bottom: install man page and completions

sysutils/bottom/Portfile

@@ -6,7 +6,7 @@ PortGroup           github  1.0
 
 github.setup        ClementTsang bottom 0.14.3
 github.tarball_from archive
-revision            0
+revision            1
 
 description         \
     Yet another cross-platform graphical process/system monitor
@@ -27,13 +27,29 @@ checksums           ${distname}${extract.suffix} \
                     sha256  dca5cd43313c7d5c48bd78e95c778943a45b3cc0f418c368f9d2fe5b44456fa9 \
                     size    3518112
 
+build.env-append    BTM_GENERATE=1
+
+set exec_name       btm
+
 destroot {
     xinstall -m 0755 \
-        ${worksrcpath}/target/[cargo.rust_platform]/release/btm \
+        ${worksrcpath}/target/[cargo.rust_platform]/release/${exec_name} \
         ${destroot}${prefix}/bin/
+    # All supported shells: bash, fish, powershell, zsh, elvish, nushell, fig
+    set comp_path(bash) ${destroot}${prefix}/share/bash-completion/completions/
+    set comp_path(fish) ${destroot}${prefix}/share/fish/vendor_completions.d/
+    set comp_path(zsh)  ${destroot}${prefix}/share/zsh/site-functions/
+    set comp_file(bash) ${exec_name}.bash
+    set comp_file(fish) ${exec_name}.fish
+    set comp_file(zsh)  _${exec_name}
+    foreach shell {bash zsh} {
+        xinstall -d $comp_path(${shell})
+        xinstall -m 0644 ${worksrcpath}/target/tmp/${name}/completion/$comp_file(${shell}) $comp_path(${shell})
+    }
+    xinstall -m 0644 ${worksrcpath}/target/tmp/${name}/manpage/${exec_name}.1 ${destroot}${prefix}/share/man/man1
 }
 
-notes "${name} is installed as btm"
+notes "${name} is installed as ${exec_name}"
 
 cargo.crates \
     aho-corasick                     1.1.4  ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301 \