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|
## authorinfo ## {{{2
authorinfo() {
# XXX: implement parsing .ubergit/author
# more XXX: get author from $1
echo "GIT_AUTHOR_NAME='Uwe Kleine-König'"
echo "GIT_AUTHER_EMAIL='ukl@pengutronix.de'"
echo "GIT_AUTHER_DATE='1283281597 +0200'"
}
## assert ## {{{2
assert() {
"$@" || die "assertion failed: $*"
}
## base ## {{{2
base() {
assert is_topic "$1"
git cat-file blob "$1:.ubergit/base" \
| sed -e 's/ *#.*//; /^$/d'
}
## commitenv ## {{{2
commitenv() {
local commit
commit="$1"; shift
# XXX: apply the right dose of authorinfo(), committerinfo(), eval and sq()
env GIT_AUTHOR_NAME='Uwe Kleine-König' GIT_AUTHOR_EMAIL='ukl@pengutronix.de' GIT_AUTHOR_DATE='1283281597 +0200' GIT_COMMITTER_NAME='Uwe Kleine-König' GIT_COMMITTER_EMAIL='ukl@pengutronix.de' GIT_COMMITTER_DATE='1283281597 +0200' "$@"
}
## commiterinfo ## {{{2
committerinfo() {
assert is_topic "$1"
# XXX: get commiter from $1
echo "GIT_COMMITTER_NAME='Uwe Kleine-König'"
echo "GIT_COMMITTER_EMAIL='ukl@pengutronix.de'"
echo "GIT_COMMITTER_DATE='1283281597 +0200'"
}
## debug ## {{{2
debug() {
echo -- "$*" > /dev/tty
}
## deps ## {{{2
deps() {
assert test "$#" = "1"
assert is_sha1 "$1"
if is_topic "$1"; then
local base deplines
base="$(base "$1")"
# this removes the final newline
git cat-file blob "$base:.ubergit/deps" | sed -e 's/ *#.*//; /^$/d'
fi
}
## die ## {{{2
die() {
printf "fatal: %s\n" "$*" >&2
exit 1
}
## export_rev_chk ## {{{2
export_rev_chk() {
assert is_sha1 "$1"
eval test -z "\$exported_$1"
}
## export_rev_cmd ## {{{2
export_rev_cmd() {
local deps parent exported
assert is_sha1 "$1"
# XXX: is this portable?
deps="$(printf "%s" "$(deps "$1")" | tr '\012' ' ')"
case "$deps" in
"")
eval "exported_$1=$1"
return
;;
*" "*)
# >1 dependency
parent="$(printf "exported base for $1\n" \
| commitenv "$1" git commit-tree "$(pretty_tree "$(base "$1")")" $(set -f; for p in $deps; do eval printf "%s" "\" -p \$exported_$p\""; done))"
;;
*)
# single dependency
parent=$(eval printf "\$exported_$deps")
;;
esac
exported="$(msg "$1" |
git stripspace |
commitenv "$1" git commit-tree "$(pretty_tree "$1")" -p "$parent"
)"
eval "exported_$1=$exported"
}
## export_rev ## {{{2
export_rev() {
local ref
assert is_sha1 "$1"
ref="$1"
recurse_deps export_rev_cmd export_rev_chk "$ref"
eval echo "\$exported_$ref"
}
## is_sha1 ## {{{2
is_sha1() {
assert test "$#" = 1
git rev-parse -q --verify "$1" >/dev/null &&
test "$(git rev-parse --verify "$1")" = "$1"
}
## is_ugbase ## {{{2
is_base() {
rev_has_file "$1" ".ubergit/deps"
}
## is_topic ## {{{2
is_topic() {
rev_has_file "$1" ".ubergit/base"
}
## is_ugish ## {{{2
is_ugish() {
rev_has_file "$1" ".ubergit/"
}
## msg ## {{{2
msg() {
assert test "$#" = 1
assert is_topic "$1"
git cat-file blob "$1:.ubergit/msg"
}
## pretty_tree ## {{{2
pretty_tree() {
git ls-tree --full-tree "$1" \
| awk -F ' ' '$2 != ".ubergit"' \
| git mktree
}
## recurse_deps ## {{{2
## recurse_deps <cmd> <recchk> <commitish>
recurse_deps() {
local recdep_cmd recdep_recchk recdep
recdep_cmd="$1"; shift
recdep_recchk="$1"; shift
if is_topic "$1" && "$recdep_recchk" "$@"; then
for recdep in $(deps "$1"); do
debug "recurse: patch=$1, dep=$recdep"
recurse_deps "$recdep_cmd" "$recdep_recchk" "$recdep" "$@" || return "$?"
done
fi
"$recdep_cmd" "$@"
}
## rev_has_file ## {{{2
rev_has_file() {
git ls-tree --full-tree --name-only "$1" "$2" | grep . > /dev/null
}
## rev_verify ## {{{2
rev_verify() {
git rev-parse --verify -q "$1" >/dev/null
}
## sq ## {{{2
sq() {
# depends on git >= v1.6.4-rc0~24^2~22
git rev-parse --sq-quote "$@"
}
## option parsing ## {{{1
if test -n "$UG_OPTIONS_SPEC"; then
# depends on git >= v1.7.2-rc3~1^2~2, because before passing
# --keep-dashdash made git ignore --stop-at-non-option
#eval "$(printf "%s\n" "$UG_OPTIONS_SPEC" | git rev-parse --parseopt --keep-dashdash --stop-at-non-option -- "$@" || exit "$?")"
eval "$(printf "%s\n" "$UG_OPTIONS_SPEC" | git rev-parse --parseopt --stop-at-non-option -- "$@" || exit "$?")"
fi
|
