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Fix "git checkout -b foo ':/substring'"

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Because ':/substring' extended SHA1 expression cannot take
postfix modifiers such as ^{tree} and ^{commit}, we would need
to do it in multiple steps.  With the patch, you can start a new
branch from a randomly-picked commit whose message has the named
string in it.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano 2008-02-01 19:06:56 -08:00
parent 0509eb216f
commit 7dc4642989
1 changed files with 4 additions and 3 deletions
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7
git-checkout.sh
View file

@ -71,7 +71,8 @@ while test $# != 0; do
done
arg="$1"
if rev=$(git rev-parse --verify "$arg^0" 2>/dev/null)
rev=$(git rev-parse --verify "$arg" 2>/dev/null)
if rev=$(git rev-parse --verify "$rev^0" 2>/dev/null)
then
[ -z "$rev" ] && die "unknown flag $arg"
new_name="$arg"
@ -82,11 +83,11 @@ then
fi
new="$rev"
shift
elif rev=$(git rev-parse --verify "$arg^{tree}" 2>/dev/null)
elif rev=$(git rev-parse --verify "$rev^{tree}" 2>/dev/null)
then
# checking out selected paths from a tree-ish.
new="$rev"
new_name="$arg^{tree}"
new_name="$rev^{tree}"
shift
fi
[ "$1" = "--" ] && shift