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git://git.code.sf.net/p/sbcl/sbcl
synced 2026-09-10 07:26:40 -04:00
1eb4300bdd
Sometimes larger build systems contain copies of SBCL sources, if those systems are managed with git, we don't want to trample version.lisp-expr with _their_ version, but keep the version of SBCL. Attempt to detect this by checking whether `git rev-parse --show-top-level`/run-sbcl.sh exists, if not assume git is operating on a checkout of something other than SBCL
93 lines
2.9 KiB
Bash
Executable file
93 lines
2.9 KiB
Bash
Executable file
#!/bin/sh
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git_available_p() {
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# Check that (1) we have git (2) this is a git tree.
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if ( command -v git >/dev/null && git describe >/dev/null 2>/dev/null && \
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test -f `git rev-parse --show-toplevel`/run-sbcl.sh)
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then
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echo "ok"
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else
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echo ""
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fi
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}
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AVAILABLE=`git_available_p`
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if [ -f version.lisp-expr -a -z "$AVAILABLE" ]
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then
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# Relase tarball, leave version.lisp-expr alone.
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exit 0
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elif [ -z "$AVAILABLE" ]
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then
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echo "Can't 'git describe' SBCL source and version.lisp-expr is missing." >&2
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echo "To fix this, either install git or create a fake version.lisp-expr file." >&2
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echo "You can create a fake version.lisp-expr file like this:" >&2
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echo " \$ echo '\"1.0.99.999\"' > version.lisp-expr" >&2
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exit 1
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fi
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# Build it.
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version_head=`git rev-parse HEAD`
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if grep -q "ref: refs/heads/.*" .git/HEAD > /dev/null 2>&1
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then
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version_branchname=`cut -d / -f 3- < .git/HEAD`
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else
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# Detached head.
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version_branchname="HEAD"
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fi
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if [ -z "$SBCL_BUILDING_RELEASE_FROM" ]
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then
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if [ "`git rev-list HEAD --not origin/master`" = '' ]
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then
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# If origin/master contains all the commits on current
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# branch, use current head as the root instead.
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version_root="$version_branchname"
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else
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version_root="origin/master"
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fi
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else
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version_root="$SBCL_BUILDING_RELEASE_FROM"
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fi
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version_base=`git rev-parse "$version_root"`
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version_tag=`git describe --tags --match="sbcl*" --abbrev=0 $version_base`
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version_release=`echo $version_tag | sed -e 's/sbcl[_-]//' | sed -e 's/_/\./g'`
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# Using wc -l instead of --count argument to rev-list because
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# pre-1.7.2 Gits are still common out in the wilderness.
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version_n_root=`git rev-list $version_base --not $version_tag | wc -l | sed -e 's/[ \t]//g'`
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version_n_branch=`git rev-list HEAD --not $version_base | wc -l | sed -e 's/[ \t]//g'`
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if [ -z "$NO_GIT_HASH_IN_VERSION" ]
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then
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version_hash="-`git rev-parse --short $version_head`"
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else
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version_hash=""
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fi
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if git diff HEAD --no-ext-diff --quiet --exit-code
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then
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version_dirty=""
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else
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version_dirty="-dirty"
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fi
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# Now that we have all the pieces, put them together.
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cat >version.lisp-expr <<EOF
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;;; This file is auto-generated using generate-version.sh. Every time
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;;; you re-run make.sh, this file will be overwritten if you are
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;;; working from a Git checkout.
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EOF
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if [ "$version_base" = "$version_head" ]
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then
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if [ "0" = "$version_n_root" ]
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then
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printf "\"%s%s\"\n" \
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$version_release $version_dirty >>version.lisp-expr
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else
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printf "\"%s.%s%s%s\"\n" \
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$version_release $version_n_root \
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$version_hash $version_dirty >>version.lisp-expr
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fi
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else
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echo "base=$version_base"
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echo "head=$version_head"
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printf "\"%s.%s.%s.%s%s%s\"\n" \
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$version_release $version_n_root \
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$version_branchname $version_n_branch \
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$version_hash $version_dirty >>version.lisp-expr
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fi
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