lariza: portability fixes on the build system

1 files changed, 48 insertions, 0 deletions

diff --git a/tools/install.sh b/tools/install.sh
new file mode 100755
index 0000000..4641973
--- /dev/null
+++ b/tools/install.sh
@@ -0,0 +1,48 @@
+#!/bin/sh -e
+# Portable install version that supports -D -m and -t
+# We have our own extension flag -s for running sed on the given files while
+# installing.
+die() { printf '%s\n' "$@" >&2; exit 1;}
+usage() {
+    die "usage: ${0##*/} [-D] [-m mode] [-s sedscript] source dest" \
+        "   or: ${0##*/} [-D] [-m mode] [-s sedscript] [-t dir] [source...]"
+}
+
+sed=''
+mkdirp=''
+target=''
+mode=0755
+
+while getopts 'Dm:s:t:h' opt; do
+    case $opt in
+        D) mkdirp=1 ;;
+        s) sed=$OPTARG ;;
+        t) target=$OPTARG ;;
+        m) mode=$OPTARG ;;
+        *) usage
+    esac
+done
+
+shift "$((OPTIND - 1))"
+
+if [ "$target" ]; then
+    [ "$mkdirp" ] || [ -d "$target" ] || die "$target doesn't exist"
+    mkdir -p "$target"
+    for arg; do
+        [ -d "$target/${arg##*/}" ] && die "$target/${arg##*/} is a directory"
+        if [ "$sed" ]; then
+            sed "$sed" < "$arg" > "$target/${arg##*/}"
+        else
+            cp "$arg" "$target"
+        fi
+
+        chmod "$mode" "$target/${arg##*/}"
+    done
+else
+    case "$2" in */*) [ "$mkdirp" ] || [ -d "${2%/*}" ] || die "${2%/*} doesn't exist"
+                      mkdir -p "${2%/*}"
+    esac
+    [ -d "$2" ] && die "$2 is a directory"
+    if [ "$sed" ]; then sed "$sed" < "$1" > "$2"; else cp "$1" "$2"; fi
+    chmod "$mode" "$2"
+fi