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Anonymous committed 7dc4642

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

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>

  • Participants
  • Parent commits 0509eb2

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Files changed (1)

File git-checkout.sh

 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"
 	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