generalize, a lot

[webi-installers/.git] / golang / install.sh

diff --git a/golang/install.sh b/golang/install.sh
new file mode 100644 (file)
index 0000000..30edb69
--- /dev/null
+++ b/golang/install.sh
@@ -0,0 +1,66 @@
+set -e
+set -u
+
+GOBIN="${HOME}/go"
+GOBIN_REAL="${HOME}/.local/opt/go-bin-v${WEBI_VERSION}"
+
+# The package is 'golang', but the command is 'go'
+pkg_cmd_name="go"
+
+# NOTE: pkg_* variables can be defined here
+#       pkg_cmd_name
+#       pkg_src, pkg_src_bin, pkg_src_cmd
+#       pkg_dst, pkg_dst_bin, pkg_dst_cmd
+#
+# Their defaults are defined in webi/template.bash at https://github.com/webinstall/packages
+
+pkg_get_current_version() {
+    # 'go version' has output in this format:
+    #       go version go1.14.2 darwin/amd64
+    # This trims it down to just the version number:
+    #       1.14.2
+    echo "$(go version 2>/dev/null | head -n 1 | cut -d' ' -f3 | sed 's:go::')"
+}
+
+pkg_format_cmd_version() {
+    # 'go v1.14.0' will be 'go1.14'
+    my_version=$(echo "$1" | sed 's:\.0::g')
+    echo "${pkg_cmd_name}${my_version}"
+}
+
+pkg_link() {
+    # 'pkg_dst' will default to $HOME/.local/opt/go
+    # 'pkg_src' will be the installed version, such as to $HOME/.local/opt/go-v1.14.2
+    rm -rf "$pkg_dst"
+    ln -s "$pkg_src" "$pkg_dst"
+
+    # Go has a special $GOBIN
+
+    # 'GOBIN' is set above to "${HOME}/go"
+    # 'GOBIN_REAL' will be "${HOME}/.local/opt/go-bin-v${WEBI_VERSION}"
+    rm -rf "$GOBIN"
+    mkdir -p "$GOBIN_REAL/bin"
+    ln -s "$GOBIN_REAL" "$GOBIN"
+}
+
+pkg_post_install() {
+    webi_link
+
+    # web_path_add is defined in webi/template.bash at https://github.com/webinstall/packages
+    # Updates PATH with
+    #       "$HOME/.local/opt/go"
+    webi_path_add "$pkg_dst_bin"
+    webi_path_add "$GOBIN/bin"
+
+    # Install x go
+    echo "Building go extended tools (goimports, gorename, gotype, and stringer)"
+    "$pkg_dst_cmd" get golang.org/x/tools/cmd/goimports > /dev/null 2>/dev/null
+    "$pkg_dst_cmd" get golang.org/x/tools/cmd/gorename > /dev/null 2>/dev/null
+    "$pkg_dst_cmd" get golang.org/x/tools/cmd/gotype > /dev/null 2>/dev/null
+    "$pkg_dst_cmd" get golang.org/x/tools/cmd/stringer > /dev/null 2>/dev/null
+}
+
+pkg_done_message() {
+    echo "Installed 'go' v$WEBI_VERSION to ~/.local/opt/go"
+    echo "Installed go 'x' tools to GOBIN=\$HOME/go/bin"
+}