[PATCH 0/7] prefix discovery at runtime (on Windows)

Hi, This patch series fixes discovery of the installation prefix at runtime on Windows. It introduces a compile flag RUNTIME_PREFIX, which can be set to explicitly request prefix computation at runtime.

Apologies for proposing such large changes that late in the release cycle. Maybe we want to postpone the series until 1.6.0.1 or even 1.6.1. Note however that in this case we should consider not releasing 1.6.0 on Windows because the current solution in master does not reliably read the system wide configuration on Windows.

We probably won't see a Windows installer before mid of September anyway, unless someone temporarily takes over the position of the msysgit maintainer until I return from holidays. I'll be completely offline from August 25 until September 13.

        Steffen

 Makefile       |   21 +++++++++++------
 daemon.c       |    3 ++
 exec_cmd.c     |   67 ++++++++++++++++++++++++++++++++++++++++++++++++-------
 exec_cmd.h     |    2 +-
 fast-import.c  |    4 +++
 git.c          |   20 ++++------------
 hash-object.c  |    4 +++
 index-pack.c   |    4 +++
 receive-pack.c |    3 ++
 unpack-file.c  |    4 +++
 upload-pack.c  |    3 ++
 var.c          |    4 +++
 12 files changed, 107 insertions(+), 32 deletions(-)

 [PATCH 1/7] Windows: Add workaround for MSYS' path conversion
 [PATCH 2/7] system_path(): Add prefix computation at runtime if RUNTIME_PREFIX set
 [PATCH 3/7] Refactor git_set_argv0_path() to git_extract_argv0_path()
 [PATCH 4/7] Glean libexec path from argv[0] for git-upload-pack and git-receive-pack.
 [PATCH 5/7] Add calls to git_extract_argv0_path() in programs that call git_config_*
 [PATCH 6/7] Modify setup_path() to only add git_exec_path() to PATH
 [PATCH 7/7] Windows: Revert to default paths and convert them by RUNTIME_PREFIX