Parse os-release to identify OS by ID_LIKE field (i.e. make install-dependencies.sh work on Amazon Linux 2023)
#3155
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The /etc/os-release file has evolved over the years, with current documentation being at https://www.freedesktop.org/software/systemd/man/latest/os-release.html Part of this spec is to also look at /usr/lib/os-release as image based Linux distributions that can exist without anything in /etc may put the os-release file there. In the docs, Example 3 shows how to parse this file with shell. We can use that example and look at ID_LIKE to better determine if the OS is a Debian like system, or a Fedora like system, and differentiate between how RHEL / CentOS and friends are like Fedora and how non-RHEL, non-CentOS is also like Fedora. The practical end-outcome of this is that it will now correctly detect Amazon Linux 2023, pick 'dnf' as the package manager, and install the dependencies. Fixes: actions#2511 Signed-off-by: Stewart Smith <trawets@amazon.com>
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After reading the comments in #2511 more closely, this Pull Request probably also fixes the Amazon Linux 2 issue mentioned there, as it has |
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LFG !!! |
sjethvani
approved these changes
Mar 14, 2024
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The /etc/os-release file has evolved over the years, with current documentation being at
https://www.freedesktop.org/software/systemd/man/latest/os-release.html
Part of this spec is to also look at /usr/lib/os-release as image based Linux distributions that can exist without anything in /etc may put the os-release file there.
In the docs, Example 3 shows how to parse this file with shell. We can use that example and look at ID_LIKE to better determine if the OS is a Debian like system, or a Fedora like system, and differentiate between how RHEL / CentOS and friends are like Fedora and how non-RHEL, non-CentOS is also like Fedora.
The practical end-outcome of this is that it will now correctly detect Amazon Linux 2023, pick 'dnf' as the package manager, and install the dependencies.
Fixes: #2511