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138 lines (119 loc) · 4.81 KB
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# gitpkgv.bbclass provides a GITPKGV and GITPKGVTAG variables to be
# used in PKGV, as described bellow:
#
# - GITPKGV which is a sortable version with the format NN+GITHASH, to
# be used in PKGV, where
#
# NN equals the total number of revs up to SRCREV
# GITHASH is SRCREV's (full) hash
#
# - GITPKGVTAG which is the output of 'git describe --tags --exact-match'
# allowing for automatic versioning
#
# gitpkgv.bbclass assumes the git repository has been cloned, and
# contains SRCREV. So ${GITPKGV} and ${GITPKGVTAG} should never be
# used in PV, only in PKGV. It can handle SRCREV = ${AUTOREV}, as
# well as SRCREV = "<some fixed git hash>".
#
# WARNING: if upstream repository is always using consistent and
# sortable tag name scheme you can get sortable version including tag
# name with ${GITPKGVTAG}, but be aware that ie tag sequence "v1.0,
# v1.2, xtest, v2.0" will force you to increment PE to get upgradeable
# path to v2.0 revisions
#
# Another WARNING: Since Walnascar release BB_SHALLOW_GIT will actually
# perform a shallow initial checkout, which makes it impossible to determine
# the correct number of commits in the repository - thus using this class
# is not recommended when shallow cloning is enabled.
#
# use example:
#
# inherit gitpkgv
#
# PV = "1.0+git" # expands to 1.0+git
# PKGV = "1.0+git${GITPKGV}" # expands also to something like 1.0+git31337+4c1c21d7d
#
# or
#
# inherit gitpkgv
#
# PV = "1.0+git" # expands to 1.0+git
# PKGV = "${GITPKGVTAG}" # expands to something like 1.0-31337+g4c1c21d
# if there is tag v1.0 before this revision or
# ver1.0-31337+g4c1c21d if there is tag ver1.0
GITPKGV = "${@get_git_pkgv(d, False)}"
GITPKGVTAG = "${@get_git_pkgv(d, True)}"
# This regexp is used to drop unwanted parts of the found tags. Any matching
# groups will be concatenated to yield the final version.
GITPKGV_TAG_REGEXP ??= "v(\d.*)"
def gitpkgv_drop_tag_prefix(d, version):
import re
m = re.match(d.getVar('GITPKGV_TAG_REGEXP'), version)
if m:
return ''.join(group for group in m.groups() if group)
else:
return version
def get_git_pkgv(d, use_tags):
import os
import bb
from shlex import quote
src_uri = d.getVar('SRC_URI').split()
unpackdir = d.getVar('UNPACKDIR')
def_destsuffix = (d.getVar("BB_GIT_DEFAULT_DESTSUFFIX") or "git") + "/"
fetcher = bb.fetch2.Fetch(src_uri, d)
ud = fetcher.ud
#
# If SRCREV_FORMAT is set respect it for tags
#
format = d.getVar('SRCREV_FORMAT')
if not format:
names = []
for url in ud.values():
if url.type == 'git' or url.type == 'gitsm':
names.append(url.name)
if len(names) > 0:
format = '_'.join(names)
else:
format = 'default'
found = False
for url in ud.values():
if url.type == 'git' or url.type == 'gitsm':
destsuffix = url.parm.get("destsuffix", def_destsuffix)
subdir = url.parm.get('subdir', '')
destdir = os.path.join(unpackdir, destsuffix, subdir)
if not os.path.exists(destdir):
return None
if d.getVar('BB_GIT_SHALLOW') == '1':
bb.warnonce('%s: Shallow cloning enabled - gitpkgv.bbclass will not generate sortable versions' % d.getVar('PN'))
found = True
vars = { 'repodir' : quote(destdir),
'rev' : quote(url.revision) }
rev = bb.fetch2.get_srcrev(d).split('+')[1]
rev_file = os.path.join(destdir, "oe-gitpkgv_" + url.revision)
if not os.path.exists(rev_file) or os.path.getsize(rev_file)==0:
commits = bb.fetch2.runfetchcmd(
"git -C %(repodir)s rev-list %(rev)s -- 2>/dev/null | wc -l"
% vars, d, quiet=True).strip().lstrip('0')
if commits != "":
oe.path.remove(rev_file, recurse=False)
with open(rev_file, "w") as f:
f.write("%d\n" % int(commits))
else:
commits = "0"
else:
with open(rev_file, "r") as f:
commits = f.readline(128).strip()
if use_tags:
try:
output = bb.fetch2.runfetchcmd(
"git -C %(repodir)s describe %(rev)s --tags --exact-match 2>/dev/null"
% vars, d, quiet=True).strip()
ver = gitpkgv_drop_tag_prefix(d, output)
except Exception:
ver = "0.0-%s-g%s" % (commits, vars['rev'][:7])
else:
ver = "%s+%s" % (commits, vars['rev'][:7])
format = format.replace(url.name, ver)
if found:
return format
return '0+0'