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support reftable ref database #1059
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@hanwen feel free to work on it. Thanks! |
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status update: https://github.com/google/reftable has an implementation for the format. |
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I've started talks with libgit2 and git-core folks, see https://public-inbox.org/git/xmqq4kx4z8n3.fsf@gitster-ct.c.googlers.com/ and libgit2/libgit2#5352 (comment) My plan is to relicense the library to be GPLv2 with a linking exception, ie. the library that libgit2 uses. I think this should make integrating with go-git feasible. Can you confirm importing github.com/google/reftable is OK with you from a license perspective. thanks! |
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@mcuadros ping? |
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Reftable is a new format for storing the ref database. It provides the following benefits: * Simple and fast atomic ref transactions, including multiple refs and reflogs. * Compact storage of ref data. * Fast look ups of ref data. * Case-sensitive ref names on Windows/OSX, regardless of file system * Eliminates file/directory conflicts in ref names Further context and motivation can be found in background reading: * Spec: https://github.com/eclipse/jgit/blob/master/Documentation/technical/reftable.md * Original discussion on JGit-dev: https://www.eclipse.org/lists/jgit-dev/msg03389.html * First design discussion on git@vger: https://public-inbox.org/git/CAJo=hJtTp2eA3z9wW9cHo-nA7kK40vVThqh6inXpbCcqfdMP9g@mail.gmail.com/ * Last design discussion on git@vger: https://public-inbox.org/git/CAJo=hJsZcAM9sipdVr7TMD-FD2V2W6_pvMQ791EGCDsDkQ033w@mail.gmail.com/ * First attempt at implementation: https://public-inbox.org/git/CAP8UFD0PPZSjBnxCA7ez91vBuatcHKQ+JUWvTD1iHcXzPBjPBg@mail.gmail.com/ * libgit2 support issue: https://github.com/libgit2/libgit2/issues * GitLab support issue: https://gitlab.com/gitlab-org/git/issues/6 * go-git support issue: src-d/go-git#1059 Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Change-Id: Id396ff42be8b42b9e11f194a32e2f95b8250c109
hanwen
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Reftable is a new format for storing the ref database. It provides the following benefits: * Simple and fast atomic ref transactions, including multiple refs and reflogs. * Compact storage of ref data. * Fast look ups of ref data. * Case-sensitive ref names on Windows/OSX, regardless of file system * Eliminates file/directory conflicts in ref names Further context and motivation can be found in background reading: * Spec: https://github.com/eclipse/jgit/blob/master/Documentation/technical/reftable.md * Original discussion on JGit-dev: https://www.eclipse.org/lists/jgit-dev/msg03389.html * First design discussion on git@vger: https://public-inbox.org/git/CAJo=hJtTp2eA3z9wW9cHo-nA7kK40vVThqh6inXpbCcqfdMP9g@mail.gmail.com/ * Last design discussion on git@vger: https://public-inbox.org/git/CAJo=hJsZcAM9sipdVr7TMD-FD2V2W6_pvMQ791EGCDsDkQ033w@mail.gmail.com/ * First attempt at implementation: https://public-inbox.org/git/CAP8UFD0PPZSjBnxCA7ez91vBuatcHKQ+JUWvTD1iHcXzPBjPBg@mail.gmail.com/ * libgit2 support issue: https://github.com/libgit2/libgit2/issues * GitLab support issue: https://gitlab.com/gitlab-org/git/issues/6 * go-git support issue: src-d/go-git#1059 Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
gitster
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Reftable is a new format for storing the ref database. It provides the following benefits: * Simple and fast atomic ref transactions, including multiple refs and reflogs. * Compact storage of ref data. * Fast look ups of ref data. * Case-sensitive ref names on Windows/OSX, regardless of file system * Eliminates file/directory conflicts in ref names Further context and motivation can be found in background reading: * Spec: https://github.com/eclipse/jgit/blob/master/Documentation/technical/reftable.md * Original discussion on JGit-dev: https://www.eclipse.org/lists/jgit-dev/msg03389.html * First design discussion on git@vger: https://public-inbox.org/git/CAJo=hJtTp2eA3z9wW9cHo-nA7kK40vVThqh6inXpbCcqfdMP9g@mail.gmail.com/ * Last design discussion on git@vger: https://public-inbox.org/git/CAJo=hJsZcAM9sipdVr7TMD-FD2V2W6_pvMQ791EGCDsDkQ033w@mail.gmail.com/ * First attempt at implementation: https://public-inbox.org/git/CAP8UFD0PPZSjBnxCA7ez91vBuatcHKQ+JUWvTD1iHcXzPBjPBg@mail.gmail.com/ * libgit2 support issue: https://github.com/libgit2/libgit2/issues * GitLab support issue: https://gitlab.com/gitlab-org/git/issues/6 * go-git support issue: src-d/go-git#1059 Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
hanwen
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Feb 6, 2020
Reftable is a new format for storing the ref database. It provides the following benefits: * Simple and fast atomic ref transactions, including multiple refs and reflogs. * Compact storage of ref data. * Fast look ups of ref data. * Case-sensitive ref names on Windows/OSX, regardless of file system * Eliminates file/directory conflicts in ref names Further context and motivation can be found in background reading: * Spec: https://github.com/eclipse/jgit/blob/master/Documentation/technical/reftable.md * Original discussion on JGit-dev: https://www.eclipse.org/lists/jgit-dev/msg03389.html * First design discussion on git@vger: https://public-inbox.org/git/CAJo=hJtTp2eA3z9wW9cHo-nA7kK40vVThqh6inXpbCcqfdMP9g@mail.gmail.com/ * Last design discussion on git@vger: https://public-inbox.org/git/CAJo=hJsZcAM9sipdVr7TMD-FD2V2W6_pvMQ791EGCDsDkQ033w@mail.gmail.com/ * First attempt at implementation: https://public-inbox.org/git/CAP8UFD0PPZSjBnxCA7ez91vBuatcHKQ+JUWvTD1iHcXzPBjPBg@mail.gmail.com/ * libgit2 support issue: https://github.com/libgit2/libgit2/issues * GitLab support issue: https://gitlab.com/gitlab-org/git/issues/6 * go-git support issue: src-d/go-git#1059 Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
gitster
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Feb 7, 2020
Reftable is a new format for storing the ref database. It provides the following benefits: * Simple and fast atomic ref transactions, including multiple refs and reflogs. * Compact storage of ref data. * Fast look ups of ref data. * Case-sensitive ref names on Windows/OSX, regardless of file system * Eliminates file/directory conflicts in ref names Further context and motivation can be found in background reading: * Spec: https://github.com/eclipse/jgit/blob/master/Documentation/technical/reftable.md * Original discussion on JGit-dev: https://www.eclipse.org/lists/jgit-dev/msg03389.html * First design discussion on git@vger: https://public-inbox.org/git/CAJo=hJtTp2eA3z9wW9cHo-nA7kK40vVThqh6inXpbCcqfdMP9g@mail.gmail.com/ * Last design discussion on git@vger: https://public-inbox.org/git/CAJo=hJsZcAM9sipdVr7TMD-FD2V2W6_pvMQ791EGCDsDkQ033w@mail.gmail.com/ * First attempt at implementation: https://public-inbox.org/git/CAP8UFD0PPZSjBnxCA7ez91vBuatcHKQ+JUWvTD1iHcXzPBjPBg@mail.gmail.com/ * libgit2 support issue: https://github.com/libgit2/libgit2/issues * GitLab support issue: https://gitlab.com/gitlab-org/git/issues/6 * go-git support issue: src-d/go-git#1059 Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
hanwen
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Feb 10, 2020
Reftable is a new format for storing the ref database. It provides the following benefits: * Simple and fast atomic ref transactions, including multiple refs and reflogs. * Compact storage of ref data. * Fast look ups of ref data. * Case-sensitive ref names on Windows/OSX, regardless of file system * Eliminates file/directory conflicts in ref names Further context and motivation can be found in background reading: * Spec: https://github.com/eclipse/jgit/blob/master/Documentation/technical/reftable.md * Original discussion on JGit-dev: https://www.eclipse.org/lists/jgit-dev/msg03389.html * First design discussion on git@vger: https://public-inbox.org/git/CAJo=hJtTp2eA3z9wW9cHo-nA7kK40vVThqh6inXpbCcqfdMP9g@mail.gmail.com/ * Last design discussion on git@vger: https://public-inbox.org/git/CAJo=hJsZcAM9sipdVr7TMD-FD2V2W6_pvMQ791EGCDsDkQ033w@mail.gmail.com/ * First attempt at implementation: https://public-inbox.org/git/CAP8UFD0PPZSjBnxCA7ez91vBuatcHKQ+JUWvTD1iHcXzPBjPBg@mail.gmail.com/ * libgit2 support issue: https://github.com/libgit2/libgit2/issues * GitLab support issue: https://gitlab.com/gitlab-org/git/issues/6 * go-git support issue: src-d/go-git#1059 Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
gitster
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Reftable is a new format for storing the ref database. It provides the following benefits: * Simple and fast atomic ref transactions, including multiple refs and reflogs. * Compact storage of ref data. * Fast look ups of ref data. * Case-sensitive ref names on Windows/OSX, regardless of file system * Eliminates file/directory conflicts in ref names Further context and motivation can be found in background reading: * Spec: https://github.com/eclipse/jgit/blob/master/Documentation/technical/reftable.md * Original discussion on JGit-dev: https://www.eclipse.org/lists/jgit-dev/msg03389.html * First design discussion on git@vger: https://public-inbox.org/git/CAJo=hJtTp2eA3z9wW9cHo-nA7kK40vVThqh6inXpbCcqfdMP9g@mail.gmail.com/ * Last design discussion on git@vger: https://public-inbox.org/git/CAJo=hJsZcAM9sipdVr7TMD-FD2V2W6_pvMQ791EGCDsDkQ033w@mail.gmail.com/ * First attempt at implementation: https://public-inbox.org/git/CAP8UFD0PPZSjBnxCA7ez91vBuatcHKQ+JUWvTD1iHcXzPBjPBg@mail.gmail.com/ * libgit2 support issue: https://github.com/libgit2/libgit2/issues * GitLab support issue: https://gitlab.com/gitlab-org/git/issues/6 * go-git support issue: src-d/go-git#1059 Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reftable is a new format for storing the ref database. It provides the following benefits: * Simple and fast atomic ref transactions, including multiple refs and reflogs. * Compact storage of ref data. * Fast look ups of ref data. * Case-sensitive ref names on Windows/OSX, regardless of file system * Eliminates file/directory conflicts in ref names Further context and motivation can be found in background reading: * Spec: https://github.com/eclipse/jgit/blob/master/Documentation/technical/reftable.md * Original discussion on JGit-dev: https://www.eclipse.org/lists/jgit-dev/msg03389.html * First design discussion on git@vger: https://public-inbox.org/git/CAJo=hJtTp2eA3z9wW9cHo-nA7kK40vVThqh6inXpbCcqfdMP9g@mail.gmail.com/ * Last design discussion on git@vger: https://public-inbox.org/git/CAJo=hJsZcAM9sipdVr7TMD-FD2V2W6_pvMQ791EGCDsDkQ033w@mail.gmail.com/ * First attempt at implementation: https://public-inbox.org/git/CAP8UFD0PPZSjBnxCA7ez91vBuatcHKQ+JUWvTD1iHcXzPBjPBg@mail.gmail.com/ * libgit2 support issue: https://github.com/libgit2/libgit2/issues * GitLab support issue: https://gitlab.com/gitlab-org/git/issues/6 * go-git support issue: src-d/go-git#1059 Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
gitster
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Reftable is a new format for storing the ref database. It provides the following benefits: * Simple and fast atomic ref transactions, including multiple refs and reflogs. * Compact storage of ref data. * Fast look ups of ref data. * Case-sensitive ref names on Windows/OSX, regardless of file system * Eliminates file/directory conflicts in ref names Further context and motivation can be found in background reading: * Spec: https://github.com/eclipse/jgit/blob/master/Documentation/technical/reftable.md * Original discussion on JGit-dev: https://www.eclipse.org/lists/jgit-dev/msg03389.html * First design discussion on git@vger: https://public-inbox.org/git/CAJo=hJtTp2eA3z9wW9cHo-nA7kK40vVThqh6inXpbCcqfdMP9g@mail.gmail.com/ * Last design discussion on git@vger: https://public-inbox.org/git/CAJo=hJsZcAM9sipdVr7TMD-FD2V2W6_pvMQ791EGCDsDkQ033w@mail.gmail.com/ * First attempt at implementation: https://public-inbox.org/git/CAP8UFD0PPZSjBnxCA7ez91vBuatcHKQ+JUWvTD1iHcXzPBjPBg@mail.gmail.com/ * libgit2 support issue: https://github.com/libgit2/libgit2/issues * GitLab support issue: https://gitlab.com/gitlab-org/git/issues/6 * go-git support issue: src-d/go-git#1059 Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
hanwen
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Feb 25, 2020
Reftable is a format for storing the ref database. Its rationale and specification is in the preceding commit. Further context and motivation can be found in background reading: * Original discussion on JGit-dev: https://www.eclipse.org/lists/jgit-dev/msg03389.html * First design discussion on git@vger: https://public-inbox.org/git/CAJo=hJtTp2eA3z9wW9cHo-nA7kK40vVThqh6inXpbCcqfdMP9g@mail.gmail.com/ * Last design discussion on git@vger: https://public-inbox.org/git/CAJo=hJsZcAM9sipdVr7TMD-FD2V2W6_pvMQ791EGCDsDkQ033w@mail.gmail.com/ * First attempt at implementation: https://public-inbox.org/git/CAP8UFD0PPZSjBnxCA7ez91vBuatcHKQ+JUWvTD1iHcXzPBjPBg@mail.gmail.com/ * libgit2 support issue: https://github.com/libgit2/libgit2/issues * GitLab support issue: https://gitlab.com/gitlab-org/git/issues/6 * go-git support issue: src-d/go-git#1059 Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
gitster
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Reftable is a format for storing the ref database. Its rationale and specification is in the preceding commit. Further context and motivation can be found in background reading: * Original discussion on JGit-dev: https://www.eclipse.org/lists/jgit-dev/msg03389.html * First design discussion on git@vger: https://public-inbox.org/git/CAJo=hJtTp2eA3z9wW9cHo-nA7kK40vVThqh6inXpbCcqfdMP9g@mail.gmail.com/ * Last design discussion on git@vger: https://public-inbox.org/git/CAJo=hJsZcAM9sipdVr7TMD-FD2V2W6_pvMQ791EGCDsDkQ033w@mail.gmail.com/ * First attempt at implementation: https://public-inbox.org/git/CAP8UFD0PPZSjBnxCA7ez91vBuatcHKQ+JUWvTD1iHcXzPBjPBg@mail.gmail.com/ * libgit2 support issue: https://github.com/libgit2/libgit2/issues * GitLab support issue: https://gitlab.com/gitlab-org/git/issues/6 * go-git support issue: src-d/go-git#1059 Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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reftable is a scalable format for the ref database. It would be nice to support it in go-git
See https://github.com/eclipse/jgit/blob/master/Documentation/technical/reftable.md
(I'm interested in working on this.)
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