silence .zshenv in non-interactive mode to fix git

[dotfiles.git] / base / .zshenv

diff --git a/base/.zshenv b/base/.zshenv
index 2ed1fc88703b8753892e607a705426ad600b05d8..18b4552374fdcf010afd58d75ee61111f1765d6b 100644 (file)
--- a/base/.zshenv
+++ b/base/.zshenv
@@ -1,4 +1,131 @@
+### unset unwanted options that could be set in /etc/zshenv
+unsetopt SH_WORD_SPLIT KSH_ARRAYS
+
+### check if su
+if [[ -v _sev_olduser && $_sev_olduser != $USERNAME ]] _sev_reset_shell=
+export _sev_olduser=$USERNAME
+
+### exports for all new shells
+if [[ -v _sev_reset_shell || $SHLVL == 1 ]] {
+    ## lang
+    export CHARSET=UTF-8
+    export LANG=en_US.UTF-8
+    export LC_CTYPE=$LANG
+
+    ## path
+    typeset -U path fpath
+    if [[ $SHLVL  == 1 ]] {
+        # take a backup before any customizations
+        export _sev_sys_PATH=$PATH
+        export _sev_sys_FPATH=$FPATH
+    }
+    # /usr/{pkg,local,games} are unix/bsdisms
+    path=({~/,/,/usr/}sbin {~/,/,/usr/}bin /usr/pkg/{s,}bin /usr/X11R{7,6}/bin
+          /usr/local/{s,}bin /usr/games)
+    PATH=$PATH:$_sev_sys_PATH
+    fpath=(${ZDOTDIR:-$HOME/.zsh}/functions/{*,Completions/*}(N))
+    #fpath is not exported by default
+    export FPATH=$FPATH:$_sev_sys_FPATH
+    # take another backup, explained in .zprofile
+    typeset -U _backup_path
+    _backup_path=("${path[@]}")
+
+    ## xdg
+    export XDG_CONFIG_HOME=~/etc
+    export XDG_CONFIG_DIRS=~/.config:/usr/pkg/etc/xdg:/usr/local/etc/xdg:/etc/xdg
+    export XDG_DATA_HOME=~/share
+    export XDG_DATA_DIRS=~/.local/share:/usr/pkg/share:/usr/local/share:/usr/share
+    export XDG_CACHE_HOME=~/tmp
+    export XDG_RUNTIME_DIR=~/tmp
+
+    ## create tmp link
+    t=${TMPDIR:-/tmp}/home-$LOGNAME
+    h=$HOME/tmp
+    if [[ ! -e $t ]] {
+        mkdir -m 700 $t >/dev/null 2>&1
+        # TODO: check if dir exists after mkdir
+    }
+    # allow opaque entries to override link creation
+    if [[ ! -e $h ]] {
+        ln -sf $t $h >/dev/null 2>&1
+    }
+    unset t h
+
+    ## ssh agents
+    # NOTE: preferred order of agents to check: okcagent, gnupg, openssh
+    #       first block takes care of okcagent and openssh, second gnupg
+    print -nP "%F{blue}>>>%f SSH: %F{green}"
+    if [[ ! -v SSH_AUTH_SOCK && ( -v commands[okc-ssh-agent] ||
+          ( -v commands[ssh-agent] && ! -v commands[gpg] ) ) ]] {
+        okc=${commands[okc-ssh-agent]:+okc-}
+        agentfile=~/tmp/${okc}ssh-agent-exports
+        typeset sock=
+        typeset -i pid=
+        if [[ -f $agentfile ]] {
+            IFS=$'\0' read -r sock pid <$agentfile
+        }
+        if [[ -S $sock && $pid > 0 ]] && kill -0 $pid; then
+            [[ -o interactive ]] && echo "Reusing agent pid $pid"
+            export SSH_AUTH_SOCK=$sock
+            export SSH_AGENT_PID=$pid
+        else
+            # TODO: ensure ssh-agent path looks legit
+            #       to avoid unsafe eval?
+            # NOTE: no way around doing redirection like this I think
+            e=${okc}ssh-agent
+            if [[ -o interactive ]] {
+                eval `$e`
+            } else {
+                eval `$e` >/dev/null 2>&1
+            }
+            echo -n $SSH_AUTH_SOCK$'\0'$SSH_AGENT_PID >!$agentfile
+        fi
+        unset okc agentfile sock pid
+    } elif [[ -v commands[gpg] && ! -S $_GNUPG_SOCK_DEST && \
+              ( ! -v SSH_AUTH_SOCK || -v DISPLAY ) ]] {
+        export GPG_TTY=$(tty)
+        export PINENTRY_USER_DATA=USE_TTY=$((!${+DISPLAY}))
+        gpg-connect-agent UPDATESTARTUPTTY /bye >/dev/null 2>&1
+        [[ -o interactive ]] && gpg-connect-agent /subst /serverpid \
+            '/echo GPG agent pid ${get serverpid}' /bye
+        [[ ! -v SSH_AUTH_SOCK ]] && \
+            export SSH_AUTH_SOCK=$(gpgconf --list-dirs agent-ssh-socket)
+    } else {
+        [[ -o interactive ]] && echo "Pre-existing or remote agent"
+    }
+
+    ## gpg ssh forwarding
+    # ssh automatically tunnels SSH_AUTH_SOCK with the right config, but GPG
+    # doesn't—we use a RemoteForward rule in ~/.ssh/config that uses these env
+    # vars to push the gpg extra socket through when connecting via ssh
+    # HACK: this entire thing sucks but there is no other easy way that works
+    #       out of the box with other systems
+    if [[ -v commands[gpgconf] ]] {
+        # if already connected over SSH, reuse forwarded socket for future
+        # connections; else use extra socket
+        sock=${SSH_CLIENT:+agent-socket}
+        export _GNUPG_SOCK_SRC=$(gpgconf --list-dirs ${sock:-agent-extra-socket})
+        unset sock
+        # XXX: multiple SSH sessions to the same host will overwrite this
+        #      socket, no way to send unique paths without configuring explicit
+        #      SendEnv and AcceptEnv exclusions on client and host respectively
+        export _GNUPG_SOCK_DEST=/tmp/.gpg-agent-forward
+        # if socket exists already, we are on a RemoteForwarded client, so copy
+        # it over so that GPG sees it
+        # XXX: race condition if connecting multiple terminals at once
+        if [[ -S $_GNUPG_SOCK_DEST ]] {
+            unlink $_GNUPG_SOCK_SRC >/dev/null 2>&1
+            mv $_GNUPG_SOCK_DEST $_GNUPG_SOCK_SRC >/dev/null
+        }
+    }
+}
+

 ### load site-specific
 if [[ -f ~/.zshenv.local ]] { source ~/.zshenv.local }
 
 ### load site-specific
 if [[ -f ~/.zshenv.local ]] { source ~/.zshenv.local }
 

+### source .zprofile
+# if we used su, without --login, let's run zprofile ourselves
+# XXX: system zprofile is not run
+if [[ -v _sev_reset_shell || $SHLVL == 1 ]] source ~/.zprofile
+

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