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|
#!/bin/bash
# Finds the relative path at which tracking for a target path
# starts within its subgit parent.
usage() {
die $(cat <<-EOF
Usage: subgit relpath ROOT PATH
Determines the relative path (from ROOT) where tracking begins
for the given PATH. Walks up from PATH until finding a tracked
entry in ROOT's .subgitrc.
EOF
)
}
while [ "$1" ]; do
case $1 in
-h) usage;;
--) shift; break;;
-*) die "Invalid option $1";;
*) break;;
esac
done
[ $# -ne 2 ] && usage
root=$1
path=$2
source "$root/.subgitrc"
relpath=$(realpath -m --relative-to="$root" "$path")
while [ 1 ]; do
[ ! -z "${subgit[$relpath]}" ] && break
[ "$relpath" = "." ] && die "Not tracked"
relpath=$(dirname "$relpath")
done
echo "$relpath"
|
