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-rw-r--r--lib/common.sh124
1 files changed, 124 insertions, 0 deletions
diff --git a/lib/common.sh b/lib/common.sh
new file mode 100644
index 0000000..feb5080
--- /dev/null
+++ b/lib/common.sh
@@ -0,0 +1,124 @@
+# Avoid any encoding problems
+export LANG=C
+
+# check if messages are to be printed using color
+unset ALL_OFF BOLD BLUE GREEN RED YELLOW
+if [[ -t 2 ]]; then
+ # prefer terminal safe colored and bold text when tput is supported
+ if tput setaf 0 &>/dev/null; then
+ ALL_OFF="$(tput sgr0)"
+ BOLD="$(tput bold)"
+ BLUE="${BOLD}$(tput setaf 4)"
+ GREEN="${BOLD}$(tput setaf 2)"
+ RED="${BOLD}$(tput setaf 1)"
+ YELLOW="${BOLD}$(tput setaf 3)"
+ else
+ ALL_OFF="\e[1;0m"
+ BOLD="\e[1;1m"
+ BLUE="${BOLD}\e[1;34m"
+ GREEN="${BOLD}\e[1;32m"
+ RED="${BOLD}\e[1;31m"
+ YELLOW="${BOLD}\e[1;33m"
+ fi
+fi
+readonly ALL_OFF BOLD BLUE GREEN RED YELLOW
+
+plain() {
+ local mesg=$1; shift
+ printf "${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
+}
+
+msg() {
+ local mesg=$1; shift
+ printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
+}
+
+msg2() {
+ local mesg=$1; shift
+ printf "${BLUE} ->${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
+}
+
+warning() {
+ local mesg=$1; shift
+ printf "${YELLOW}==> WARNING:${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
+}
+
+error() {
+ local mesg=$1; shift
+ printf "${RED}==> ERROR:${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}\n" "$@" >&2
+}
+
+stat_busy() {
+ local mesg=$1; shift
+ printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}...${ALL_OFF}" >&2
+}
+
+stat_done() {
+ printf "${BOLD}done${ALL_OFF}\n" >&2
+}
+
+setup_workdir() {
+ [ -z "$WORKDIR" ] && WORKDIR=$(mktemp -d /tmp/$(basename $0).XXXXXXXXXX)
+}
+
+cleanup() {
+ trap - EXIT INT QUIT TERM
+
+ [ -n "$WORKDIR" ] && rm -rf "$WORKDIR"
+ [ "$1" ] && exit $1
+}
+
+abort() {
+ msg 'Aborting...'
+ cleanup 0
+}
+
+die() {
+ error "$*"
+ cleanup 1
+}
+
+trap abort INT QUIT TERM HUP
+trap 'cleanup 0' EXIT
+
+##
+# usage : in_array( $needle, $haystack )
+# return : 0 - found
+# 1 - not found
+##
+in_array() {
+ local needle=$1; shift
+ local item
+ for item in "$@"; do
+ [[ $item = $needle ]] && return 0 # Found
+ done
+ return 1 # Not Found
+}
+
+##
+# usage : get_full_version( [$pkgname] )
+# return : full version spec, including epoch (if necessary), pkgver, pkgrel
+##
+get_full_version() {
+ # set defaults if they weren't specified in buildfile
+ pkgbase=${pkgbase:-${pkgname[0]}}
+ epoch=${epoch:-0}
+ if [[ -z $1 ]]; then
+ if [[ $epoch ]] && (( ! $epoch )); then
+ echo $pkgver-$pkgrel
+ else
+ echo $epoch:$pkgver-$pkgrel
+ fi
+ else
+ for i in pkgver pkgrel epoch; do
+ local indirect="${i}_override"
+ eval $(declare -f package_$1 | sed -n "s/\(^[[:space:]]*$i=\)/${i}_override=/p")
+ [[ -z ${!indirect} ]] && eval ${indirect}=\"${!i}\"
+ done
+ if (( ! $epoch_override )); then
+ echo $pkgver_override-$pkgrel_override
+ else
+ echo $epoch_override:$pkgver_override-$pkgrel_override
+ fi
+ fi
+}