| 1 | #!/bin/sh
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| 2 | #
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| 3 | # POSIX shell script to install oils-for-unix into the proper directory.
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| 4 | # Distributed with the source tarball.
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| 5 | #
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| 6 | # For usage, run:
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| 7 | #
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| 8 | # ./install --help
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| 9 | #
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| 10 | # Also shared with the old "oil.ovm" build.
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| 11 |
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| 12 | # NOTE: 'install' is part of coreutils and busybox.
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| 13 |
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| 14 | # old tarball
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| 15 | readonly OVM_NAME=oil.ovm
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| 16 | readonly OVM_PATH=_bin/$OVM_NAME
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| 17 |
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| 18 | readonly OILS_PATH=_bin/cxx-opt-sh/oils-for-unix.stripped
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| 19 |
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| 20 |
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| 21 | log() {
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| 22 | # 4 space indent
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| 23 | echo " $@" >& 2
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| 24 | }
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| 25 |
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| 26 | die() {
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| 27 | echo "FATAL install error: $@" >& 2
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| 28 | exit 1
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| 29 | }
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| 30 |
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| 31 | my_install() {
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| 32 | ### A bit like install -v. OpenBSD doesn't have -v
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| 33 |
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| 34 | echo " + install $@" >& 2
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| 35 | install "$@"
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| 36 | }
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| 37 |
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| 38 | install_bin_and_links() {
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| 39 | ### Install an executable and symlinks.
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| 40 |
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| 41 | bin_src=$1
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| 42 | bin_new_name=$2
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| 43 | shift 2
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| 44 |
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| 45 | # symlinks are the remaining args
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| 46 |
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| 47 | # NOTE: The configure step generates this
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| 48 | if ! . _build/detected-config.sh; then
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| 49 | die "Can't find _build/detected-config.sh. Run './configure'"
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| 50 | fi
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| 51 | # Now $PREFIX should be defined
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| 52 |
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| 53 | #
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| 54 | # Install the shell binary
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| 55 | #
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| 56 |
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| 57 | bin_dest_dir="${DESTDIR}${PREFIX}/bin"
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| 58 | bin_dest="$bin_dest_dir/$bin_new_name"
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| 59 |
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| 60 | if ! my_install -d "$bin_dest_dir"; then
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| 61 | die "Couldn't create $bin_dest_dir"
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| 62 | fi
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| 63 |
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| 64 | if ! my_install "$bin_src" "$bin_dest"; then
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| 65 | die "Couldn't install $bin_src -> $bin_dest"
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| 66 | fi
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| 67 | log "Installed $bin_dest"
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| 68 |
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| 69 | working_dir=$PWD # save for later
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| 70 |
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| 71 | cd "$bin_dest_dir"
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| 72 | for link in "$@"; do
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| 73 | if ! ln -s -f "$bin_new_name" "$link"; then # -f to overwrite
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| 74 | die "Couldn't create $link symlink"
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| 75 | fi
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| 76 | log "Created '$link' symlink"
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| 77 | done
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| 78 |
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| 79 | #
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| 80 | # Install man page
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| 81 | #
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| 82 |
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| 83 | # Relevant:
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| 84 | # https://unix.stackexchange.com/questions/90759/where-should-i-install-manual-pages-in-user-directory
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| 85 | # https://www.freebsd.org/cgi/man.cgi?query=install
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| 86 |
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| 87 | cd "$working_dir"
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| 88 |
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| 89 | # e.g. /usr/local/share/man/man1
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| 90 | man_dest_dir="${DESTDIR}${DATAROOTDIR}/man/man1"
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| 91 |
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| 92 | if ! my_install -d "$man_dest_dir"; then
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| 93 | die "Couldn't create $man_dest_dir"
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| 94 | fi
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| 95 |
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| 96 | # -m so it's not executable
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| 97 | if ! my_install -m 644 doc/osh.1 "$man_dest_dir"; then
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| 98 | die "Couldn't install man page"
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| 99 | fi
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| 100 | log "Installed man page"
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| 101 | }
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| 102 |
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| 103 | # TODO: ./install _bin/cxx-opt-sh/oils-for-unix # or a given binary
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| 104 |
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| 105 | show_help() {
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| 106 | cat <<'EOF'
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| 107 | Install the oils-for-unix binary, and symlinks to it, like osh.
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| 108 |
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| 109 | Usage:
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| 110 |
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| 111 | ./install # install stripped binary
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| 112 | ./install --help # show this help
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| 113 |
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| 114 | DESTDIR=/tmp/foo ./install
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| 115 |
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| 116 | The DESTDIR var allows staged installs, where the installed files are not
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| 117 | placed directly into the location they're expected to be executed from. They
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| 118 | are placed in a temp dir first, which they are NOT expected to run out of.
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| 119 |
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| 120 | https://www.gnu.org/prep/standards/html_node/DESTDIR.html
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| 121 |
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| 122 | Staged installs are the default method of installation by package managers such
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| 123 | as gentoo-portage.
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| 124 |
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| 125 | https://devmanual.gentoo.org/quickstart/index.html
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| 126 |
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| 127 | EOF
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| 128 | }
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| 129 |
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| 130 | parse_flags() {
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| 131 | while true; do
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| 132 | case "$1" in
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| 133 | '')
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| 134 | break
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| 135 | ;;
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| 136 | --help)
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| 137 | show_help
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| 138 | exit 0
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| 139 | ;;
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| 140 | *)
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| 141 | die "Invalid argument '$1'"
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| 142 | ;;
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| 143 | esac
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| 144 | shift
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| 145 | done
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| 146 | }
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| 147 |
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| 148 | main() {
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| 149 | parse_flags "$@" # sets FLAG_*
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| 150 |
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| 151 | if test -f "$OVM_PATH"; then
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| 152 | # Python tarball keeps 'oil' for compatibility
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| 153 | install_bin_and_links "$OVM_PATH" "$OVM_NAME" osh ysh oil
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| 154 | elif test -f "$OILS_PATH"; then
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| 155 | # new name is 'ysh', which points at oils-for-unix
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| 156 | install_bin_and_links "$OILS_PATH" 'oils-for-unix' osh ysh
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| 157 | else
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| 158 | die "Couldn't find $OVM_PATH or $OILS_PATH"
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| 159 | fi
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| 160 | }
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| 161 |
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| 162 | main "$@"
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