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* Merge branch 'sg/lock-file-commit-error'Junio C Hamano2015-12-11
| | | | | | | Cosmetic improvement to lock-file error messages. * sg/lock-file-commit-error: Make error message after failing commit_lock_file() less confusing
* refs: break out ref conflict checksDavid Turner2015-11-20
| | | | | | | | | | | | | | Create new function find_descendant_ref, to hold one of the ref conflict checks used in verify_refname_available. Multiple backends will need this function, so move it to the common code. Also move rename_ref_available to the common code, because alternate backends might need it and it has no files-backend-specific code. Signed-off-by: David Turner <dturner@twopensource.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Jeff King <peff@peff.net>
* files_log_ref_write: new functionDavid Turner2015-11-20
| | | | | | | | | | | | | | Because HEAD and stash are per-worktree, every refs backend needs to go through the files backend to write these refs. So create a new function, files_log_ref_write, and add it to refs/refs-internal.h. Later, we will use this to handle reflog updates for per-worktree symbolic refs (HEAD). Signed-off-by: David Turner <dturner@twopensource.com> Signed-off-by: Junio C Hamano <gitster@pobox.com> Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Jeff King <peff@peff.net>
* refs: split filesystem-based refs code into a new fileMichael Haggerty2015-11-20
As another step in the move to pluggable reference backends, move the code that is specific to the filesystem-based reference backend (i.e., the current system of storing references as loose and packed files) into a separate file, refs/files-backend.c. Aside from a tiny bit of file header boilerplate, this commit only moves a subset of the code verbatim from refs.c to the new file, as can easily be verified using patience diff: git diff --patience $commit^:refs.c $commit:refs.c git diff --patience $commit^:refs.c $commit:refs/files-backend.c Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Jeff King <peff@peff.net>