Ian Wienand 291ef5b61c run-command: show prepared command ...

This adds a trace point in start_command so we can see the full
command invocation without having to resort to strace/code inspection.
For example:

 $ GIT_TRACE=1 git test foo
 git.c:755               trace: exec: git-test foo
 run-command.c:657       trace: run_command: git-test foo
 run-command.c:657       trace: run_command: 'echo $*' foo
 run-command.c:749       trace: start_command: /bin/sh -c 'echo $* "$@"' 'echo $*' foo

Prior changes have made the documentation around the internals of the
alias command execution clearer, but I have still found this detailed
view of the aliased command being run helpful for debugging purposes.

A test case is added to ensure the full command output is present in
the execution flow.

Signed-off-by: Ian Wienand <iwienand@redhat.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2024-05-31 15:47:55 -07:00

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