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Accepting request 122015 from openSUSE:Tools

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Allow git revision to refer to revs not available from default clone/fetch

Previously, the "revision" parameter must be something reachable after
doing a default "git clone".  Remove this limitation.

A primary use-case is to integrate OBS with the gerrit code review tool,
which stores changes under review in "refs/changes/...".  Without this
change, such refs can't be retrieved by the tar_scm service. (forwarded request 122007 from rohanpm)

OBS-URL: https://build.opensuse.org/request/show/122015
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/obs-service-tar_scm?expand=0&rev=7
This commit is contained in:
Stephan Kulow 2012-05-25 14:16:58 +00:00 committed by Git OBS Bridge
commit cc3a5be2ed
2 changed files with 24 additions and 0 deletions
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7
obs-service-tar_scm.changes
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@ -1,3 +1,10 @@
-------------------------------------------------------------------
Thu May 24 00:57:28 GMT 2012 - rohan.mcgovern@nokia.com
- Allow git revision to refer to revisions not available from a
default clone/fetch (i.e. refs other than refs/heads/* or
refs/tags/*)
------------------------------------------------------------------- -------------------------------------------------------------------
Mon Mar 19 13:39:28 GMT 2012 - aspiers@suse.com Mon Mar 19 13:39:28 GMT 2012 - aspiers@suse.com

17
tar_scm
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@ -323,6 +323,23 @@ update_cache () {
switch_to_revision () { switch_to_revision () {
case "$MYSCM" in case "$MYSCM" in
git) git)
# $MYREVISION may refer to any of the following:
#
# - explicit SHA1: a1b2c3d4....
# - the SHA1 must be reachable from a default clone/fetch (generally, must be
# reachable from some branch or tag on the remote).
# - set by: git checkout <SHA1>
#
# - short branch name: "master", "devel" etc.
# - set by: git checkout <branch> && git pull
#
# - explicit ref: refs/heads/master, refs/tags/v1.2.3, refs/changes/49/11249/1
# - set by: git fetch <url> +<revision>:<revision> && git checkout <revision>
#
if ! git rev-parse --verify "$MYREVISION"; then
echo "$MYREVISION not accessible by default clone/fetch, attempting explicit fetch"
safe_run git fetch "$MYURL" "+$MYREVISION:$MYREVISION"
fi
safe_run git checkout "$MYREVISION" safe_run git checkout "$MYREVISION"
if git branch | grep -q '^\* (no branch)$'; then if git branch | grep -q '^\* (no branch)$'; then
echo "$MYREVISION does not refer to a branch, not attempting git pull" echo "$MYREVISION does not refer to a branch, not attempting git pull"