This patch series implements a new command:
and an infrastructure to process trailers that can be reused,
for example in "commit.c".
This command should help with RFC 822 style headers, called
"trailers", that are found at the end of commit messages.
(Note that these headers do not follow and are not intended to
follow many rules that are in RFC 822. For example they do not
follow the line breaking rules, the encoding rules and probably
many other rules.)
For a long time, these trailers have become a de facto standard
way to add helpful information into commit messages.
Until now git commit has only supported the well known
"Signed-off-by: " trailer, that is used by many projects like
the Linux kernel and Git.
It is better to implement features for these trailers first in a
new command rather than in builtin/commit.c, because this way the
prepare-commit-msg and commit-msg hooks can reuse this command.
2) Current state:
Currently the usage string of this command is:
git interpret-trailers [--trim-empty] [--infile=file] [<token[=value]>...]
The following features are implemented:
- the result is printed on stdout
- the [<token[=value]>...] arguments are interpreted
- a commit message passed using the "--infile=file" option is
- the "trailer.<token>.key" options in the config are interpreted
- the "trailer.<token>.where" options are interpreted
- the "trailer.<token>.ifExist" options are interpreted
- the "trailer.<token>.ifMissing" options are interpreted
- there are a lot of tests
The following features are planned but not yet implemented:
- making "git interpret-trailers" a filter
- some documentation
- the "trailer.<token>.command" config option
* I chose "trailer.<token>.key" over "trailer.<token>.value" and
"trailer.<token>.trailer", as I think it is clearer.
* I focused on a cleaner and more complete implementation than the
PATCH/RFC I sent previously.
Happy end of year!
Christian Couder (9):
Add data structures and basic functions for commit trailers
trailer: process trailers from file and arguments
trailer: read and process config information
trailer: process command line trailer arguments
strbuf: add strbuf_isspace()
trailer: parse trailers from input file
trailer: put all the processing together and print
trailer: add interpret-trailers command
trailer: add tests for "git interpret-trailers"
.gitignore | 1 +
Makefile | 2 +
builtin.h | 1 +
builtin/interpret-trailers.c | 36 +++
git.c | 1 +
strbuf.c | 7 +
strbuf.h | 1 +
t/t7513-interpret-trailers.sh | 206 ++++++++++++++++
trailer.c | 544 ++++++++++++++++++++++++++++++++++++++++++
trailer.h | 6 +
10 files changed, 805 insertions(+)
create mode 100644 builtin/interpret-trailers.c
create mode 100755 t/t7513-interpret-trailers.sh
create mode 100644 trailer.c
create mode 100644 trailer.h
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