Display correct `HEAD detached` text in `git status`

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
78/100
Issue type
Bug
Clarity
Clearly specified
Activity status
Active
Tech stack
cpp, git
Domain
cli

Research direction

Start from the status subcommand's branch-name output, where it prints On branch HEAD for a detached HEAD. Check whether libgit2 reports the detached state at that point, then print HEAD detached at <short sha> in red, matching the git status output quoted in the issue. Done when git2cpp status after git checkout HEAD~1 shows that line and the clean-tree message is unchanged.

Written by the indexing model from the issue text.

Description

bug

If we have a detached HEAD situation, such as after a git checkout HEAD~1, the git2cpp status result is:

$ git2cpp status
On branch HEAD
Nothing to commit, working tree clean

Using git the output is more explicit:

$ git status
HEAD detached at 79e894b
Nothing to commit, working tree clean

and the HEAD detached at is red.

Dominant language
C++
Stars
7
Forks
5
Avg merge
2d 12h
Merged PRs (30d)
10

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