zshenv: add go env vars

[dotfiles.git] / etc / zsh / .zshenv

diff --git a/etc/zsh/.zshenv b/etc/zsh/.zshenv
index 56f80dc83749a4ffcab265af94ead48dd31520bc..1248dbf6f9d23ddc9f4007eb3862748f2d68b3e2 100644 (file)
--- a/etc/zsh/.zshenv
+++ b/etc/zsh/.zshenv
@@ -3,6 +3,8 @@
 # XXX: only call after relevant vars have been set up, defined early so that
 #      below code can utilize it after they do so
 function _sev_zcleanup {
+    local x p y
+
     # gpg forwarding
     if [[ -d $_sev_gpg_forward_dir && ( -z $1 || $1 == 'gpg-forward' ) ]] {
         # clean up forward dirs if its session is dead or we ask for it
@@ -25,7 +27,7 @@ function _sev_zcleanup {
             }
         }
         # reset GNUPGHOME if we removed our own dir
-        if [[ $GNUPGHOME =~ '/.ssh_forward/\d+/*$' && ! -e $GNUPGHOME ]]
+        if [[ $GNUPGHOME =~ '/.ssh_forward/\d+/*$' && ! -d $GNUPGHOME ]]
             GNUPGHOME=${GNUPGHOME%$MATCH}
     }
 
@@ -46,27 +48,31 @@ function _sev_zcleanup {
             }
         }
     }
-
-    unset x p y
 }
 
 function _sev_setpath {
-    # NOTE: we utilize the fact that unique arrays keep the first occurrence and
-    #       remove any further occurences to capture elements from the old PATH
-    #       that we did not anticipate and shift them to the front, since they are
-    #       probably important to the system
-    typeset -U path fpath
     # add as many generic paths as possible to keep the order we want
-    # NOTE: /usr/{local,pkg,games} are unix/bsdisms
-    # XXX: PREFIX not validated, non-posix but Termux uses it, maybe others
+    # NOTE: tied arrays path and fpath already exist, but are not unique (-U);
+    #       we utilize the fact that unique arrays keep the first occurrence
+    #       and remove any further occurences to check for elements from the
+    #       old PATH that we did not anticipate and shift them to the front,
+    #       since they are probably important to the system
+    typeset -gU path fpath
+    local -a syspath=("$path[@]")
+    # NOTE: /usr/{pkg,games} are unix/bsdisms
+    # NOTE: some systems (esp. research machines) may have multiple versions of
+    #       packages installed in /opt/[pkg]/[ver]/bin or other dirs, managed
+    #       with something like Environment Modules. this code does not account
+    #       for this type of usage and will add all valid paths. any undesired
+    #       paths can be removed using .zshenv.local.
+    # XXX: PREFIX not validated, non-POSIX but Termux uses it, maybe others
     # XXX: XDG specifies ~/.local/bin as the only user-writable dir for
     #      executables, but we specify more; technically this is against spec
-    syspath=("$path[@]")
-    path=({{${_sev_home:-~},~}{/.local,},{$PREFIX,}{,/opt,/usr{,/local,/pkg}}}/{s,}bin
+    path=({{${_sev_home:-~},~}{/.local,},{$PREFIX,}{,/usr{,/local,/pkg},/opt{,/*{/*,}}}}/{s,}bin(N)
           {$PREFIX,}/usr/{X11R{7,6}/bin,games}
           # emulate Arch Linux flatpak-bindir.sh for use on other systems
           {${XDG_DATA_HOME:-~/.local/share},{$PREFIX,}/var/lib}/flatpak/exports/bin)
-    ((len=$#path))
+    local -i i len=$#path
     path=("$path[@]" "$syspath[@]")
     # remove bad paths
     for (( i = 1; i <= $#path; i++ )) {
@@ -91,8 +97,8 @@ function _sev_setpath {
     }
     # FPATH is not exported by default
     export FPATH
+    # un-unique system arrays for consistency
     typeset +U path fpath
-    unset syspath len i
 }
 
 ### common exports
@@ -103,7 +109,7 @@ export LANG=${LANG:-en_US.UTF-8}
 [[ -v _sev_home ]] || export _sev_home=$HOME
 
 ## fix broken term
-# NOTE: we do this here instead of .zshrc since we might echo stuff
+# NOTE: we do this here instead of .zshrc since we might print stuff
 if [[ -t 1 ]] { # only if stdout is tty
     [[ ! -v TERM ]] && export TERM=xterm-256color >/dev/null 2>&1
     if [[ $#terminfo -eq 0 ]] {
@@ -149,7 +155,7 @@ if [[ ! -v _sev_setup_path || -o login ]] {
 #       chances of that are slim.
 if [[ ! -v _sev_tmp ]] {
     # create personal TMPDIR under system tmp
-    t=${TMPDIR:-${TEMPDIR:-${TEMP:-${TMP:-/tmp}}}}/.home-$LOGNAME
+    t=${TMPDIR:-${TEMPDIR:-${TEMP:-${TMP:-${${TMPPREFIX%/zsh}:-/tmp}}}}}/.home-$LOGNAME
     [[ -e $t ]] || mkdir -m700 $t 2>/dev/null
     _sev_tmp=~/.local/tmp
     if [[ ! -d $t ]] {
@@ -188,7 +194,7 @@ if [[ ! -v _sev_tmp ]] {
               print -P "%F{red}!!! Can't create session tmp subdir $t, using $_sev_tmp%f"
             t=$_sev_tmp
         fi
-        export _sev_tmp TMPDIR=$t TEMPDIR=$t TEMP=$t TMP=$t
+        export _sev_tmp TMPDIR=$t TEMPDIR=$t TEMP=$t TMP=$t TMPPREFIX=$t/zsh
     }
     unset t
 }
@@ -205,7 +211,7 @@ if [[ ! -v _sev_setup_xdg ]] {
     # include any of the below dirs there, but you never know what crazy shit
     # people will do. I rather handle them sanely with our own code than let
     # them override after the fact.
-    [[ -e $XDG_CONFIG_HOME/user-dirs.dirs ]] &&
+    [[ -f $XDG_CONFIG_HOME/user-dirs.dirs ]] &&
       emulate sh -c "source $XDG_CONFIG_HOME/user-dirs.dirs"
 
     typeset -UT XDG_DATA_DIRS xdg_data_dirs
@@ -215,8 +221,7 @@ if [[ ! -v _sev_setup_xdg ]] {
         mkdir -m760 ~/.local/share
     }
     xdg_data_dirs=($XDG_DATA_HOME /{opt,usr/local,usr/pkg,usr}/share
-      ${XDG_DATA_DIRS:+"$xdg_data_dirs[@]"})
-    xdg_data_dirs=${xdg_data_dirs:#}
+      ${XDG_DATA_DIRS:+${xdg_data_dirs%%/}})
     export XDG_DATA_DIRS
 
     typeset -UT XDG_CONFIG_DIRS xdg_config_dirs
@@ -227,9 +232,9 @@ if [[ ! -v _sev_setup_xdg ]] {
     }
     # I am of the belief .local should follow FHS /usr/local...
     [[ -e ~/.local/etc ]] || ln -s ~/.config ~/.local/etc
-    xdg_config_dirs=($XDG_CONFIG_HOME ${XDG_CONFIG_DIRS:+"$xdg_config_dirs[@]"}
+    xdg_config_dirs=($XDG_CONFIG_HOME
+      ${XDG_CONFIG_DIRS:+${xdg_config_dirs%%/}}
       {/opt,/usr/local,/usr/pkg,}/etc/xdg)
-    xdg_config_dirs=${xdg_config_dirs:#}
     export XDG_CONFIG_DIRS
 
     if [[ -v XDG_STATE_HOME ]] {
@@ -287,6 +292,12 @@ if [[ ! -v GNUPGHOME ]] {
   eval $(perl -I$XDG_DATA_HOME/perl5/lib/perl5 \
               -Mlocal::lib=$XDG_DATA_HOME/perl5 2>/dev/null)
 
+## go
+if [[ -v commands[go] ]] {
+    [[ ! -v GOPATH ]] && export GOPATH=${XDG_DATA_HOME:-~/.local/share}/go:~/go
+    [[ ! -v GOBIN  ]] && export GOBIN=~/.local/bin
+}
+
 ### load zshenv site-specific
 autoload -Uz load-site-dotfile
 load-site-dotfile zshenv