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nix-prefetch-git: print out valid nix expression; make --quiet very quiet

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This commit is contained in:
Tim Cuthbertson 2015-12-13 11:27:49 +11:00
parent 456cbb29d9
commit 21547a61ba
1 changed files with 50 additions and 10 deletions
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60
pkgs/build-support/fetchgit/nix-prefetch-git
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@ -12,6 +12,11 @@ fetchSubmodules=
builder=
branchName=$NIX_PREFETCH_GIT_BRANCH_NAME
# populated by clone_user_rev()
fullRev=
humanReadableRev=
commitDate=
if test -n "$deepClone"; then
deepClone=true
else
@ -255,7 +260,7 @@ make_deterministic_repo(){
}
clone_user_rev() {
_clone_user_rev() {
local dir="$1"
local url="$2"
local rev="${3:-HEAD}"
@ -273,10 +278,9 @@ clone_user_rev() {
fi;;
esac
local full_revision=$(cd $dir && (git rev-parse $rev 2> /dev/null || git rev-parse refs/heads/$branchName) | tail -n1)
echo "git revision is $full_revision"
echo "git human-readable version is $(cd $dir && (git describe $full_revision 2> /dev/null || git describe --tags $full_revision 2> /dev/null || echo -- none --))" >&2
echo "Commit date is $(cd $dir && git show --no-patch --pretty=%ci $full_revision)"
fullRev="$(cd $dir && (git rev-parse $rev 2> /dev/null || git rev-parse refs/heads/$branchName) | tail -n1)"
humanReadableRev="$(cd $dir && (git describe $fullRev 2> /dev/null || git describe --tags $fullRev 2> /dev/null || echo -- none --))"
commitDate="$(cd $dir && git show --no-patch --pretty=%ci $fullRev)"
# Allow doing additional processing before .git removal
eval "$NIX_PREFETCH_GIT_CHECKOUT_HOOK"
@ -290,6 +294,44 @@ clone_user_rev() {
fi
}
clone_user_rev() {
if ! test -n "$QUIET"; then
_clone_user_rev "$@"
else
errfile="$(mktemp "${TMPDIR:-/tmp}/git-checkout-err-XXXXXXXX")"
trap "rm -rf \"$errfile\"" EXIT
_clone_user_rev "$@" 2> "$errfile" || (
status="$?"
cat "$errfile" >&2
exit "$status"
)
fi
}
print_results() {
hash="$1"
if ! test -n "$QUIET"; then
echo "" >&2
echo "git revision is $fullRev" >&2
if test -n "$finalPath"; then
echo "path is $finalPath" >&2
fi
echo "git human-readable version is $humanReadableRev" >&2
echo "Commit date is $commitDate" >&2
if test -n "$hash"; then
echo "hash is $hash" >&2
fi
fi
if test -n "$hash"; then
echo "{"
echo " url = \"$url\";"
echo " rev = \"$fullRev\";"
echo " $hashType = \"$hash\";"
echo "}"
fi
}
if test -z "$branchName"; then
branchName=fetchgit
fi
@ -328,20 +370,18 @@ else
# Compute the hash.
hash=$(nix-hash --type $hashType --base32 $tmpFile)
if ! test -n "$QUIET"; then echo "hash is $hash" >&2; fi
# Add the downloaded file to the Nix store.
finalPath=$(nix-store --add-fixed --recursive "$hashType" "$tmpFile")
if test -n "$expHash" -a "$expHash" != "$hash"; then
echo "hash mismatch for URL \`$url'"
print_metadata
echo "hash mismatch for URL \`$url'" >&2
exit 1
fi
fi
if ! test -n "$QUIET"; then echo "path is $finalPath" >&2; fi
echo $hash
print_results "$hash"
if test -n "$PRINT_PATH"; then
echo $finalPath