pmm: add yay support

ReleaseNotes.md

@@ -1,3 +1,7 @@
+# 0.7.14beta12
+
+- Add pmm yay support
+
 # 0.7.14beta11
 
 - Fix Path handling in crossfs ini filter

src/slash-bedrock/etc/bedrock.conf

@@ -482,6 +482,17 @@ ignore-non-system-package-managers = true
 # stratum.  See `brl hide --help` and `brl show --help`.
 #
 
+#
+# Some package managers such as yay recommend against running as root.  If pmm
+# is called as root, pmm will call such package managers with this user via
+# `sudo`.
+#
+# sudo sets $SUDO_USER accordingly and is thus a good general default if pmm is
+# called via sudo.  If you do not use this, consider setting it either your
+# primary user or a dedicated unprivileged user.
+#
+unprivileged-user = $SUDO_USER
+
 #
 # Most package managers support only a subset of available operations.  If a
 # given package manager is unable to fulfill an operation, it is skipped.

src/slash-bedrock/libexec/pmm

@@ -61,6 +61,18 @@ color[\"strat\"] = \"${color_strat}\"
 color[\"sub\"]   = \"${color_sub}\"
 color[\"warn\"]  = \"${color_warn}\""
 
+# Check if running as root user
+if [ "$(id -u)" -eq 0 ]; then
+	initialize_awk_variables="${initialize_awk_variables}
+am_root=1"
+fi
+
+#
+# Gather unprivileged user
+#
+initialize_awk_variables="${initialize_awk_variables}
+unprivileged_user=\"$(cfg_value "pmm" "unprivileged-user" | sed -e "s/['\"\\]/\\\&/" -e "s/^x//")\""
+
 #
 # Check if warnings are desired when skipping package managers.
 #
@@ -130,10 +142,6 @@ cfg_ignore_non_system_package_managers=1"
 	if [ "${cfg_cache_package_manager_list}" = "true" ]; then
 		initialize_awk_variables="${initialize_awk_variables}
 cfg_cache_package_manager_list=1"
-		if [ "$(id -u)" -eq 0 ]; then
-			initialize_awk_variables="${initialize_awk_variables}
-am_root=1"
-		fi
 	fi
 fi
 
@@ -675,7 +683,7 @@ function generate_pairs(_return, unfiltered_pairs,
 		notice("Run as root to generate package manager cache")
 	}
 
-	# Get ordered list of everything to consider
+	# Get ordered list of everything to consider.  Duplicates will be filtered out later.
 	for (i = 1; i in cfg_pmm_priority; i++) {
 		partial_considerations[++partial_consideration_count] = cfg_pmm_priority[i]
 	}
@@ -707,17 +715,20 @@ function generate_pairs(_return, unfiltered_pairs,
 					considerations[++consideration_count] = pair "" i
 				}
 			}
-			for (i in package_manager_canary_executables) {
-				if (!(i in system_package_managers)) {
-					considerations[++consideration_count] = pair "" i
+			if (!cfg_ignore_non_system_package_managers) {
+				for (i in package_manager_canary_executables) {
+					if (!(i in system_package_managers)) {
+						considerations[++consideration_count] = pair "" i
+					}
 				}
 			}
 		} else {
 			abort("Unrecognized [pmm]/priority entry: "partial_considerations[i])
 		}
 	}
 
-	# Build final (unfiltered) pair list.  Remove disallowed and repeated items.
+	# Build final (unfiltered) pair list.  Remove repeated items and items
+	# which do not exist on disk.
 	for (c = 1; c in considerations; c++) {
 		pair = considerations[c]
 		split(pair, a, ":")
@@ -767,6 +778,11 @@ function prep_shell_environment(stratum, package_manager, items,
 		_local, output, f, i, a, count) {
 	output = "export stratum=\""shell_escape(stratum)"\";"
 	output = output " export package_manager=\""shell_escape(package_manager)"\";"
+	if (am_root && unprivileged_user) {
+		output = output " export unprivileged_user=\"sudo -u " unprivileged_user "\";"
+	} else {
+		output = output " export unprivileged_user=\"\";"
+	}
 	output = output " export flags=\""
 	count = 0
 	for (f in global_flags) {

src/slash-bedrock/share/pmm/package_managers/pacman

@@ -43,7 +43,7 @@ user_interfaces["pacman", "mark-packages-implicit"]   = "pmm -D/--database --asd
 user_interfaces["pacman", "show-package-information"] = "pmm -S/--sync -i/--info <pkgs>"
 user_interfaces["pacman", "clear-cache"]              = "pmm -S/--sync -c/--clean"
 user_interfaces["pacman", "remove-orphans"]           = "" # no user facing command
-user_interfaces["pacman", "update-package-database"]  = "" # no separate file database concept, uses combine
+user_interfaces["pacman", "update-package-database"]  = "pmm -S/--sync -y/--refresh"
 user_interfaces["pacman", "update-file-database"]     = "pmm -F/--files -y/--refresh"
 user_interfaces["pacman", "upgrade-packages-limited"] = "" # no partial upgrade concept
 user_interfaces["pacman", "upgrade-packages-full"]    = "pmm -S/--sync -u/--sysupgrade"
@@ -83,7 +83,7 @@ user_interfaces["pacman", "upgrade-packages-full,install-packages"]
 user_interfaces["pacman", "update-package-database,upgrade-packages-partial,install-packages"]                      = ""
 user_interfaces["pacman", "update-package-database,upgrade-packages-full,install-packages"]                         = ""
 user_interfaces["pacman", "update-package-database,update-file-database,upgrade-packages-partial,install-packages"] = ""
-user_interfaces["pacman", "update-package-database,update-file-database,upgrade-packages-full,install-packages"]    = "pmm -S/--sync -y/--refresh -u/--sysupgrade <pkgs>"
+user_interfaces["pacman", "update-package-database,update-file-database,upgrade-packages-full,install-packages"]    = ""
 
 implementations["pacman", "clear-cache,remove-orphans"]                                                             = ""
 implementations["pacman", "mark-packages-implicit,remove-orphans"]                                                  = ""
@@ -100,8 +100,8 @@ implementations["pacman", "upgrade-packages-limited,install-packages"]
 implementations["pacman", "upgrade-packages-full,install-packages"]                                                 = "strat -r ${stratum} pacman ${flags} -Su --asexplicit ${items}"
 implementations["pacman", "update-package-database,upgrade-packages-partial,install-packages"]                      = "strat -r ${stratum} pacman ${flags} -Syu --asexplicit ${items}"
 implementations["pacman", "update-package-database,upgrade-packages-full,install-packages"]                         = "strat -r ${stratum} pacman ${flags} -Syu --asexplicit ${items}"
-implementations["pacman", "update-package-database,update-file-database,upgrade-packages-partial,install-packages"] = "strat -r ${stratum} pacman ${flags} -Syu --asexplicit ${items}"
-implementations["pacman", "update-package-database,update-file-database,upgrade-packages-full,install-packages"]    = "strat -r ${stratum} pacman ${flags} -Syu --asexplicit ${items}"
+implementations["pacman", "update-package-database,update-file-database,upgrade-packages-partial,install-packages"] = ""
+implementations["pacman", "update-package-database,update-file-database,upgrade-packages-full,install-packages"]    = ""
 
 #
 # Operations which have a standardized output format.
@@ -121,7 +121,7 @@ implementations["pacman", "list-installed-explicit"]      = "strat -r ${stratum}
 implementations["pacman", "list-installed-implicit"]      = "strat -r ${stratum} pacman -Qd | cut -d' ' -f1"
 implementations["pacman", "list-installed-packages"]      = "strat -r ${stratum} pacman -Q | cut -d' ' -f1"
 implementations["pacman", "list-available-packages"]      = "strat -r ${stratum} pacman -Sl | cut -d' ' -f2"
-implementations["pacman", "search-for-package-by-name"]   = "strat -r ${stratum} pacman -Sl | cut -d' ' -f2 | grep ${items}"
+implementations["pacman", "search-for-package-by-name"]   = "strat -r ${stratum} pacman -Sl ${items} | cut -d' ' -f2 | grep ${items}"
 implementations["pacman", "search-for-package-by-all"]    = "strat -r ${stratum} pacman -Ss ${items} | awk -F'[ /]' '/^[^ ]/{print$2}'"
 implementations["pacman", "which-package-owns-file"]      = "strat -r ${stratum} pacman -Qo ${items} | awk '{print$(NF-1)}'"
 implementations["pacman", "which-packages-provide-file"]  = "strat -r ${stratum} pacman -F ${items} |\