Message ID | 20200930081823.7221-1-patrickdepinguin@gmail.com |
---|---|
State | Accepted |
Headers | show |
Series | [PATCHv2,master+LTS] support/scripts/setlocalversion: fix/improve Mercurial output | expand |
>>>>> "Thomas" == Thomas De Schampheleire <patrickdepinguin@gmail.com> writes: > From: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> > Commit 9e4ffdc8cfdf4c73f4fa8c66259a5aadaee4ae88 modified the output of > 'setlocalversion' so that the Buildroot version tag is included in the > output, the version part was added in Makefile. > Due to differences in behavior of the used git and Mercurial commands, this > caused different output for the Mercurial case, in BR2_VERSION_FULL and thus > /etc/os-release and 'make print-version'. Assuming the official Buildroot > releases are tagged and no project-specific tags are present, the output > after commit 9e4ffdc8cfdf4c73f4fa8c66259a5aadaee4ae88 is: > -hg<commit> > whereas it is expected to be something like: > 2020.02.6-hg<commit> > Change the Mercurial case in setlocalversion to behave similar to git, > looking up the latest tag if the current revision is not itself tagged. > The number of commits after the latest tag is not added, unlike in git, as > this value is not commonly present in Mercurial output, and its added value > can be disputed in this context. Even one commit could bring a huge change > to the sources, so in order to interpret the number one has to look at the > repository anyhow, in which case the commit ID can just be used. > Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> > --- > v2: use intermediate var 'latesttag' rather than separate printf (Yann) Committed, thanks.
>>>>> "Thomas" == Thomas De Schampheleire <patrickdepinguin@gmail.com> writes: > From: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> > Commit 9e4ffdc8cfdf4c73f4fa8c66259a5aadaee4ae88 modified the output of > 'setlocalversion' so that the Buildroot version tag is included in the > output, the version part was added in Makefile. > Due to differences in behavior of the used git and Mercurial commands, this > caused different output for the Mercurial case, in BR2_VERSION_FULL and thus > /etc/os-release and 'make print-version'. Assuming the official Buildroot > releases are tagged and no project-specific tags are present, the output > after commit 9e4ffdc8cfdf4c73f4fa8c66259a5aadaee4ae88 is: > -hg<commit> > whereas it is expected to be something like: > 2020.02.6-hg<commit> > Change the Mercurial case in setlocalversion to behave similar to git, > looking up the latest tag if the current revision is not itself tagged. > The number of commits after the latest tag is not added, unlike in git, as > this value is not commonly present in Mercurial output, and its added value > can be disputed in this context. Even one commit could bring a huge change > to the sources, so in order to interpret the number one has to look at the > repository anyhow, in which case the commit ID can just be used. > Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com> > --- > v2: use intermediate var 'latesttag' rather than separate printf (Yann) Committed to 2020.02.x, 2020.05.x and 2020.08.x, thanks.
diff --git a/support/scripts/setlocalversion b/support/scripts/setlocalversion index e04c955d9e..d492f2db2f 100755 --- a/support/scripts/setlocalversion +++ b/support/scripts/setlocalversion @@ -48,14 +48,28 @@ if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then fi # Check for mercurial and a mercurial repo. +# In the git case, 'git describe' will show the latest tag, and unless we are +# exactly on that tag, the number of commits since then, and last commit id. +# Mimic something similar in the Mercurial case. if hgid=`HGRCPATH= hg id --id --tags 2>/dev/null`; then tag=`printf '%s' "$hgid" | cut -d' ' -f2 --only-delimited` # Do we have an untagged version? if [ -z "$tag" -o "$tag" = tip ]; then + # current revision is not tagged, determine latest tag + latesttag=`HGRCPATH= hg log -r. -T '{latesttag}' 2>/dev/null` + # In case there is more than one tag on the latest tagged commit, + # 'latesttag' will separate them by colon (:). We'll retain this. + # In case there is no tag at all, 'null' will be returned. + if [ "$latesttag" = "null" ]; then + latesttag='' + fi + + # add the commit id id=`printf '%s' "$hgid" | sed 's/[+ ].*//'` - printf '%s%s' -hg "$id" + printf '%s%s%s' "${latesttag}" -hg "$id" else + # current revision is tagged, just print the tag printf ${tag} fi