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<a href="https://gitlab.rtems.org/sebhub">Sebastian Huber</a>
commented on a
<a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/288#note_114531">discussion</a>:
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<p dir="auto" style="color: #28272d; margin: 0 0 16px;" align="initial">We had the long version for quite a while. In the commit message, there are three issues with the short version:</p>
<ol dir="auto" style="text-align: initial; margin: 0 0 16px; padding: 0;">
<li style="margin-top: 0; line-height: 1.6em; margin-left: 25px; padding-left: 3px;">Existing support code may rely on this.</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">The short hash is generated based on the current repository state. The reported hash should be useful also for future states of the repository</li>
<li style="line-height: 1.6em; margin-left: 25px; padding-left: 3px;">If Git changes the hash algorithm in the future, then the hash length may be used as an indicator for the hash algorithm. With a variable hash length this is more difficult.</li>
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<p dir="auto" style="color: #28272d; margin: 0;" align="initial">For the Git hash change, see <a href="https://git-scm.com/docs/hash-function-transition" rel="nofollow noreferrer noopener" target="_blank" style="margin-top: 0;">https://git-scm.com/docs/hash-function-transition</a>.</p>
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