build: fix release name strings for gitian builds

When building from a distdir as gitian does, checking for the .git dir is not reliable. Instead, ask git if we're in a repo. Rebase this into 0.9.3 branch after final to make sure that 0.9.4 will have correct version strings in rcs. Rebased-From: c65cc8c
bitcoin · 855fd498f9c43f761766e5759281497dd970f718 · theuni committed with laanwj Sep 19, 2014

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laanwj Wladimir J. van der Laan

GPG key ID: 74810B012346C9A6 Learn about signing commits · Sep 19, 2014 · 855fd49
1 parent 40d2041
commit 855fd498f9c43f761766e5759281497dd970f718
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Showing with 1 addition and 1 deletion.

+1 −1 share/genbuild.sh
diff --git a/share/genbuild.sh b/share/genbuild.sh
@@ -16,7 +16,7 @@ fi
 DESC=""
 SUFFIX=""
 LAST_COMMIT_DATE=""
-if [ -e "$(which git 2>/dev/null)" -a -d ".git" ]; then
+if [ -e "$(which git 2>/dev/null)" -a $(git rev-parse --is-inside-work-tree 2>/dev/null) = "true" ]; then
     # clean 'dirty' status of touched files that haven't been modified
     git diff >/dev/null 2>/dev/null