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#!/bin/bash
[ "$1" = "-h" ] && die $(cat <<-EOF
Usage: subgit save [PATH..]
Updates .subgitrc with current remote, branch, and commit from
the bare repositories. Captures the current state of specified
subrepositories (or all if none specified).
EOF
)
root=$(subgit-sub root .)
source "$root/.subgitrc"
if [ $# -eq 0 ]; then
subrepos=${!subgit[@]}
else
subrepos=()
for a in "$@"; do
parent=$(dirname "$(realpath "$a")")
[ "$root" != "$(subgit-sub root "$parent")" ] \
&& die "Subgits do not have same parent"
subrepos+=($(subgit-sub relpath "$root" "$a"))
done
fi
for subrepo in $subrepos; do
if [ ! -d "$root/.subgit/$subrepo" -o ! -d "$root/$subrepo" ]; then
die "Subrepo $subrepo uninitialized"
fi
subgit[$subrepo]=1
subgitinfo[$subrepo/remote]=$(git -C "$root/.subgit/$subrepo" remote get-url origin)
subgitinfo[$subrepo/branch]=$(git -C "$root/.subgit/$subrepo" branch --show-current)
subgitinfo[$subrepo/commit]=$(git -C "$root/.subgit/$subrepo" rev-parse --verify HEAD)
done
source subgit-write
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