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makefile: allow .git to be a file or directory to handle submodules

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Change test for -e (exists) instead of -d (directory) so that the .git
entry is detected correctly and git version stamp logic runs as in any
other git repo. The .git entry is a file when the repo is a submodules
and possibly other obscure cases like multiple worktrees.

fixes #988
This commit is contained in:
Anders 2021-01-02 22:55:53 -08:00
parent 2911b3a440
commit 21117a2cb1
1 changed files with 1 additions and 1 deletions
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makefile
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@ -273,7 +273,7 @@ ifeq (${WIN32},) #*nix Environments (&& cygwin)
OS_CCDEFS += -Wno-deprecated
endif
endif
ifeq (git-repo,$(shell if ${TEST} -d ./.git; then echo git-repo; fi))
ifeq (git-repo,$(shell if ${TEST} -e ./.git; then echo git-repo; fi))
GIT_PATH=$(strip $(shell which git))
ifeq (,$(GIT_PATH))
$(error building using a git repository, but git is not available)