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##
# systr_repo_create_commit
#
# Create a new commit directory within the repository. The new
# commit ID is printed to stdout.
##
function systr_repo_create_commit
{
(
cd "$path/revs/"
mktemp -d XXXXXXXX
)
}
##
# systr_repo_finish_commit <commit> <parent> [<merge>]
#
# Finish writing a commit by adding meta-data to the commit directory.
# The commit message is taken from the file <commit>.mesg at the root
# of the repository directory. If <merge> is given, it is written to
# .merge.systr in the commit.
##
function systr_repo_finish_commit
{
if [ $# -lt 2 ]; then
echo "Fatal: too few args to repo_finish_commit" >&2
exit 1
fi
commit="$1"
parent="$2"
if [ $# -gt 2 ]; then
merge="$3"
else
merge=""
fi
if [ -f ".systr/author" ]; then
read author <.systr/author
else
author="Anonymous"
fi
if [ -f ".systr/email" ]; then
read email <.systr/email
else
email="anon"
fi
(
cd "$path/revs/$commit/"
echo "$parent" >.commit.systr
echo "$author" >.author.systr
echo "$email" >.email.systr
date >.date.systr
mv "../$commit.mesg" .mesg.systr
if [[ "$merge" != "" ]]; then
echo "$merge" >.merge.systr
fi
)
}
##
# systr_repo_set_reference <symref> <commit>
#
# Update <symref> to point to <commit>. If <symref> doesn't exist,
# it is created. <commit> should not, itself, be a symbolic reference.
##
function systr_repo_set_reference
{
if [ $# -lt 2 ]; then
echo "Fatal: too few args to repo_set_reference" >&2
exit 1
fi
symref="$1"
commit=$(systr_repo_resolve_reference "$2")
if [[ "$symref" == "BASE" ]]; then
echo "Fatal: will not define BASE in the repository" >&2
exit 1
elif [[ "$symref" == "TRAC" ]]; then
echo "Fatal: will not define TRAC in the repository" >&2
exit 1
elif [[ "$symref" == "NULL" ]]; then
echo "Fatal: will not define NULL in the repository" >&2
exit 1
elif [[ "$symref" == "MERG" ]]; then
echo "Fatal: will not define MERG in the repository" >&2
exit 1
fi
echo "$commit" >"$path/refs/$symref"
}
##
# systrunk tag <name>
#
# Tag the current commit. This creates a new branch which references
# BASE.
##
function systr_repo_tag
{
if [ $# -lt 1 ]; then
echo "Fatal: too few args to repo_tag" >&2
exit 1
fi
name="$1"
systr_repo_set_reference "$name" "$BASE"
}
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