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|
#!/bin/sh
while [ $# -gt 0 ]
do
case "$1" in
--) shift; break;;
-?) eval "OPT_${1#-}=y"
shift
;;
--*=*) kv=${1#--}
k=${kv##=*}
v=${kv%*=}
eval "OPT_${k}=\$1" "$v"
shift
;;
-*) exit 1;;
*) break;;
esac
done
remote=${1:-origin}
have_ref()
{
git rev-list --quiet "$1" 2>/dev/null
}
show_all_message()
{
>&2 printf '%s\n' \
'Showing all remote branches:' \
''
}
show_normal_message()
{
>&2 printf '%s\n' \
'Showing remote branches that have pushed onto your HEAD:' \
''
}
show_reverse_message()
{
>&2 printf '%s\n' \
'Showing branches unmerged on the REMOTE side (THEY need YOUR changes)' \
'because "-r" (reverse) was specified:' \
''
}
handle_hash_ref()
{
local hash="$1" ref="$2"
if ! have_ref $hash
then
git fetch $remote $ref;
fi
if [ -z "$OPT_r" ]
then
cmd="git merge-base --is-ancestor HEAD $hash"
else
cmd="git merge-base --is-ancestor $hash HEAD"
fi
if [ "$OPT_a" ] || $cmd
then
if ! [ "$OPT_q" ]
then
if [ "$OPT_a" ]
then show_all_message
elif [ "$OPT_r" -a "$listed" -eq 0 ]
then show_reverse_message
else show_normal_message
fi
fi
>&2 printf 'remote: %s\n' "$ref"
git show $hash | sed '/^$/q'
listed=$((listed + 1))
else
skipped=$((skipped + 1))
fi
}
read_hashes()
{
while read hash ref; do
case $ref in
refs/namespaces/*) handle_hash_ref "$hash" "$ref" ;;
esac
done
}
finalize()
{
if [ "$listed" -eq 0 ]
then
if [ "$OPT_r" ]
then
>&2 printf 'Already up-to-date. (No remotes are ancestors of your HEAD; %d remotes up-to-date.)\n' "$skipped"
else
>&2 printf 'Already up-to-date. (No remotes have pushed onto your HEAD; %d remotes up-to-date.)\n' "$skipped"
fi
fi
}
skipped=0
listed=0
git ls-remote $remote | (read_hashes && finalize)
|
