Merry Christmas!
This series introduces two new syntax: @{~foo} and ^{~foo}.
Both syntax allow an external program to run and return the result. So
users can extend the ref/sha1 syntax as they want. External commands are
defined similar to aliases in config.
The former does ref->ref mapping. The latter does SHA-1->SHA-1
mapping. Both allow @{} and ^{} in the result respectively, so you can
make a chain of mapping (*). This should allow Kevin to add "search
the n-th commit that matches 'foo'" syntax.
I think this is something nice to have. For one thing, commonly used
mappings can be collected in config file and distributed. Shell requirements
can be loosened because you don't need shell backquotes
(OK I'm always on a shell so this is moot, but an IDE, maybe).
OK time for movies..
(*) They can also make infinite chain. I don't think I can stop them
from doing that.
Nguyán ThÃi Ngác Duy (5):
alias: add functions to do param substitution and alias running
get_sha1: allow custom SHA-1 mapping with $SHA1^{~alias} syntax
sha1_name: move interpret_nth_prior_checkout closer to
interpret_branch_name
interpret_branch_name: takes @{u} code out and reorder the function
get_sha1: allow custom ref mapping with $ref@{~alias} syntax
Documentation/config.txt | 18 +++
Documentation/revisions.txt | 12 ++
alias.c | 167 ++++++++++++++++++++++-
cache.h | 13 ++
sha1_name.c | 321 ++++++++++++++++++++++++++++++++----------
t/t1511-rev-parse-caret.sh | 45 ++++++
t/t1512-rev-parse-at.sh | 63 +++++++++
7 files changed, 557 insertions(+), 82 deletions(-)
create mode 100755 t/t1512-rev-parse-at.sh
--
1.7.3.3.476.g10a82
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