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git-version-gen: detect untagged revisions

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* build-aux/git-version-gen: If fallback string is empty,
but git is available, use "git describe --always" to extract
a revision, and prefix it with "g".  This is much better than
responding "UNKNOWN" and it applies to shallow clones!
This commit is contained in:
Mats Erik Andersson
2015-04-13 23:00:35 +02:00
committed by Pádraig Brady
parent f2c88dc128
commit bedd7833ac
2 changed files with 14 additions and 2 deletions
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8
ChangeLog
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@@ -1,3 +1,11 @@
2015-04-14 Mats Erik Andersson <gnu@gisladisker.se>
git-version-gen: detect untagged revisions
* build-aux/git-version-gen: If fallback string is empty,
but git is available, use "git describe --always" to extract
a revision, and prefix it with "g". This is much better than
responding "UNKNOWN" and it applies to shallow clones!
2015-04-14 HIRAMATSU Yoshifumi <hiramatu@boreas.dti.ne.jp>
fseeko: fix build failure on NetBSD >= 6 (trivial)

8
build-aux/git-version-gen
View File

@@ -189,12 +189,16 @@ then
v=`echo "$v" | sed 's/-/./;s/\(.*\)-g/\1-/'`;
v_from_git=1
elif test "x$fallback" = x || git --version >/dev/null 2>&1; then
v=UNKNOWN
if v=g`git describe --always HEAD 2>/dev/null`; then
v_from_git=1
else
v=UNKNOWN
fi
else
v=$fallback
fi
v=`echo "$v" |sed "s/^$prefix//"`
v=`echo "$v" | sed "s/^$prefix//"`
# Test whether to append the "-dirty" suffix only if the version
# string we're using came from git. I.e., skip the test if it's "UNKNOWN"