Windows: fix pwsh env activate/deactivate; load/unload (#39118)

These commands are currently broken on powershell (Windows) due to
improper use of the InvokeCommand commandlet and a lack of direct
support for the `--pwsh` argument in `spack load`, `spack unload`,
and `spack env deactivate`.

2 files changed, 12 insertions, 6 deletions

diff --git a/share/spack/spack-completion.bash b/share/spack/spack-completion.bash
index 63e1aa6d5c..d41b540a0e 100755
--- a/share/spack/spack-completion.bash
+++ b/share/spack/spack-completion.bash
@@ -1012,7 +1012,7 @@ _spack_env_activate() {
 }
 
 _spack_env_deactivate() {
-    SPACK_COMPREPLY="-h --help --sh --csh --fish --bat"
+    SPACK_COMPREPLY="-h --help --sh --csh --fish --bat --pwsh"
 }
 
 _spack_env_create() {
@@ -1304,7 +1304,7 @@ _spack_list() {
 _spack_load() {
     if $list_options
     then
-        SPACK_COMPREPLY="-h --help --sh --csh --fish --bat --first --only --list"
+        SPACK_COMPREPLY="-h --help --sh --csh --fish --bat --pwsh --first --only --list"
     else
         _installed_packages
     fi
@@ -1922,7 +1922,7 @@ _spack_unit_test() {
 _spack_unload() {
     if $list_options
     then
-        SPACK_COMPREPLY="-h --help --sh --csh --fish --bat -a --all"
+        SPACK_COMPREPLY="-h --help --sh --csh --fish --bat --pwsh -a --all"
     else
         _installed_packages
     fi
diff --git a/share/spack/spack-completion.fish b/share/spack/spack-completion.fish
index 967ec96207..c4b9d47871 100755
--- a/share/spack/spack-completion.fish
+++ b/share/spack/spack-completion.fish
@@ -1442,7 +1442,7 @@ complete -c spack -n '__fish_spack_using_command env activate' -s d -l dir -r -f
 complete -c spack -n '__fish_spack_using_command env activate' -s d -l dir -r -d 'activate the environment in this directory'
 
 # spack env deactivate
-set -g __fish_spack_optspecs_spack_env_deactivate h/help sh csh fish bat
+set -g __fish_spack_optspecs_spack_env_deactivate h/help sh csh fish bat pwsh
 complete -c spack -n '__fish_spack_using_command env deactivate' -s h -l help -f -a help
 complete -c spack -n '__fish_spack_using_command env deactivate' -s h -l help -d 'show this help message and exit'
 complete -c spack -n '__fish_spack_using_command env deactivate' -l sh -f -a shell
@@ -1453,6 +1453,8 @@ complete -c spack -n '__fish_spack_using_command env deactivate' -l fish -f -a s
 complete -c spack -n '__fish_spack_using_command env deactivate' -l fish -d 'print fish commands to activate the environment'
 complete -c spack -n '__fish_spack_using_command env deactivate' -l bat -f -a shell
 complete -c spack -n '__fish_spack_using_command env deactivate' -l bat -d 'print bat commands to activate the environment'
+complete -c spack -n '__fish_spack_using_command env deactivate' -l pwsh -f -a shell
+complete -c spack -n '__fish_spack_using_command env deactivate' -l pwsh -d 'print pwsh commands to activate the environment'
 
 # spack env create
 set -g __fish_spack_optspecs_spack_env_create h/help d/dir keep-relative without-view with-view=
@@ -1972,7 +1974,7 @@ complete -c spack -n '__fish_spack_using_command list' -l update -r -f -a update
 complete -c spack -n '__fish_spack_using_command list' -l update -r -d 'write output to the specified file, if any package is newer'
 
 # spack load
-set -g __fish_spack_optspecs_spack_load h/help sh csh fish bat first only= list
+set -g __fish_spack_optspecs_spack_load h/help sh csh fish bat pwsh first only= list
 complete -c spack -n '__fish_spack_using_command_pos_remainder 0 load' -f -a '(__fish_spack_installed_specs)'
 complete -c spack -n '__fish_spack_using_command load' -s h -l help -f -a help
 complete -c spack -n '__fish_spack_using_command load' -s h -l help -d 'show this help message and exit'
@@ -1984,6 +1986,8 @@ complete -c spack -n '__fish_spack_using_command load' -l fish -f -a shell
 complete -c spack -n '__fish_spack_using_command load' -l fish -d 'print fish commands to load the package'
 complete -c spack -n '__fish_spack_using_command load' -l bat -f -a shell
 complete -c spack -n '__fish_spack_using_command load' -l bat -d 'print bat commands to load the package'
+complete -c spack -n '__fish_spack_using_command load' -l pwsh -f -a shell
+complete -c spack -n '__fish_spack_using_command load' -l pwsh -d 'print pwsh commands to load the package'
 complete -c spack -n '__fish_spack_using_command load' -l first -f -a load_first
 complete -c spack -n '__fish_spack_using_command load' -l first -d 'load the first match if multiple packages match the spec'
 complete -c spack -n '__fish_spack_using_command load' -l only -r -f -a 'package dependencies'
@@ -2845,7 +2849,7 @@ complete -c spack -n '__fish_spack_using_command unit-test' -l showlocals -f -a
 complete -c spack -n '__fish_spack_using_command unit-test' -l showlocals -d 'show local variable values in tracebacks'
 
 # spack unload
-set -g __fish_spack_optspecs_spack_unload h/help sh csh fish bat a/all
+set -g __fish_spack_optspecs_spack_unload h/help sh csh fish bat pwsh a/all
 complete -c spack -n '__fish_spack_using_command_pos_remainder 0 unload' -f -a '(__fish_spack_installed_specs)'
 complete -c spack -n '__fish_spack_using_command unload' -s h -l help -f -a help
 complete -c spack -n '__fish_spack_using_command unload' -s h -l help -d 'show this help message and exit'
@@ -2857,6 +2861,8 @@ complete -c spack -n '__fish_spack_using_command unload' -l fish -f -a shell
 complete -c spack -n '__fish_spack_using_command unload' -l fish -d 'print fish commands to load the package'
 complete -c spack -n '__fish_spack_using_command unload' -l bat -f -a shell
 complete -c spack -n '__fish_spack_using_command unload' -l bat -d 'print bat commands to load the package'
+complete -c spack -n '__fish_spack_using_command unload' -l pwsh -f -a shell
+complete -c spack -n '__fish_spack_using_command unload' -l pwsh -d 'print pwsh commands to load the package'
 complete -c spack -n '__fish_spack_using_command unload' -s a -l all -f -a all
 complete -c spack -n '__fish_spack_using_command unload' -s a -l all -d 'unload all loaded Spack packages'