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[git completions] Shorten commit SHA ourselves

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This is much quicker - on the order of 100ms vs 50ms.

We shorten to 10 characters, which is statistically suitable - 3 out
of 600k commits in the linux kernel need 11 characters.
This commit is contained in:
Fabian Homborg
2018-05-08 23:12:13 +02:00
parent 88b688c544
commit 34fc390e13
1 changed files with 9 additions and 1 deletions
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10
share/completions/git.fish
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@@ -6,7 +6,15 @@ function __fish_git_commits
# This allows filtering by subject with the new pager!
# Because even subject lines can be quite long,
# trim them (abbrev'd hash+tab+subject) to 73 characters
command git log --pretty=tformat:"%h"\t"%<(64,trunc)%s" --all --max-count=1000 2>/dev/null
#
# Hashes we just truncate ourselves to 10 characters, without disambiguating.
# That technically means that sometimes we don't give usable SHAs,
# but according to https://stackoverflow.com/a/37403152/3150338,
# that happens for 3 commits out of 600k.
# For fish, at the time of writing, out of 12200 commits, 7 commits need 8 characters.
# And since this takes about 1/3rd of the time that disambiguating takes...
command git log --pretty=tformat:"%H"\t"%<(64,trunc)%s" --all --max-count=1000 2>/dev/null \
| string replace -r '^([0-9a-f]{10})[0-9a-f]*\t(.*)' '$1\t$2'
end
function __fish_git_recent_commits