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download/git: ensure we checkout to a clean state

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Force the checkout to ignore and throw away any local changes. This
allows recovering from a previous partial checkout (e.g. killed by
the user, or by a CI job...)

git checkout -f has been supported since the inception of git, so we
can use it without any second thought.

Also do a forced-forced clean, to really get rid of all untracked stuff.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Cc: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Arnout Vandecappelle <arnout@mind.be>
Reviewed-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Tested-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Yann E. MORIN 2018-05-01 10:44:13 +02:00 committed by Thomas Petazzoni
parent b7efb43e86
commit 3d2e018889
1 changed files with 5 additions and 1 deletions
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support/download/git
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@ -154,7 +154,11 @@ fi
# Checkout the required changeset, so that we can update the required
# submodules.
_git checkout -q "'${cset}'"
_git checkout -f -q "'${cset}'"
# Get rid of now-untracked directories (in case a git operation was
# interrupted in a previous run).
_git clean -ffdx
# Get date of commit to generate a reproducible archive.
# %cD is RFC2822, so it's fully qualified, with TZ and all.