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sparse-checkout: create builtin with 'list' subcommand

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The sparse-checkout feature is mostly hidden to users, as its
only documentation is supplementary information in the docs for
'git read-tree'. In addition, users need to know how to edit the
.git/info/sparse-checkout file with the right patterns, then run
the appropriate 'git read-tree -mu HEAD' command. Keeping the
working directory in sync with the sparse-checkout file requires
care.

Begin an effort to make the sparse-checkout feature a porcelain
feature by creating a new 'git sparse-checkout' builtin. This
builtin will be the preferred mechanism for manipulating the
sparse-checkout file and syncing the working directory.

The documentation provided is adapted from the "git read-tree"
documentation with a few edits for clarity in the new context.
Extra sections are added to hint toward a future change to
a more restricted pattern set.

Helped-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee
2019-11-21 22:04:33 +00:00
committed by Junio C Hamano
parent d9f6f3b619
commit 94c0956b60
9 changed files with 226 additions and 1 deletions
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1
builtin.h
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@@ -225,6 +225,7 @@ int cmd_shortlog(int argc, const char **argv, const char *prefix);
int cmd_show(int argc, const char **argv, const char *prefix);
int cmd_show_branch(int argc, const char **argv, const char *prefix);
int cmd_show_index(int argc, const char **argv, const char *prefix);
int cmd_sparse_checkout(int argc, const char **argv, const char *prefix);
int cmd_status(int argc, const char **argv, const char *prefix);
int cmd_stash(int argc, const char **argv, const char *prefix);
int cmd_stripspace(int argc, const char **argv, const char *prefix);