unpublished commit? Are you should do just pure pull or pull with rebase?
With fetching you do not have this kind problems :)
Auto fetching is much better option in my opinion, and if you want just merge changes with your git working directory.
If you consider fetching instead pull (pull is fetch and merge) then locally you should check FETCH_HEAD, but please take into account that FETCH_HEAD is temp.

The other issue is that if your repository have submodules.

share|improve this answer

edited Mar 26 at 14:49

answered Mar 26 at 14:21

Robert PawlakRobert Pawlak

33422 silver badges1919 bronze badges

add a comment | 

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1

You can write cron script where you can check if origin branch HEAD is different form local branch HEAD:

# check remote head
git ls-remote origin refs/heads/your_branch

#check local head
git rev-parse HEAD

# if remote HEAD is different than local HEAD, then pull

This solution is for one branch only (for exapmle your_branch is master). If you want i can write for you complete script which will check if all your local branches is synchronised with remote branches.
I would like that script in python, but bash is also an option.

BTW

In my opinion auto pull is not a good solution. What if you have uncommited changes? Stash them, and after pulling apply?
What if you have unpublished commit? Are you should do just pure pull or pull with rebase?
With fetching you do not have this kind problems :)
Auto fetching is much better option in my opinion, and if you want just merge changes with your git working directory.
If you consider fetching instead pull (pull is fetch and merge) then locally you should check FETCH_HEAD, but please take into account that FETCH_HEAD is temp.

The other issue is that if your repository have submodules.

share|improve this answer

edited Mar 26 at 14:49

answered Mar 26 at 14:21

Robert PawlakRobert Pawlak

33422 silver badges1919 bronze badges

add a comment | 

1

You can write cron script where you can check if origin branch HEAD is different form local branch HEAD:

# check remote head
git ls-remote origin refs/heads/your_branch

#check local head
git rev-parse HEAD

# if remote HEAD is different than local HEAD, then pull

This solution is for one branch only (for exapmle your_branch is master). If you want i can write for you complete script which will check if all your local branches is synchronised with remote branches.
I would like that script in python, but bash is also an option.

BTW

In my opinion auto pull is not a good solution. What if you have uncommited changes? Stash them, and after pulling apply?
What if you have unpublished commit? Are you should do just pure pull or pull with rebase?
With fetching you do not have this kind problems :)
Auto fetching is much better option in my opinion, and if you want just merge changes with your git working directory.
If you consider fetching instead pull (pull is fetch and merge) then locally you should check FETCH_HEAD, but please take into account that FETCH_HEAD is temp.

The other issue is that if your repository have submodules.

share|improve this answer

edited Mar 26 at 14:49

answered Mar 26 at 14:21

Robert PawlakRobert Pawlak

33422 silver badges1919 bronze badges

add a comment | 

You can write cron script where you can check if origin branch HEAD is different form local branch HEAD:

# check remote head
git ls-remote origin refs/heads/your_branch

#check local head
git rev-parse HEAD

# if remote HEAD is different than local HEAD, then pull

This solution is for one branch only (for exapmle your_branch is master). If you want i can write for you complete script which will check if all your local branches is synchronised with remote branches.
I would like that script in python, but bash is also an option.

BTW

In my opinion auto pull is not a good solution. What if you have uncommited changes? Stash them, and after pulling apply?
What if you have unpublished commit? Are you should do just pure pull or pull with rebase?
With fetching you do not have this kind problems :)
Auto fetching is much better option in my opinion, and if you want just merge changes with your git working directory.
If you consider fetching instead pull (pull is fetch and merge) then locally you should check FETCH_HEAD, but please take into account that FETCH_HEAD is temp.

The other issue is that if your repository have submodules.

share|improve this answer

edited Mar 26 at 14:49

answered Mar 26 at 14:21

Robert PawlakRobert Pawlak

33422 silver badges1919 bronze badges

# check remote head
git ls-remote origin refs/heads/your_branch

#check local head
git rev-parse HEAD

# if remote HEAD is different than local HEAD, then pull

share|improve this answer

edited Mar 26 at 14:49

answered Mar 26 at 14:21

Robert PawlakRobert Pawlak

33422 silver badges1919 bronze badges

answered Mar 26 at 14:21

Robert PawlakRobert Pawlak

33422 silver badges1919 bronze badges

answered Mar 26 at 14:21

Robert PawlakRobert Pawlak

33422 silver badges1919 bronze badges