On Mon, Feb 14, 2022 at 10:38 PM Derrick Stolee <stolee@xxxxxxxxx> wrote: > > On 2/14/2022 7:44 AM, Shaoxuan Yuan wrote: > > Hi Stolee, Victoria, and Community, > > > > The self-intro was done during my first practice patch [1]. > > Welcome! > > > I've been paying attention to the updates to the SoC 2022 ideas > > page. And find your sparse index integrations project quite interesting. > > ... > > > And the main purpose of this message is to first, show my interest > > about this project idea and second, use it as a thread so I can follow up > > some questions during the research process. > > > > Question: It is a good idea to start looking into the commands listed > > in the idea doc [3] and make some practice patches about sparse index > > integrations? > > > > [1] https://lore.kernel.org/git/20220123060318.471414-1-shaoxuan.yuan02@xxxxxxxxx/ > > [2] https://github.blog/2021-11-10-make-your-monorepo-feel-small-with-gits-sparse-index/ > > [3] https://git.github.io/SoC-2022-Ideas/#more-sparse-index-integrations > > One thing you can do is look at the history of t1092, which is used by > every patch series that performs these integrations. > > $ git log -20 --oneline --graph --show-pulls origin/master -- t/t1092-sparse-checkout-compatibility.sh > * 3c0e4178277 Merge branch 'ds/fetch-pull-with-sparse-index' > * 3a9a6ac5d9d t1092: replace 'read-cache --table' with 'ls-files --sparse' > * 78087097b8b ls-files: add --sparse option > * 5a4e0547e23 fetch/pull: use the sparse index > * 8d2c37320bd Merge branch 'ld/sparse-diff-blame' > |\ > | * add4c864b60 blame: enable and test the sparse index > | * 51ba65b5c35 diff: enable and test the sparse index > | * 338e2a9acc8 diff: replace --staged with --cached in t1092 tests > | * ea6ae410bed Merge branch 'vd/sparse-reset' into ld/sparse-diff-blame > | |\ > * | \ e1d92882676 Merge branch 'ds/sparse-deep-pattern-checkout-fix' > |\ \ \ > | * | | 8c5de0d2657 unpack-trees: use traverse_path instead of name > | * | | 1b38efc7a03 t1092: add deeper changes during a checkout > * | | | 62329d336f5 Merge branch 'ds/trace2-regions-in-tests' > |\ \ \ \ > | * | | | 8c4cbad6a3a t/t*: remove custom GIT_TRACE2_EVENT_NESTING > | |/ / / > * | | | f0850875fd4 Merge branch 'vd/sparse-reset' > |\ \ \ \ > | | |_|/ > | |/| | > | * | | 4d1cfc1351f reset: make --mixed sparse-aware > | * | | 20ec2d034cd reset: make sparse-aware (except --mixed) > | * | | 291d77eb3e2 reset: expand test coverage for sparse checkouts > | * | | 86609db9dae sparse-index: update command for expand/collapse test > | * | | 71471b2a7c7 reset: preserve skip-worktree bit in mixed reset > > But of course, this doesn't show the full history of the work in > each of these branches, so you can do a history walk from each > merge to get a picture of the full series: > > $ git log --oneline --graph 3c0e4178277 -6 > * 3c0e4178277 Merge branch 'ds/fetch-pull-with-sparse-index' > |\ > | * 408c51f0b4b test-read-cache: remove --table, --expand options > | * c2a29405105 t1091/t3705: remove 'test-tool read-cache --table' > | * 3a9a6ac5d9d t1092: replace 'read-cache --table' with 'ls-files --sparse' > | * 78087097b8b ls-files: add --sparse option > | * 5a4e0547e23 fetch/pull: use the sparse index > > $ git log --oneline --graph 8d2c37320bd -8 > * 8d2c37320bd Merge branch 'ld/sparse-diff-blame' > |\ > | * add4c864b60 blame: enable and test the sparse index > | * 51ba65b5c35 diff: enable and test the sparse index > | * 338e2a9acc8 diff: replace --staged with --cached in t1092 tests > | * 44c7e62e51e repo-settings: prepare_repo_settings only in git repos > | * 27a443b8208 test-read-cache: set up repo after git directory > | * 0803f9c7cdf commit-graph: return if there is no git directory > | * e5b17bda8b6 git: ensure correct git directory setup with -h > > These are just a couple examples of merged work in this area. Be > sure to look at the full commit messages and diffs to get a feel > for the area. Then, playing around with the list of commands in > the project idea document is a good idea. Thanks for the examples and suggestions! Working on them :) > > There is also a series that is currently waiting to merge [4], for > even more examples. > > [4] https://lore.kernel.org/git/pull.1109.v2.git.1641924306.gitgitgadget@xxxxxxxxx/ > > Thanks, > -Stolee -- Thanks & Regards, Shaoxuan