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[v2,2/2] config/alias.txt: document alias accepting non-command first word

Message ID 44c4e1c560de607f30eb87234611a5bbc00620a7.1559755652.git.liu.denton@gmail.com (mailing list archive)
State New, archived
Headers show
Series [v2,1/2] config/alias.txt: change " and ' to ` | expand

Commit Message

Denton Liu June 5, 2019, 8:10 p.m. UTC
One can see that an alias that begins with a non-command first word,
such as `loud-rebase = -c commit.verbose=true rebase`, is permitted.
However, this isn't immediately obvious to users as alias instances
typically begin with a command.

Document the fact that an alias can begin with a non-command first word
so that users will be able to discover that this is a feature.

Signed-off-by: Denton Liu <liu.denton@gmail.com>
---
 Documentation/config/alias.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/Documentation/config/alias.txt b/Documentation/config/alias.txt
index 5425449a50..f1ca739d57 100644
--- a/Documentation/config/alias.txt
+++ b/Documentation/config/alias.txt
@@ -7,6 +7,16 @@  alias.*::
 	spaces, the usual shell quoting and escaping is supported.
 	A quote pair or a backslash can be used to quote them.
 +
+Note that the first word of an alias does not necessarily have to be a
+command. It can be a command-line option that will be passed into the
+invocation of `git`. In particular, this is useful when used with `-c`
+to pass in one-time configurations or `-p` to force pagination. For example,
+`loud-rebase = -c commit.verbose=true rebase` can be defined such that
+running `git loud-rebase` would be equivalent to
+`git -c commit.verbose=true rebase`. Also, `ps = -p status` would be a
+helpful alias since `git ps` would paginate the output of `git status`
+where the original command does not.
++
 If the alias expansion is prefixed with an exclamation point,
 it will be treated as a shell command.  For example, defining
 `alias.new = !gitk --all --not ORIG_HEAD`, the invocation