X-Git-Url: https://git.sev.monster/~sev/dotfiles.git/blobdiff_plain/3fcf651cfeaf7e260d302b61b973e1563f73ba10..390f6e6794cd2b91450cc2731c2e403062e9e650:/etc/zsh/.zprofile?ds=inline

diff --git a/etc/zsh/.zprofile b/etc/zsh/.zprofile
index 57c9ffc..170f4de 100644
--- a/etc/zsh/.zprofile
+++ b/etc/zsh/.zprofile
@@ -10,195 +10,10 @@
 # this file respects non-interactive sessions and will not intentionally emit
 # output.
 
-### cleanup
-# 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 {
-    ## 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
-        find $_sev_gpg_forward_dir -mindepth 1 -maxdepth 1 -type d |
-          while {read -r x} {
-            # NOTE: the only way we can get here is if we have not been
-            #       forwarded before, if the user asks for it, or during
-            #       logout. if our own pid already has a dir, it is most likely
-            #       stale, the user wants it removed, or something is very
-            #       broken—in all 3 of these cases the best choice is remove it.
-            p=$(basename $x)
-            if {[[ -v _sev_gpg_forward_clean || $$ == $p ]] ||
-                    ! kill -0 $p 2>/dev/null} {
-                find $x -mindepth 1 -maxdepth 1 | while {read -r y} {
-                    # XXX: real dirs will stop unlink, consider it a feature
-                    unlink $y
-                }
-                # don't force in case something important is still there
-                rmdir $x
-            }
-        }
-        # reset GNUPGHOME if we removed our own dir
-        if [[ $GNUPGHOME =~ '/.ssh_forward/\d+/*$' && ! -e $GNUPGHOME ]]
-            GNUPGHOME=${GNUPGHOME%$MATCH}
-    }
-
-    ## tmp
-    # NOTE: _sev_tmp is not unset so session dirs will not be recreated
-    # NOTE: XDG dirs that use our tmp are not unset here, they are in zlogout
-    if [[ -d $_sev_tmp && ( -z $1 || $1 == 'tmp' ) ]] {
-        # clean up tmp dirs if its session is dead or we ask for it
-        find $_sev_tmp -mindepth 1 -maxdepth 1 -name '.session.*' -type d |
-          while {read -r x} {
-            # NOTE: same rationale as above
-            p=${$(basename $x)#.session.}
-            if {[[ -v _sev_tmp_clean || $$ == $p ]] ||
-                    ! kill -0 $p 2>/dev/null} {
-                rm -rf $x
-            }
-        }
-    }
-
-    unset x p y
-}
-
-### xdg local dir
-# NOTE: need this for tmp, so confirm it exists.
-# XXX: perms are not specified for XDG dirs except runtime, but I think 760
-#      makes the most sense. shouldn't break anything since no one else should
-#      be poking around in our dir.
-[[ -e ~/.local ]] || mkdir -m760 ~/.local
-
-### tmp
-# NOTE: specs say that POSIX tmp and XDG runtime directories should exist
-#       until the last session is logged out (POSIX can exist for longer).
-#       since we can't reliably keep track of sessions in a cross-platform
-#       manner, the current implementation should use a separate directory per
-#       toplevel session (i.e. SHLVL=1). this should placate most applications,
-#       though it is not expressly spec compliant. this may also cause problems
-#       with disowned applications that still try to use the directories after
-#       the toplevel shell has already logged out and the dirs removed, but the
-#       chances of that are slim.
-if [[ ! -v _sev_tmp ]] {
-    # create personal TMPDIR under system tmp
-    t=${TMPDIR:-${TEMPDIR:-${TEMP:-${TMP:-/tmp}}}}/.home-$LOGNAME
-    [[ -e $t ]] || mkdir -m700 $t 2>/dev/null
-    _sev_tmp=~/.local/tmp
-    if [[ ! -d $t ]] {
-        # fallback TMPDIR to bare local directory or existing softlink
-        [[ -o interactive ]] &&
-          print -P "%F{orange}*** Can't create tmp dir $t, using $_sev_tmp%f"
-        [[ -h $_sev_tmp && ! -d _sev_tmp ]] && unlink $_sev_tmp 2>/dev/null
-        [[ ! -e $_sev_tmp ]] && mkdir -m700 $_sev_tmp 2>/dev/null
-        if [[ ! -d $_sev_tmp ]] {
-            _sev_tmp=${$(mktemp 2>/dev/null):/tmp}
-            [[ -o interactive ]] &&
-              print -P "%F{red}!!! Can't create tmp dir, using $_sev_tmp%f"
-        }
-    } elif [[ -f $_sev_tmp || ( -d $_sev_tmp && ! -h $_sev_tmp ) ]] {
-        # file or non-softlink directory is on our local dir
-        [[ -o interactive ]] &&
-          print -P "%F{orange}*** $_sev_tmp exists, can't link to tmp dir $t, ignoring it%f"
-        _sev_tmp=$t
-    } else {
-        # link local dir to tmp dir
-        if [[ -h $_sev_tmp && $_sev_tmp:P != $t:P ]] {
-            [[ -o interactive ]] &&
-              print -P "%F{orange}*** $_sev_tmp links to ${_sev_tmp:P} and not ${t:P}, unlinking it%f"
-            # XXX: race condition for existing sessions still using this dir
-            unlink $_sev_tmp 2>/dev/null
-        }
-        ln -s $t $_sev_tmp 2>/dev/null
-    }
-    if [[ -v _sev_tmp ]] {
-        # ensure dir is clean
-        _sev_zcleanup tmp
-        # finally create our subdir for this session
-        t=$_sev_tmp/.session.$$
-        if ! mkdir -m700 $t 2>/dev/null; then
-            [[ -o interactive ]] &&
-              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
-    }
-    unset t
-}
-
-### xdg
-if [[ ! -v _sev_setup_xdg ]] {
-    ## merge with any existing dirs and remove duplicates using unique arrays
-    # NOTE: we are accepting whatever value might be set for CONFIG and DATA;
-    #       if it wasn't set, we just use default and leave it unset
-    # NOTE: include and then remove CONFIG_HOME and DATA_HOME to ensure they
-    #       are not present in the array if it was added before we got to it
-
-    # source user dirs before other vars; technically it is against spec to
-    # 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 ]] &&
-      emulate sh -c "source $XDG_CONFIG_HOME/user-dirs.dirs"
-
-    typeset -UT XDG_DATA_DIRS xdg_data_dirs
-    if [[ -v XDG_DATA_HOME ]] {
-        export XDG_DATA_HOME
-    } elif [[ ! -e ~/.local/share ]] {
-        mkdir -m760 ~/.local/share
-    }
-    xdg_data_dirs=($XDG_DATA_HOME /{opt,usr/local,usr/pkg,usr}/share
-      ${XDG_DATA_DIRS:+"$xdg_data_dirs[@]"})
-    # XXX: if colons are not escaped, could remove unintended part of string
-    # TODO: remove empty element via array not scalar
-    export XDG_DATA_DIRS=${XDG_DATA_DIRS#$XDG_DATA_HOME:}
-
-    typeset -UT XDG_CONFIG_DIRS xdg_config_dirs
-    if [[ -v XDG_CONFIG_HOME ]] {
-        export XDG_CONFIG_HOME
-    } elif [[ ! -e ~/.config ]] {
-        mkdir -m760 ~/.config
-    }
-    # 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[@]"}
-      {/opt,/usr/local,/usr/pkg,}/etc/xdg)
-    # XXX: if colons are not escaped, could remove unintended part of string
-    # TODO: remove empty element via array not scalar
-    export XDG_CONFIG_DIRS=${XDG_CONFIG_DIRS#$XDG_CONFIG_HOME:}
-
-    if [[ -v XDG_STATE_HOME ]] {
-        export XDG_STATE_HOME
-    } elif [[ ! -e ~/.local/state ]] {
-        mkdir -m760 ~/.local/state
-    }
-
-    if [[ -v XDG_CACHE_HOME ]] {
-        export XDG_CACHE_HOME
-    } else {
-        if [[ -v _sev_tmp ]] {
-            export XDG_CACHE_HOME=$_sev_tmp/.xdg.cache
-            [[ -e $XDG_CACHE_HOME ]] || mkdir -m700 $XDG_CACHE_HOME
-        } elif [[ ! -e ~/.cache ]] {
-            mkdir -m700 ~/.cache
-        }
-    }
-
-    if [[ -v XDG_RUNTIME_DIR ]] {
-        # NOTE: this can be set by systemd or other pre-shell supervisor, and
-        #       if any services were started such as pipewire, we need to use
-        #       the existing runtime dir so that we can get any existing
-        #       program sockets or other data
-        export XDG_RUNTIME_DIR
-    } elif [[ -v TMPDIR ]] {
-        # make runtime dir in our session-specific tmpdir
-        export XDG_RUNTIME_DIR=$TMPDIR/.xdg.runtime
-        # same as in tmpdir creation, ensure dir doesn't exist
-        if [[ -h $XDG_RUNTIME_DIR ]] {
-            unlink $XDG_RUNTIME_DIR 2>/dev/null
-        } elif [[ -e $XDG_RUNTIME_DIR ]] {
-            rm -rf $XDG_RUNTIME_DIR 2>/dev/null
-        }
-        mkdir -m700 $XDG_RUNTIME_DIR 2>/dev/null
-    }
-
-    export _sev_setup_xdg=
+### fix path after system profile scripts have possibly mangled it
+if [[ ! -v _sev_setup_path || -o login ]] {
+    _sev_setpath
+    export _sev_setup_path=
 }
 
 ### dbus
@@ -207,15 +22,6 @@ if [[ ! -v DBUS_SESSION_BUS_ADDRESS && -v commands[dbus-launch] ]] {
     export DBUS_SESSION_BUS_ADDRESS DBUS_SESSION_BUS_PID
 }
 
-### gpg home
-if [[ ! -v GNUPGHOME ]] {
-    export GNUPGHOME=${XDG_CONFIG_HOME:-~/.config}/gnupg
-    # move existing gnupg dir to our new home
-    if [[ -d ~/.gnupg && ! -d $GNUPGHOME ]] {
-        mv ~/.gnupg $GNUPGHOME
-    }
-}
-
 ### gpg agent + forwarding
 # NOTE: while ssh manages its auth sock in-protocol when ForwardSsh is enabled,
 #       GPG must be forwarded manually over Unix socket. to support this, we
@@ -244,8 +50,9 @@ if [[ ! -v GNUPGHOME ]] {
 #       therefore, the safest way to ensure unique sockets while not having to
 #       write specific logic for both scenarios is to simply change GNUPGHOME.
 #       the easiest way to do this is to create a new dir and link the contents
-#       of GNUPGHOME to the new home. we can then replace the agent sockets
-#       there with the forwarded one.
+#       of GNUPGHOME to the new home. we can then replace all of the agent
+#       sockets wherever they now are with the forwarded one. in either case we
+#       will be overwriting the session-specific sockets.
 #
 # NOTE: since Unix sockets are not supported under Windows, this will not work
 #       under msys, cygwin, mingw, etc., but may work under wsl2.
@@ -264,7 +71,7 @@ if [[ ! -v GNUPGHOME ]] {
 #       clunky (e.g. asking for password twice) to make it worth it.
 function _gpg_socketpath {
     # dirs are percent-encoded: https://stackoverflow.com/a/64312099
-    echo ${1//(#b)%([[:xdigit:]](#c2))/${(#):-0x$match[1]}}
+    echo -E - ${1//(#b)%([[:xdigit:]](#c2))/${(#):-0x$match[1]}}
 }
 if [[ ! -v _sev_setup_gpg_forward && -v commands[gpg] ]] {
     # XXX: assuming /tmp exists and is writable on destination
@@ -336,18 +143,15 @@ if [[ -v commands[gpg-connect-agent] &&
                 export GPG_TTY=$(tty)
             if [[ ( -v DISPLAY || -v WAYLAND_DISPLAY ) &&
                   ${PINENTRY_USER_DATA/USE_TTY=0} == $PINENTRY_USER_DATA ]]
-                export PINENTRY_USER_DATA=USE_TTY=$((
-                  ${+DISPLAY} + ${+WAYLAND_DISPLAY} == 0))
-            # XXX: don't know if gpg-agent supports comments after directives
-            # XXX: path could have #
+                export PINENTRY_USER_DATA=USE_TTY=0
             # XXX: we are assuming this is our pinentry from .local/bin
-            sed -Ei 's#^([[:space:]]*pinentry-program[[:space:]]).*$#\1'$HOME'/.local/bin/pinentry#' \
+            sed -Ei 's^([[:space:]]*pinentry-program[[:space:]]).*$\1'$HOME'/.local/bin/pinentry' \
               ${GNUPGHOME:-~/.gnupg}/gpg-agent.conf 2>/dev/null
             # XXX: could check for changes before doing this to save perf
             gpg-connect-agent RELOADAGENT UPDATESTARTUPTTY /bye >/dev/null 2>&1
             if {$p} {
                 gpg-connect-agent /subst /serverpid \
-                  "/echo pid \${get serverpid} on $GPG_TTY" /bye 2>/dev/null
+                  "/echo pid \${get serverpid} on ${WAYLAND_DISPLAY:-${DISPLAY:-$GPG_TTY}}" /bye 2>/dev/null
                 print -nP '%f'
             }
         } elif {$p} {
@@ -373,7 +177,7 @@ if [[ ! -v _sev_setup_ssh ]] {
         if [[ -f $e ]] {
             IFS=$'\0' read -r sock pid <$e
         }
-        if [[ -S $sock && $pid > 0 ]] && kill -0 $pid; then
+        if [[ -S $sock && $pid > 0 ]] && kill -0 $pid >/dev/null 2>&1; then
             [[ -o interactive ]] && print -P "Reusing agent PID $pid%f"
             export SSH_AUTH_SOCK=$sock
             export SSH_AGENT_PID=$pid
@@ -384,12 +188,13 @@ if [[ ! -v _sev_setup_ssh ]] {
             #      subshells can't be used to capture output and print.
             c='TMPDIR=$_sev_tmp ${okc}ssh-agent'
             if [[ -o interactive ]] {
+                [[ -n $okc ]] && echo -n 'OKC-'
                 eval $(eval $=c)
                 print -nP '%f'
             } else {
                 eval $(eval $=c) >/dev/null 2>&1
             }
-            echo -n $SSH_AUTH_SOCK$'\0'$SSH_AGENT_PID >!$e
+            echo -En - $SSH_AUTH_SOCK$'\0'$SSH_AGENT_PID >!$e
             unset c
         fi
         unset okc e sock pid
@@ -416,11 +221,5 @@ if [[ ! -v _sev_setup_ssh ]] {
 }
 unfunction _gpg_socketpath
 
-### perl local lib
-[[ -v commands[perl] && -d $XDG_DATA_HOME/perl5/lib/perl5 &&
-   ! -v PERL_LOCAL_LIB_ROOT ]] &&
-  eval $(perl -I$XDG_DATA_HOME/perl5/lib/perl5 \
-              -Mlocal::lib=$XDG_DATA_HOME/perl5 2>/dev/null)
-
 ### load site-specific
 load-site-dotfile zprofile