[PATCH] completion: commit: complete configured trailer tokens

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From: Philippe Blain <levraiphilippeblain@xxxxxxxxx>

Since 2daae3d1d1 (commit: add --trailer option, 2021-03-23), 'git
commit' can add trailers to commit messages. To make that feature more
pleasant to use at the command line, update the Bash completion code to
offer configured trailer tokens.

Add a __git_trailer_tokens function to list the configured trailers
tokens, and use it in _git_commit to suggest the configured tokens,
suffixing the completion words with ':' so that the user only has to add
the trailer value.

Signed-off-by: Philippe Blain <levraiphilippeblain@xxxxxxxxx>
---
    completion: commit: complete configured trailer tokens
    
    Since 2daae3d1d1 (commit: add --trailer option, 2021-03-23), 'git
    commit' can add trailers to commit messages. To make that feature more
    pleasant to use at the command line, update the Bash completion code to
    offer configured trailer tokens.
    
    Add a __git_trailer_tokens function to list the configured trailers
    tokens, and use it in _git_commit to suggest the configured tokens,
    suffixing the completion words with ':' so that the user only has to add
    the trailer value.

Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-1583%2Fphil-blain%2Fcompletion-commit-trailers-v1
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1583/phil-blain/completion-commit-trailers-v1
Pull-Request: https://github.com/gitgitgadget/git/pull/1583

 contrib/completion/git-completion.bash | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 133ec92bfae..b5eb75aadc5 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1677,6 +1677,11 @@ _git_clone ()
 
 __git_untracked_file_modes="all no normal"
 
+__git_trailer_tokens ()
+{
+	git config --name-only --get-regexp trailer.\*.key | awk -F. '{print $2}'
+}
+
 _git_commit ()
 {
 	case "$prev" in
@@ -1701,6 +1706,10 @@ _git_commit ()
 		__gitcomp "$__git_untracked_file_modes" "" "${cur##--untracked-files=}"
 		return
 		;;
+	--trailer=*)
+		__gitcomp_nl "$(__git_trailer_tokens)" "" "${cur##--trailer=}" ":"
+		return
+		;;
 	--*)
 		__gitcomp_builtin commit
 		return

base-commit: 1fc548b2d6a3596f3e1c1f8b1930d8dbd1e30bf3
-- 
gitgitgadget



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