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Age	Commit message (Collapse)	Author
2020-05-14	pack: Add relocation via ld.so and fakechroot.	Ludovic Courtès
	* gnu/packages/aux-files/run-in-namespace.c (HAVE_EXEC_WITH_LOADER): New macro. (bind_mount): Rename to... (mirror_directory): ... this. Add 'firmlink' argument and use it instead of calling mkdir/open/close/mount directly. (bind_mount, make_symlink): New functions. (exec_in_user_namespace): Adjust accordingly. (exec_with_loader) [HAVE_EXEC_WITH_LOADER]: New function. (exec_performance): New function. (engines): Add them. * guix/scripts/pack.scm (wrapped-package)[fakechroot-library] [audit-module]: New procedures. [audit-source]: New variable. [build](elf-interpreter, elf-loader-compile-flags): New procedures. (build-wrapper): Use them. * tests/guix-pack-relocatable.sh: Test with 'GUIX_EXECUTION_ENGINE=fakechroot'. * doc/guix.texi (Invoking guix pack): Document the 'performance' and 'fakechroot' engines. * gnu/packages/aux-files/pack-audit.c: New file. * Makefile.am (AUX_FILES): Add it.
2020-05-14	pack: Factorize store references in wrapper.	Ludovic Courtès
	* gnu/packages/aux-files/run-in-namespace.c (original_store): New variable. (exec_in_user_namespace, exec_with_proot, main): Use it instead of the literal "@STORE_DIRECTORY@".
2020-05-14	pack: Wrapper honors 'GUIX_EXECUTION_ENGINE' environment variable.	Ludovic Courtès
	* gnu/packages/aux-files/run-in-namespace.c (struct engine): New type. (exec_default): New function. (engines): New variable. (execution_engine): New function. (main): Use it instead of calling 'exec_in_user_namespace' and 'exec_with_proot' directly. * tests/guix-pack-relocatable.sh: Add test with 'GUIX_EXECUTION_ENGINE'. * doc/guix.texi (Invoking guix pack): Document 'GUIX_EXECUTION_ENGINE'.
2020-05-07	pack: Factorize 'exec_in_user_namespace' wrapper.	Ludovic Courtès
	* gnu/packages/aux-files/run-in-namespace.c (exec_in_user_namespace): New function, with code taken from... (main): ... here. Call it.
2020-05-07	pack: Add 'xmalloc' in wrapper.	Ludovic Courtès
	* gnu/packages/aux-files/run-in-namespace.c (xmalloc): New function. (concat): Use it.
2020-05-07	pack: Fix off-by-one in PRoot handling in the wrapper.	Ludovic Courtès
	* gnu/packages/aux-files/run-in-namespace.c (exec_with_proot): Make 'proot_argv' one element larger to account for the terminating NULL.
2020-04-24	pack: 'guix pack -R' wrapper correctly reports exit code.	Ludovic Courtès
	Fixes <https://bugs.gnu.org/40816>. Reported by Jan (janneke) Nieuwenhuizen <janneke@gnu.org>. * gnu/packages/aux-files/run-in-namespace.c (main): In the 'default' case, check 'WIFEXITED (status)' and exit with the corresponding code in that case. Exit with 255 in other cases. * tests/guix-pack-relocatable.sh: Add test.
2019-03-15	pack: "-RR" produces PRoot-enabled relocatable binaries.	Ludovic Courtès
	* gnu/packages/aux-files/run-in-namespace.c (exec_with_proot): New function. (main): When 'clone' fails, call 'rm_rf'. [PROOT_PROGRAM]: When 'clone' fails, call 'exec_with_proot'. * guix/scripts/pack.scm (wrapped-package): Add #:proot?. [proot]: New procedure. [build]: Compile with -DPROOT_PROGRAM when PROOT? is true. * guix/scripts/pack.scm (%options): Set the 'relocatable?' value to 'proot when "-R" is passed several times. (guix-pack): Pass #:proot? to 'wrapped-package'. * tests/guix-pack-relocatable.sh: Use "-RR" on Intel systems that lack user namespace support. * doc/guix.texi (Invoking guix pack): Document -RR.
2018-05-11	pack: Relocatable wrapper now properly maps the current UID/GID.	Ludovic Courtès
	* gnu/packages/aux-files/run-in-namespace.c (write_id_map) (disallow_setgroups): New functions. (main): Use 'clone' via 'syscall' instead of 'fork' followed by 'unshare'. Add calls to 'disallow_setgroups' and 'write_id_map' in the parent process.
2018-05-10	pack: Add '--relocatable'.	Ludovic Courtès
	* gnu/packages/aux-files/run-in-namespace.c: New file. * Makefile.am (AUX_FILES): Add it. * guix/scripts/pack.scm (<c-compiler>): New record type. (c-compiler, bootstrap-c-compiler, c-compiler-compiler): New procedures. (self-contained-tarball): Use 'relative-file-name' for the SOURCE -> TARGET symlink. (docker-image): Add 'defmod' to please Geiser. (wrapped-package, map-manifest-entries): New procedures. (%options, show-help): Add --relocatable. (guix-pack): Honor it.