internal/rosa: expose in-place behaviour in generic helper

This change also combines the createDir and wantsDir methods, and replaces the non-inplace target of the generic helper with a deterministic path.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/package/kernel/package.az

@@ -153,7 +153,9 @@ package gen_init_cpio {
 	description = "a program in the kernel source tree for creating initramfs archive";
 	source = kernel-source;
 
+	enterSource = true;
 	exec = generic {
+		inPlace = true;
 		build = `
 mkdir -p /work/system/bin/
 cc -o /work/system/bin/gen_init_cpio usr/gen_init_cpio.c

internal/rosa/package/make.az

@@ -13,7 +13,6 @@ package make {
 	toyboxEarly = true;
 
 	exec = generic {
-		mktemp = true;
 		build = `/usr/src/make/configure \
 	--prefix=/system \
 	--build="${ROSA_TRIPLE}" \

internal/rosa/package/mksh.az

@@ -16,8 +16,6 @@ package mksh {
 	];
 
 	exec = generic {
-		mktemp = true;
-
 		build = `sh /usr/src/mksh/Build.sh -r
 CPPFLAGS="${CPPFLAGS} -DMKSH_BINSHPOSIX -DMKSH_BINSHREDUCED" \
 sh /usr/src/mksh/Build.sh -r -L

internal/rosa/package/nss.az

@@ -78,7 +78,9 @@ package nss-cacert {
 
 	source = nss;
 
+	enterSource = true;
 	exec = generic {
+		inPlace = true;
 		build = `
 mkdir -p /work/system/etc/ssl/{certs/unbundled,certs/hashed,trust-source}
 buildcatrust \

internal/rosa/package/perl.az

@@ -59,10 +59,12 @@ package perl-Module-Build {
 		checksum = "ZKxEFG4hE1rqZt52zBL2LRZBMkYzhjb5-cTBXcsyA52EbPeeYyVxU176yAea8-Di";
 	};
 
+	enterSource = true;
 	writable = true;
 	chmod = true;
 
 	exec = generic {
+		inPlace = true;
 		build = `
 perl Build.PL --prefix=/system
 ./Build build`;

internal/rosa/package/unzip.az

@@ -15,10 +15,12 @@ package unzip {
 		compress = gzip;
 	};
 
+	enterSource = true;
 	writable = true;
 	chmod = true;
 
 	exec = generic {
+		inPlace = true;
 		build = `unix/configure
 make -f unix/Makefile generic1`;
 		install = `