Guess update information based on GitHub Actions environment variables #1075

srevinsaju · 2020-09-10T08:15:19Z

Reads the GITHUB_REPOSITORY and GITHUB_REF environment variables
and attempts to generate an appropriate updateinformation

Adapted from https://github.com/probonopd/go-appimage/blob/7fab45552eb485c0076fd310835fa7958f981de0/src/appimagetool/appimagetool.go\#L547-L567

Sample run

github@fbfcaab3b211:~/build/out$ export GITHUB_REPOSITORY='probonopd/Zoom.AppImage'
github@fbfcaab3b211:~/build/out$ appimagetool appimagetool.AppDir/ -g             
appimagetool, continuous build (commit 0880085), build <local dev build> built on 2020-09-09 20:44:40 UTC
WARNING: appstreamcli command is missing, please install it if you want to use AppStream metadata
NOTE: Using the output of 'git rev-parse --short HEAD' as the version:
      0880085
      Please set the $VERSION environment variable if this is not intended
Using architecture x86_64
/home/github/build/out/appimagetool.AppDir should be packaged as appimagetool-0880085-x86_64.AppImage
AppStream upstream metadata found in usr/share/metainfo/appimagetool.appdata.xml
Generating squashfs...
Parallel mksquashfs: Using 8 processors
Creating 4.0 filesystem on appimagetool-0880085-x86_64.AppImage, block size 131072.
[========================================================================================/] 19/19 100%

Exportable Squashfs 4.0 filesystem, gzip compressed, data block size 131072
        compressed data, compressed metadata, compressed fragments,
        compressed xattrs, compressed ids
        duplicates are removed
Filesystem size 461.61 Kbytes (0.45 Mbytes)
        39.67% of uncompressed filesystem size (1163.54 Kbytes)
Inode table size 317 bytes (0.31 Kbytes)
        39.33% of uncompressed inode table size (806 bytes)
Directory table size 319 bytes (0.31 Kbytes)
        56.36% of uncompressed directory table size (566 bytes)
Number of duplicate files found 2
Number of inodes 24
Number of files 12
Number of fragments 2
Number of symbolic links  0
Number of device nodes 0
Number of fifo nodes 0
Number of socket nodes 0
Number of directories 12
Number of ids (unique uids + gids) 1
Number of uids 1
        root (0)
Number of gids 1
        root (0)
Embedding ELF...
Marking the AppImage as executable...
Running on GitHub Actions
Guessing update information based on $GITHUB_REPOSITORY=probonopd/Zoom.AppImage and $GITHUB_REF=refs/heads/featureA
gh-releases-zsync|probonopd|Zoom.AppImage|continuous|appimagetool*-x86_64.AppImage.zsync
Embedding MD5 digest
zsyncmake is available and updateinformation is provided, hence generating zsync file
Success

Please consider submitting your AppImage to AppImageHub, the crowd-sourced
central directory of available AppImages, by opening a pull request
at https://github.com/AppImage/appimage.github.io
github@fbfcaab3b211:~/build/out$

srevinsaju · 2020-09-10T08:16:22Z

@probonopd this is my first C lang based PR, so please let me know of corrections

TheAssassin

The idea is okay, but the implementation needs to be improved. I commented on most of the problems. Please fix, I'll re-review then.

src/appimagetool.c

AppImage#1075 (comment)

Reads the GITHUB_REPOSITORY and GITHUB_REF environment variables and attempts to generate an appropriate updateinformation Adapted from https://github.com/probonopd/go-appimage/blob/7fab45552eb485c0076fd310835fa7958f981de0/src/appimagetool/appimagetool.go\#L547-L567

Move travis_ci specific documentation to travis_repo_slug `if` block

AppImage#1075 (comment)

…hub_actions

srevinsaju · 2020-09-10T13:20:37Z

@TheAssassin I guess I fixed the issues which you mentioned. Please review again.

LautaroLobo12

LGTM!

srevinsaju · 2020-10-05T13:43:32Z

@TheAssassin if you have few minutes to spare, could you please review this merge request, so that I can update accordingly? Thanks!!

TheAssassin

Noted the most important problems. Will re-check when those are fixed.

src/appimagetool.c

probonopd · 2020-11-15T11:28:40Z

Hello @srevinsaju do you think you can address the points raised by @TheAssassin and @codewiz above? I'd really like to see this merged for probonopd/Zoom.AppImage#1.

srevinsaju · 2020-11-15T15:15:59Z

I am having my first semester starting from tomorrow 🥶 , apologize for the delay. I would try to finish it as soon as the exams finish 🥇

its growing white 😅

…ateinformation max size

…ant to top of file)

srevinsaju · 2020-11-22T13:57:55Z

This "constant" is irrelevant to the rest of the file. Also, the code doesn't use such a convention anyway.

@TheAssassin so you mean, I should not use a constant? and keep literals, or move the constant a bit more down?

TheAssassin · 2020-11-22T14:07:25Z

A static const int is sufficient.

srevinsaju · 2020-11-22T14:09:09Z

A static const int is sufficient.

At the same position where it is, right?

TheAssassin · 2020-11-22T14:14:29Z

Obviously not. You should place it before the first use.

srevinsaju · 2020-11-22T14:17:11Z

Obviously not. You should place it before the first use.

ok, got it!

we already checked if github_ref was NULL

… instead of defining it globally

…name 'buf'

srevinsaju · 2020-11-22T19:08:07Z

@TheAssassin I hope I fixed all of what you have mentioned above.
This Pull Request was a great opportunity to learn more about C, and how dangerous it can be, if not used properly. Thanks to @codewiz.

This makes me think about using more safer languages like Rust, or at least modern C++.

@TheAssassin kindly review

probonopd · 2020-11-22T19:28:21Z

This makes me think about using more safer languages

Like Golang? Reminds me of probonopd/go-appimage#99 :)

srevinsaju · 2020-11-22T20:14:10Z

Yea GoLang can be considered as a safe language too. I am interested in v2 of GoLang, its more interesting 🚀

If I go by preference of languages:

Rust (new language for me, static binaries, super fast)
GoLang (easy to code, understand, functional)
C++ (20?)

probonopd · 2020-12-19T13:57:07Z

Reference: probonopd/linuxdeployqt#316

yozachar · 2021-04-25T13:34:25Z

Hi, is the PR still maintained? It's says this branch is out-of date with the base, I'd like to see this feature, how can I help? Coming from probonopd/Zoom.AppImage#1

srevinsaju · 2021-04-25T13:35:39Z

Hi, is the PR still maintained? It's says this branch is out-of date with the base, I'd like to see this feature, how can I help?

Updated.

probonopd · 2021-04-25T16:39:33Z

Thanks for updating @srevinsaju.

Hello @TheAssassin

Noted the most important problems. Will re-check when those are fixed.

Would be great if you could re-check if you find the time. I think this would be valuable to get merged soon.

Thanks!

TheAssassin requested changes Sep 10, 2020

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srevinsaju added a commit to srevinsaju/AppImageKit that referenced this pull request Sep 10, 2020

feat: Use snprintf instead of sprintf to avoid potential buffer overflow

63b6e6a

AppImage#1075 (comment)

srevinsaju added 7 commits September 10, 2020 16:18

style: use lower case (snake_case) for variable names

98079b9

docs: Move travis CI specific documentation

62be000

Move travis_ci specific documentation to travis_repo_slug `if` block

fix: Check if github_repository and github_ref variables are not NULL

fafcd41

style: Fix github_actions if code suite indentation

628d171

feat: Use snprintf instead of sprintf to avoid potential buffer overflow

c9b1a26

AppImage#1075 (comment)

fix: add an else block to inform the user of missing zsyncmake in git…

4e7307a

…hub_actions

srevinsaju force-pushed the github-actions branch from 4501e1c to 4e7307a Compare September 10, 2020 13:19

Merge branch 'master' into github-actions

ee24c2b

srevinsaju marked this pull request as ready for review September 10, 2020 13:19

srevinsaju requested a review from TheAssassin September 10, 2020 13:20

LautaroLobo12 reviewed Sep 12, 2020

View reviewed changes

srevinsaju mentioned this pull request Sep 22, 2020

Possibility of delta updates probonopd/Zoom.AppImage#1

Open

TheAssassin requested changes Oct 17, 2020

View reviewed changes

srevinsaju added 5 commits November 22, 2020 14:52

fix: define a constant buffer_size = 1024 and reuse it in setting upd…

fe6f97b

…ateinformation max size

fix: use strcmp for empty string check

42b20c2

fix: explicitly check if return of strstr is NULL pointer

3e39d09

style: follow C conventions of constant naming (Uppercase, move const…

b0d2f01

…ant to top of file)

fix: explicitly check if zsyncmake_path is not NULL

5371a2a

srevinsaju added 4 commits November 22, 2020 17:45

fix: remove an additional check for empty string.

8550ec6

we already checked if github_ref was NULL

style: move update_information_buffer_size to a position prior to use…

0d4bac3

… instead of defining it globally

style: use updateinformation_buffer instead of an ambiguous variable …

27113a8

…name 'buf'

fix: free unused pointers once processing is complete using g_strfreev

6d00122

srevinsaju requested a review from TheAssassin November 22, 2020 19:08

probonopd mentioned this pull request Dec 19, 2020

How to set update information wihtout using travis ci probonopd/linuxdeployqt#316

Open

Merge branch 'master' into github-actions

3e3c3ad

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Guess update information based on GitHub Actions environment variables #1075

Guess update information based on GitHub Actions environment variables #1075

srevinsaju commented Sep 10, 2020

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Guess update information based on GitHub Actions environment variables #1075

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Guess update information based on GitHub Actions environment variables #1075

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